1,433 Network Security jobs in the United Kingdom
Senior Network Engineer - Remote
Job Viewed
Job Description
The responsibilities include developing network architecture strategies, evaluating and recommending new technologies, and creating comprehensive documentation for network configurations and procedures. You will also lead major network upgrade projects, collaborate with cross-functional teams to integrate network solutions, and provide expert technical support for escalated network problems. A key aspect of this role involves proactive monitoring of network health and performance, implementing necessary adjustments to prevent outages and ensure optimal data flow.
The ideal candidate will possess deep expertise in routing and switching protocols, firewall management, VPN configuration, and cloud networking technologies. Strong analytical and problem-solving skills are essential, along with the ability to work independently and manage multiple projects concurrently in a remote environment. We are looking for a motivated professional who is passionate about network technology and committed to delivering high-quality network solutions.
Key Responsibilities:
- Design, implement, and manage enterprise-level network infrastructure.
- Ensure network security through firewalls, intrusion detection/prevention systems, and VPNs.
- Monitor network performance and troubleshoot complex issues proactively.
- Optimize network traffic flow and implement quality of service (QoS) policies.
- Lead network upgrade and deployment projects.
- Collaborate with IT security and systems administration teams.
- Develop and maintain network documentation, diagrams, and standards.
- Provide technical guidance and mentorship to junior network staff.
- Evaluate emerging network technologies and make recommendations for adoption.
- Bachelor's degree in Computer Science, Information Technology, or a related field.
- Minimum of 5 years of experience in network engineering and administration.
- Expertise in TCP/IP, BGP, OSPF, MPLS, and other routing protocols.
- Proficiency with Cisco, Juniper, or similar network hardware.
- Hands-on experience with firewall management (e.g., Palo Alto, Fortinet).
- Strong understanding of network security principles and best practices.
- Experience with cloud networking (AWS, Azure, GCP) is a plus.
- Relevant certifications such as CCIE, CCNP, or JNCIE are highly desirable.
- Excellent problem-solving and analytical skills.
- Strong written and verbal communication skills for remote collaboration.
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Telecoms Network Security Specialist
Posted today
Job Viewed
Job Description
Key Responsibilities:
- Design, implement, and manage security solutions for telecommunications networks (e.g., firewalls, IDS/IPS, VPNs, SIEM).
- Conduct regular security audits, vulnerability assessments, and penetration testing.
- Develop and enforce security policies, standards, and procedures.
- Monitor network traffic for suspicious activities and respond to security incidents effectively.
- Investigate security breaches and provide post-incident analysis and recommendations.
- Stay up-to-date with the latest cybersecurity threats, trends, and technologies.
- Collaborate with network engineering teams to ensure security is integrated into network design and operations.
- Provide security awareness training to staff.
- Ensure compliance with relevant industry regulations and data protection laws.
- Maintain and update security documentation.
- Evaluate and recommend new security technologies and tools.
- Bachelor's degree in Computer Science, Cybersecurity, Telecommunications Engineering, or a related field.
- Proven experience in network security, with a focus on telecommunications environments.
- Strong knowledge of TCP/IP, routing protocols, and network architectures.
- Expertise in security technologies such as firewalls, intrusion detection/prevention systems, and SIEM solutions.
- Experience with security scripting languages (e.g., Python) is a plus.
- Relevant cybersecurity certifications (e.g., CISSP, CCNA Security, CEH) are highly desirable.
- Excellent analytical and problem-solving skills.
- Strong communication and interpersonal skills, with the ability to explain complex technical issues.
- Ability to work independently and manage time effectively in a remote setting.
- Demonstrated ability to handle sensitive information with discretion.
- Understanding of regulatory compliance in the telecommunications sector.
Network Security Engineer
Posted 6 days ago
Job Viewed
Job Description
Network Security Engineer (SEA – Security Engineering Authority, Firewall, Checkpoint, Juniper, F5)
6 Month Contract
West Midlands (Hybrid)
£(Apply online only)/day (Outside IR35)
SEA – Security Engineering Authority Senior Network Security Designer/ Lead Engineer needed with active SC Security Clearance Firewall Specialist . 6 Month Contract based in Warwick (Hybrid). Start ASAP in September/October.
Network Security Lead Engineer / Security Engineering Authority SEA (Firewall Specialist – Checkpoint, Juniper, F5, Bluecoat)
The vast majority of work is expected to be remote. There may be occasional travel to customer sites to Data Centres in West/South England. Once or twice a month on average.
Working with a global IT Consultancy on large-scale network solutions projects for a Telecoms end client.
Key skills, experience + tasks will include:
- Technical Ownership of a Telecoms end client's Network Security Infrastructure estate, processes, documentation + lifecycle management . li>Design of customer networks including input into High-Level and Low-Level design (HLD/LLD).
- Network Security Engineer / Security Engineering Authority SEA (Firewall Specialist – Checkpoint, Juniper, F5, Bluecoat) < i>Acting as the technical point of contact for all Network Security related projects, changes and modifications, including firewall rules base.
- Point of escalation and link to vendor support for Network Security infrastructure incidents.
- Technical Environment: Strong experience Checkpoint, Juniper, Bluecoat, F5 , Cisco networking, Cisco IPT / QoS / 802.1x, switches, wireless, Inflobox DNS, SSL VPN, DMVPN, IPsec, WAN, routing protocols.
- Technical support, change management (physical/remote), customer inventory management, EOL, hardware, software.
- Ensures designs and implementations comply with enterprise security policies, standards, and regulatory requirements.
- SC Security Clearance is essential for this contract.
Network Security Engineer
Posted 9 days 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 9 days 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 6 days ago
Job Viewed
Job Description
Network Security Engineer (SEA – Security Engineering Authority, Firewall, Checkpoint, Juniper, F5)
6 Month Contract
West Midlands (Hybrid)
£(Apply online only)/day (Outside IR35)
SEA – Security Engineering Authority Senior Network Security Designer/ Lead Engineer needed with active SC Security Clearance Firewall Specialist . 6 Month Contract based in Warwick (Hybrid). Start ASAP in September/October.
Network Security Lead Engineer / Security Engineering Authority SEA (Firewall Specialist – Checkpoint, Juniper, F5, Bluecoat)
The vast majority of work is expected to be remote. There may be occasional travel to customer sites to Data Centres in West/South England. Once or twice a month on average.
Working with a global IT Consultancy on large-scale network solutions projects for a Telecoms end client.
Key skills, experience + tasks will include:
- Technical Ownership of a Telecoms end client's Network Security Infrastructure estate, processes, documentation + lifecycle management . li>Design of customer networks including input into High-Level and Low-Level design (HLD/LLD).
- Network Security Engineer / Security Engineering Authority SEA (Firewall Specialist – Checkpoint, Juniper, F5, Bluecoat) < i>Acting as the technical point of contact for all Network Security related projects, changes and modifications, including firewall rules base.
- Point of escalation and link to vendor support for Network Security infrastructure incidents.
- Technical Environment: Strong experience Checkpoint, Juniper, Bluecoat, F5 , Cisco networking, Cisco IPT / QoS / 802.1x, switches, wireless, Inflobox DNS, SSL VPN, DMVPN, IPsec, WAN, routing protocols.
- Technical support, change management (physical/remote), customer inventory management, EOL, hardware, software.
- Ensures designs and implementations comply with enterprise security policies, standards, and regulatory requirements.
- SC Security Clearance is essential for this contract.
Network Security Engineer
Posted 9 days 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 9 days 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.
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Network Security Engineer
Posted 10 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 today
Job Viewed
Job Description
Key Responsibilities:
- Design, deploy, and maintain network security infrastructure, including firewalls, intrusion detection/prevention systems (IDPS), VPNs, and access control systems.
- Monitor network traffic for security threats and anomalies using SIEM and other security tools.
- Investigate and respond to security incidents, performing root cause analysis and implementing corrective actions.
- Develop and enforce network security policies, standards, and procedures.
- Conduct regular security audits and vulnerability assessments of network infrastructure.
- Collaborate with IT teams to ensure security is integrated into all network design and deployment phases.
- Manage and update security configurations for routers, switches, and other network devices.
- Implement and maintain secure remote access solutions for employees and partners.
- Stay informed about the latest security threats, vulnerabilities, and mitigation techniques.
- Provide technical guidance and support on network security best practices.
- Contribute to the development and execution of disaster recovery and business continuity plans.
- Maintain accurate documentation of network security architecture, configurations, and procedures.
- Proven experience as a Network Security Engineer or in a similar security-focused role.
- In-depth knowledge of network protocols, TCP/IP, and network security principles.
- Hands-on experience with firewall management, VPN technologies, and IDS/IPS solutions.
- Familiarity with SIEM tools (e.g., Splunk, LogRhythm) and security monitoring techniques.
- Understanding of security vulnerabilities and common attack vectors.
- Excellent analytical and problem-solving skills.
- Strong communication and collaboration abilities.
- Ability to work under pressure and respond effectively to security incidents.
- Relevant certifications such as CISSP, CCNA Security, or equivalent are highly desirable.
- Experience with cloud security principles is a plus.
- Bachelor's degree in Computer Science, Information Technology, or a related field.
Network Security Engineer
Posted 3 days ago
Job Viewed
Job Description
NetworkSecurityEngineerContract
Location: FullyRemote
Rate: Upto£450perday(InsideIR35)
Duration: 6Months
AbouttheRole
WeareseekinganexperiencedNetworkSecurityEngineer tojoinona6-monthcontract .Thisisafullyremote role,offeringanopportunitytoworkonhigh-impactsecurityprojectsandinfrastructureinitiatives.Youllberesponsibleforstrengtheningthesecurityposture,managingcriticalsystems,andmitigatingrisksacrosscloudand.
WHJS1_UKTJ