Sustaining Mechanical Engineer (Engineering / Design Team)

Job Description

Job Description

Sustaining Mechanical Engineer (Engineering / Design Team)
Location: Natick, MA
Company: Busek Co. Inc.

Busek is a leader in innovative space propulsion technologies, specializing in electric and chemical propulsion systems. Our team pioneers advancements in space exploration by developing cutting-edge propulsion solutions for government and commercial applications.

We are seeking a Sustaining Mechanical Engineer with strong SolidWorks and mechanical design experience to support the development of advanced propulsion systems and spacecraft components. This role will involve both new product development and sustaining engineering , with a focus on making necessary adjustments to in-progress projects to optimize performance, manufacturability, and reliability . The ideal candidate will play a key role in designing, analyzing, testing, and refining mechanical assemblies for spaceflight applications .

• Design and develop mechanical components and assemblies using SolidWorks .

• Perform structural and thermal analyses to ensure the integrity of spaceflight hardware.

• Generate detailed engineering drawings, GD&T, and documentation for manufacturing.

• Support sustaining engineering efforts , making design modifications and refinements to ongoing projects as needed.

• Collaborate with multidisciplinary teams , including electrical and propulsion engineers, to integrate mechanical designs into larger systems.

• Support prototype fabrication, assembly, and testing to validate designs.

• Conduct trade studies to optimize designs for performance, weight, and manufacturability .

• Work with vendors and machinists to source and manufacture precision aerospace components.

• Ensure designs meet spaceflight requirements , including vacuum compatibility, thermal stability, and structural integrity .

• Bachelor’s or Master’s degree in Mechanical Engineering or a related field.

• 2+ years of experience in mechanical design, preferably in the aerospace industry or other high-tech fields.

• Strong experience in sustaining engineering , including adjusting and improving designs of in-progress projects.

• Proficiency with SolidWorks , including part and assembly modeling, drawings, and design for manufacturability.

• Experience with FEA analysis tools (e.g., ANSYS, SolidWorks Simulation ) for structural and thermal evaluations.

• Familiarity with aerospace hardware considerations , such as materials selection, vibration testing, and thermal management.

• Experience with NCRs (Non-Conformance Reports) and ECOs (Engineering Change Orders) .

• Strong vendor experience , particularly in working with aerospace machine shops .

• Ability to conduct vendor calls and coordinate component sourcing.

• Strong problem-solving skills and attention to detail .

• Ability to work both independently and collaboratively in a team environment.

• Competitive salary

• Medical, dental, and vision insurance

• Paid vacation and holidays

• 401(k) retirement plan

• Opportunities for professional development and career growth

If you're passionate about space technology, mechanical design, and refining cutting-edge aerospace propulsion systems , we encourage you to apply and join our mission to shape the future of space exploration.

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

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