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Spacecraft Systems Engineer (mid-career) - Millennium Space Systems

Los Angeles, California; El Segundo, California Job ID JR2026489968 Category Engineering - Systems Role Type Onsite Post Date Jan. 02, 2026 Security Clearance Required
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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 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
As a Mid-Career Spacecraft Systems Engineer, you will be responsible for supporting the technical execution for programs and leading teams developing spacecraft systems serving a range of missions and customers. This includes creating, monitoring, and guiding requirements definition, spacecraft design, procurement and fabrication, integration and test, and verification and validation of the overall space vehicle system. You will interact with subsystem and unit engineers, manufacturing and test personnel, and program management. You will manage the technical elements of the space vehicle system. Our spacecraft systems engineers create spacecraft -- not just paperwork!

This position's internal job code is Systems Engineer. Our team is currently hiring for Levels 3-4.

Position Responsibilities:  

  • Responsible for all aspects of spacecraft systems engineering including performing preliminary concept development, trade studies, CONOPS definition, requirements decomposition and allocation, interface requirements definition, requirements verification and validation, support to integration and test operations, anomaly resolution, risk management, and schedule execution

  • Collaborates with program and financial leadership to ensure successful programmatic execution

  • Applies an interdisciplinary, collaborative approach to plan, design, develop and verify a lifecycle balanced solution for space systems

  • Understands spacecraft subsystems functions and interfaces. Develop integrated spacecraft system designs and solutions

  • Coordinates and communicates with subsystem engineering teams to ensure system execution

  • Applies model-based systems engineering techniques for the definition of the spacecraft system

  • Participate in software integration and test activities to ensure mission functionality prior to deployment into operations

  • Performs tasks to analyze technical data, verify and sustain specific systems configurations in accordance with defined constraints and operational requirements

  • Performs various analyses to optimize the spacecraft system and/or system architecture

  • Resolves cross-functional technical issues

  • Develops and improve systems engineering processes

  • Provides mentorship to junior systems engineering and subsystem staff

Basic Qualifications (Required Skills / Experience):

  • Bachelor’s degree in aerospace engineering or other relevant engineering or science discipline

  • Minimum of 5 years of directly relevant aerospace industry experience, preferably with spacecraft systems

  • Demonstrated leadership and communications skills

  • Demonstrated experience with space systems engineering principles and techniques

  • Demonstrated familiarity with program management principles and tools

  • Demonstrated experience with power, mass, and other system budgets

  • Demonstrated experience with requirements analysis and flow-down

  • Demonstrated experience with design verification and validation processes

  • Demonstrated experience with configuration management

  • Demonstrated experience with satellite level integration and test processes

  • Demonstrated experience with satellite in-orbit operations

  • This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship.

Preferred Qualifications (Desired Skills/Experience):

  • Master’s degree in aerospace or other relevant engineering or science discipline

  • Greater than 9 years’ professional experience in space systems engineering

  • Direct experience with one or more rapid spacecraft development programs and missions. Experience with a full life cycle from concept to in-orbit operations

  • An Active TS/SCI U.S. Security Clearance

Drug Free Workplace:

Millennium 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. 

Pay & Benefits: 

Millennium Space Systems, A Boeing Company, offers a very competitive benefits package to include medical, dental, vision, and 401k plan.

Summary Pay Range:

  • Level 3: $104,550 - $153,750

  • Level 4: $128,350 - $188,750

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

This position must meet export control compliance requirements. To meet export control compliance requirements, a “U.S. Person” as defined by 22 C.F.R. §120.15 is required.  “U.S. Person” includes U.S. Citizen, lawful permanent resident, refugee, or asylee.

This position is expected to be 100% onsite.  The selected candidate will be required to work on-site at one of the listed location options.


Applications for this position will be accepted until Mar. 31, 2026


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

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


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.

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Your Benefits

No matter where you are in life, our benefits help prepare you for the present and the future.

  • Generous company match to your 401(k).
  • Industry-leading tuition assistance program pays your institution directly.
  • Fertility, adoption, and surrogacy benefits.
  • Up to $10,000 gift match when you support your favorite nonprofit organizations.
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These programs are subject to eligibility requirements and other conditions, which may differ for employees of certain subsidiaries or business units, or union-represented employees depending on bargaining agreement terms. If this information conflicts with the program documents, the latter shall control. This material is informational only.

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