Principal Cybersecurity Systems Engineer

Koitecc Solutions; Linthicum, Northern (MD, KY); Hybrid; USD 154,000 - 278,000; Full time

Job summary

Leidos is seeking a Senior Systems Engineer to support a mission-critical Information Assurance program near Fort Meade, MD. The role includes developing and evaluating system engineering documentation and supporting the DoD Certification/ Accreditation processes.

Responsibilities include cybersecurity high assurance evaluations, participating in security-related meetings, documenting deficiencies, and recommending process improvements to mitigate security concerns.

Qualifications

• 20+ years of System Engineering experience.
• Bachelor's degree in a related field; five years substitutable for a Bachelor's.
• Information Assurance/Cryptographic experience.
• Excellent written and verbal communication skills.
• Ability to work in a team environment and lead small teams.
• Active TS/SCI with Poly Clearance required.

Responsibilities

• Perform cybersecurity high assurance evaluation activities to ensure devices meet security requirements.
• Attend and participate in security-related meetings to translate vulnerability knowledge into risk guidance.
• Document security deficiencies found in the evaluation of artifacts and documents.
• Recommend requirement clarification and process/template improvements to mitigate security concerns.

Skills

System Engineering

Information Assurance

Cryptography

Communication

Team Leadership

TS/SCI Clearance

Education

Bachelor's Degree

Job 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

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

July 15, 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 $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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

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.