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Millennium Space Systems Summer Internship Program – Propulsion Engineering

Job in El Segundo, Los Angeles County, California, 90245, USA
Listing for: The Boeing Company
Seasonal/Temporary, Apprenticeship/Internship position
Listed on 2026-03-11
Job specializations:
  • Engineering
    Aerospace / Aviation / Avionics, Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Millennium Space Systems Summer 2026 Internship Program – Propulsion Engineering

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.

The intern will support the propulsion team through the generation of hardware 3D models and drawings, and propulsion performance analysis. In support of their responsibilities the interns will complete hand calcs, tolerance analysis, performance trades, etc. The intern may be tasked with supporting testing or analysis for upcoming or current builds. In this role, the intern will help advance the propulsion design and execution of Millennium satellites, and reduce the risk of issues during build and operation.

Over the course of our 10-12 week internship experience you will have the opportunity to:

  • Owning the 3d modeling of their parts
  • Owning the first-order analysis and calculations of fluid system & thruster performance.
  • Owning the prototyping of their parts
  • Supervising relevant testing or issue resolutions

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

These positions 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.

Additionally, some positions may require the ability to obtain U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship.

Basic Qualifications (Required Skill/Experience)
  • Major in Mechanical or Aerospace engineering
  • 3D CAD/Modeling experience, statics and mechanics of materials
  • GD&T, prototyping experience, minimum sophomore level
Preferred Qualifications (Desired Skills/Experience)
  • Strong academic performance (preferred GPA of 3.0 or above)
  • Exceptional organizational and collaboration skills as demonstrated through leadership positions on teams and/or in student or civic organizations
  • Strong technical experiences as demonstrated through technical projects, research or engineering internships
  • Exceptional communication skills and interest and enthusiasm related to engineering, aerospace and a career with Boeing
  • Junior or Senior class standing

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

These positions are for 1st shift.

Safety Sensitive Statement

Some of these positions are safety-sensitive positions and are subject to random drug and alcohol testing.

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…

Position Requirements
Less than 1 Year work experience
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