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Mechanical Technician Senior Second Shift – Millennium Space Systems

Los Angeles, California; El Segundo, California Job ID JR2025489888 Category All Hourly Unions Role Type Onsite Post Date Jan. 02, 2026
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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 (MSS), a part of Boeing Defense, Space and Security (BDS) is seeking a Mechanical Technician Senior - Second Shift to support the Manufacturing team in El Segundo, CA!

Job Summary
The Mechanical Technician will be responsible for performing a variety of tasks in support of fabrication, integration and test of space flight systems and support equipment. This role requires the ability to work the second shift. 

This position’s internal job code is Spacecraft Mechanical Technician Sr. Our team is currently hiring for grade 24.

Position Responsibilities:

  • Assemble, install, test, checkout and inspect mechanical spacecraft assemblies by interpreting blueprints, engineering drawings and specifications, and written assembly, integration, and test procedures

  • Perform second party verifications and visually inspect mechanical assemblies to drawings, engineering specifications, and written assembly, integration, and test procedures

  • Operate various materials handling equipment including forklifts, overhead cranes, aerial lift equipment, flight vehicle and sub-assembly transportation equipment, truck/tractor trailer combinations and other GSE as required

  • Travel required to support operations identified by program being supported

  • Capable of operating a wide range of machine tools. Included but not limited to, drill press, grinders, chop saw, power, and hand tools

  • Interfaces and/or works closely with Design and Manufacturing Engineering, Manufacturing, Materials, Procurement and Shipping personnel on procedural issues involving design, methods, tooling, cost, and other areas involved in the control of product quality

  • Support in other mechanical areas defined by Millennium Space Systems Leadership as business needs require

  • Cross-train/mentor new hires

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.

Basic Qualifications (Required Skills/Experience):

  • Minimum 4 years of relevant experience in mechanical or propulsion assembly on high reliability products (preferably aerospace products)

  • High School Diploma/GED

  • Ability to interpret mechanical drawings, schematics, harness wiring diagrams, internal and external specifications

  • Experience using inspection tooling (e.g. calipers, micrometers, DMM, depth gauges, etc.)

  • Demonstrated exceptional attention to detail

  • Ability to lift-up to 35 lbs

  • Experience with assembly tooling and/or composites fabrication and assembly

  • Experience with using various hand and power tools

  • Experience mixing epoxy materials

  • Excellent communication and teamwork skills

  • Proficient with Microsoft Word, Excel, and PowerPoint

Preferred Qualifications (Desired Skills/Experience):

  • Experience with assembly tooling and/or composites fabrication and assembly

  • 5+ years of machine shop experience

  • 5+ years of integration experience

  • 2+ years performing orbital tube welding in aerospace

  • Experience working in a clean room environment

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 2nd  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: Grade 24: $29.42/hr - $47.09/hr


Applications for this position will be accepted until Mar. 31, 2026


Education

High School Diploma 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 2nd 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.

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Your Benefits

No matter where you are in life, our benefits help prepare you for the present and the future.

  • Generous company match to your 401(k).
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These programs are subject to eligibility requirements and other conditions, which may differ for employees of certain subsidiaries or business units, or union-represented employees depending on bargaining agreement terms. If this information conflicts with the program documents, the latter shall control. This material is informational only.

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