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Systems Engineer
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Location
In office (Chantilly)
Confirmed on the employer's own hiring board on Nov 12, 2026. First seen by Alion on Nov 11, 2026. XMSTART scores B on the Alion truth index.
Overview
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XMSTART is an employee-owned professional services and defense contracting firm specializing in systems engineering, data analytics, IT management, and mission-critical support. Headquartered in Fairfax, Virginia, the company delivers specialized technical and program management expertise to various national security and defense agencies. Through a multidisciplinary team of engineers and technical professionals, the enterprise provides strategic consulting, acquisition support, and complex technical solutions for government operations.
XMSTART is looking to add experienced and strategic full-time Systems Engineers (SE) to our teams in Chantilly, VA and Aurora, CO. These positions are 100% onsite.
The SE supports the full lifecycle of mission and enterprise systems by helping define requirements, access technical solutions, coordinate integration and testing, and maintain technical documentation and baselines.
Responsibilities may include but are not limited to:
- Supporting requirements development, traceability, and change management
- Assisting with system architecture, interface definition, and design reviews
- Supporting integration, verification, validation, and transition activities
- Maintaining technical documentation, baselines, and engineering artifacts
- Coordinating with government, contractor, and cross-functional teams to resolve technical issues
- Gathering and analyzing metrics to support continuous improvement and end-to-end engineering
Requirements
- An active TS/SCI with Poly
- Junior - 0 to 5 years of Experience, Intermediate - 5 to 10 years of Experience, Senior - 10+ years of experience
- Experience in systems engineering, systems integration, or related technical disciplines
- Ability to communicate technical information clearly in written and verbal form
- Familiarity with engineering documentation, testing, and configuration management practices
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