Principal Cybersecurity Systems Engineer

Leidos

$154K — $278K *
Aerospace & Defense
15+ years of experience
Job Overview by Ladders

Qualifications

  • 20+ years of System Engineering experience required
  • Bachelor's Degree in System Engineering, Computer Science or related field from an accredited institution
  • Experience in Information Assurance/Cryptography
  • Strong written and verbal communication skills
  • Team leadership and collaborative work capability
  • Active TS/SCI with Poly Clearance required

Responsibilities

  • Conduct high assurance cybersecurity evaluations for certification and assessments
  • Review security evaluation documents to ensure compliance with security standards
  • Attend security-related meetings to translate vulnerability insights into actionable guidance
  • Document security deficiencies identified during evaluations
  • Recommend clarifications and improvements to security processes and templates

Benefits

  • Participation in a government certification and accreditation process
  • Collaboration with a team of experts in security and engineering
  • Access to cutting-edge technology and complex system integration challenges
  • Opportunity for professional growth in a critical area of defense and national security
Full Job Description
Leidos is currently looking to add a Sr. Systems Engineer to an Information Assurance Program near Ft. Meade, MD.

The successful candidate will participate in the development/evaluation of system engineering documentation, such as System Engineering Plans, Initial Capabilities Documents, Requirements Specifications, security requirements and security testing documents. Provide technical support for the development, engineering, interfacing, integration, and testing of specific components of complex hardware/software systems to include requirements elicitation, analysis and functional allocation, conducting systems requirements reviews, and performing technical/non-technical assessments. Support the planning and test analysis of the DoD Certification/Accreditation Process (as well as other Government Certification and Accreditation (C&A) processes.

Primary Responsibilities:

Perform cybersecurity high assurance evaluation activities to include reviews of security evaluation documents and other high assurance artifacts/documents for devices undergoing certification and assessment, to ensure devices meet security requirements. Attend and participate in relevant security-related meetings and reviews in an effort to translate vulnerability knowledge into guidance to prevent and/or manage risk. Clearly document security deficiencies found in the evaluation of artifacts and documents. Recommend requirement clarification and process/template improvement to mitigate security concerns.

Qualifications:
  • 20+ years of System Engineering experience
  • Bachelor's Degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required. Five (5) years of additional SE experience may be substituted for a Bachelor's Degree.
  • Information Assurance/Cryptographic experience
  • Excellent written and verbal communication skills a must
  • Ability to work in a team environment and lead small teams
  • Active TS/SCI with Poly Clearance required


You Might Also Have:
  • Experience in Space/Weapon/Ground/Terminal system development and or evaluation
  • DoD Certification/Accreditation Process (as well as other Government Certification and Accreditation (C&A) processes.
  • Experience in Space System Engineering


conmd

CABASAW

Original Posting:
June 8, 2026

Pay Range:
Pay Range $154,050.00 - $278,475.00

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.

Similar Jobs

More Jobs at Leidos

More Aerospace & Defense Jobs

Find similar Principal Cybersecurity Systems Engineer jobs: