Cyber Defence Network Engineer

Reference: eklsbko4nr9s2od1zm89

We are seeking a Cyber Defence Network Engineer to help protect critical infrastructure, services and data against evolving cyber threats. You will design, implement and maintain secure network architectures across on-premises and cloud environments, ensuring that security controls support operational resilience and business continuity. The role will involve working closely with cybersecurity, infrastructure and service teams to identify vulnerabilities, strengthen defensive capabilities and respond effectively to security incidents.

Key responsibilities will include configuring and managing firewalls, intrusion detection and prevention systems, secure remote access, network segmentation, proxy services and other protective technologies. You will monitor network activity, investigate alerts, analyse traffic and log data, and contribute to the detection, containment and remediation of suspected attacks. You will also support vulnerability assessments, penetration testing, threat-hunting activities and the implementation of security improvements. Maintaining accurate technical documentation, producing risk and performance reports, and ensuring that network controls meet relevant security policies and regulatory requirements will be an important part of the role.

The successful candidate will have demonstrable experience in network security engineering, cyber defence or a closely related field, with strong knowledge of TCP/IP, routing and switching, DNS, VPNs, firewalls and common network protocols. Experience with security monitoring platforms, SIEM solutions, IDS/IPS technologies, cloud networking and automation or scripting would be highly desirable. You should be comfortable analysing complex technical issues, prioritising incidents and communicating clearly with both technical and non-technical stakeholders. Relevant professional certifications in networking or cybersecurity are advantageous. A methodical approach, strong problem-solving skills, attention to detail and a commitment to continual learning are essential, along with the ability to work collaboratively and participate in an incident response or on-call rota when required.

COMPETITIVE SALARY
Added 25/09/2026
Reference: eklsbko4nr9s2od1zm89

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