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Senior Spacecraft Command and Data Handling (C&DH) Engineer – Millennium Space Systems

El Segundo, California; and other locations
Full Time On-site

Summary

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.

JobSummary: 

As a Senior Spacecraft Command and Data Handling (C&DH) Engineer, you will serve as a primary technical authority for the electrical hardware and avionics architectures critical to Millennium’s space vehicles. You will drive the strategic design of vehicle architectures, ensuring they meet complex mission requirements while optimizing for performance, manufacturability, and cost. You thrive with a high degree of autonomy and responsibility and can communicate technical concepts clearly and concisely to both technical and non-technical stakeholders.

This position's internal job code is EE Sys Design Engineer. Our team is currently hiring for Levels 4-5.

  • Level 4: Focuses on technical leadership of specific programs/portfolios. You will act as a subject matter expert (SME) for C&DH, driving complex technical designs, managing high-stakes trade studies, and providing critical technical oversight during integration and testing to ensure mission success

  • Level 5: Focuses on technical strategy and organizational impact of the C&DH group. You will serve as a primary technical authority across multiple programs, establishing engineering best practices, defining long-term technical roadmaps, and mentoring the next generation of engineers to scale the company's technical capabilities

Position Responsibilities:

  • Architect C&DH subsystem architectures that drive system-level design decisions and ensure alignment with mission objectives, constraints, and fault management requirements

  • Lead the selection and trade analysis of avionics architectures to balance mission requirements with performance, power, mass, and cost

  • Drive the definition of requirements, interface control documents, and verification activities

  • Direct high-fidelity analyses for data budgets, signal integrity, clock drift, jitter, and EMI/EMC compatibility to guarantee design margins and reliability

  • Own vendor selection and trade studies, producing make/buy recommendations that balance technical risk, schedule, cost, and long-term lifecycle support

  • Lead the identification and resolution of complex technical issues related to avionics and electrical hardware throughout the design, integration, and testing phases

  • Collaborate on Fault Detection, Isolation, and Recovery (FDIR) strategies, ensuring architectures are resilient and providing technical expertise for mission operations and system health assessment

  • Mentor junior and mid-level engineers to foster technical excellence and scale the group's engineering capabilities

  • Other duties as assigned

Basic Qualifications (Required Skills/Experience):

  • Bachelor’s degree in Electrical, Computer, Aerospace, or a related discipline and 9 or more years' related work experience or an equivalent combination of technical education and experience

  • 9+ years of experience with spacecraft communication protocols such as SpaceWire, Ethernet, RS-422/485, LVDS

  • 7+ years of experience in the design, analysis, and integration of spacecraft electrical hardware or complex avionics systems

  • This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. A final U.S. Security Clearance Post-Start is required

Preferred Qualifications (Desired Skills/Experience):

  • Level 5: 14 or more years' related work experience or an equivalent combination of technical education and experience

  • Experience as a Responsible Engineering Authority (REA) or Lead Engineer on complex space programs

  • Deep familiarity with industry standards and DoD/government cybersecurity implementation for space assets

  • Experience in high-rate manufacturing environments

  • Advanced degree (M.S. or Ph.D.) in a relevant engineering discipline

  • Outstanding communication and presentation skills

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 4: $146,200 - $215,000

  • Level 5: $176,800 - $260,000

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.

Applications for this position will be accepted until Jun. 30, 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. Secret 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.

About Boeing

Boeing

Boeing is one of the largest aerospace and defense companies in the world, supporting critical military, commercial aviation, space, and national security missions. With a long history of innovation, Boeing develops advanced aircraft, satellites, autonomous systems, defense platforms, and space technologies used by the U.S. military and allied partners worldwide. The company plays a major role in programs ranging from fighter aircraft and military helicopters to missile defense, space systems, and next-generation aviation technologies.

For job seekers, Boeing offers opportunities across nearly every area of aerospace and defense, including engineering, software development, cybersecurity, manufacturing, supply chain, program management, aviation maintenance, and defense operations. The company is especially attractive to veterans, cleared professionals, engineers, and candidates looking for mission-driven work with strong long-term career growth. Boeing also offers extensive training, leadership development, and opportunities to work on some of the most recognized aerospace programs in the world.

Unlike smaller defense firms focused on a single capability, Boeing provides employees exposure to a broad mix of commercial and defense technologies. Teams contribute to programs involving military aircraft, autonomous systems, satellites, advanced manufacturing, AI, and next-generation aerospace innovation. Employees often value the combination of large-scale engineering challenges, global impact, and the stability of a major industry leader.

As defense modernization, commercial aviation, and space investment continue to grow, Boeing remains one of the most recognized employers in aerospace and government contracting. For professionals seeking a mission-focused career with strong benefits, technical growth, and opportunities to work on world-changing technologies, Boeing continues to stand out as a leading destination in aerospace and defense.

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