Environmental Test Technician Senior First Shift – Millennium Space Systems

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Millennium Space Systems (MSS), a part of Boeing Defense, Space and Security (BDS), is seeking an Environmental Test Technician Senior - First Shift to support the Manufacturing team in El Segundo, CA
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As an Environmental Test Technician, you will set up and execute environmental tests including vibration, shock, thermal vacuum, and thermal cycling for components, subsystems, and satellite products. A successful candidate will demonstrate integrity, intellectual curiosity, empathy, technical capability, and a strong motivation to support the environmental test resource. This role requires the ability to work the first shift. Our team is currently hiring for Grade 24.

• Execute environmental tests of space flight hardware using specialized equipment such as electrodynamic shakers, thermal vacuum chambers, thermal cycling chambers, torque wrenches, and adhesives.
• Install and operate test instrumentation and additional specialized test equipment, including accelerometers and thermocouples.
• Interpret engineering drawings, specifications, assembly procedures, and test procedures.
• Work with engineering to define and refine standard operating procedures.
• Record, prepare, organize, and deliver test data, run logs, and documentation for final test reports.
• Maintain environmental test lab equipment and perform 5S activities.
• Oversee testing at outside test facilities as required.
• Support initiatives to maintain safe operations, ensure product quality, and reduce lead time/labor hours through environmental test improvements.

This position must meet Export Control compliance requirements. 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.

• 2+ years experience working in a test environment.
• Availability to work a shifted or alternate work schedule when required.
• Ability to maintain an organized, clean workspace.
• Demonstrated ability to collaborate with peers.
• Strong attention to detail.
• Some travel may be required.

• 5+ years of relevant experience, preferably in the aerospace industry.
• Experience with thermal, vibration, EMI/EMC, shock, TVAC, and/or acoustic testing.
• Experience working in clean rooms with ESD‑sensitive components.
• Experience setting up and operating a wide range of machining tools, including CNC mills, CNC routers, drill presses, grinders, chop saws, power and hand tools.
• Experience working with test automation equipment (e.g., power supplies, DAQs).
• Industry certification, trade school training, and/or military experience.
• Experience working with Atlassian products such as Jira and Confluence.
• Ability to obtain clearance.
• Ability to travel.
• Strong written and verbal communication skills.

Successful candidates for this position must satisfy the Company’s Conflict of Interest (COI) assessment process.

Millennium Space Systems, a Boeing Company, is a Drug Free Workplace (DFW). 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.

• This is a union‑represented hourly position governed by the Cabinet Makers, Millmen and Industrial Carpenters Union (CMM&IC Local 721).
• The selected candidate must be able to work any shift, as assigned. The position is for 1st shift.
• New hires may be required to attend training; upon completion, they will be considered on probation for ninety (90) calendar days. Continued employment is contingent upon successful completion of the probationary period.

Millennium Space Systems provides a competitive Total Rewards package, including variable compensation opportunities. Eligible employees may…