Principal Cybersecurity Systems Engineer

Leidos Inc; Linthicum (MD); On-site; USD 154,050 - 278,475; Full time

Benefits offered by this job

Health and Wellness programs

Paid Leave

Retirement benefits

Job summary

Leidos Inc is seeking a qualified Sr. Systems Engineer to support a critical Information Assurance Program near Ft. Meade, MD. The successful candidate will have over 20 years of experience in System Engineering, a relevant Bachelor’s Degree and active TS/SCI with Poly Clearance.

This role involves conducting cybersecurity evaluations, developing system documentation, and providing support for complex systems. Visit www.leidos.com for more on our competitive compensation and comprehensive employment benefits.

Qualifications

• 20+ years of System Engineering experience.
• Excellent written and verbal communication skills a must.
• Active TS/SCI with Poly Clearance required.

Responsibilities

• Conduct cybersecurity high assurance evaluation activities.
• Participate in system engineering documentation development.
• Provide technical support for complex hardware/software systems.

Skills

System Engineering experience

Information Assurance/Cryptographic experience

Communication skills

Teamwork and leadership

Education

Bachelor's Degree in System Engineering or related discipline

Job description

Description

Are you seeking a new and challenging position supporting a complex, mission-critical Program? Well, look no further! 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

Original Posting: June 8, 2026

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.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.