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Sr.Test Engineer - Millennium Space Systems

Boeing

USA - El Segundo, CA permanent

Posted: January 28, 2026

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Quick Summary

We are seeking a Sr.Test Engineer to join our team in El Segundo, CA, where you will work on exciting technological problems.

Job Description

Sr.Test Engineer - Millennium Space Systems

Company:

Millennium Space Systems

Millennium Space Systems, A Boeing Company delivers affordable, high-performance space systems for exacting customers. At Millennium, you will be part of a close-knit team working on exciting technological problems. We work in an open environment where ideas are shared across all disciplines, and there are ample opportunities for advancement based on excellence. Superstars are welcome.

At Millennium, we innovate and collaborate to make the world a better place. From the seabed to outer space, you can contribute to work that matters with a company committed to fostering an environment for every teammate that's welcoming, respectful and innovative, with great opportunities for professional growth. Find your future with us. 

As a Sr. Test Engineer, you will develop manufacturing processes to build, test, and launch satellites while dually implementing test procedures for dynamic and thermal environmental testing of components, subsystems, and satellite products. You will be responsible for leveraging design for testability and continuous improvement to deliver space-grade avionics, structures, and propulsion hardware at high rate and low cost, without ever compromising personnel safety or product reliability. A successful candidate for this role will demonstrate integrity, intellectual curiosity, empathy, technical capability, and a strong motivation to scale and support manufacturing test.

This position's internal job code is Test & Evaluation Engineer. Our team is currently hiring for a levels 3-4.

This role will support 2nd shift.

Position Responsibilities:

• Serve as the primary point of support for environmental test equipment and processes, and maintain responsibility over test execution for spacecraft hardware

• Create spacecraft hardware test procedures, ensure test readiness, and unblock issues that arise during test campaigns (qualification and acceptance)

• Develop standard operating procedures for environmental test technicians

• Establish and increase the efficiency of manufacturing test processes to maximize output, limit burden, and enable products to rapidly transition from engineering development to high rate production

• Identify improvement opportunities and execute initiatives to maintain safe operations, ensure product quality, reduce lead time/labor hours, etc. through environmental test Identify, implement, and qualify environmental test equipment and processes in support of high reliability and throughput production

• Troubleshoot and identify root cause of issues in environmental test processes (i.e. due to spacecraft hardware defects, test equipment anomalies, software problems, etc.), then implement permanent corrective actions to prevent recurrence

• Enable production autonomy by challenging requirements, simplifying work processes, and implementing automation

• Serve as the technical subject matter expert for environmental test processes and equipment

• Develop test equipment automation to improve efficiency of environmental test processes, limit the likelihood of error, and maximize throughput

Basic Qualifications (Required Skills/Experience):

• Bachelor's degree in an engineering discipline 5+ years in a hardware test environment

• Experience working with thermal chambers, TVAC chambers, and/or vibration shakers

• Experience in authoring test procedures, implementing process improvements, and managing UUT non-conformances

• Excellent written, verbal communication, and interpersonal skills

Preferred Qualifications (Desired Skills/Experience):

• 5+ years of experience in environmental testing, with a focus on vibration, thermal ambient, and thermal vacuum testing

• Familiarity with SMC-S-016, GSFC-STD-7000A, or similar environmental testing standards Experience in a high-throughput manufacturing environment

• Experience with PXI and other test instrumentation (i.e. thermocouples, accelerometers, DAQs etc.)

• Experience successfully qualifying new products for space applications Thorough understanding of root cause analysis and related analytical methodology (Five Whys, Fishbone/Ishikawa Analysis, 8D, etc.)

Drug Free Workplace:

Millennium Space Systems is a Drug Free Workplace 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.

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 3: $92,000 - $164,00

• Level 4: $112,000 - $199,000

Before applying, please note:
Millennium is DDTC-registered, ITAR-compliant Company. This position is located at a facility that requires special access. Applicants MUST be U.S. citizens and eligible for a security clearance. Additionally, applicants must be willing to apply for and maintain a security clearance. We encourage all interested candidates to apply for any open position for which they feel they are qualified.

Language Requirements:

Not Applicable

Education:

Bachelor's Degree or Equivalent

Relocation:

Relocation assistance is not a negotiable benefit for this position.

Export Control Requirement:

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.

Safety Sensitive:

This is not a Safety Sensitive Position.

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/SCI Clearance Post-Start is required.

Visa Sponsorship:

Employer will not sponsor applicants for employment visa status.

Contingent Upon Award Program

This position is not contingent upon program award

Shift:

Shift 2 (United States of America)

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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.

EEO is the law

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Boeing Participates in E – Verify

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Right to Work Statement

• Right to Work (English)
• Right to Work (Spanish)

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