Cybersecurity Systems Engineer

Leidos • Linthicum Heights, MD

5d

About The Position

Leidos is seeking a Cybersecurity Systems Engineer to support a highly complex Information Assurance program. The role focuses on protecting mission-critical systems by influencing system design, reducing risk, and ensuring advanced systems meet security, performance, and compliance standards. The engineer provides technical leadership across systems development, integration, testing, and high-assurance cybersecurity evaluations, while collaborating with teams on security-focused technical reviews.

Requirements

• Eight years of Systems Engineering experience.
• Bachelor’s degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related field; five additional years of Systems Engineering experience may substitute for a degree.
• Strong background in Information Assurance and/or cryptographic systems.
• Exceptional written and verbal communication skills.
• Experience working in collaborative team environments and leading small technical teams.
• Active TS/SCI with Polygraph clearance.

Nice To Haves

• Experience supporting Space, Weapon, Ground, or Terminal system development or evaluation.
• Direct experience with DoD Certification & Accreditation (C&A) processes.
• Space Systems Engineering experience.

Responsibilities

• Contribute to the development and evaluation of Systems Engineering Plans, Initial Capabilities Documents, requirements specifications, and security requirements and test documentation.
• Provide technical leadership across system development, integration, and testing activities.
• Lead requirements elicitation, analysis, and functional allocation efforts.
• Conduct systems requirements reviews and technical and non-technical assessments.
• Support planning and test analysis for DoD Certification & Accreditation (C&A) and other Government C&A processes.
• Perform high-assurance cybersecurity evaluation activities for devices undergoing certification.
• Review and assess security artifacts for compliance with stringent security requirements.
• Document security deficiencies and provide actionable recommendations.
• Translate vulnerability insights into practical risk-mitigation guidance.
• Recommend improvements to requirements, processes, and templates to strengthen security posture.
• Collaborate across teams and participate in security-focused meetings and technical reviews.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior