Cyber Security Engineer

We Need You... Join Our Talent Community : Leidos UK & EUROPE are always on the lookout for talented individuals to join our company and would love to hear from you. If you cannot see a vacancy on our careers page that matches your current requirements, please register your interest in Leidos UK & EUROPE, by submitting an application via ‘ Join Our Talent Community’ on the UK careers page and we will be in touch as soon as a role matching your skill set becomes available.

Due to growth within UK programmes, we will need talented Cyber Security Engineers throughout the course of 2026… UNLEASH YOUR POTENTIAL At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Location: Future vacancies could be available in Bristol, Farnborough or Whiteley (Hampshire). Are your ready for your next challenge?

Overview: Cyber Security Engineers are responsible for providing cybersecurity engineering services for classified and unclassified networks of computer systems.  The Cyber Security Engineers will provide operational and engineering support. Tasks will include: Develop creative solutions to complex technical issues and problems Work with the engineering teams to ensure systems remain at the required security posture against baseline requirements Work with the Security Monitoring engineering team to ensure logs are forward to the SIEM capability Work with the customer and appropriate agencies to develop new policies, design processes, and procedures, and develop technical designs Assess system vulnerabilities, implement risk mitigation strategies, validate secure systems, and test security products and systems to detect security weakness Maintain and support security enforcing functions Core Skills: Experience working in MOD or Home Office project environments Strong knowledge of network and system security, including firewalls, IDS/IPS, micro-segmentation, and host security. Hands on experience with the following security products Trellix, Ivanti, ClearSwift, Yubikey Understanding of secure coding practices and common vulnerabilities (OWASP Top 10, SANS Top 25). Expertise in identity and access management (IAM), including RBAC, ABAC, JWT and Cookie based authentication. Incident detection and response in MOD environments. Security compliance and regulatory frameworks (e.g., NIST, CIS Benchmarks). Experience working with Kubernetes at an administrative level Soft Skills: Strong leadership and mentoring abilities. Effective communication with development, operations, and security teams. Ability to advocate for security best practices in a DevOps culture. Desirable Skills: Containerization Security Expertise in Kubernetes security (e.g., RBAC, network policies, pod security standards, secrets management). Knowledge of container runtime security (e.g., container escapes, rootless containers, sandboxing). Image security best practices, including scanning, signing, and provenance verification. Secure deployment patterns using Tanzu & Kubernetes. Runtime security monitoring. DevSecOps & CI/CD Security Secure CI/CD pipeline design with security testing using like Git and SonarQube. Implementation of Infrastructure as Code (IaC) security (e.g., Terraform, Ansible). Secrets management in CI/CD pipelines using Vault or Kubernetes Secrets. Security automation and policy enforcement using tools like GitHub Actions, GitLab CI and Jenkins. Cloud & Infrastructure Security Strong knowledge of cloud security principles in a containerised environment. Kubernetes security posture management (KSPM) using tools like Trivy. Secure ingress/egress controls, service mesh security (e.g., Istio).