Senior Mechanical Engineer

Busek
Natick, MA

Summary:

As a Senior Mechanical Engineer, you will support our Electrothermal Engineering team in a mixed design and production environment, delivering premier space flight projects. This role allows you to create and manage flight-critical hardware designs from initial concept to production. You will work in a highly collaborative team while also providing innovative solutions for advancing space technologies. Candidates should have prior experience in a complex manufacturing environment and a passion for cutting-edge space exploration.

About Busek Co. Inc.

Busek researches, develops, and produces technologies for challenging space missions, ranging from small spacecraft in low-earth orbit to CubeSats and probes exploring the moon and beyond. Our talented staff specialize in in-space propulsion, space-borne sensors, materials science, and high-fidelity electronic design. Busek's achievements include the first US Hall Effect Thruster in space, the first Micro-PPT Thrusters, and the first flight Electrospray Thrusters. We deliver both high-volume and custom, low-volume production for in-space propulsion components and systems, alongside pioneering novel technologies.

How you will make an impact:

  • Design flight-critical hardware for space propulsion systems.
  • Present and defend design choices and trade-offs to meet mission and project requirements.
  • Perform thermal modeling and analysis to ensure optimal system performance under extreme conditions.
  • Collaborate with engineers, researchers, and manufacturers across multidisciplinary teams.
  • Communicate with outside vendors for part fabrication and procurement.
  • Create high-quality engineering drawings and documentation to support production and testing.
  • Ensure designs comply with industry standards, project requirements, and reliability objectives.
  • Produce and maintain essential documentation for spaceflight hardware.

Desired skills:

  • Degree in Mechanical or Aerospace Engineering.
  • Hands-on experience in fabrication, assembly, or testing of mechanical systems.
  • Proficiency with SolidWorks and SolidWorks PDM (or similar revision control systems).
  • Strong working knowledge of ASME Y14.5 and geometric dimensioning and tolerancing (GD&T).
  • Experience in aerospace manufacturing processes such as precision welding, brazing, plating, heat treating, or finishing.
  • Background in thermal modeling and simulation.
  • FEA experience, preferably with ANSYS Mechanical.
  • Familiarity with MATLAB for data analysis and simulation.

The expected salary range for this position is $110,000 - $150,000. Actual compensation will be determined by the candidate’s experience, education, and alignment with organizational needs.


To comply with U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), employment at Busek requires that applicants be one of the following:

  • A U.S. citizen
  • A lawful U.S. permanent resident (i.e., current Green Card holder)
  • A refugee or an individual granted asylum in the U.S.
  • Or be eligible to receive the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable
  • For more information about ITAR regulations, visit this resource. Article - DDTC Public Portal

Posted 2025-11-25

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