Systems Engineer; Modeling/Simulation
Listed on 2026-07-08
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Engineering
Systems Engineer
Overview
Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are known for continuous innovation for our government customers, both in the US and abroad. Our exceptionally talented team is highly collaborative, producing results that matter. SPA:
Objective. Responsive. Trusted.
The Strategic Division (SD) supports high-reliability organizations including Navy Strategic Systems Programs (SSP), Air Force Nuclear Weapons Center, and the Department of Energy (DOE). Our support includes data analytics, threat analysis, risk management, modeling and simulation, cost estimating, earned value management, program management, system engineering, independent evaluation, and high consequence event prevention.
The Sentinel Intercontinental Ballistic Missile Group (SIG) supports the Air Force Nuclear Weapons Center in the acquisition of the LGM-35A Sentinel (GBSD) ICBM. SIG delivers program management, systems engineering, and subject matter expertise to ensure on-time delivery of a safe, secure, and reliable strategic nuclear weapon system, and is conducting an immediate hire for a Modeling and Simulation engineer supporting the MMIII program.
Responsibilities- Provide improvements to the Government Flight Simulator – Minuteman III (GFS‑M).
- Update a highly complex 6‑Degree of Freedom simulation software tool.
- Develop, maintain, and modify software tools to evaluate vehicle performance.
- Provide engineering support to investigate off‑nominal vehicle performance through Monte Carlo analysis.
- Perform mass properties evaluations in support of design change assessments.
- Perform missile system, missile vehicle body dynamics, and performance analyses.
- Maintain physics‑based engineering models and perform statistical analyses.
- Publish various briefing materials and reports.
- Ability to work full‑time at Hill AFB in Utah.
- Active SECRET clearance with ability to obtain TS/SCI.
- Bachelor of Science in an Engineering field from an ABET accredited program or in Computer Science.
- 4+ years of direct related experience, including experience in developing and maintaining 6‑Degree of Freedom software tools.
- Experience with analysis and software programming.
- Background in structural, thermal, fluids, dynamics analyses.
- Technical writing and presentation skills.
- Bachelor of Science in Aerospace or Mechanical Engineering.
- Matlab, C, C++, Python, Fortran, and/or Ada programming languages are desired.
- NASTRAN experience is desired.
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