What Jobs are available for Network Security in London?

Our client is seeking a highly skilled and dedicated Network Security Engineer to join their cutting-edge Telecoms division. This is a critical, on-site role based in the heart of London, where you will be responsible for safeguarding our client's extensive network infrastructure against evolving cyber threats. The successful candidate will possess a deep understanding of network protocols, security best practices, and a proactive approach to identifying and mitigating vulnerabilities. You will be instrumental in designing, implementing, and maintaining robust security solutions that ensure the integrity, confidentiality, and availability of our client's telecommunications network.

Responsibilities:

• Design, implement, and manage network security infrastructure, including firewalls, VPNs, intrusion detection/prevention systems (IDPS), and web application firewalls (WAFs).
• Monitor network traffic for security breaches and suspicious activities, and respond to security incidents in a timely and effective manner.
• Conduct regular security assessments, vulnerability scanning, and penetration testing to identify potential weaknesses.
• Develop and enforce network security policies, procedures, and standards.
• Configure and maintain security devices and software to ensure optimal performance and protection.
• Collaborate with IT operations and engineering teams to integrate security measures into network design and deployment.
• Provide technical expertise and guidance on network security best practices to internal teams.
• Stay up-to-date with the latest security threats, vulnerabilities, and mitigation techniques relevant to the telecommunications industry.
• Participate in incident response activities, including forensic analysis and post-incident reviews.
• Develop and deliver security awareness training to staff as needed.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field.
• Minimum of 5 years of experience in network security engineering, with a focus on telecommunications networks.
• Strong knowledge of TCP/IP, routing protocols (e.g., BGP, OSPF), and network segmentation.
• Hands-on experience with major firewall vendors (e.g., Palo Alto Networks, Cisco, Fortinet) and security technologies.
• Proficiency in using security monitoring and analysis tools (e.g., SIEM, packet capture tools).
• Understanding of common security threats and attack vectors, and experience with mitigation strategies.
• Relevant security certifications such as CISSP, CCNA Security, CCNP Security, or equivalent are highly desirable.
• Excellent problem-solving and analytical skills.
• Strong communication and interpersonal skills, with the ability to work effectively in a team environment.
• Must be able to work effectively on-site in London, England, UK .

This is a critical role for a security expert within the fast-paced telecoms sector, requiring a dedicated individual to protect vital infrastructure.

Our client, a leading player in the London, England, UK telecommunications sector, is seeking a highly skilled and experienced Senior Network Security Engineer to join their advanced security operations team. This role is fully remote, offering a unique opportunity to protect critical infrastructure and data from sophisticated cyber threats, working within a globally distributed team of security experts.

Responsibilities:

• Design, implement, and manage robust network security solutions, including firewalls, Intrusion Detection/Prevention Systems (IDPS), VPNs, and web application firewalls (WAFs).
• Develop and maintain security policies, procedures, and best practices across the network infrastructure.
• Monitor network traffic for security breaches, anomalies, and potential threats, responding to security incidents in a timely and effective manner.
• Conduct regular vulnerability assessments and penetration testing to identify and remediate security weaknesses.
• Configure and manage security devices from various vendors (e.g., Cisco, Palo Alto, Fortinet).
• Collaborate with network operations and systems administration teams to ensure the security of all network components.
• Develop and maintain network security architecture documentation.
• Lead security incident response efforts, including investigation, containment, eradication, and recovery.
• Stay current with the latest cybersecurity threats, vulnerabilities, and mitigation strategies.
• Provide technical expertise and guidance on network security best practices to internal teams.
• Evaluate and recommend new security technologies and solutions.
• Ensure compliance with relevant industry regulations and standards.
• Mentor junior security engineers and contribute to their professional development.

Qualifications:

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field.
• Minimum of 7 years of experience in network security engineering.
• In-depth knowledge of TCP/IP networking, routing protocols, and network security principles.
• Hands-on experience with various firewall technologies, IDS/IPS, VPNs, and WAFs.
• Proficiency in network security monitoring tools and SIEM platforms (e.g., Splunk, QRadar).
• Strong understanding of common cyber attack vectors and mitigation techniques.
• Relevant security certifications such as CISSP, CCNP Security, GIAC, or similar.
• Excellent analytical, problem-solving, and troubleshooting skills.
• Strong communication and interpersonal skills, with the ability to articulate technical concepts clearly.
• Ability to work independently and manage responsibilities in a remote environment.
• Experience with cloud security (AWS, Azure) is a plus.
• Scripting skills (e.g., Python, Bash) for automation are desirable.

This is a critical role where your expertise will directly contribute to safeguarding our client's network and data integrity. If you are a security-minded professional ready to tackle complex challenges in a remote setting, we encourage you to apply.

Our client, a leading financial services institution, is seeking a highly skilled Senior Network Security Engineer to join their robust security team in **London, England, UK**. This hybrid role requires an expert in network infrastructure security, responsible for designing, implementing, and managing security solutions to protect the organization's critical assets. You will play a vital role in safeguarding our network against evolving cyber threats.

Responsibilities:

• Design, implement, and maintain robust network security architectures, including firewalls, VPNs, IDS/IPS, and network access control systems.
• Conduct regular security assessments, vulnerability scans, and penetration tests to identify and mitigate risks.
• Develop and enforce network security policies, standards, and procedures.
• Respond to and investigate security incidents, performing root cause analysis and implementing corrective actions.
• Monitor network traffic and security logs for suspicious activity, ensuring timely and effective threat detection.
• Collaborate with IT operations and development teams to ensure security is integrated into all aspects of the network infrastructure.
• Stay current with the latest security threats, vulnerabilities, and industry best practices.
• Provide technical leadership and mentorship to junior security engineers.
• Manage security vendor relationships and evaluate new security technologies.
• Participate in the on-call rotation for incident response.

Qualifications:

• Bachelor's degree in Computer Science, Information Security, or a related field, or equivalent practical experience.
• Minimum of 6 years of experience in network security engineering.
• In-depth knowledge of network security principles, protocols, and technologies (e.g., TCP/IP, BGP, firewalls, VPNs, IDS/IPS).
• Hands-on experience with security technologies from leading vendors (e.g., Cisco, Palo Alto Networks, Fortinet).
• Experience with cloud security concepts (AWS, Azure) is a significant advantage.
• Strong understanding of cybersecurity frameworks and compliance requirements.
• Excellent analytical, problem-solving, and incident response skills.
• Relevant certifications such as CISSP, CCIE Security, or GIAC are highly desirable.
• Effective communication and interpersonal skills, with the ability to explain technical concepts to non-technical audiences.
• Experience working in a hybrid environment, balancing remote collaboration with in-office responsibilities at our **London, England, UK** location.

This is a challenging and rewarding opportunity to contribute to the security posture of a major financial institution. If you are a proactive security professional with a passion for protecting networks, we encourage you to apply.

Our client is a leading innovator in the telecommunications sector, seeking an exceptional Senior Network Security Engineer to join their fully remote team. Based in **London, England, UK**, this role is pivotal in safeguarding our advanced network infrastructure against evolving cyber threats. You will be responsible for designing, implementing, and managing robust security solutions to protect our critical assets and ensure the integrity and confidentiality of our services. The ideal candidate will possess deep expertise in network security principles, protocols, and best practices. Proven experience with firewalls, intrusion detection/prevention systems (IDS/IPS), VPNs, encryption technologies, and security information and event management (SIEM) solutions is essential. You will play a key role in conducting security assessments, vulnerability testing, and developing incident response plans. This position requires a proactive approach to threat intelligence gathering, risk analysis, and the implementation of preventative measures. As part of a fully remote team, you must be highly self-disciplined, organised, and possess excellent communication skills to collaborate effectively with colleagues across different time zones and locations. Responsibilities include configuring and maintaining security hardware and software, monitoring network traffic for suspicious activity, and responding to security incidents in a timely and effective manner. You will also contribute to the development of security policies and procedures, and mentor junior engineers. Staying ahead of the curve in cybersecurity is paramount, requiring continuous learning and adaptation to new threats and technologies. This is a demanding but rewarding opportunity for a cybersecurity professional to make a significant impact on a global scale. A strong understanding of telecommunications network architecture and standards is highly desirable.
Key Responsibilities:

• Design, implement, and manage network security infrastructure.
• Configure and maintain firewalls, IDS/IPS, VPNs, and other security devices.
• Monitor network traffic for security breaches and anomalies.
• Respond to security incidents and perform forensic analysis.
• Conduct vulnerability assessments and penetration testing.
• Develop and enforce security policies and procedures.
• Stay current with emerging security threats and technologies.
• Collaborate with IT and network teams to ensure comprehensive security.
• Provide technical guidance and mentorship to junior engineers.
• Ensure compliance with relevant security standards and regulations.

Qualifications:

• Bachelor's or Master's degree in Computer Science, Cybersecurity, or a related field.
• 5+ years of experience in network security engineering.
• In-depth knowledge of network protocols and security technologies.
• Proficiency with security tools such as SIEM, IDS/IPS, and vulnerability scanners.
• Experience with cloud security principles (AWS, Azure, GCP) is a plus.
• Relevant certifications (e.g., CISSP, CCNA Security, GIAC) are highly desirable.
• Excellent analytical, problem-solving, and troubleshooting skills.
• Strong written and verbal communication skills.
• Ability to work independently and collaboratively in a fully remote environment.
• Experience in the telecommunications industry is advantageous.

This is a fully remote position, supporting operations for **London, England, UK**.

Our client, a prominent telecommunications provider, is seeking a highly skilled and experienced Lead Network Security Engineer to join their cutting-edge security team. This pivotal role will involve designing, implementing, and managing robust network security solutions to protect the company's infrastructure and customer data against evolving threats. The successful candidate will be instrumental in safeguarding our network operations and ensuring the highest levels of service integrity.

Responsibilities will include: developing and maintaining security policies and procedures; architecting and deploying advanced firewalls, intrusion detection/prevention systems (IDPS), VPNs, and other security technologies; conducting regular security audits and vulnerability assessments; leading incident response efforts for security breaches; staying abreast of the latest security threats and vulnerabilities, and recommending proactive measures; collaborating with cross-functional teams to integrate security into the network lifecycle; mentoring junior engineers and contributing to the team's overall technical growth. You will also be responsible for evaluating and recommending new security technologies and solutions to enhance our defensive posture.

The ideal candidate will possess a deep understanding of network protocols, routing, switching, and network architecture. Proven experience in cybersecurity principles, threat intelligence, and risk management is essential. You should have hands-on experience with major security vendors and technologies. Excellent analytical, problem-solving, and communication skills are required, along with the ability to lead complex projects and work effectively in a team environment. This role offers a unique opportunity to influence the security strategy of a major player in the telecoms industry.

Key Requirements:

• Bachelor's degree in Computer Science, Information Security, or a related field (or equivalent experience).
• Minimum of 7 years of experience in network security engineering.
• Demonstrable expertise in network security technologies such as Cisco ASA/Firepower, Palo Alto, Fortinet, Juniper.
• Strong understanding of TCP/IP, BGP, OSPF, MPLS, and other routing/switching protocols.
• Experience with SIEM solutions (e.g., Splunk, QRadar), IDS/IPS, NAC, and endpoint security.
• Relevant security certifications (e.g., CISSP, CCIE Security, GIAC) are highly desirable.
• Experience with cloud security concepts (AWS, Azure, GCP) is a plus.
• Proven ability to lead technical initiatives and mentor staff.

This role is based in London, England, UK , and offers a hybrid working model, allowing for a blend of office-based collaboration and remote flexibility. Join us in shaping the future of secure telecommunications.

Our client, a global leader in telecommunications infrastructure, is seeking a highly skilled and experienced Remote Network Security Architect to join their world-class cybersecurity team. This is a fully remote position, offering the opportunity to design, implement, and maintain robust security architectures for complex telecommunication networks. You will be responsible for developing security strategies, defining security policies, and evaluating cutting-edge security technologies to protect against evolving cyber threats. The ideal candidate will possess deep expertise in network security principles, protocols, and best practices, including firewalls, intrusion detection/prevention systems (IDS/IPS), VPNs, encryption, and endpoint security. You will work closely with network engineering, IT operations, and other security teams to ensure the confidentiality, integrity, and availability of critical network infrastructure. Exceptional analytical, problem-solving, and communication skills are essential for this role, as is the ability to articulate complex technical concepts to both technical and non-technical audiences in a virtual environment.

Responsibilities:

• Design, implement, and manage comprehensive network security architectures to protect telecommunications infrastructure.
• Develop and enforce security policies, standards, and procedures across the network environment.
• Evaluate, recommend, and deploy new security technologies and solutions (e.g., next-generation firewalls, SIEM, NAC).
• Conduct security risk assessments and vulnerability analyses to identify and mitigate potential threats.
• Develop and implement incident response plans and participate in incident handling activities.
• Oversee the configuration and management of security devices and systems.
• Collaborate with network engineering and IT teams to ensure secure network design and operation.
• Provide expert guidance on security best practices for network protocols and applications.
• Stay current with emerging cybersecurity threats, vulnerabilities, and defence strategies.
• Lead security architecture reviews and provide recommendations for improvement.

Qualifications:

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field. A Master's degree is highly desirable.
• Minimum of 8 years of progressive experience in network security, with at least 4 years in a security architecture or design role.
• Deep understanding of network protocols (TCP/IP, BGP, OSPF), security protocols (TLS, IPsec), and cybersecurity principles.
• Proven experience with firewall management, IDS/IPS deployment, VPN configuration, and endpoint security solutions.
• Experience with security monitoring tools, SIEM platforms, and threat intelligence feeds.
• Strong knowledge of cloud security principles and best practices.
• Excellent analytical and problem-solving skills, with the ability to think strategically and tactically.
• Exceptional written and verbal communication skills, with the ability to effectively communicate complex security concepts.
• Relevant security certifications such as CISSP, CCNA Security, CCNP Security, or GIAC are a strong plus.
• Demonstrated ability to work effectively in a remote, collaborative team environment.

Our client, a rapidly growing telecommunications provider, is looking for an experienced and visionary Lead Network Security Engineer to join their fully remote engineering department. This is a critical role responsible for architecting, implementing, and managing the security infrastructure that protects our extensive network and customer data. You will lead a team of security professionals, define security policies, and ensure the highest standards of protection against evolving cyber threats. The ideal candidate possesses deep expertise in network security, a strong understanding of telecommunications protocols, and a proven ability to lead and mentor technical teams. This position offers the unique advantage of being 100% remote, providing flexibility and autonomy.

Key Responsibilities:

• Develop and implement comprehensive network security strategies and architectures for a large-scale telecommunications network.
• Lead and mentor a team of network security engineers, fostering a culture of innovation and continuous improvement.
• Design, deploy, and manage security solutions including firewalls, IDS/IPS, VPNs, and WAFs.
• Conduct regular security assessments, vulnerability scans, and penetration testing to identify and mitigate risks.
• Develop and enforce security policies, standards, and procedures across the organisation.
• Monitor network traffic for security breaches and respond to security incidents in a timely and effective manner.
• Collaborate with network operations and engineering teams to ensure secure network design and implementation.
• Evaluate and recommend new security technologies and solutions to enhance our security posture.
• Stay current with emerging security threats, vulnerabilities, and industry best practices.
• Develop and deliver security awareness training to technical and non-technical staff.
• Manage security-related projects from conception to completion.

Required Qualifications and Experience:

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field; Master's degree preferred.
• 10+ years of experience in network security engineering, with at least 3 years in a lead or management role.
• Deep understanding of TCP/IP, routing protocols (BGP, OSPF), and network security principles.
• Hands-on experience with various security technologies and vendors (e.g., Cisco, Palo Alto Networks, Fortinet).
• Proven experience with network security best practices, threat modelling, and incident response.
• Experience with cloud security (AWS, Azure, GCP) is a significant advantage.
• Strong leadership, team management, and mentoring skills.
• Excellent analytical, problem-solving, and decision-making abilities.
• Exceptional communication and interpersonal skills, suitable for remote interaction and stakeholder management.
• Relevant security certifications (e.g., CISSP, CCNP Security, GIAC) are highly desirable.
• Demonstrated ability to work autonomously and manage multiple priorities effectively in a remote environment.

Join our client and play a pivotal role in securing the future of telecommunications, enjoying the benefits of a flexible, remote work setup.

Our client, a rapidly growing telecommunications and technology company, is actively seeking a highly skilled and experienced Senior Network Security Engineer to join their esteemed team. This position is a fully remote opportunity, allowing you to contribute to critical projects from any location within the UK. You will be responsible for designing, implementing, and managing robust network security solutions to protect our client's infrastructure and services against evolving cyber threats. The ideal candidate will possess deep technical expertise in network security principles, a proactive approach to threat mitigation, and a proven ability to lead complex security initiatives.

Responsibilities:

• Design, deploy, and maintain comprehensive network security infrastructure, including firewalls, IDS/IPS, VPNs, and access control systems.
• Develop and enforce security policies, standards, and procedures to ensure the confidentiality, integrity, and availability of network resources.
• Conduct regular security assessments, vulnerability scans, and penetration tests to identify and remediate potential risks.
• Monitor network traffic and security alerts, responding promptly and effectively to security incidents and breaches.
• Implement and manage security technologies such as SIEM, endpoint detection and response (EDR), and threat intelligence platforms.
• Collaborate with IT and engineering teams to integrate security best practices into network design and operations.
• Stay current with emerging cybersecurity threats, vulnerabilities, and technologies, and recommend appropriate countermeasures.
• Develop and deliver security awareness training to employees.
• Manage relationships with security vendors and service providers.
• Contribute to the development of disaster recovery and business continuity plans.
• Lead security projects from inception to completion, ensuring timely and successful outcomes.
• Mentor junior security analysts and engineers.

Qualifications:

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field; Master's degree preferred.
• Minimum of 7 years of progressive experience in network security engineering and operations.
• In-depth knowledge of network protocols (TCP/IP, DNS, DHCP, BGP, etc.) and security frameworks (e.g., ISO 27001, NIST).
• Hands-on experience with various firewall platforms (e.g., Palo Alto, Cisco ASA, Fortinet), VPN technologies, and intrusion detection/prevention systems.
• Proficiency in security information and event management (SIEM) tools and incident response procedures.
• Experience with cloud security (AWS, Azure, GCP) is highly desirable.
• Relevant security certifications such as CISSP, CCNA Security, CCNP Security, or GIAC are a strong asset.
• Excellent analytical and problem-solving skills, with the ability to troubleshoot complex security issues.
• Strong communication and interpersonal skills, with the ability to articulate technical concepts to both technical and non-technical audiences.
• Demonstrated ability to work independently and lead projects in a remote environment.
• Experience with scripting for automation (e.g., Python, PowerShell) is a plus.

This is an exceptional opportunity to play a pivotal role in safeguarding a leading telecommunications company. If you are a seasoned security professional passionate about building resilient and secure networks, we want to hear from you.

Our Mission

At Palo Alto Networks® everything starts and ends with our mission:

Being the cybersecurity partner of choice, protecting our digital way of life.

Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we’re looking for innovators who are as committed to shaping the future of cybersecurity as we are.

Who We Are

We take our mission of protecting the digital way of life seriously. We are relentless in protecting our customers and we believe that the unique ideas of every member of our team contributes to our collective success. Our values were crowdsourced by employees and are brought to life through each of us everyday - from disruptive innovation and collaboration, to execution. From showing up for each other with integrity to creating an environment where we all feel included.

As a member of our team, you will be shaping the future of cybersecurity. We work fast, value ongoing learning, and we respect each employee as a unique individual. Knowing we all have different needs, our development and personal wellbeing programs are designed to give you choice in how you are supported. This includes our FLEXBenefits wellbeing spending account with over 1,000 eligible items selected by employees, our mental and financial health resources, and our personalized learning opportunities - just to name a few!

Job Description

Your Career

As a Customer Success Engineer within the SASE team, you will be part of a business-critical capability to enable our customers’ secure environments. You act as their day-to-day technical contact, building relationships with them to ensure proper security integrations.

This includes guidance for adoption, accelerated integrations with new cloud security products, and real-time support and strategy. You are someone who is highly technical, understands SASE technologies, and understands the complex world of cloud eco-systems and integrations.

You love solving critical problems in challenging environments. In this role, you will work closely with CISOs, Security Architects, Customer Success Managers, and Development Operations teams within mid-to-large enterprises to implement best-in-class cloud security solutions.

You will be the frontline defense against the world’s most pressing cybersecurity challenges. The end result for the client? Better digital protection. The end result for you? An important career that impacts our daily lives in the digital age.

Your Impact

• Ensure customers are maximizing their return on investment by rapidly implementing and operationalizing Palo Alto Networks SASE solutions to achieve their business and security objectives
• Assist customers in implementing Palo Alto Networks SASE solutions and fully integrate these into their security operations
• Be the first line of defense in proactively addressing customer needs for technical assistance, and coordinating and prioritizing timely resolutions with engineering teams
• Serve as a customer advocate in influencing product roadmap and improvements
• Coach customers on how to establish and manage their Cloud Security Change Management / Governance / Center of Excellence program
• Identify risks to the customer achieving their stated business goals and work with the account team to build a risk mitigation plan or escalate as needed
• Develop a comprehensive understanding of typical business challenges faced by customers and common objectives to appropriately map features and associated business benefits to address their needs
• Be a Go-To customer expert on Palo Alto Networks SASE security solutions and become a Subject Matter expert over time
• Performance metrics include CSAT, Renewal rate, Upsell / Cross-sell lead identification, Reference-ability, Renewal likelihood, Adoption, Consumption, Customer Engagement
  
  

Qualifications

Your Experience

• BS/MS in Computer Science, Electrical Engineering, Computer Engineering or a related technical field or equivalent military experience required
• Minimum 5 years of relevant work experience in post-sales, pre-sales, technical support, consulting or similar roles
• Understanding SASE architecture and value proposition
• In-depth understanding of Networking concepts and experience with multi-vendor networking devices such as routers, switches, firewalls, traffic generators, etc.
• Enterprise-level designing/troubleshooting experience in Routing Protocols (BGP / OSPF / EIGRP)
• Expertise with Remote Access VPN solutions, IPSEC, PKI & SSL, TCP/IP, Authentication Protocols (SAML, SSO, LDAP, RADIUS, etc.)
• Knowledge of Linux (including BASH and Python scripting)
• Proven track record of managing customer escalations, balancing customer expectations and negotiating successful resolutions
• Strong consulting and project management skills
• Ability to clearly articulate technical issues to both technical and non-technical audiences, executives and explain their impact on business both internal and external to the organization
• Ability to multi-task and work in a fast-paced environment
  
  

Additional Information

The Team

We are the global cybersecurity leader, known for always challenging the security status quo. Our mission is to protect our way of life in the digital age by preventing successful cyberattacks. This has given us the privilege of safely enabling tens of thousands of organizations and their customers. Our pioneering Security Operating Platform emboldens their digital transformation with continuous innovation that seizes the latest breakthroughs in security, automation, and analytics. By delivering a true platform and empowering a growing ecosystem of change-makers like us, we provide highly effective and innovative cybersecurity across clouds, networks, and mobile devices.

Our Security Operating Platform is built for automation. It is easy to operate, with capabilities that work together, so customers can prevent successful cyberattacks. They can use analytics to automate routine tasks, so they can focus on what matters. We are known for continuously delivering innovations; and with Application Framework, we extend that to an open ecosystem of developers that benefit from our customers’ existing investment in data, sensors, and enforcement points.

Our Commitment

We’re problem solvers that take risks and challenge cybersecurity’s status quo. It’s simple: we can’t accomplish our mission without diverse teams innovating, together.

We are committed to providing reasonable accommodations for all qualified individuals with a disability. If you require assistance or accommodation due to a disability or special need, please contact us at

Palo Alto Networks is an equal opportunity employer. We celebrate diversity in our workplace, and all qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or other legally protected characteristics.

All your information will be kept confidential according to EEO guidelines.