Spacecraft Mechanical Engineer (Experienced) - Millennium Space Systems

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.

Spacecraft Mechanical Engineer (Experienced) – Millennium Space Systems

Millennium Space Systems (MSS), a part of Boeing Defense, Space and Security (BDS) is seeking a Spacecraft Mechanical Engineer (Experienced) to support the Engineering team in El Segundo, CA!

Job Summary
As an experienced Spacecraft Mechanical Engineer, you will leverage past experience and strong engineering fundamentals to solve our most challenging technical problems in collaboration with other engineers. You will review designs and test plans to validate planning and identify opportunities to reduce cost and risk. Additionally, you will create processes, standards, and engineering tools that are needed and train others in their use. This is an exciting opportunity to drive the development of emerging technologies for future mechanical designs at Millennium.

This position’s internal job code is Mech Sys Design & Anlys Engr. Our team is currently hiring for the Levels 5-6.

Responsibilities

• Help set technical direction for the group and beyond

• Identify and create essential processes, tools, standards, and design guides to build a knowledge-base and set best-practices

• Support Responsible Engineering Authorities (REAs) as needed to solve technical challenges, identify solutions, and develop verification tests

• As part of the team’s technical lead engineering (TLE) group, provide technical guidance to programs on an as-needed basis though activities such as attending design reviews and customer meetings, failure review and analysis, and trade study assessment

• Audit internal programs and external suppliers to identify industry best practices and opportunities for improvement

• Serve as a technical mentor for mid-career mechanical engineers

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

• 15+ years of technical experience in design and analysis of aerospace hardware

• Adept with CAD software such as SolidWorks or similar, and GD&T per ASME Y14.5

• Experience with spacecraft environments and testing, including random, sine, and acoustic vibration tests, and TVAC testing

• Excellent interpersonal and communication skills, both written and verbal

• Strong mechanical engineering fundamentals, knowledge of satellite hardware, qualification methods, and first principles understanding of all spacecraft sub-systems

• Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or a related field from an accredited university

• Ability to obtain and maintain a TS/SCI Clearance

Preferred Qualifications

• Experience with any of the following: composites, bonded joints, dampers, additive manufacturing, shock or mechanisms

• Master's degree in Mechanical Engineering, Aerospace Engineering, or a related field from an accredited university

• 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

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
Please note that the salary information shown below is a general guideline only of what is reasonably expected to be paid for the position. Salaries are based upon candidate experience and qualifications, as well as market and business considerations.

• Level 5: $146,200 - $215,000

• Level 6: $178,500 - $262,500

Applications for this position will be accepted until Feb. 09, 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.

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.

Experience Level
Individual Contributor
Contingent Upon Program Award
No, this position is not contingent upon program award

Schedule
Full time

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.