Salary: £24,000 - 39,000 per year Requirements: British nationality (non-dual) as many projects have nationality restrictions DV Clearance or willingness to undergo DV Clearance Experience in delivering accredited security solutions in sensitive government scenarios Strong grasp of Confidentiality, Integrity, Availability & Safety (CIAS) with practical risk management experience Experience in assurance processes for secure/sensitive systems using structured risk analysis Knowledge of NIST-based Information Security Management System (ISMS) controls and processes Experience in maintaining security documentation sets (SyOPS, RMADs, Security Management Plans, etc.) Understanding of IT systems engineering lifecycle and related processes (requirements management, configuration management, testing, assurance) Familiarity with methodologies including Waterfall, Incremental, SAFE, DevOps Proven experience in managing ITHC activities from initial scoping through remediation Experienced in developing and managing Cyber Incident Response capabilities Proven experience in designing and delivering Security Awareness programs Understanding of network and boundary protection principles Familiarity with Protective Monitoring systems and deployment principles Knowledge of authentication & authorization technologies Understanding of encryption protocols and structures Excellent verbal and written communication skills Strong commercial awareness and disciplined project management approach Responsibilities: Provide support for customer programs including PITSM, MPS, HOB, across various sectors including Logistics and National Security Deliver robust, well-managed assurance solutions for sensitive programs Conduct extensive third-party and customer liaison, requiring strong communication and relationship-building skills Engage in flexible scheduling and prioritization to maintain service quality Support the development of information assurance opportunities and tools Contribute to NIST compliant risk assessment methodology and tooling developments Be responsible for project outcomes concerning Cyber Assurance Assist with career planning and personal development for junior team members Support wider Leidos security capability beyond Information Assurance Join a multifaceted cyber team and engage with various projects across the UK Technologies: DevOps Support Network Security AI LDAP Machine Learning SAML More: We are Leidos, a company dedicated to making the world safer, healthier, and more efficient through technology and engineering innovations. Our team in the UK tackles complex challenges in national security, defense, and logistics, offering meaningful careers and fostering a collaborative culture. We prioritize our employees career goals and promote a healthy work-life balance with a competitive employment package, including a contributory pension scheme, private medical insurance, generous annual leave, and flexible benefits. We are committed to diversity and provide an inclusive environment where every individual is valued. Join us in our mission to outthink, outbuild, and outpace the status quo. last updated 16 week of 2026