Guidance, Navigation & Controls Engineer (mid-level or lead)- Millennium Space Systems

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.
The Guidance, Navigation, and Controls (GNC) Engineering Team delivers the GNC subsystem for a program and/or constellation. This includes subsystem/system level analysis to ensure requirements compliance, sensor and actuator selection, and Flight Control Software (FCSW) development and verification. Engineers in the GNC group are integral throughout the entire program lifecycle, providing mission and system design inputs, critical analysis products, software/algorithm development, support to satellite integration and test (I&T), and on-console support for on-orbit operations.
As a Lead/Senior GNC Engineer, you will be the Responsible Engineering Authority (REA) for delivery of the GNC subsystem. You may be the REA for a single program, or oversee a portfolio of programs as the GNC focal. You will be a technical leader, decomposing complex work, interfacing across engineering and manufacturing teams, reporting up the program/functional management chains, and providing guidance and mentorship to others on the team.
This position's internal job code is Guidance, Nav & Controls Engr. Our team is currently hiring for level 3/4.
Position Responsibilities:

• Deliver the GNC subsystem (hardware, software, and analysis) for a satellite program
• Perform GNC subsystem design, analysis, software development, and component selection to meet program requirements
• Manage the development of GNC products within the constraints of program cost and schedule
• Report technical execution progress to program and company leadership, and track/mitigate risk
• Interface with other satellite subsystems as well as systems engineering and program management to ensure system-level performance
• Technical leadership of a team of GNC engineers in support of a program, including decomposition and delegation of tasks

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):

• Bachelor's degree and 5 or more years' related work experience or an equivalent combination of technical education and experience
• 3+ years' experience with GNC fundamentals
• 1+ years' of spacecraft system level experience
• 1+ years' experience collaborating with other engineering subsystems and program leadership
• 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):

• Level 4: Bachelor's degree and 9 or more years' related work experience or an equivalent combination of technical education and experience
• Satellite I&T and on-orbit operations experience
• Demonstrated experience decomposing large/complex nebulous tasks into clearly defined subsets of work that can be done personally or delegated to other members of the team.
• Ability to perform complex GNC system analyses of kinematics, dynamics, and control systems using existing and/or self-developed tools
• Strong fundamentals of project management, including monitoring cost and schedule performance
• Ability to set direction of program work and create processes and standards to support the group
• Advanced understanding of classical and modern control theory, system-level trade studies, architecture development, and systems integration & analysis
• Experience as a mentor
• Active TS/SCI 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
Summary Pay Range:

• Level 3: $123,000 - $183,000
• Level 4: $135,150 - $198,750

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 Jul. 25, 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
Education
Bachelor's Degree or Equivalent 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.