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Senior Spacecraft Power Systems Engineer - Millennium Space Sytems

El Segundo, California; Los Angeles, California Job ID JR2026491689 Category Engineering - Electronic and Electrical Role Type Onsite Post Date Feb. 18, 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 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.


As a Spacecraft Power Engineer, your systems will power Millennium satellites -- literally. Power engineers design most of the satellite electrical system, including overall electrical architecture, battery and solar array design, power conversion, and power distribution. They are involved from early conceptual design and development, during the detailed design phase, when components and satellites are being built and tested, and during on-orbit operations of the satellite. Whether it’s performing low-level electrical circuit design, analyzing the worst-case energy balance of a satellite, or troubleshooting an anomaly of an on-orbit satellite, you will have a hand in it all.

This position’s internal job code is Elect Design and Analysis. Our team is currently hiring for the level range of 3-4. 

Position Responsibilities:

  • Perform spacecraft Electrical Power Subsystem design and analysis at the spacecraft level, including interfaces with other subsystems

  • Develop system, subsystem, and component level requirements derived from higher level requirements sets

  • Develop spacecraft level power models to predict power loading and performance margins to support system design

  • Support battery, solar array, and electronics design

  • Brief design and analysis materials to program managers, customers, and/or sponsors

  • Support system level functional and environmental testing

  • Provide on-orbit support during mission operations and anomaly resolution

  • Assist in proposal and business development efforts

  • Coordinate efforts with consultants when necessary

  • Manage cost and schedule for satellite EPS tasks

  • Mentor junior engineers

Security Clearance and Export Control Requirements:

This position requires the ability to obtain a U.S. Security Clearance. for which the US Government requires U.S. Citizenship. A final U.S. Top Secret security clearance is required post start.

Basic Qualifications (Required Skills/Experience):

  • Bachelors Degree in electrical, computer, or other relevant engineering discipline

  • 5 or more years experience in the design, development, analysis, implementation, testing, and/or operation of spacecraft power systems

  • Experience modeling and simulating power system loads against input power

  • Experience with and knowledge of solar arrays and Li-ion batteries, how they’re designed, built, and tested

  • Experience with power control and distribution electronics and architectures

  • Experience working with engineers of multiple disciplines in the design and test of complex systems

  • Experience writing and reviewing technical documents such as test procedures, design diagrams, and requirements specifications

  • Experience testing electronics using tools such DMMs, oscilloscopes, PSUs, E-Loads, and custom test racks

  • Knowledge of power circuit design fundamentals

  • Excellent communication and presentation skills

  • Ability to obtain and maintain a TS/SCI Security Clearance

Preferred Qualifications (Desired Skills/Experience):

  • Experience with high-reliability automotive or aerospace electronics

  • Experience with mitigation of space environmental effects on electronics, solar arrays, and batteries

  • Experience in MATLAB or other comparable software tool

  • Experience with managing project budgets and schedules

  • Experience with mentoring junior engineers

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 3: $104,550 - $153,750

  • Level 4: $126,650 - $186,250

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.


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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