ATLO (Assembly, Test, & Launch Operations) Engineer - Millennium Space Systems

The Boeing Company; El Segundo (CA); On-site; USD 79,000 - 134,000; Full time

Job summary

Millennium Space Systems, a Boeing Company, seeks an Early Career ATLO engineer in El Segundo, CA, to build and test spacecraft across electrical and mechanical assembly, environmental and planning applications. You will report to an Engineering Team Lead within Production. Shifts rotate with 9.5-hour days and a 9/80 calendar; citizenship and clearance are required. Bachelor's in a relevant field is required; relocate as needed.

Qualifications

• Bachelor’s degree in aerospace, electrical, mechanical, computer engineering, physics, math, or similar
• Experience with the build, assembly, or testing of complex systems
• Ability to read engineering drawings, technical documents, and schematics
• U.S. citizenship and ability to obtain a U.S. security clearance

Responsibilities

• Conduct electrical verification of spacecraft subsystems
• Mechanically integrate satellite components into complex assemblies
• Generate and maintain test scripts for automated spacecraft testing
• Author test procedures and plans from drawings and ICDs
• Validate requirements through V&V for prototypes and flight builds
• Interface with technicians, quality inspectors, and engineers in a cleanroom
• Support environmental testing campaigns (EMI/C, Dynamics, TVAC) as test conductor
• Document non-conformances and implement corrective actions

Skills

Electrical verification

Mechanical integration

Test scripting

Reading drawings

Python

C++

Linux

Education

Bachelor’s degree in Aerospace/Electrical/Mechanical/Computer Engineering, Physics, Math or similar

Tools

Version control

Python

C++

Linux

Networking basics

Job description

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, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have 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 are seeking highly motivated applicants to join our world-class team and help create the future of affordable, high-reliability space systems. We are looking for candidates who have demonstrated practical problem-solving experience in their previous roles or projects. This is a full-time position in El Segundo, CA.

Job Summary

A member of the ATLO (Assembly, Test, and Launch Operations) team is responsible for building and testing complex spacecraft for a variety of mission areas, via electrical, mechanical assembly, environmental, and planning applications. You will play a critical role in developing satellites for manufacturability and large-scale constellations. An Early Career ATLO engineer will report directly to an Engineering Team Lead as a part of the Production organization at Millennium.

This position requires employees to work various shifts on a rotating basis. The shift times are subject to change and additional shifts may be added in accordance with company needs, but employees will only work one shift per day.

Each standard shift is 9.5 hours in length, 0.5 hours of which is designated for a lunch break. Shifts contain 9 hours of work to follow the Millennium 9/80 calendar, meaning every other Friday is a non-working day. The standard shift times are listed below.

• First Shift: 0600 – 1530
• Second Shift: 1430 – 0000

This position's internal job code is Systems Engineer. Our team is hiring for levels 1-2.

Position Responsibilities

• Conduct electrical verification of spacecraft subsystems using a variety of standard test equipment
• Work with other teams to mechanically integrate satellite components into complex assemblies in a continuously evolving production environment
• Generate and maintain version-controlled test scripts for automated spacecraft testing
• Author test procedures and plans across common satellite subsystems from engineering drawings, schematics, and ICDs
• Validate requirements through stringent V&V process on both prototype and flight build's
• Interface with technicians, quality inspectors, and engineers in a cleanroom
• Contribute to environmental testing campaigns (EMI/C, Dynamics, TVAC) as a test conductor
• Document, analyze, and provide resolution for non-conformances and implement corrective actions

Basic Qualifications (Required Skills/Experience)

• Completed bachelor’s degree in in the following fields: Aerospace Engineering, Electrical Engineering, Mechanical Engineering, Computer Engineering, Physics, Math or similar. Graduate degree programs also accepted
• Experience with the build, assembly, or testing of complex systems
• Ability to read engineering drawings, technical documents, and schematics
• This position requires the ability to obtain a U.S. Security Clearance for which the U.S. GovernmentrequiresU.S. Citizenship. A U.S. Security Clearance Post-Start isrequired

Preferred Qualifications (Desired Skills/Experience)

• For Electrical or Aerospace background: Strong knowledge of electrical engineering circuit design principles, grounding, radio, test equipment, ESD, or spacecraft subsystems
• For Mechanical Engineering background: Strong knowledge of mechanical assemblies, manufacturing processes, or industry standards
• Must be willing to work in a small team, fast-paced environment
• Ability to make sound engineering judgements with limited information
• Experience with version control, understanding of basic software concepts, python, C++, linux environments, and computer network architecture
• Willingness to work different shifts, travel to launch site/integration locations, and to support critical mission milestones when surge support is needed

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.

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:

• Level 1: $79, 050 -$116,250
• Level 2: $90,950- $133,750

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.

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.

Shift

This position is for 1st shift

Applications for this position will be accepted until Sept. 13, 2026

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.

Category = Engineering