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Mechanical Technician Senior Second Shift – Millennium Space Systems

Job in El Segundo, Los Angeles County, California, 90245, USA
Listing for: Boeing
Full Time position
Listed on 2026-09-01
Job specializations:
  • Manufacturing / Production
    Assembly, Manufacturing Engineer
Salary/Wage Range or Industry Benchmark: 40000 - 65000 USD Yearly USD 40000.00 65000.00 YEAR
Job Description & How to Apply Below

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.

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 a fast, agile small satellite company focused on national security space. Our missions have a 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.

We have an exciting opportunity for a Mechanical Technician Senior to join our dynamic team in El Segundo, California.

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

Position Responsibilities
  • Assembles, installs, tests, checks out and inspects mechanical spacecraft assemblies by interpreting blueprints, engineering drawings and specifications, and written assembly, integration, and test procedures
  • Performs second party verifications and visually inspects mechanical assemblies to drawings, engineering specifications, and written assembly, integration, and test procedures
  • Operates 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
  • Operates 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
  • Supports in other mechanical areas defined by Millennium Space Systems Leadership as business needs require
  • Cross-trains/mentors 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.

Shift

This position is primarily 2nd shift; however, there may be additional shift requirements to support program objectives. Candidates must be able to work any shift assigned.

Union
  • This is an hourly union-represented position governed by the Cabinet Makers, Millmen and Industrial Carpenters Union (CMM&IC Local 721).
  • New hires and employees transferring from non-union roles may be required to attend or complete training within their 90-day probationary period. Continued employment is contingent on successfully completing the probationary period.
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. Top Secret Clearance Post Start is required.)

Basic Qualifications (Required Skills/Experience)
  • High School Diploma or GED
  • More than 5 years of experience with Structures Assembly, Mechanical Assembly, Electrical Assembly, and/or Final Assembly
  • More than 3 years of experience following written and verbal work instructions
  • More than 3 years of experience in working with blueprints, specifications, assembly drawings, and standard operating procedures
  • More than 3 years of experience in setting and using precision measuring tools and equipment such as micrometers, calipers, and/or dial indicators
  • More than 3 years of experience working with at least one of the following materials (Adhesives; Composites;…
Position Requirements
10+ Years work experience
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