Explore senior 2,201 Senior Network Engineer jobs in the United Kingdom
Network Security Engineer
Clerkenwell, London
£550 Daily
Morson Talent
Posted 8 days ago
Job Viewed
Job Description
Network Security Engineer - SC Cleared (or Eligible) - £550 per day - Inside IR35 - Remote - 12 Months initial contract
We are currently working with a leading client in the zero carbon energy sector who are looking to bring on board an experienced Security Engineer to join their security implementation and engineering delivery team.
This is a fantastic opportunity to work on large-scale, business-critical projects in a highly regulated environment.
The Role -
As part of the security engineering team, you'll be:
- Delivering on the security portfolio, with a focus on SASE and firewall estates.
- Working within a SAFe Agile framework, participating in sprints and stand-ups.
- Managing and tracking workloads via Jira.
- Triaging customer requirements into actionable deliverables.
- Acting as an escalation engineer for the Security Support Team.
- Supporting and mentoring junior engineers.
- Producing documentation and knowledge base material, as well as delivering knowledge transfer sessions.
- Occasionally supporting out-of-hours work.
Technical Skills We're Looking For -
My client is looking for demonstrable experience in as many of the following as possible:
- Enterprise firewalls: Palo Alto (PAN) & Fortinet.
- Management platforms: Panorama, SCM, FortiManager, FortiAnalyzer.
- SASE products/services.
- Load balancers & application delivery - primarily F5.
- Vulnerability & exposure management (e.g. Tenable).
- Email security gateways and hygiene solutions (Mimecast).
- Network routing, switching, access policy administration.
- AWS and Azure security knowledge.
- Documentation: HLDs, LLDs, Security Designs, Risk Assessments, Network Diagrams.
Soft Skills & Background
- Strong stakeholder management and customer-facing skills.
- Ability to work independently and as part of a collaborative team.
- Agile/SAFe delivery experience.
- Background in security operations, compliance, risk, or governance.
- Experience working with an MSSP - desirable.
- Exposure to highly regulated industries - Financial Services experience a strong plus.
Clearance
- SC Clearance (or eligibility to obtain) is required for this role.
- Candidates with current active SC will be prioritised.
Why Apply?
This is an excellent chance to join a forward-thinking organisation investing heavily in their security landscape. You'll be working on enterprise-grade solutions, contributing to critical infrastructure, and expanding your skillset across cloud, network, and security domains.
This advertiser has chosen not to accept applicants from your region.
0
Network Security Engineer
London, London
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Posted today
Job Viewed
Job Description
Network Security Engineer Network Security / Penetration Testing / CREST / CSTL / API Testing / Config Reviews / Infrastructure / Outside IR35 / West London We’re seeking an experienced Network Security Engineer to support a major multi-phase security testing project. You’ll conduct penetration tests, configuration reviews, and infrastructure assessments, contributing to a high-profile programme of work extending into next year. Required Strong background in network and infrastructure security. Experience performing penetration testing, configuration reviews, and API testing. Knowledge of “classic” CHECK-style testing methodologies. CREST, CSTL or CTL certification (Team Member or Team Leader level). Ability to deliver high-quality reports and communicate technical findings clearly. Hands-on experience across infrastructure, networking, and external testing. Desirable Experience working within CHECK or other accredited testing schemes. Strong understanding of secure network architecture and hardening practices. Previous consultancy or project-based testing experience. Contract Details Outside IR35 West London (on-site presence required for majority of testing) 0-hours contract – project-based work, phase by phase Initial phase focused on network testing, with further phases planned into next year Day Rate: Competitive Start: ASAP 1-Stage Interview Process with consultancy SME Please apply now or contact me directly if this role looks like a good fit. From there I’ll be in touch to discuss the opportunity in more detail. Network Security / Penetration Testing / CREST / CSTL / CTL / API Testing / Config Reviews / Infrastructure / Outside IR35 / West London
This advertiser has chosen not to accept applicants from your region.
1
Network Security Engineer
London, London
Meta
Posted today
Job Viewed
Job Description
**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.
**Required Skills:**
Network Security Engineer Responsibilities:
1. 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
2. Influence security direction of the network, including management software and infrastructure to protect the network integrity of Meta platforms
3. Conceptualize and lead efforts towards building sustainable and scalable network layer security controls and tooling
4. Mentor and champion security practices through cross functional work with engineering teams throughout Meta
5. Keep Meta's safe through active operation and defense of critical network infrastructure
**Minimum Qualifications:**
Minimum Qualifications:
6. Engineering degree, or a related technical discipline, or equivalent work experience
7. Experience coding in higher-level languages (e.g. Python, Rust, Go, C++)
8. Experience in configuration and maintenance of network platforms such as firewalls, routers, switches, load balancers, and proxies
9. Experience learning software, frameworks and APIs
**Preferred Qualifications:**
Preferred Qualifications:
10. Understanding of implementation and scaling of access controls across both host and network layers.
11. Understanding of threat models to better protect against attacks or detect new vectors.
12. Experience leading network efforts to investigate, prevent, and mitigate security incidents.
13. Experience evaluating and testing new vendor platforms and in house network initiatives for security issues.
14. Experience leveraging layered security models to defend critical network infrastructure.
**Industry:** Internet
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.
**Required Skills:**
Network Security Engineer Responsibilities:
1. 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
2. Influence security direction of the network, including management software and infrastructure to protect the network integrity of Meta platforms
3. Conceptualize and lead efforts towards building sustainable and scalable network layer security controls and tooling
4. Mentor and champion security practices through cross functional work with engineering teams throughout Meta
5. Keep Meta's safe through active operation and defense of critical network infrastructure
**Minimum Qualifications:**
Minimum Qualifications:
6. Engineering degree, or a related technical discipline, or equivalent work experience
7. Experience coding in higher-level languages (e.g. Python, Rust, Go, C++)
8. Experience in configuration and maintenance of network platforms such as firewalls, routers, switches, load balancers, and proxies
9. Experience learning software, frameworks and APIs
**Preferred Qualifications:**
Preferred Qualifications:
10. Understanding of implementation and scaling of access controls across both host and network layers.
11. Understanding of threat models to better protect against attacks or detect new vectors.
12. Experience leading network efforts to investigate, prevent, and mitigate security incidents.
13. Experience evaluating and testing new vendor platforms and in house network initiatives for security issues.
14. Experience leveraging layered security models to defend critical network infrastructure.
**Industry:** Internet
This advertiser has chosen not to accept applicants from your region.
2
Network Security Engineer
London, London
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Posted 2 days ago
Job Viewed
Job Description
Network Security Engineer
Network Security / Penetration Testing / CREST / CSTL / API Testing / Config Reviews / Infrastructure / Outside IR35 / West London
We’re seeking an experienced Network Security Engineer to support a major multi-phase security testing project. You’ll conduct penetration tests, configuration reviews, and infrastructure assessments, contributing to a high-profile programme of work extending into next year.
Required
Network Security / Penetration Testing / CREST / CSTL / CTL / API Testing / Config Reviews / Infrastructure / Outside IR35 / West London
Network Security / Penetration Testing / CREST / CSTL / API Testing / Config Reviews / Infrastructure / Outside IR35 / West London
We’re seeking an experienced Network Security Engineer to support a major multi-phase security testing project. You’ll conduct penetration tests, configuration reviews, and infrastructure assessments, contributing to a high-profile programme of work extending into next year.
Required
- Strong background in network and infrastructure security.
- Experience performing penetration testing, configuration reviews, and API testing.
- Knowledge of “classic” CHECK-style testing methodologies.
- CREST, CSTL or CTL certification (Team Member or Team Leader level).
- Ability to deliver high-quality reports and communicate technical findings clearly.
- Hands-on experience across infrastructure, networking, and external testing.
- Experience working within CHECK or other accredited testing schemes.
- Strong understanding of secure network architecture and hardening practices.
- Previous consultancy or project-based testing experience.
- Outside IR35
- West London (on-site presence required for majority of testing)
- 0-hours contract – project-based work, phase by phase
- Initial phase focused on network testing, with further phases planned into next year
- Day Rate: Competitive
- Start: ASAP
- 1-Stage Interview Process with consultancy SME
Network Security / Penetration Testing / CREST / CSTL / CTL / API Testing / Config Reviews / Infrastructure / Outside IR35 / West London
This advertiser has chosen not to accept applicants from your region.
3
Network Security Engineer
B1 1BB Birmingham, West Midlands
£58000 Annually
WhatJobs
Posted 2 days ago
Job Viewed
Job Description
Our client, a rapidly growing telecommunications provider committed to delivering secure and reliable network solutions, is seeking a skilled Network Security Engineer to join their dynamic team based in **Birmingham, West Midlands, UK**. This role is critical in protecting the company's network infrastructure and data from cyber threats. You will be responsible for designing, implementing, and maintaining robust security measures across the company's network. This includes firewalls, intrusion detection/prevention systems (IDS/IPS), VPNs, and other security technologies. You will monitor network traffic for security breaches and respond to incidents in a timely and effective manner. Conducting regular security audits, vulnerability assessments, and penetration testing to identify and mitigate risks will be a primary duty. Developing and enforcing security policies, standards, and procedures to ensure compliance with industry best practices and regulatory requirements is essential. You will also be involved in the configuration and management of network access controls and authentication systems. Collaborating with IT operations and other teams to integrate security measures into the overall network architecture is key. Staying abreast of the latest cybersecurity threats, trends, and technologies to proactively adapt and enhance security protocols is crucial. Providing technical expertise and guidance on security-related matters to colleagues will be expected. Experience with cloud security platforms (AWS, Azure, GCP) is highly desirable. You should have a strong understanding of TCP/IP, routing protocols, and network infrastructure. Certifications such as CISSP, CCNA Security, or equivalent are strongly preferred. A minimum of 4 years of experience in network security engineering or a similar role is required. A Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field is essential. This is a hybrid role, requiring a balance of remote work and in-office presence for collaboration and essential tasks at our client's **Birmingham** office. Occasional on-call duties may be required.
This advertiser has chosen not to accept applicants from your region.
4
Network Security Engineer
G1 1AA Glasgow, Scotland
£60000 Annually
WhatJobs
Posted 4 days ago
Job Viewed
Job Description
Our client, a leading telecommunications provider, is seeking a highly skilled and experienced Network Security Engineer to join their dedicated IT infrastructure team. This role is crucial for safeguarding the company's network against evolving cyber threats. You will be responsible for designing, implementing, and maintaining robust security measures to protect our client's network, systems, and data. The ideal candidate possesses a strong understanding of network protocols, security principles, and threat mitigation techniques.
Responsibilities:
Responsibilities:
- Design, implement, and manage network security solutions, including firewalls, VPNs, intrusion detection/prevention systems (IDS/IPS), and endpoint security.
- Monitor network traffic for security breaches and suspicious activities, responding promptly to incidents.
- Conduct regular vulnerability assessments and penetration testing to identify and address security weaknesses.
- Develop and maintain security policies, procedures, and documentation.
- Collaborate with network operations teams to ensure secure network configurations and deployments.
- Stay current with the latest security threats, trends, and technologies, proactively recommending enhancements to security posture.
- Provide expert guidance on security best practices to internal stakeholders.
- Respond to and investigate security incidents, performing root cause analysis and implementing corrective actions.
- Manage security-related vendor relationships and evaluate new security products and technologies.
- Ensure compliance with relevant security standards and regulations.
- Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field.
- Minimum of 5 years of experience in network security engineering or a similar role.
- Strong understanding of TCP/IP, routing protocols (e.g., BGP, OSPF), and network architecture.
- Hands-on experience with security technologies such as firewalls (Palo Alto, Cisco ASA), VPNs, IDS/IPS, SIEM solutions.
- Knowledge of common cybersecurity frameworks (e.g., NIST, ISO 27001).
- Relevant certifications such as CISSP, CCNA Security, CCNP Security, or similar are highly desirable.
- Excellent problem-solving and analytical skills.
- Strong communication and interpersonal skills, with the ability to explain technical concepts to non-technical audiences.
- Ability to work effectively under pressure and manage multiple priorities.
This advertiser has chosen not to accept applicants from your region.
5
Network Security Engineer
LE1 5DG Leicester, East Midlands
£50000 Annually
WhatJobs
Posted 4 days ago
Job Viewed
Job Description
Our client, a prominent entity in the Telecoms sector, is looking for a skilled Network Security Engineer to join their team in **Leicester, Leicestershire, UK**. This hybrid role offers a dynamic work environment, combining essential in-office collaboration with the flexibility of remote work. You will be responsible for designing, implementing, and maintaining robust network security solutions to protect the company's infrastructure and data. This role requires a deep understanding of network protocols, security technologies, and threat mitigation strategies. You will play a crucial part in safeguarding our client's network against cyber threats and ensuring service continuity. Key Responsibilities:
- Designing, implementing, and managing network security solutions, including firewalls, Intrusion Detection/Prevention Systems (IDPS), VPNs, and access control systems.
- Monitoring network traffic for security breaches and suspicious activities.
- Responding to security incidents, performing forensic analysis, and implementing containment and eradication measures.
- Conducting vulnerability assessments and penetration testing.
- Developing and enforcing network security policies and procedures.
- Collaborating with IT teams to ensure network security is integrated into all aspects of infrastructure design and deployment.
- Staying up-to-date with the latest security threats, vulnerabilities, and technologies.
- Providing technical guidance and support on network security best practices.
- Participating in security awareness training for employees.
- Maintaining security documentation and incident logs.
This advertiser has chosen not to accept applicants from your region.
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6
Network Security Engineer
BD1 1AA Bradford, Yorkshire and the Humber
£50000 Annually
WhatJobs
Posted 4 days ago
Job Viewed
Job Description
Our client is seeking a skilled Network Security Engineer to join their established team in Bradford, West Yorkshire, UK . This is a critical role focused on safeguarding the company's network infrastructure against evolving cyber threats. You will be responsible for designing, implementing, and maintaining robust security solutions, including firewalls, intrusion detection/prevention systems, VPNs, and access control mechanisms. The successful candidate will possess a deep understanding of network protocols, security best practices, and threat mitigation strategies. You will conduct regular security audits, vulnerability assessments, and penetration tests to identify and address potential weaknesses. Furthermore, you will play a key part in developing and executing incident response plans, ensuring rapid and effective containment of security breaches.
Key Responsibilities:
Key Responsibilities:
- Design, implement, and manage network security infrastructure, including firewalls, routers, switches, IDS/IPS, and VPNs.
- Monitor network traffic for security breaches and suspicious activities, utilizing SIEM tools and other security monitoring solutions.
- Perform regular vulnerability assessments and penetration testing to identify security risks.
- Develop and maintain security policies, standards, and procedures.
- Respond to and investigate security incidents, coordinating remediation efforts and providing post-incident analysis.
- Configure and maintain security systems, ensuring they are up-to-date with the latest patches and threat intelligence.
- Collaborate with IT teams to ensure security is integrated into all aspects of the network infrastructure.
- Provide technical guidance and support on security-related matters to colleagues.
- Stay informed about the latest security threats, trends, and technologies.
- Contribute to security awareness training for staff.
- Bachelor's degree in Computer Science, Information Security, or a related field, or equivalent practical experience.
- Minimum of 4 years of experience in network security engineering.
- Strong knowledge of TCP/IP, routing protocols (BGP, OSPF), and network security technologies (e.g., Palo Alto, Cisco ASA, Fortinet).
- Hands-on experience with IDS/IPS, SIEM solutions (e.g., Splunk, QRadar), and endpoint security tools.
- Familiarity with security frameworks and compliance standards (e.g., ISO 27001, NIST).
- Relevant security certifications such as CISSP, CCNA Security, or CompTIA Security+ are highly desirable.
- Excellent analytical and problem-solving skills.
- Strong communication and interpersonal skills, with the ability to explain complex technical issues to both technical and non-technical audiences.
- Ability to work effectively under pressure and manage multiple priorities.
- Must be able to work on-site in Bradford .
This advertiser has chosen not to accept applicants from your region.
7
Network Security Engineer
CB2 1AA Cambridge, Eastern
£60000 Annually
WhatJobs
Posted 5 days ago
Job Viewed
Job Description
Our client, a leader in the telecommunications sector, is looking for a skilled Network Security Engineer to join their team. This role is crucial for safeguarding our network infrastructure against cyber threats and ensuring the integrity and availability of our communication services. You will be responsible for designing, implementing, and maintaining robust network security solutions. This includes configuring and managing firewalls, intrusion detection/prevention systems (IDS/IPS), VPNs, and other security appliances. You will conduct regular security assessments, vulnerability scans, and penetration testing to identify and mitigate potential risks. Developing and enforcing network security policies and procedures to ensure compliance with industry standards and best practices is essential. You will also play a key role in incident response, investigating security breaches, and implementing corrective actions to prevent future occurrences. Collaborating with IT and operations teams to integrate security measures into new network deployments and upgrades is a core responsibility. Monitoring network traffic for suspicious activity and analysing security logs to detect and respond to threats will be part of your daily duties. Staying up-to-date with the latest security threats, vulnerabilities, and technologies is paramount. Experience with cloud security principles (e.g., AWS, Azure) and knowledge of scripting languages (e.g., Python) for automation are highly desirable. Relevant security certifications such as CISSP, CCNA Security, or GIAC are a significant advantage. This role, based in **Cambridge, Cambridgeshire, UK**, offers a hybrid working model, combining the benefits of collaborative office-based work with remote flexibility. We are seeking a proactive, detail-oriented individual with excellent analytical and problem-solving skills and a strong commitment to network security. If you are a seasoned security professional looking for a challenging and impactful role in the fast-paced telecom industry, we encourage you to apply.
This advertiser has chosen not to accept applicants from your region.
8
Network Security Engineer
CF10 1DA Cardiff, Wales
£65000 Annually
WhatJobs
Posted 5 days ago
Job Viewed
Job Description
Our client, a prominent player in the telecommunications sector, is seeking a highly skilled and experienced Network Security Engineer to join their dedicated team. This role is crucial for maintaining the integrity, confidentiality, and availability of the company's network infrastructure and sensitive data. You will be responsible for designing, implementing, and managing robust security solutions to protect against a wide range of cyber threats. This includes firewall management, intrusion detection and prevention systems (IDPS), VPNs, and network access control technologies. The successful candidate will play a key role in developing and enforcing security policies and procedures, conducting regular security audits, and performing vulnerability assessments. Incident response planning and execution, including the investigation of security breaches and the implementation of remediation measures, will be a significant part of your responsibilities. You will also be involved in network segmentation, security monitoring, and the continuous improvement of security posture. Collaboration with other IT teams to ensure security best practices are integrated into all network operations is essential. A strong understanding of network protocols, routing, switching, and modern security frameworks is required. Experience with cloud security (AWS, Azure) and network monitoring tools is highly desirable. The ideal candidate will possess excellent analytical and problem-solving skills, with a keen eye for detail and a proactive approach to identifying and mitigating security risks. Certification such as CISSP, CCNA Security, or equivalent is preferred. This is an exciting opportunity to contribute to the security of a leading telecommunications provider and work within a challenging and evolving technological landscape.
Key Responsibilities:
Key Responsibilities:
- Design, implement, and maintain network security infrastructure.
- Manage and configure firewalls, IDS/IPS, VPNs, and other security devices.
- Develop and enforce network security policies and procedures.
- Conduct regular vulnerability assessments and penetration testing.
- Respond to and investigate security incidents and breaches.
- Implement and manage security monitoring and alerting systems.
- Ensure compliance with industry security standards and regulations.
- Collaborate with IT teams on secure network design and deployment.
- Provide expertise on network security best practices.
- Stay updated on emerging cyber threats and security technologies.
This advertiser has chosen not to accept applicants from your region.
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