Senior Expert Systems Engineer — TS/SCI w Poly

Cornerstone Defense LLC; Annapolis, Northern (MD, KY); Hybrid; USD 265,000 - 285,000; Full time

Benefits offered by this job

Medical/Dental/Vision

Generous PTO

401(k)

HSA/FSA

Life/Disability Insurance

Tuition Reimbursement

Perks at Work

Referral Program

Leads Generation

529 Plan

Fitness Reimbursement

Travel Assistance

Norton LifeLock

Financial & Legal Services

Job summary

Cornerstone Defense LLC in Annapolis Junction, MD, is seeking an Expert Systems Engineer to lead the design, integration, and maintenance of complex systems, ensuring reliability and mission alignment. This role collaborates across engineering teams to translate requirements into robust solutions.

Qualifications include a Bachelor’s degree with 10 years of experience or higher, or an advanced degree with several years in lifecycle engineering.

Qualifications

• Bachelor’s degree in engineering or relevant field plus 10 years of relevant experience, OR Master’s degree plus 8 years of relevant experience, or a Doctoral degree plus 6 years of relevant experience.
• Relevant experience must be in engineering systems over their lifecycle (conception, design & development, testing, production, deployment, operation, maintenance & support, decommissioning).

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.
• Serve as a technical authority for interface design, data modeling, and system specifications.
• Apply advanced engineering principles to optimize system performance.
• Provide lifecycle management guidance on upgrades and technology insertion.
• Represent the organization in customer and vendor engagements, ensuring technical compliance and innovation.

Skills

TS/SCI clearance

Systems engineering

Requirements analysis

CONOPS development

System architecture

Test & Eval

Lifecycle management

Vendor collaboration

Technical leadership

Documentation

Education

Bachelor's degree in engineering or relevant field

Master's degree in related field

Doctoral degree in related field

Job description

Cornerstone Defense LLC in Annapolis Junction, MD, is seeking an Expert Systems Engineer to lead the design, integration, and maintenance of complex systems, ensuring reliability and mission alignment. This role collaborates across engineering teams to translate requirements into robust solutions.

Qualifications include a Bachelor’s degree with 10 years of experience or higher, or an advanced degree with several years in lifecycle engineering.