Security Engineer in Farnborough

Location: F/T Onsite to Farnborough, UK

Clearance Level: High - Developed Vetting (DV)

Leidos delivers innovative solutions through the efforts of diverse and talented people dedicated to customers’ success. We empower teams, contribute to communities, and operate sustainably. Are you ready for your next challenge?

Leidos seeks a Cyber Security Engineer with extensive infrastructure engineering background and coding skills. Lead initiatives to integrate security throughout the development lifecycle, ensuring robustness and compliance of applications and infrastructure. Work across infrastructure and security space reporting into the System Technical Lead and the Cyber Security Engineering Lead.

• COTS Application Updates: Support the update process for Commercial Off-The-Shelf (COTS) applications, ensuring compatibility and security.
• Vulnerability Scanning: Conduct regular assessments of environments to identify vulnerabilities.
• Security Definition Updates: Manage and update security definitions across platforms.
• Vulnerability Analysis: Analyse assessment reports and implement changes.
• Security Daily Checks: Perform thorough daily checks of security components.
• System Health Checks: Conduct daily system health checks to ensure servers function optimally.
• Capacity Checks & Reporting: Monitor local system capacity and suggest improvements.
• Patching: Support application patching to resolve security issues and enhance performance.
• Log Management: Oversee log archiving and deletion processes.
• Account Management: Update local admin account passwords and manage policies.
• Resource and System Monitoring: Implement and manage monitoring tools.
• Backup Management: Ensure local server backups are conducted regularly.
• Documentation and SOPs: Review and update engineering documents and SOPs periodically.
• Reboots and Preventative Maintenance: Schedule and execute server and application reboots.
• Platform Health Check: Perform full audits of all technologies for interoperability and patch compliance.
• PKI and Secrets Management: Oversee daily checks of Public Key Infrastructure and manage secrets securely.
• Vulnerability Assessment: Execute comprehensive vulnerability scanning on all applications and lead analysis and triage of findings.
• Code Review: Review code for potential security issues prior to production releases.

• Infrastructure hardening/maintenance/engineering
• Microsoft & Linux/Unix
• Virtualisation technologies (VMWare)
• Endpoint Security Products (e.g. Symantec, Trellix)
• Network Security (Firewalls)
• Vulnerability Scanning
• Code Analysis (Java, PowerShell etc)

• Experience working in both delivery and proposal environments.
• Experience working in MOD or Home Office project environments.
• Proven track record as a 3rd line infrastructure engineer.
• Solid experience in developing and automating processes.
• Working knowledge of SecDevOps tools and methodologies.
• Excellent analytical and problem‑solving skills.
• Strong communication and documentation abilities.
• Hands on experience with SIEM solutions (Splunk, ArcSight, LogRhythm).

• Experience speaking to and working with leadership and ability to write reports and present in security working groups.
• Excellent verbal and written communication skills and works well in a team environment.
• Capable of developing and communicating reports to meet defined objectives for intended audience.
• A good level of commercial awareness and project disciplines.

• British – Non-dual national – many of our projects have nationality restrictions.
• DV cleared or willing to go through DV Clearance.

At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work‑life balance.

• Contributory Pension Scheme
• Private Medical Insurance
• 33 days Annual Leave (including public and privilege holidays)
• Access to Flexible benefits (life assurance, health schemes, gym memberships, annual buy/sell holidays and a cycle to work scheme)
• Access to Flexi‑time benefits

We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant laws. Leidos is an equal opportunity employer/disability/vet.

£60,100.00 – £77,000.00

Pay range is a general guideline only; additional factors considered in extending offer include responsibilities, education, experience, knowledge, skills, and abilities, internal equity, alignment with market data, etc.