Thermal Engineer

SGS_JOB_2308

Engineering
 Massachusetts
Thermal Desktop
ANSYS
COMSOL
ICEPAK
CAD Software
Thermal Analysis
Thermal Vacuum Testing
Space Systems
Thermal Model Development

Contract - 03 Years

Location: Lexington, MA Work Location: Hybrid - Initially onsite 4-5 days/week for 6 months; afterward 3-4 days/week onsite. Clearance: Secret clearance required to start; candidate must be eligible for Top-Secret SCI clearance. Interview Process: Initial pre-screen with hiring manager, followed by group technical interview. Final interview may be onsite if local. Strong background and experience with commercial thermal analysis software tools including Thermal Desktop, Ansys, COMSOL, and CAD software. Responsible for developing geometry-based thermal models, applying physical and optical properties, accounting for critical mounting interfaces, applying dissipative heat loads, and executing thermal analyses to ensure safe operating temperature levels. Supports decision making in system design architecture and overall thermal management. Evaluates, selects, and procures thermal control hardware, participates in developmental and qualification testing. Carries out system-level and detailed thermal design, analysis, and testing on optical and communication systems including supporting electronics. Projects range from platform-level analyses to sensor assembly to detailed components. Background/Need: The Structural & Thermal-Fluids Engineering Group provides innovative multidisciplinary engineering solutions through advanced mechanical and aerospace technologies. The Group requires a Thermal Engineer to support the design, analysis, and testing of prototype systems across environments including ground, underwater, airborne, and space for national security applications. Systems include high power dissipating components such as laser terminals, RF components, and computing platforms.

Job Responsibilities:

  • Develop geometry-based thermal models using commercial software (Thermal Desktop, Ansys, COMSOL).
  • Apply physical and optical properties and account for critical mounting interfaces.
  • Apply dissipative heat loads and execute thermal analyses to maintain safe operating temperatures.
  • Support system design decisions and overall thermal management strategies.
  • Evaluate, select, and procure thermal control hardware components.
  • Participate in developmental and qualification thermal testing.
  • Conduct system-level and detailed thermal design, analysis, and testing on optical, communication, and electronic systems.
  • Perform thermal radiator sizing and placement for satellites and space payloads.
  • Develop architectures for cooling high-powered components.
  • Track component thermal margins relative to requirements.
  • Assess transient thermal system behavior in space environments.
  • Plan and execute thermal vacuum (TVAC) tests for model correlation and requirements verification.

Skills:

  • Thermal Engineering, Thermal Architecture, Thermal Desktop, ANSYS, COMSOL, ICEPAK, CAD Software, Thermal Analysis, Thermal Vacuum Testing, Space Systems, Thermal Model Development, Thermal Testing, Thermal Control Hardware, Thermal Radiator Sizing, Finite Element Modeling (FEM), Finite Difference Modeling (FDM), Thermal Margin Tracking, Transient Thermal Analysis, Thermal Simulation, Environmental Testing, Heat Load Application, Thermal Design, Thermal System Verification
  • Strong thermal engineering background with thermal architecture design, analysis, and testing for space systems.
  • Demonstrated expertise with thermal modeling software (ANSYS, COMSOL, Thermal Desktop, ICEPAK).
  • 10+ years of experience in thermal engineering and analysis.
  • Master’s degree in engineering or related field.
  • Ability to independently manage multiple fast-paced programs.
  • Experience with thermal vacuum (TVAC) test design and execution.

Education/Experience:

  • Bachelor’s degree in engineering, Mechanical Engineering, Aerospace Engineering, Physics, or related STEM field — Required
  • Master’s degree in engineering or related discipline — Preferred

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