51 to 75 of 107 Network Security Engineer Jobs

Responsibilities Designing, implementing, and overseeing network infrastructures Configuring, supervising, and enhancing firewalls, VPNs, IDS/IPS, and other security measures Investigating and mitigating network and security incidents Maintaining the reliability, efficiency, and protection of the network Offering expertise and assistance to internal teams … Recording and maintaining documentation of network infrastructure Partnering with external service providers Evaluating and deploying emerging technologies Qualifications A degree in computer science, information security, or an equivalent Extensive experience in network and IT security Proficiency with firewalls, VPN technologies, and intrusion detection/prevention Strong ...

Druck UK is seeking an IT Network Engineer to support the Leicester site. You will administer Windows servers, virtualization, storage, and backups; manage network security, VPNs, and cloud services as part of the IT team. You will work with the IT Manager and cross-functional teams ...

Datasource Recruitment is seeking a DV-cleared Network Engineer to join a team responsible for critical national infrastructure in London. The role focuses on enterprise routing, LAN switching, and network security across on-site environments. You will design, build, test, and maintain network infrastructure, implement … technologies, and collaborate with senior stakeholders to align with customer strategy while sustaining high security and resilience. #J-18808-Ljbffr ...

Junior Engineer (Cyber Security/Network Support) Location: Edinburgh – Hybrid (2 days on site per week) Salary: £39,000 + benefits Type: Permanent, Full-time Reporting to: Technical Manager The Opportunity Weworking with a growing cyber security specialist that helps public and private sector organisations reduce … cyber risk and get more value from their technology. They offer cyber security advice, professional services and managed services, and work closely with leading technology partners. They're now looking for a Junior Engineer to join an established technical team based at one of their key customers. ...

Hamilton Barnes Associates Limited is seeking a Senior Network Engineer to take technical ownership of design, implementation, and mentoring within a small engineering team. This home-based role includes occasional visits to our East London data centre and covers routing, switching, network security, wireless, cloud networking … Linux technologies. You will design, deliver, and support a hybrid network spanning on‐premises, data centre, and cloud environments, act as senior SME, mentor junior #J-18808-Ljbffr ...

Gujral is seeking a Senior Network Engineer with a strong security background focused on Cisco implementations in the City of London. The role combines BAU support with design of scalable, secure networking solutions across data centre and branch environments. The candidate will diagnose issues, remediate BAU events ...

Aspire Technology Solutions in Gateshead is seeking a 3rd Line Network Support Engineer to own complex network and security faults. You will work hands-on across our Fortinet and Extreme stack, with Cisco in customer environments, and serve as a trusted technical authority for the service ...

Line Network Engineer £43,000-£49,000 24 days holiday + bank holidays, pension, paid parking, phone allowance, funded training & certifications Manchester/Warrington - 1 day a week from home Travel to customer-site travel across the North West as required The Opportunity: If you enjoy getting into … complex network problems but also want to be the person designing and delivering the solution, this i click apply for full job details ...

Clear IT Recruitment Ltd is seeking an experienced Network Engineer for their Colchester, Essex office. You will ensure security, reliability and performance of the IT infrastructure across multiple sites, overseeing on-premises and cloud systems, servers and network architecture. You will implement and monitor security ...

Hargreaves Lansdown PLC in Bristol seeks a Network Engineer to own operation and security of HL's enterprise network. You’ll manage incidents, changes, patches and documentation, with hands-on work on Aruba Wi‐Fi, Zscaler ZIA/ZPA and Check Point Firewalls. Join a collaborative team … engage across Service Desk, Cyber Security and Cloud teams, and drive improvements to availability, resilience and performance in a hybrid working environment. #J-18808-Ljbffr ...

Space NK Limited in London is seeking a Network Engineer to support and modernise our network across Azure, on‐prem, and retail store environments. You will implement network controls, improve security, and drive cloud-enabled networking strategies in collaboration with Platform Engineering and Cyber Security ...

Place UK Ltd is seeking an Infrastructure & Network Engineer to secure and operate server, storage and network infrastructure across multiple sites. You will manage RADIUS/802.1X, Zero Trust access, firewalls, and backup/DR, while maintaining security standards and conducting regular DR tests. The role ...

Retail Company in London/Amsterdam (Hybrid) is seeking a Senior Network & Security Specialist for a 1-year fixed term contract. You will manage and scale the EMEA network across offices, stores, warehouses and showrooms, deploying Cisco Meraki and other cloud-managed equipment. The role requires 5+ … years of hands-on network engineering, strong cybersecurity experience, and expertise with Okta/Entra ID (SSO, MFA) and endpoint protection. #J-18808-Ljbffr ...

Onyx-Conseil is seeking a Senior Network Engineer in London to support BAU operations and deliver secure networking solutions. You will design and implement firewall policies, manage IPS deployments, and uphold global standards across data-centre and branch networks. The role requires strong Cisco expertise, experience with ...

Telefónica Tech in the United Kingdom is hiring a Level 3 Network Engineer to manage, maintain and support datacentre network infrastructure, perimeter security systems and management platforms. You will troubleshoot complex network issues, optimize performance and coordinate with internal teams and third-party partners. Responsibilities … include supporting LAN/WAN/WLAN, firewalls, VPN delivery controllers, maintaining accurate network documentation, and performing secure patching and day-to-day #J-18808-Ljbffr ...

OneAdvanced in the United Kingdom is seeking a Senior Network Engineer to join a customer-centric squad. You will design and implement network and security solutions across on-premise, cloud and hybrid environments, aligned with customer architectural teams. Ideal candidates will operate at CCNP/CCIE ...

Aquis Exchange PLC is seeking a capable Network Engineer to support, shape, optimise, and scale our low-latency trading infrastructure in London. You will join a small, expert Network team working across cloud, on-prem, and exchange platforms—contributing to strategic projects and hands-on engineering. … role requires strong problem-solving, client onboarding experience, and a proactive approach to improving network and security infrastructure. #J-18808-Ljbffr ...

Kyowa Kirin International plc in Marlow, UK is seeking an IT Security Engineer to strengthen our enterprise network, data centre and cloud security. This hands-on role collaborates with infrastructure and security teams to reduce cyber risk and improve resilience. You will design and implement security controls, participate in incident response, and help drive security practices across global teams. The position offers a competitive salary and a clear path to influence our security strategy. #J-18808-Ljbffr ...

Telefónica Tech UK&I in Belfast is seeking a skilled Network Engineer to lead the implementation, management, maintenance, and support of our network infrastructure and security platforms. You will work as part of a mature managed service team delivering projects and managed services to health sector ...

National Physical Laboratory seeks a Senior Network Engineer to lead on‐prem network design, deployment, and security within a hybrid infrastructure. You will manage Alcatel‐Lucent switches, Fortinet firewalls, and associated services, while coordinating with cybersecurity for secure, reliable connectivity across the UK site footprint. … work with virtualization, storage, and backup systems (e.g., VMware, Hitachi Storage Array, Rubrik, Nimble) and contribute to documentation and network #J-18808-Ljbffr ...

XACT Placements Ltd. is seeking a Junior Engineer to join a cyber security and network support team in Edinburgh. The role is hybrid with two on-site days weekly and a £39,000 base salary plus benefits. You will support IT services, help with a live digital … transformation, and grow skills in modern security technologies. Ideal candidates have a foundation in cyber security, service desk experience, and strong communication. #J-18808-Ljbffr ...

Wales & West Utilities Limited is seeking a skilled Network Engineer to support and secure its IT network across WAN, LAN, Wi-Fi, and firewalls in datacentres, Azure, and offices. You will drive proactive management, monitoring, and automation with a focus on security and uptime. You will … collaborate with Cyber Security and external partners, document network designs in LeanIX, and respond quickly to incidents. A CCNA or equivalent is required and AZ-700 is desirable. #J-18808-Ljbffr ...

General Dynamics Land Systems UK is seeking a full-time Senior Network Engineer at our Merthyr facility in Wales. The role offers a salary of £45,600 to £57,000, depending on experience, with a proactive, growth-focused mindset and strong team collaboration. The successful candidate will support … implement and maintain the UK network, drive security posture, and work across cross-functional teams to ensure reliable operations. #J-18808-Ljbffr ...

Kyowa Kirin International plc is seeking an IT Security Engineer in Marlow to strengthen our enterprise network, data centre and cloud security. This hands-on role collaborates with infrastructure and security teams to reduce cyber risk and respond to threats. The ideal candidate … years in security or infrastructure engineering, strong firewall/IDS/IPS skills, cloud familiarity (Azure/AWS), and scripting ability (PowerShell/Python). #J-18808-Ljbffr ...

Viasat is seeking a Senior Network Engineer to ensure reliable, secure, and scalable enterprise network operations across on‐premises and cloud environments. You will contribute to network architecture, deployment, and operational readiness, partnering with infrastructure, security, and application teams. The role requires deep networking expertise ...