Cybersecurity Systems Engineer
Company: Leidos
Location: Linthicum Heights
Posted on: April 1, 2026
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Job Description:
Ready to Protect What Matters Most? If you’re a seasoned Systems
Engineer with deep cybersecurity expertise and a passion for
safeguarding mission-critical systems, this is your opportunity to
make a real impact. Leidos is seeking a Cybersecurity Systems
Engineer to support a highly complex Information Assurance program.
In this role, you’ll work at the forefront of national security,
ensuring advanced systems meet the highest standards of security,
performance, and compliance. This is more than a job — it’s a
chance to influence system design, reduce risk, and protect
critical capabilities from evolving threats. What You’ll Do As a
trusted technical leader, you will: Contribute to the development
and evaluation of key systems engineering documentation, including:
Systems Engineering Plans Initial Capabilities Documents
Requirements Specifications Security requirements and security 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 perform both technical and
non-technical assessments Support planning and test analysis for
the DoD Certification & Accreditation (C&A) process and other
Government C&A processes Perform high-assurance cybersecurity
evaluation activities for devices undergoing certification Review
and assess security artifacts to ensure compliance with stringent
security requirements Clearly document security deficiencies and
provide actionable recommendations Translate vulnerability insights
into practical risk mitigation guidance Recommend improvements to
requirements, processes, and templates to strengthen overall
security posture Collaborate across teams and participate in
security-focused meetings and technical reviews What You Bring 8
years of Systems Engineering experience Bachelor’s degree in
Systems Engineering, Computer Science, Information Systems,
Engineering Science, Engineering Management, or 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 Bonus Experience Experience supporting Space, Weapon,
Ground, or Terminal system development or evaluation Direct
experience with DoD Certification & Accreditation (C&A)
processes Space Systems Engineering experience Why Leidos? At
Leidos, you’ll work alongside experts solving some of the nation’s
toughest security challenges. We empower our engineers to lead,
innovate, and influence mission outcomes in environments where
excellence is not optional — it’s essential. If you’re ready to
bring your expertise to a program where your work truly matters,
we’d love to hear from you. condmd If you're looking for comfort,
keep scrolling. At Leidos, we outthink, outbuild, and outpace the
status quo — because the mission demands it. We're not hiring
followers. We're recruiting the ones who disrupt, provoke, and
refuse to fail. Step 10 is ancient history. We're already at step
30 — and moving faster than anyone else dares. Original Posting:
February 26, 2026 For U.S. Positions: While subject to change based
on business needs, Leidos reasonably anticipates that this job
requisition will remain open for at least 3 days with an
anticipated close date of no earlier than 3 days after the original
posting date as listed above. Pay Range: Pay Range $107,900.00 -
$195,050.00 The Leidos pay range for this job level is a general
guideline only and not a guarantee of compensation or salary.
Additional factors considered in extending an offer include (but
are not limited to) responsibilities of the job, education,
experience, knowledge, skills, and abilities, as well as internal
equity, alignment with market data, applicable bargaining agreement
(if any), or other law.
Keywords: Leidos, Sterling , Cybersecurity Systems Engineer, Engineering , Linthicum Heights, Virginia
