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

El Segundo, California; and other locations
Full Time On-site

Summary

Job Description

Job Description

At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate that’s welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us.

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 SummaryAs 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

This position must meet Export Control compliance requirements, therefore a “US Person” as defined by 22 C.F.R. § 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:

  • Level 1: $69,700 - $102,500

  • Level 2: $81,600 - $120,000

Millennium is DDTC-registered, ITAR-compliant Company. This position is located at a facility that requires special access. Applicants MUST be U.S. citizens and eligible for a security clearance. Additionally, applicants must be willing to apply for and maintain a security clearance. We encourage all interested candidates to apply for any open position for which they feel they are qualified

Applications for this position will be accepted until Jul. 06, 2026

Export Control Requirements:

This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a “U.S. Person” as defined by 22 C.F.R. §120.62 is required. “U.S. Person” includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.

Export Control Details:

US based job, US Person required

Education

Bachelor's Degree or Equivalent Required

Relocation

Relocation assistance is not a negotiable benefit for this position.

Security Clearance

This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. Secret Clearance Post-Start is required.

Visa Sponsorship

Employer will not sponsor applicants for employment visa status.

Shift

This position is for 1st shift

Equal Opportunity Employer:

Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.

About Boeing

Boeing

Boeing is one of the largest aerospace and defense companies in the world, supporting critical military, commercial aviation, space, and national security missions. With a long history of innovation, Boeing develops advanced aircraft, satellites, autonomous systems, defense platforms, and space technologies used by the U.S. military and allied partners worldwide. The company plays a major role in programs ranging from fighter aircraft and military helicopters to missile defense, space systems, and next-generation aviation technologies.

For job seekers, Boeing offers opportunities across nearly every area of aerospace and defense, including engineering, software development, cybersecurity, manufacturing, supply chain, program management, aviation maintenance, and defense operations. The company is especially attractive to veterans, cleared professionals, engineers, and candidates looking for mission-driven work with strong long-term career growth. Boeing also offers extensive training, leadership development, and opportunities to work on some of the most recognized aerospace programs in the world.

Unlike smaller defense firms focused on a single capability, Boeing provides employees exposure to a broad mix of commercial and defense technologies. Teams contribute to programs involving military aircraft, autonomous systems, satellites, advanced manufacturing, AI, and next-generation aerospace innovation. Employees often value the combination of large-scale engineering challenges, global impact, and the stability of a major industry leader.

As defense modernization, commercial aviation, and space investment continue to grow, Boeing remains one of the most recognized employers in aerospace and government contracting. For professionals seeking a mission-focused career with strong benefits, technical growth, and opportunities to work on world-changing technologies, Boeing continues to stand out as a leading destination in aerospace and defense.

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