Senior Systems Engineer — TS/SCI with Polygraph

Cornerstone Defense; Annapolis (MD); On-site; USD 265,000 - 285,000; Full time

Benefits offered by this job

Medical, Dental & Vision

Generous PTO

401(k) plan

HSA and FSA options

Life and Disability Insurance

Tuition Reimbursement

Travel Assistance

Norton Lifelock Benefit

Job summary

Cornerstone Defense in Annapolis Junction, MD, is seeking an Expert Systems Engineer to design, integrate, and maintain complex technical systems. The role requires active TS/SCI with polygraph and hands-on experience across lifecycle stages.

The successful candidate will translate requirements into robust system solutions, lead CONOPS development, and provide technical leadership within cross-functional teams while documenting interfaces and performance metrics.

Qualifications

• Bachelor's degree in engineering or relevant field plus 10 years of experience, or higher degrees with proportional experience.
• Lifecycle engineering experience across conception, design, development, testing, production, deployment, operation, and support.
• Technical leadership in interface design, data modeling, and system specifications.

Responsibilities

• Drive system-level requirements analysis and lead CONOPS development for complex programs.
• Architect and validate end-to-end system designs, including functional and physical architectures.
• Oversee value modeling, trade studies, and risk analysis for major design decisions.
• Define and approve test and evaluation frameworks, ensuring alignment with customer standards.
• Lead integration and acceptance testing for large-scale systems and mentor junior engineers.

Skills

Analytical skills

Attention to detail

Dynamic environment

Education

Bachelor's degree in engineering or relevant field

Master's degree in engineering or relevant field

Doctoral degree in engineering or relevant field

Job description

Cornerstone Defense in Annapolis Junction, MD, is seeking an Expert Systems Engineer to design, integrate, and maintain complex technical systems. The role requires active TS/SCI with polygraph and hands-on experience across lifecycle stages.

The successful candidate will translate requirements into robust system solutions, lead CONOPS development, and provide technical leadership within cross-functional teams while documenting interfaces and performance metrics.