Spacecraft Systems Engineer (Senior) - Millennium Space Systems

Company: Boeing
Location: El Segundo
Posted on: April 2, 2026

Job Description:

Spacecraft Systems Engineer (Senior) - Millennium Space Systems Company: Millennium Space Systems 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 an Senior Spacecraft Systems Engineer, you will be responsible for owning 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 5-6. Position Responsibilities: Provides systems engineering leadership to programs Provides mentorship to junior systems engineering and subsystem staff 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. Develops integrated spacecraft system designs and solutions 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 Coordinates and communicates with subsystem engineering teams to ensure system execution Develops the planning organization, implementation and monitoring of requirements management processes, tools, risk, issues, opportunity management and technology readiness assessment processes Applies model-based systems engineering techniques for the definition of the spacecraft system Participates in software integration and test activities to ensure mission functionality prior to deployment into operations Coordinates with management and peers to ensure the integrity of high-quality operational products, including procedures, tools, and system configuration 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 improves systems engineering processes Basic Qualifications (Required Skills/Experience): 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. Bachelor's Degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), computer science, engineering data science, mathematics, or physics and 14 or more years' related work experience; Master's Degree in engineering related discipline and 12 or more years' related work experience; or an equivalent combination of technical education and experience. 14 years' experience with space systems engineering principles and techniques Experience with power, mass, and other system budgets Experience with requirements analysis and flow-down Experience with design verification and validation processes Experience with configuration management Experience with satellite level integration and test processes Experience with satellite in-orbit operations Preferred Qualifications (Desired Skills/Experience): Master's Degree in Aerospace or other relevant engineering or science discipline Greater than 18 years professional experience in space systems engineering Demonstrated familiarity with program management principles and tools Direct experience with one or more rapid spacecraft development programs and missions. Experience with a full life-cycle from concept to in-orbit operations Demonstrated leadership and communications skills An active TS/SCI U.S. Security Clearance. 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. Level 5: $146,000 - $260,000 Level 6: $174,000 - $310,000 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: Not Applicable 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 1 (United States of America) Stay safe from recruitment fraud! The only way to apply for a position at Boeing is via our Careers website. Learn how to protect yourself from recruitment fraud - Recruitment Fraud Warning 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 Boeing EEO Policy Request an Accommodation Applicant Privacy Boeing Participates in E – Verify E-Verify (English) E-Verify (Spanish) Right to Work Statement Right to Work (English) Right to Work (Spanish)

Keywords: Boeing, San Marcos , Spacecraft Systems Engineer (Senior) - Millennium Space Systems, Engineering , El Segundo, California