Sr./Pr. Systems Engineer MBSE TS/SCI

Senior & Principal Systems Engineer (MBSE)

📍 Aurora, CO (2 openings)

🔒 Active TS/SCI (CI Polygraph preferred, must be eligible)

🇺🇸 U.S. Citizenship Required – No Sponsorship Available

💰 $140K – $169K (level dependent) full benefits relocation

About the Company

This role is managed by Talent Stack LLC, a woman-owned recruiting firm specializing in senior-level cleared and technical placements. We represent a confidential defense customer supporting mission-critical national security programs. This is a full-time, direct placement opportunity.

Benefits

• Medical, Dental, Vision

• 6 weeks PTO

• Short-Term Disability

• 401(k) with 5% company match

• Up to $8,000 relocation assistance (grossed up, paid on first paycheck)

• Full benefits package available upon request

About the Opportunity

We are hiring Senior and Principal Systems Engineers (MBSE) to support enterprise-level systems engineering, architecture, and integration across complex, multi-domain environments.

This is a hands-on role for engineers who have applied MBSE in real-world DoD/IC programs—not just conceptually—and can operate across technical teams and stakeholders to drive outcomes.

What You’ll Do

• Apply Model-Based Systems Engineering (MBSE) to define and manage system architecture

• Develop and maintain system models using Cameo Systems Modeler (or similar tools)

• Ensure full requirements traceability from concept through implementation

• Support system integration, interface management, and validation activities

• Leverage Digital Engineering practices to improve design, integration, and test workflows

• Collaborate across Government, SETA, and contractor teams

• Utilize modeling and simulation to evaluate system performance

Required Qualifications

• Bachelor’s or Master’s degree in a STEM field

• Hands-on experience applying MBSE using Cameo or equivalent tools

• Strong understanding of Digital Engineering practices and toolchains

• Experience supporting classified DoD or Intelligence Community programs

• Ability to work across engineering teams and program stakeholders

• Programming experience (Python preferred)

• Active and transferable TS/SCI clearance (CI Polygraph preferred)

• U.S. Citizenship required

Preferred Qualifications

• Experience with systems integration, installation, or test activities

• Familiarity with RFC/change management processes

• Experience with JIRA, Confluence, or similar collaboration tools

• Experience working across multiple contracts or distributed teams

• Strong written and verbal communication skills

Leveling

• Senior (P3): 6 years of experience

• Principal (P4): 8 years of experience

Clearance Requirement

This position requires an active and transferable TS/SCI clearance. A CI Polygraph is preferred. Candidates without the required clearance will not be considered.

Recruitment Agencies Disclaimer

This role is represented exclusively by Talent Stack LLC.

• No third-party submissions, C2C, or staffing agency referrals will be accepted

• Any unsolicited resumes submitted without prior written authorization will be considered the property of Talent Stack LLC

• Talent Stack LLC will not be responsible for any fees associated with unsolicited submissions

• Candidates submitted through multiple channels or duplicate submissions may be disqualified from consideration