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Principal Cybersecurity Engineer
Leidos
2 LocationsPosted Oct 14, 2026 · 3h ago$131K – $237K
Full-time$131K – $237KPrincipalDefense
About this role
Leidos is seeking a Principal Cybersecurity Engineer to protect critical information systems and networks from cyber threats. You will design, implement, and maintain security controls, collaborate with cross-functional teams throughout the DevSecOps lifecycle, and ensure compliance with cybersecurity policies. This role offers a chance to make a significant impact on national security.
What we are looking for
6- Plan, implement, and manage security controls and tools
- Design, configure, and troubleshoot security technologies like firewalls and SIEM platforms
- Support incident response and vulnerability management efforts
- Collaborate with DevSecOps teams to integrate security
- Conduct system audits for compliance with cybersecurity standards
- Active TS/SCI with Polygraph required
Skills mentioned
6PythonReactAWSGCPLinuxCI/CD
Work authorization
Requires a Ts Sci security clearance.
