Explore senior 1,605 Senior Network Engineer jobs in the United Kingdom
Senior Network Engineer - Network Security
Posted today
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Job Description
The ideal candidate will possess comprehensive knowledge of routing, switching, firewalls, VPNs, and wireless technologies. Responsibilities include configuring and managing network devices, monitoring network performance, troubleshooting complex network issues, and implementing security best practices to protect against cyber threats. You will play a key role in network upgrades, capacity planning, and the deployment of new network technologies. Strong analytical skills, meticulous attention to detail, and the ability to work effectively both independently and as part of a team are essential. This role offers significant opportunities for professional development and involvement in strategic network projects.
Key Responsibilities:
- Design, implement, and maintain enterprise-level network infrastructure, including LAN, WAN, and WLAN.
- Configure and manage network hardware such as routers, switches, firewalls, and load balancers.
- Implement and manage network security measures, including firewalls, intrusion detection/prevention systems (IDS/IPS), VPNs, and NAC.
- Monitor network performance and troubleshoot network issues to ensure high availability and optimal performance.
- Develop and maintain network documentation, diagrams, and standard operating procedures.
- Participate in network capacity planning and technology roadmapping.
- Collaborate with the security team to implement and enforce security policies and best practices.
- Provide technical expertise and support for network-related projects and initiatives.
- Stay up-to-date with the latest networking technologies and security trends.
- Respond to network alerts and incidents in a timely manner.
Qualifications:
- Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
- A minimum of 6 years of experience in network engineering and administration.
- In-depth knowledge of TCP/IP, routing protocols (e.g., BGP, OSPF), switching technologies (e.g., VLANs, STP), and network services (e.g., DNS, DHCP).
- Proven experience with network security technologies such as firewalls (e.g., Palo Alto, Fortinet), VPNs, and IDS/IPS.
- Experience with network monitoring tools (e.g., SolarWinds, Nagios) and packet analysis.
- Relevant industry certifications such as CCNA, CCNP, or equivalent experience are highly desirable.
- Strong analytical and problem-solving skills.
- Excellent communication and interpersonal skills.
- Ability to work effectively in a hybrid work environment.
Network Security Engineer
Posted 1 day ago
Job Viewed
Job Description
Team purpose
We are here to change lives through better sight and hearing by delivering outstanding value, being loved by every customer and creating the place where all colleagues are proud to belong as we grow our business.
The Network Platform team will own and develop (with the Enterprise Architecture team) the strategic network roadmap. Delivering changes, product development and maintenance required to achieve the objectives of the roadmaps. The team will also provide support and technical expertise in the case of a major incident. They work closely with third-party partners to deliver a safe, resilient, robust Network Platform and continuously review the industry and market, testing new concepts and technologies that can add value.
Your purpose
The Network Security Engineer supports the Lead Network Security Engineer in delivering the Network Security Roadmap. This role supports the implementation of Infosec-driven initiatives and acts as the second line of escalation for Network Security Incidents and ad hoc service and portfolio support requests. This role is accountable for establishing and maintaining secure network configurations, including firewalls, routers, switches, and VPNs, and periodically reviewing firewall rules and user access to the network. The Network Security Engineer focuses on continuous improvement through automation and tooling, working with Security Operations to monitor and analyse network traffic for malicious activity or potential breaches. Additionally, this role implements network access controls, enforces robust patch management for network devices, and works with network security partners to identify network vulnerabilities, planning and implementing upgrades to ensure the highest standards of network security.
This role is required to participate in an on-call rota for out-of-hours escalations for the Global Network Team.
Your role
Support Network Security Roadmap: Assist in delivering the Network Security Roadmap.
Subject Matter Expertise: Provide network subject matter expertise on Infosec-driven initiatives.
Incident Escalation: Second line of escalation for network security incidents, as well as specific security Service and Portfolio Requests i.e. Meraki configuration and firewall changes.
On Call Rota: Participate in on-call rota and occasionally work out of regular business hours to facilitate change management and incident resolution.
Secure Network Configurations: Establish and maintain secure network configurations including Cisco Meraki and Palo Alto firewalls, routers, switches, and VPNs.
Firewall and Access Review: Periodically review firewall rules and user access to the network.
Continuous Improvement: Focus on continuous improvement through automation and tooling.
Monitoring and Analysis: Collaborate with Security Operations to monitor and analyse network traffic for malicious activity or potential breaches.
Access Controls: Implement network access controls to ensure only authorised users and devices can access specific network segments.
Vulnerability and Patch Management: Identify and manage the remediation of network vulnerabilities and upgrades to ensure the highest standards of network security. This includes vulnerability management of the store Meraki estate. Perform robust patch management for network devices.
IT Values Commitment: Champion and commit to performing the role within recognised Values & Behaviours.
What you'll bring
Advanced Expertise in network solutions including MPLS, Internet, Cloud services, Firewalls, Routers, switches, Palo Alto, Meraki, and Cisco services.
Bachelor's degree in relevant field and/or industry recognised certifications i.e. Cisco Certified Network Associate (CCNA).
Proficiency in establishing secure network configurations, including firewalls, routers, switches, and VPNs.
Experience with network access controls, vulnerability and patch management.
Experience in implementing network-security solutions.
Excellent verbal and written communication skills to articulate technical concepts to both technical and non-technical stakeholders.
Expertise in monitoring and analysing network performance and incidents.
Previous experience participating in on-call rotations and managing out-of-hours incidents effectively.
Strong analytical skills to assess complex technical problems and develop effective solutions.
Expertise in troubleshooting and resolving network security-related issues.
Ability to work closely with cross-functional teams, including architecture, infosec and regional implementation teams.
Dedication to performing the role within recognised values and behaviours.
Network Security Engineer
Posted 1 day ago
Job Viewed
Job Description
Summer-Browning Associates is currently supporting our public sector client, who is seeking a Network Security Engineer for an initial twelve-month assignment with the option to extend.
Location: Hybrid working - Kidlington or Southampton
About the role: You will be responsible for day-to-day operation and control of all aspects of the client's sites and local area communications network infrastructure including Voice.
The ideal candidate will hold Active SC and have a strong background in delivery Network & Security support, with the following skills and experience:
- Experience with Checkpoint, Fortinet, Cisco & Solarwinds.
- Knowledge of IT and Voice Networks.
- Holds a recognised IT Networking qualification, or equivalent experience.
- Knowledge of Networking protocols & standards.
Network Security Engineer
Posted 1 day ago
Job Viewed
Job Description
Team purpose
We are here to change lives through better sight and hearing by delivering outstanding value, being loved by every customer and creating the place where all colleagues are proud to belong as we grow our business.
The Network Platform team will own and develop (with the Enterprise Architecture team) the strategic network roadmap. Delivering changes, product development and maintenance required to achieve the objectives of the roadmaps. The team will also provide support and technical expertise in the case of a major incident. They work closely with third-party partners to deliver a safe, resilient, robust Network Platform and continuously review the industry and market, testing new concepts and technologies that can add value.
Your purpose
The Network Security Engineer supports the Lead Network Security Engineer in delivering the Network Security Roadmap. This role supports the implementation of Infosec-driven initiatives and acts as the second line of escalation for Network Security Incidents and ad hoc service and portfolio support requests. This role is accountable for establishing and maintaining secure network configurations, including firewalls, routers, switches, and VPNs, and periodically reviewing firewall rules and user access to the network. The Network Security Engineer focuses on continuous improvement through automation and tooling, working with Security Operations to monitor and analyse network traffic for malicious activity or potential breaches. Additionally, this role implements network access controls, enforces robust patch management for network devices, and works with network security partners to identify network vulnerabilities, planning and implementing upgrades to ensure the highest standards of network security.
This role is required to participate in an on-call rota for out-of-hours escalations for the Global Network Team.
Your role
Support Network Security Roadmap: Assist in delivering the Network Security Roadmap.
Subject Matter Expertise: Provide network subject matter expertise on Infosec-driven initiatives.
Incident Escalation: Second line of escalation for network security incidents, as well as specific security Service and Portfolio Requests i.e. Meraki configuration and firewall changes.
On Call Rota: Participate in on-call rota and occasionally work out of regular business hours to facilitate change management and incident resolution.
Secure Network Configurations: Establish and maintain secure network configurations including Cisco Meraki and Palo Alto firewalls, routers, switches, and VPNs.
Firewall and Access Review: Periodically review firewall rules and user access to the network.
Continuous Improvement: Focus on continuous improvement through automation and tooling.
Monitoring and Analysis: Collaborate with Security Operations to monitor and analyse network traffic for malicious activity or potential breaches.
Access Controls: Implement network access controls to ensure only authorised users and devices can access specific network segments.
Vulnerability and Patch Management: Identify and manage the remediation of network vulnerabilities and upgrades to ensure the highest standards of network security. This includes vulnerability management of the store Meraki estate. Perform robust patch management for network devices.
IT Values Commitment: Champion and commit to performing the role within recognised Values & Behaviours.
What you'll bring
Advanced Expertise in network solutions including MPLS, Internet, Cloud services, Firewalls, Routers, switches, Palo Alto, Meraki, and Cisco services.
Bachelor's degree in relevant field and/or industry recognised certifications i.e. Cisco Certified Network Associate (CCNA).
Proficiency in establishing secure network configurations, including firewalls, routers, switches, and VPNs.
Experience with network access controls, vulnerability and patch management.
Experience in implementing network-security solutions.
Excellent verbal and written communication skills to articulate technical concepts to both technical and non-technical stakeholders.
Expertise in monitoring and analysing network performance and incidents.
Previous experience participating in on-call rotations and managing out-of-hours incidents effectively.
Strong analytical skills to assess complex technical problems and develop effective solutions.
Expertise in troubleshooting and resolving network security-related issues.
Ability to work closely with cross-functional teams, including architecture, infosec and regional implementation teams.
Dedication to performing the role within recognised values and behaviours.
Network Security Engineer
Posted 1 day ago
Job Viewed
Job Description
Summer-Browning Associates is currently supporting our public sector client, who is seeking a Network Security Engineer for an initial twelve-month assignment with the option to extend.
Location: Hybrid working - Kidlington or Southampton
About the role: You will be responsible for day-to-day operation and control of all aspects of the client's sites and local area communications network infrastructure including Voice.
The ideal candidate will hold Active SC and have a strong background in delivery Network & Security support, with the following skills and experience:
- Experience with Checkpoint, Fortinet, Cisco & Solarwinds.
- Knowledge of IT and Voice Networks.
- Holds a recognised IT Networking qualification, or equivalent experience.
- Knowledge of Networking protocols & standards.
Network Security Engineer
Posted 2 days ago
Job Viewed
Job Description
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
Network Security Engineer
Posted 1 day ago
Job Viewed
Job Description
Key Responsibilities:
- Design, implement, and manage network security infrastructure, including firewalls, intrusion detection/prevention systems (IDPS), VPNs, and web application firewalls (WAFs).
- Monitor network traffic for security threats and anomalies, and respond to security incidents in a timely and effective manner.
- Conduct vulnerability assessments and penetration testing to identify and remediate security weaknesses.
- Develop and maintain security policies, procedures, and standards.
- Ensure compliance with relevant security regulations and industry best practices.
- Configure and manage security tools and technologies, including SIEM, endpoint security, and access control systems.
- Provide technical guidance and support on network security matters to other IT teams.
- Stay current with emerging security threats and technologies, recommending and implementing appropriate countermeasures.
- Collaborate with cross-functional teams to integrate security into all aspects of IT operations.
- Participate in security awareness training initiatives.
The ideal candidate will hold a Bachelor's degree in Computer Science, Information Technology, or a related field, or possess equivalent practical experience. Professional security certifications such as CISSP, CCNA Security, or CCNP Security are highly desirable. A minimum of 4 years of experience in network security engineering is required. Proven experience with firewalls, VPNs, IDPS, and other security technologies is essential. Strong understanding of network protocols, TCP/IP, and cybersecurity principles is a must. Experience with cloud security concepts (e.g., AWS, Azure) is a plus. Excellent analytical, problem-solving, and communication skills are necessary. This hybrid role requires flexibility, with a need for on-site presence for critical infrastructure work and team collaboration, complemented by remote work capabilities for ongoing monitoring and analysis.
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