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ATLO Engineer

Millennium Space Systems
El Segundo, CA Full Time
POSTED ON 12/28/2025
AVAILABLE BEFORE 3/19/2026
Company Overview

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.

Job Summary

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.

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.

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

Minimum Qualifications

  • 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
  • Must be willing to work in a small team, fast-paced environment
  • 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. Security Clearance Post-Start is required.

Preferred Qualifications

  • 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
  • Experience with version control, understanding of basic software concepts, python, C , linux environments, and computer network architecture
  • Ability to make sound engineering judgements with limited information
  • Willingness to work different shifts, travel to launch site/integration locations, and to support critical mission milestones when surge support is needed

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 1: $73,100-$107,500
  • Level 2: $87,550-$128,750

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.

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Mandatory Security Clearance and Access Process Disqualifying Criteria

Salary : $73,100 - $107,500

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