23 Security Architecture jobs in London

Social network you want to login/join with:nNetwork Security Engineer (Protocol & Architecture), London

col-narrow-leftnClient:

GennLocation:

London, United KingdomnJob Category:

Othern-nEU work permit required:

Yesncol-narrow-rightnJob Reference:

1d3c6f27b2c4nJob Views:

5nPosted:

nExpiry Date:

ncol-widenJob Description:

Job DescriptionnWho Are We?nWe’re not just a company; we’re a global force—fiercely committed to ensuring that everyone, everywhere, can live digitally safe. Our family of brands—Norton, Avast, LifeLock, Avira, AVG, ReputationDefender, and CCleaner—unites the brightest minds, sharp tech, and diverse thinking to protect over 500 million people.nWe’ve built an inclusive workplace where your well-being is a priority, because true success comes from balance and authenticity. When you’re thriving, you’re unstoppable. Bring us your bold ideas and relentless passion.nThe digital world isn’t a distant future—it’s our present. If you’re ready to push boundaries and be part of something bigger, join #TeamGen .nMission and Goals:nWe’re looking for a VPN Tech Lead to drive the evolution of our VPN technology—the engine behind Norton Secure VPN and Avast SecureLine VPN. You’ll lead innovation, performance improvements, and protocol development across both client and infrastructure layers.nOur team operates at the core of internet privacy, owning protocols such as WireGuard and Mimic (our in-house solution). Your mission: push the boundaries of VPN performance, reliability, and obfuscation—and ensure our tech meets the needs of hundreds of millions of users in a complex, high-scale environment.nThis role can focus purely on technical leadership (architecture, coding, mentoring) or evolve to include organizational/team leadership—depending on your skills and ambitions.nObjectives (What You Will Do in This Role):nDesign, implement, and evolve VPN protocols and supporting systems—including WireGuard, Mimic, and related infrastructure.nOptimize performance, reliability, and scalability across client platforms (mobile/desktop) and backend VPN servers.nCollaborate with infrastructure, client, and product teams to align protocol improvements with real-world user needs.nLead deep technical investigations into bottlenecks, protocol anomalies, and production traffic issues.nMentor engineers, champion best practices, and set technical direction for the VPN stack.nDrive obfuscation techniques and anti-censorship strategies in network-challenging environments.nCompetencies (What You’ll Need to Be Successful in This Role):nStrong working knowledge of network protocols, TCP/IP, and VPN technologies (especially WireGuard, OpenVPN, or proprietary protocols).nExperience building and debugging high-performance, secure systems.nAbility to drive technical projects across both client and infrastructure layers.nEffective communication skills and a collaborative mindset.nNice to Have:nExperience with custom protocol design, obfuscation, or traffic-shaping techniques.nBackground in mobile or desktop VPN client development.nExperience with containerized deployments (Docker, Kubernetes).nFamiliarity with infrastructure automation or configuration management (e.g., Terraform, Puppet).nContributions to open-source security or networking projects.nWhat We Can Offer:nUnlimited PTO and flexible working hours.nThe chance to join a major global tech company in the S&P 500.nOpportunities to learn from and work with leaders in Digital Security.nCafeteria points via Benefit Plus (meal plan, pension insurance, travel, leisure activities, Multisport card, and more).nTuition reimbursement for job-related courses.nA personal Learning & Development plan.nJob DescriptionnWho Are We?nWe’re not just a company; we’re a global force—fiercely committed to ensuring that everyone, everywhere, can live digitally safe. Our family of brands—Norton, Avast, LifeLock, Avira, AVG, ReputationDefender, and CCleaner—unites the brightest minds, sharp tech, and diverse thinking to protect over 500 million people.nWe’ve built an inclusive workplace where your well-being is a priority, because true success comes from balance and authenticity. When you’re thriving, you’re unstoppable. Bring us your bold ideas and relentless passion.nThe digital world isn’t a distant future—it’s our present. If you’re ready to push boundaries and be part of something bigger, join #TeamGen .nMission and Goals:nWe’re looking for a VPN Tech Lead to drive the evolution of our VPN technology—the engine behind Norton Secure VPN and Avast SecureLine VPN. You’ll lead innovation, performance improvements, and protocol development across both client and infrastructure layers.nOur team operates at the core of internet privacy, owning protocols such as WireGuard and Mimic (our in-house solution). Your mission: push the boundaries of VPN performance, reliability, and obfuscation—and ensure our tech meets the needs of hundreds of millions of users in a complex, high-scale environment.nThis role can focus purely on technical leadership (architecture, coding, mentoring) or evolve to include organizational/team leadership—depending on your skills and ambitions.nObjectives (What You Will Do in This Role):nDesign, implement, and evolve VPN protocols and supporting systems—including WireGuard, Mimic, and related infrastructure.

Optimize performance, reliability, and scalability across client platforms (mobile/desktop) and backend VPN servers.

Collaborate with infrastructure, client, and product teams to align protocol improvements with real-world user needs.

Lead deep technical investigations into bottlenecks, protocol anomalies, and production traffic issues.

Mentor engineers, champion best practices, and set technical direction for the VPN stack.

Drive obfuscation techniques and anti-censorship strategies in network-challenging environments.

Competencies (What You’ll Need to Be Successful in This Role):nStrong working knowledge of network protocols, TCP/IP, and VPN technologies (especially WireGuard, OpenVPN, or proprietary protocols).

Experience building and debugging high-performance, secure systems.

Ability to drive technical projects across both client and infrastructure layers.

Effective communication skills and a collaborative mindset.

Nice to Have:nExperience with custom protocol design, obfuscation, or traffic-shaping techniques.

Background in mobile or desktop VPN client development.

Experience with containerized deployments (Docker, Kubernetes).

Familiarity with infrastructure automation or configuration management (e.g., Terraform, Puppet).

Contributions to open-source security or networking projects.

What We Can Offer:nAnnual bonus program.

Unlimited PTO and flexible working hours.

The chance to join a major global tech company in the S&P 500.

Opportunities to learn from and work with leaders in Digital Security.

Cafeteria points via Benefit Plus (meal plan, pension insurance, travel, leisure activities, Multisport card, and more).

Tuition reimbursement for job-related courses.

A personal Learning & Development plan.

A sustainable home-improvement bonus.

Gen is proud to be an equal-opportunity employer, committed to diversity and inclusivity. We base employment decisions on merit, experience, and business needs, without considering race, color, national origin, age, religion, sex, pregnancy, genetic information, disability, medical condition, marital status, sexual orientation, gender identity or expression, military or veteran status, or other unlawful factors. Gen prohibits discrimination based on these protected characteristics and recruits talented candidates from diverse backgrounds.We consider individuals with arrest and conviction records and do not discriminate against employees for discussing their own pay or that of other employees or applicants. Learn more about pay transparency.To conform to U.S. export control regulations, applicant should be eligible for any required authorizations from the U.S. Government.

#J-18808-Ljbffrn

We are now hiring for Consultants and Senior Consultants to join our Security Design Engineering team in London. Within our Crisis and Security Consulting practice, our Security Design Engineers design physical protective security measures that enable clients to manage and mitigate threats to people, reputation, and assets. Working within our team, this role is a key contribution to the work we do for our clients. You will lead and manage engagements to a professional standard within our contracted scope and budget, independently and in support of department colleagues, other Senior Consultants, and Associate Directors. You will also support the Directors to develop the service line, create and develop intellectual property, achieve strategic objectives, and train and mentor junior team members. You will assist with the business development activities and the growth strategy for the UK and Europe. You will build new and existing client relationships, supported by your colleagues, management, and the senior leadership team.

Consulting

• Identifying and pursuing business opportunities
• Responding to client requests for proposals (RFPs); determining, scoping, writing, and pricing fee proposals
• Leading, managing, and designing for our engagements, including technical security reviews, audits, design surveys, installation inspections and approvals, working at client sites and in the office
• Designing physical and electronic security systems to an appropriate level, working in conjunction with specialist engineers from other organisations within project design teams
• Producing reports, specifications, and drawings through all RIBA Plan of Work stages
• Owning problems and providing problem solving solutions
• Lead and participate in client and project meetings to add value to client projects and be the client’s trusted advisor
• Ensure that practices, policies, strategy and services represent the client best interest
• Maintaining accurate financial forecasting, project planning, resource planning, and financial reporting
• Maintaining time and expense records to ensure accurate invoicing within each month
• Managing, mentoring, and developing colleagues

Requirements

You will be an experienced physical security design consultant who has thorough experience leading and managing engagements to a professional standard

You will have:

• Membership in a security-related institute
• A security-related qualification
• Thorough knowledge of current national and international standards and installation practices
• Thorough knowledge and experience of designing physical security systems including fencing, gates, walls, doors and facades
• Depth and breadth of understanding and experience in delivering physical and electronic security design consulting across all RIBA Plan of Work stages within multiple sectors within the built environment across the UK and Europe
• Substantial Project Management experience relating to security consulting and installations within the built environment
• Strong interpersonal/relationship building/client management skills
• Proven experience in effectively assisting, reviewing, and providing feedback to team members and improving output
• Experience in building effective and strong client relationships
• Commitment to continuous professional development
• Regional experience on-the-ground in Western Europe
• Certified relevant security industry qualifications
• Knowledge of, and experience using design-related software, e.g. AutoCAD, Revit, SketchUp, MS Project and other relevant software experience
• Excellent communication skills both written and verbal

Preferred

• Security or engineering qualifications
• ASIS PSP (or similar security design related qualification)

Benefits

• Control Risks offers a competitively positioned compensation and benefits package that is transparent and summarised in the full job offer.
• We operate a discretionary global bonus scheme that incentivises, and rewards individuals based on company and individual performance.
• Control Risks supports hybrid working arrangements, wherever possible, that emphasise the value of in-person time together - in the office and with our clients - while continuing to support flexible and remote working.
• As an equal opportunities employer, we encourage suitably qualified applicants from a wide range of backgrounds to apply and join us and are fully committed to equal treatment, free from discrimination, of all candidates throughout our recruitment process.

**What if you could do the kind of work the world needs?**
At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates new ideas and diverse perspectives. You can experience a world of opportunity and the chance to shape a career as unique as you.
**A little more about your role.**
+ Produce high quality, technology driven designs on some of the most exciting projects in the UK and worldwide.
+ Produce strategy documentation that serve to protect buildings and occupants within the built environment globally.
+ Become part of the wider WSP business by sharing knowledge and technical skills with colleagues from around the globe.
+ Work with clients, developers, contractors and architects to build relationships and work towards being the security consultancy of choice in the industry.
+ Work in an environment that allows you to use your own initiative with support from specific specialist experience to deliver high quality strategic and engineering solutions.
+ Supervise the completion of detailed designs and supervise the work of others in this function, whilst maximising joint learning opportunities for the wider business.
+ Assist with developing the client relationship to promote new commissions.
**Your team**
+ We put the highest ethical standards at the centre of all we do, and professionalism is inherent in our offering.
+ We are humble and act with moral and intellectual integrity, treat everyone with respect and embrace diversity.
+ We share ideas and knowledge, challenging each other and sharing problems and solutions.
**What we will be looking for you to demonstrate.**
+ A can-do attitude, the desire to solve complex problems and develop innovative solutions.
+ Experience in security consulting or electronic security design, from concept to technical design stages.
+ Good attention to detail and show pride in the work produced.
+ An understanding of the RIBA Security overlay and the general RIBA Plan of Works would be preferable.
+ A working understanding of SBD/CPTED.
+ An understanding of working with Revit or other 3D design software will be required for technical roles.
+ Relevant qualifications or experience relevant to the field of security consulting and electronic security system design, other qualifications i.e. electrical engineering would be considered.
+ Successful applicants will be required to be security cleared prior to appointment.
**Imagine a better future for you and a better future for us all.**
Join our close-knit community of talented individuals who share your passion for making a positive impact. Our global team includes more than 69,000 employees, working together to make a difference in communities both close to home and around the world.
**With us, you can. Apply today.**
#LI-JP
We are one of the world's leading engineering and professional services firms. Our 72,800 passionate people are united by the common purpose of creating positive, long-lasting impacts on the communities we serve through a culture of innovation, integrity, and inclusion. With over 9,000 professionals across the UK and Ireland, we are dedicated to our local communities and propelled by international brainpower.
**WHAT'S IN IT FOR YOU?**
**Work-life balance**
At WSP, we understand that work is just one aspect of your life. It's important to make time for you, your family, friends, interests and your community.
Our hybrid working policy offers the flexibility to work from home two days a week, while also providing opportunities to collaborate in our modern offices across the UK.
**Inclusivity & Belonging**
We welcome applicants with varied backgrounds and experiences. We enable rewarding careers by encouraging people to bring their whole and authentic selves to work so that our work represents the fullest spectrum of society. We celebrate integrity and treat people with respect, supporting each other and embracing a culture of inclusion and belonging at WSP. We have our employee resource groups bring together employees and allies with different backgrounds to promote our culture of inclusivity.
**Health & Wellbeing**
We are committed to supporting our people, giving you the tools to make improvements to your health and wellbeing through our Thrive programme.
Our Virtual GP service gives you access to an NHS or Irish Medical Council GP at a time and place that suits you - giving you peace of mind and quick access to medical advice when you need it most. We also provide reasonable workplace adjustments for those in need. Additionally, you can benefit from the Gymflex scheme, which offers up to 40% off annual gym memberships through our WSP flexible benefits program, as well as a comprehensive menopause support package.
**Flex your time**
To enhance work-life balance, WSP offers the "WSP My Hour," allowing you to take one hour each day for personal activities, with the flexibility to make up the time earlier or later that day.
We also provide part-time and flexible working arrangements, the option to purchase additional leave, and the ability to use your bank holiday entitlement to suit you.
**Your development**
We understand the importance of development and training to you. That's why we foster a supportive environment that invests in your growth, whether through training, mentoring, or Chartership.
**#WeAreWSP**
_Here at WSP we positively encourage applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, pregnancy or maternity/paternity. As a Disability Confident leader, we will interview all disabled applicants who meet the essential criteria, please let us know if you require any workplace adjustments in support of your application._

We are now looking for a Consultant to join our Electronic and Physical Security Design Engineering team in London. As the Consultant you will lead and manage security design consulting engagements to a professional standard; independently and / or in support of other senior colleagues, and the Director. You will be a subject Matter Expert of electronic security systems and manage security design and installation projects from conception to completion. You will maintain client and company deliverables, ensuring that a high quality is maintained, and the client and company budgets and programs are met and maintained. You will also develop and build new and existing client relationships, facilitating where appropriate the introduction and provision of additional Control Risks services. Please note that this role will be based at our London office where we operate a hybrid working model; some international travel will also be required.

Tasks and Responsibilities

Consulting

• Undertake technical security reviews, audits, design surveys, installation inspections and approvals, and other similar tasks, working at client sites and in the office
• Design of physical and electronic security systems to an appropriate level, working in conjunction with specialist engineers within project design teams

Task management

• Act as the lead consultant on assignments, owning problems and providing problem solving at the local level
• Lead and participate in client and project meetings
• Ensure that practices, policies, strategy and services represent the client best interest
• Maintain and develop long-term client relationships; act in conjunction with key account managers
• Maintain time and expense records to ensure accurate invoicing within each month

Task delivery

• Delivery of tasks for clients on time, on budget, to high standards
• Work collaboratively with the entire team and draw on their experiences and opinions
• From time-to-time the role may involve travel to client sites and Control Risks offices within the Middle East, Europe and Africa

Business development

• Pro-actively seek opportunities to develop projects and business
• Seek opportunities to be involved in business development, in conjunction with the Associate Director and Director
• Contribute to marketing and profile-raising events
• Participate in client meetings
• Develop long-term client relationships

Team / practice development

• Provide expert knowledge of security consulting and other Control Risks service lines

Requirements

• Proven Experience: A background in security integration, design, consulting, or engineering, with specific experience in designing electronic and physical security systems.
• Technical Expertise: In-depth knowledge of CCTV, access control systems, and other security technologies, with the ability to specify, design, and evaluate these systems.
• Client-Focused: Strong interpersonal skills and the ability to build trust and long-term relationships with clients. You’re an excellent communicator, able to explain complex concepts in a way that is easy to understand.
• Professional Qualifications: Certifications such as CPP (Certified Protection Professional), PSP (Physical Security Professional), or equivalent are highly desirable.
• Attention to Detail: A meticulous approach to design and project management, ensuring high-quality delivery every time.

Essential

• Hands on experience of installing and delivering enterprise class electronic security solutions
• Proven ability to manage and deliver technical consulting engagements
• Knowledge of current national and international standards and installation practices
• Project Management experience relating to security consulting and installations within the built environment
• Can use AutoCAD and Bluebeam design software

Preferred

• Thorough knowledge and experience of designing physical security systems including fencing, gates, walls, doors and facades
• Regional experience throughout the UK and Europe
• Knowledge of, and experience using design-related software, e.g. Revit, SketchUp, MS Project and other relevant software experience

Preferred

• Security or engineering qualifications
• ASIS PSP (or similar security design related qualification)

Benefits

• Control Risks offers a competitively positioned compensation and benefits package that is transparent and summarised in the full job offer.
• We operate a discretionary global bonus scheme that incentivises, and rewards individuals based on company and individual performance.
• Control Risks supports hybrid working arrangements, wherever possible, that emphasise the value of in-person time together - in the office and with our clients - while continuing to support flexible and remote working.
• As an equal opportunities employer, we encourage suitably qualified applicants from a wide range of backgrounds to apply and join us and are fully committed to equal treatment, free from discrimination, of all candidates throughout our recruitment process.

Description

The Network Security Consultant will provide delivery leadership within the Professional Services consultancy team primarily aligned to clients in the USA region. This client-facing role includes the following responsibilities.

Personal/General

Maintain day to day records of project work to allow accurate billing and reporting of consultancy time;

• Maintain effective network of business contacts within Verizon and their partner community;
li>Maintain and grow their own knowledge to ensure this maintains fully relevant to the network security services practice and its clients;
• Have strong presentation and written/verbal communications skills at multiple levels of an organization;
• Have a minimum of 5+ years of network security consulting, design and delivery experience.
  As a Network Security Consultant you will bring –

Technical expertise with very strong skills in most of the technologies below:

< i>Firewalls: Checkpoint, Juniper, Palo Alto, Cisco ASA/FTD, Fortinet;
• Proxy Services: Bluecoat (forward/reverse proxy), Zscaler;
• Load Balancers: F5 (LTM/GTM);
• IDP/IPS: FirePower/Sourcefire IPS/IDS, McAfee
• Identity & Access Management: Cisco ISE, Aruba Clearpass policy manager;
• Routing & Switching : (CCNP/CCNA level), and good knowledge of SD-WAN deployments;
• Good understanding of key technologies such as: VRF, dynamic routing (EIGRP/BGP/OSPF), MPLS, DMVPN, GRE, IPSec VPN
• Remote Access VPN: GlobalProtect, Pulse Secure, Cisco AnyConnect;
• Knowledge of Cloud deployments (Azure/AWS/GCP);
• Experience with building, maintaining, reviewing all configurations/settings/policies on chosen technologies;
• Experience of multi-vendor, managed outsourcing environments;
• Experience working with operational environments following ITIL frameworks;
• Excellent documentation and presentation skills;
• Excellent troubleshooting skills (technical and non-technical);
• Ability to review processes and procedures – and improve them;
< i>Experience participating in network & system security projects to provide:
• Business requirements analysis and support for Solutions Architects;
• Production of detailed infrastructure designs including physical and virtual aspects of security components;
• Migration of complex legacy infrastructures to new managed security services platforms;
• Understanding and demonstrable experience working in an Agile environment and actively participating in a Scrum team;
• Experience using Jira to help define user stories, tasks and associated estimates.

It is likely that you will have gained some of the following professional qualifications:

• CCNA/CCNP (Enterprise/Security/Data Center);
  CISSP or equivalent;
• Palo Alto (PCNSA/PCNSE);
• Checkpoint (CCSA/CCSE);
• Fortinet (NSE)

Description

The Network Security Consultant will provide delivery leadership within the Professional Services consultancy team primarily aligned to clients in the USA region. This client-facing role includes the following responsibilities.

Personal/General

Maintain day to day records of project work to allow accurate billing and reporting of consultancy time;

• Maintain effective network of business contacts within Verizon and their partner community;
li>Maintain and grow their own knowledge to ensure this maintains fully relevant to the network security services practice and its clients;
• Have strong presentation and written/verbal communications skills at multiple levels of an organization;
• Have a minimum of 5+ years of network security consulting, design and delivery experience.
  As a Network Security Consultant you will bring –

Technical expertise with very strong skills in most of the technologies below:

< i>Firewalls: Checkpoint, Juniper, Palo Alto, Cisco ASA/FTD, Fortinet;
• Proxy Services: Bluecoat (forward/reverse proxy), Zscaler;
• Load Balancers: F5 (LTM/GTM);
• IDP/IPS: FirePower/Sourcefire IPS/IDS, McAfee
• Identity & Access Management: Cisco ISE, Aruba Clearpass policy manager;
• Routing & Switching : (CCNP/CCNA level), and good knowledge of SD-WAN deployments;
• Good understanding of key technologies such as: VRF, dynamic routing (EIGRP/BGP/OSPF), MPLS, DMVPN, GRE, IPSec VPN
• Remote Access VPN: GlobalProtect, Pulse Secure, Cisco AnyConnect;
• Knowledge of Cloud deployments (Azure/AWS/GCP);
• Experience with building, maintaining, reviewing all configurations/settings/policies on chosen technologies;
• Experience of multi-vendor, managed outsourcing environments;
• Experience working with operational environments following ITIL frameworks;
• Excellent documentation and presentation skills;
• Excellent troubleshooting skills (technical and non-technical);
• Ability to review processes and procedures – and improve them;
< i>Experience participating in network & system security projects to provide:
• Business requirements analysis and support for Solutions Architects;
• Production of detailed infrastructure designs including physical and virtual aspects of security components;
• Migration of complex legacy infrastructures to new managed security services platforms;
• Understanding and demonstrable experience working in an Agile environment and actively participating in a Scrum team;
• Experience using Jira to help define user stories, tasks and associated estimates.

It is likely that you will have gained some of the following professional qualifications:

• CCNA/CCNP (Enterprise/Security/Data Center);
  CISSP or equivalent;
• Palo Alto (PCNSA/PCNSE);
• Checkpoint (CCSA/CCSE);
• Fortinet (NSE)

Overview

Summary:

Meta's Network Security team is seeking an experienced engineer to help secure our global Data Centers, network Backbone, Optical Infrastructure, and Edge PoPs. We do this by working extensively across the Meta family of products, including Instagram, WhatsApp, and AI where we identify and solve security problems across network infrastructure. You will be responsible for building, implementing, and operationally supporting the organization to develop security controls and services that will protect network infrastructure which helps serve traffic for over 3 billion users worldwide. We are looking for engineers with experience in managing complex issues that require problem-solving to drive security and innovation, who will research and develop new solutions to help protect our infrastructure and our users through a defense in-depth approach. The team thrives in finding security issues and eradicating them and makes life hard for bad actors. With focuses that range from large scale Distributed Denial of Service (DDoS), routing security, security tool development, defense against internal and external attacks there’s lots of room to push your skill set in deploying network security controls at scale.nResponsibilities

Identifying risks across network infrastructure that would lead to the exposure of sensitive data, unauthorized access, or loss of availability and prioritizing remediation efforts to address gaps

Influence security direction of the network, including management software and infrastructure to protect the network integrity of Meta platforms

Conceptualize and lead efforts towards building sustainable and scalable network layer security controls and tooling

Mentor and champion security practices through cross functional work with engineering teams throughout Meta

Keep Meta's safe through active operation and defense of critical network infrastructure

Minimum Qualifications

Engineering degree, or a related technical discipline, or equivalent work experience

Experience coding in higher-level languages (e.g. Python, Rust, Go, C++)

Experience in configuration and maintenance of network platforms such as firewalls, routers, switches, load balancers, and proxies

Experience learning software, frameworks and APIs

Preferred Qualifications

Understanding of implementation and scaling of access controls across both host and network layers.

Understanding of threat models to better protect against attacks or detect new vectors.

Experience leading network efforts to investigate, prevent, and mitigate security incidents.

Experience evaluating and testing new vendor platforms and in house network initiatives for security issues.

Experience leveraging layered security models to defend critical network infrastructure.

Industry:

Internet

#J-18808-Ljbffrn

Our client is seeking a highly experienced Senior Network Security Engineer to join their established IT infrastructure team. This is a permanent, office-based position located in the heart of London, England, UK . The successful candidate will be responsible for designing, implementing, and maintaining robust network security solutions to protect the company's assets and data. You will play a critical role in safeguarding our network against evolving cyber threats, ensuring the integrity, confidentiality, and availability of our systems. This role requires a deep understanding of network protocols, security best practices, and a proactive approach to threat detection and prevention.

Key Responsibilities:

• Design, implement, and manage firewall infrastructure, Intrusion Detection/Prevention Systems (IDS/IPS), VPNs, and other security appliances.
• Monitor network traffic for security breaches and suspicious activities, responding promptly to incidents.
• Conduct regular security assessments, vulnerability scans, and penetration testing to identify and mitigate risks.
• Develop and enforce network security policies, standards, and procedures.
• Manage security incident response activities, including investigation, containment, and recovery.
• Ensure compliance with relevant security regulations and industry best practices.
• Collaborate with IT teams to integrate security measures into network design and deployment.
• Provide technical expertise and guidance on network security matters.
• Stay up-to-date with the latest security threats, trends, and technologies.
• Document network security configurations, policies, and procedures.

Qualifications and Skills:

• Bachelor's degree in Computer Science, Information Security, or a related field, or equivalent practical experience.
• Minimum of 5 years of experience in network security engineering.
• Proven expertise with various security technologies such as firewalls (Palo Alto, Cisco ASA, Fortinet), IDS/IPS, SIEM solutions (Splunk, QRadar), and VPNs.
• Strong understanding of TCP/IP, routing protocols, and network architecture.
• Experience with cloud security principles (AWS, Azure, GCP) is a plus.
• Relevant security certifications such as CISSP, CCNA Security, or CCNP Security are highly desirable.
• Excellent analytical, problem-solving, and troubleshooting skills.
• Strong communication and interpersonal skills, with the ability to explain complex technical issues to non-technical audiences.

This role requires the candidate to be based in London, England, UK , and will involve regular on-site presence. If you are a security-minded professional with a passion for protecting critical infrastructure, we invite you to apply.

Our client, a major telecommunications provider, is seeking a highly skilled and experienced Senior Network Security Engineer to join their critical infrastructure team in London, England, UK . This role is essential for safeguarding the integrity, confidentiality, and availability of their extensive network infrastructure. You will be responsible for designing, implementing, and managing robust security solutions, monitoring for threats, and responding to security incidents. This is a hands-on, on-site position that requires a deep understanding of network protocols, security technologies, and threat landscapes.

Key Responsibilities:

• Design, implement, and maintain network security infrastructure, including firewalls, intrusion detection/prevention systems (IDS/IPS), VPNs, and endpoint security solutions.
• Develop and enforce security policies, standards, and procedures across the network.
• Conduct regular security assessments, vulnerability scans, and penetration testing to identify and mitigate risks.
• Monitor network traffic for security breaches and anomalous activity, responding promptly and effectively to incidents.
• Develop and maintain incident response plans and conduct post-incident analysis.
• Collaborate with IT operations and other teams to ensure security is integrated into all network design and deployment activities.
• Evaluate and recommend new security technologies and solutions to enhance the overall security posture.
• Provide technical leadership and mentorship to junior security engineers.
• Stay current with emerging threats, vulnerabilities, and security best practices in the telecommunications industry.
• Develop and deliver security awareness training to relevant personnel.
• Ensure compliance with industry regulations and data protection laws.

Qualifications and Skills:

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field.
• Extensive experience in network security engineering, with a focus on telecommunications networks.
• In-depth knowledge of network protocols (TCP/IP, BGP, OSPF), firewall technologies, VPNs, and IDS/IPS.
• Experience with security information and event management (SIEM) systems.
• Proficiency in scripting languages (e.g., Python, Bash) for automation is highly desirable.
• Relevant certifications such as CISSP, CCIE Security, or GIAC are a strong advantage.
• Strong analytical and problem-solving skills, with the ability to diagnose and resolve complex security issues.
• Excellent communication and interpersonal skills, with the ability to explain technical concepts to non-technical stakeholders.
• Ability to work effectively under pressure and manage critical security incidents.
• Experience in a Security Operations Center (SOC) environment is a plus.

Be at the forefront of protecting critical infrastructure in London, England, UK .