Spacecraft Mechanical Engineer (Entry-Level) - Millennium Space Systems

Millennium Space Systems; El Segundo (CA); On-site; USD 70,000 - 120,000; Full time

Job summary

Millennium Space Systems, a Boeing Company, is seeking a Spacecraft Mechanical Engineer to handle mechanical design and configuration of satellite structures. You will work on primary and secondary structures, ground support interfaces, and deployment mechanisms, ensuring survivability through development and operations lifecycles.

The role requires 1–5 years of SolidWorks experience and familiarity with spacecraft materials and fabrication processes; TS/SCI clearance is preferred.

Qualifications

• Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
• 1-2 years of hands‑on fabrication experience (personal hobby projects, classwork, or extracurricular design clubs included).
• Familiarity with mechanical design of spacecraft, e.g. materials, environments, and manufacturing processes.

Responsibilities

• Perform structural design and configuration tasks necessary to deliver high performance satellite systems.
• Perform first order layout and mass properties analyses.
• Support procurement of materials and components.
• Identify processes, tests, and manufacturing tools necessary to deliver a qualified spacecraft structure and components.
• Work to subsystem schedule and deliverables.
• Develop first-order structural models in support of mechanical design performance predictions.
• Support structural qualification testing on spacecraft systems and components including test design, test conduct, and interface equipment for unit under test.
• Document, analyze, and troubleshoot unexpected discrepancies in mechanical designs.
• Produce part and assembly drawings to facilitate Assembly, Test, and Launch Operations.
• Other duties as assigned.

Skills

SolidWorks

Fabrication experience

Mechanical design familiarity

Education

Bachelor’s degree in Mechanical Engineering (or related)

Tools

SolidWorks

3D CAD

Job description

Company

Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have direct impact to global security, like missile warning and Earth observation.

Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because we challenge the status quo. And when we watch our satellites launch, we know each one of us made it happen.

Job Summary

As a Spacecraft Mechanical Engineer, you will be responsible for mechanical design and configuration of satellite structures. The parts and systems you may work on will range from spacecraft primary and secondary structure, to ground support equipment interfaces and integration accommodations, to pointing mechanisms and deployable structures. Your designs will ensure that our space vehicles survive their complete development and operational lifecycles, including prototyping, test, transport, launch, and long-term operations.

This position’s internal job code is Mech Sys Design & Anlys Engr. Our team is currently hiring for levels 1-2.

Responsibilities

• Perform structural design and configuration tasks necessary to deliver high performance satellite systems
• Perform first order layout and mass properties analyses
• Support procurement of materials and components
• Identify processes, tests, and manufacturing tools necessary to deliver a qualified spacecraft structure and components
• Work to subsystem schedule and deliverables
• Develop first-order structural models in support of mechanical design performance predictions
• Support structural qualification testing on spacecraft systems and components including test design, test conduct, and interface equipment for unit under test
• Document, analyze, and troubleshoot unexpected discrepancies in mechanical designs
• Produce part and assembly drawings to facilitate Assembly, Test, and Launch Operations
• Other duties as assigned

This position is expected to be 100% onsite. The selected candidate will be required to work onsite at one of the listed location options.

Security Clearance And Export Control Requirements

• 120.15 is required. “US Person” includes US Citizen, lawful permanent resident, refugee, or asylee.

Minimum Qualifications

• Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field
• 1-5 years of experience with SolidWorks or equivalent 3D CAD package
• 1-2 years of hands‑on fabrication experience (personal hobby projects, classwork, or extracurricular design clubs included)
• Familiarity with mechanical design of spacecraft, e.g. materials, environments, and manufacturing processes

Preferred Qualifications

• 1-3 years of experience with mechanical design
• Ability to design, develop, implement, and test structural systems and/or mechanism designs
• Demonstrate clear communication and organizational skills
• Active TS/SCI Clearance

Conflict Of Interest

Successful candidates for this job must satisfy the Company’s Conflict of Interest (COI) assessment process

Drug Free Workplace

Millennium Space Systems, a Boeing Company, is a Drug Free Workplace (DFW) where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.

Shift

• This role will be on 1st shift

Total Rewards

At Millennium Space Systems, a Boeing Company, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities.

Millennium Space Systems also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work.

The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements.

Pay is based upon candidate experience and qualifications, as well as market and business considerations.

Summary Pay Range

• $69,700 - $102,500
• $81,600 - $120,000

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