Senior Systems Engineer (TS/SCI) - Defense & Space

Cornerstone Defense LLC; Aurora (CO); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

401(k) plan with company match

Tuition and training assistance

Paid vacation/leave

Fitness reimbursement program

College savings plan

Commuter benefits

Health savings accounts

Life and AD&D insurance

Job summary

Cornerstone Defense is seeking a Senior Systems Engineer in Aurora, Colorado. The role requires an Active TS/SCI clearance and offers a compensation range of $120,000–$150,000 per year.

The engineer will contribute to end-to-end system definitions, requirements management, and test architecture within a government contract environment. Responsibilities include analyzing system behavior, defining interfaces, supporting test programs, and participating in technical reviews.

Qualifications

• Bachelor's Degree in Science/Tech/Engineering/Mathematics with 5+ years of relevant experience.
• Experience across the System Engineering lifecycle with ConOps requirements and interface control.
• Development experience on a government contract.
• Experience with Agile principles and agile systems engineering.

Responsibilities

• Analyze and define how the system works, creating use cases.
• Decompose requirements and define system interfaces for verification by the test team.
• Provide engineering support for test program execution and architecture design.
• Support regression testing across program releases.
• Attend technical reviews and interchanges to support the program.

Skills

System engineering

Agile

ConOps

Requirements management

MBSE

DOORS

Education

Bachelor's Degree in STEM

Tools

Jira

Confluence

Bitbucket

Job description

Cornerstone Defense is seeking a Senior Systems Engineer in Aurora, Colorado. The role requires an Active TS/SCI clearance and offers a compensation range of $120,000–$150,000 per year.

The engineer will contribute to end-to-end system definitions, requirements management, and test architecture within a government contract environment. Responsibilities include analyzing system behavior, defining interfaces, supporting test programs, and participating in technical reviews.