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Spacecraft Propulsion Engineer (Entry-Level) Millennium Space Systems

Boeing


Job Location:

El Segundo, CA - USA

Monthly Salary: $ 79050 - 116250
Posted: 28 August 2026 (8 hours ago)
Application Deadline: 25 November 2026
Vacancies: 1 Vacancy

Job Summary

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

Company:

Millennium Space Systems

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 Propulsion Engineer you will be responsible for the design analysis and configuration of the satellite propulsion subsystem. Your support for the propulsion system will include the design build and procurement of the core propulsion systems required on most spacecraft including individual components and assemblies for flight ground support and test equipment. Your designs will ensure that our space vehicles survive their complete development and operational lifecycles including prototyping test transport launch and operations.

This positions internal job code is Propulsion Engineer. Our team is currently hiring for levels 1 - 2

Responsibilities

  • Perform propulsion design and configuration tasks necessary to deliver high performance satellite systems

  • Perform first order layout and mass properties analyses of propulsion systems

  • Identify materials processes and facilities necessary to deliver a qualified propulsion system

  • Perform procurement of propulsion components author specifications and manage subcontractors and suppliers according to cost and schedule targets

  • Support propulsion qualification testing on propulsion systems and components including test design test conduct and interface equipment for unit under test

  • Produce part and assembly drawings to facilitate Assembly Test and Launch Operations

  • Prepare and deliver written and oral technical presentations to company executives and customers

  • Identify and track subsystem schedule and deliverables

  • Develop and document required design processes

  • 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 Person includes US Citizen lawful permanent resident refugee or asylee.

Minimum Qualifications

  • Bachelor of Science degree in Engineering Engineering Technology (including Manufacturing Technology) Computer Science Data Science Mathematics Physics Chemistry or non-US equivalent qualifications directly related to the work statement

  • Ability to design develop implement and test propulsion systems for spacecraft

  • 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)

  • Ability to obtain and maintain a TS/SCI Security Clearance

Preferred Qualifications

  • Bachelor of Science degree in Mechanical Engineering or Aerospace Engineering or equivalent.

  • Demonstrate clear communication and organizational skills

  • 1-3 or more years of experience with propulsion design

  • Ability to design develop implement and test propulsion systems

  • Demonstrate clear communication and organizational skills

Conflict of Interest:

Successful candidates for this job must satisfy the Companys 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: $79050 - $116250

  • Level 2: $98600 - $145000

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

Category Engineering

Language Requirements:

Not Applicable

Education:

Bachelors Degree or Equivalent

Relocation:

Relocation assistance is not a negotiable benefit for this position.

Export Control Requirement:

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.

Safety Sensitive:

This is not a Safety Sensitive 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.

Contingent Upon Award Program

This position is not contingent upon program award

Shift:

Shift 1 (United States of America)

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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.

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Required Experience:

Junior IC


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