Mission Analysis Engineer (Senior) - Millennium Space Systems
- Location
- El Segundo, CA
- Work type
- On-site
- Job type
- Full-time
- Salary
- $180.5K – $269K / yr
- Clearance
- TS/SCI
- U.S. citizenship
- Required
- Posted
- Oct 6, 2026
About the role
Company:
Millennium Space SystemsMillennium 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 Mission Analysis Engineering team is focused on (a) design and development of Concepts of Operations (CONOPS) and Design Reference Missions (DRMs) from key customer requirements; (b) modeling and simulation of satellites, constellations, and system-of-systems; and (c) design and integration of mission data processing algorithms, such as EO/IR image processing or inertial tracking. They are key stakeholders in the design and validation of mission CONOPS and Design Reference Missions (DRM) and are leaders in comprehensive end-to-end software integration, validation, and testing. The team owns the development and validation of the satellite/constellation mission, as well as the predicted technical performance metrics (TPMs) for the program. They are chief architects and implementers of mission data processing algorithms, ensuring mission level objectives are met.
As a Mission Analysis Engineer on the Mission Analysis Engineering Team, you will be the Responsible Engineering Authority (REA) for all modeling, simulation, and analysis for a program, study, or proposal. Mission Analysis Engineers don't just execute on ideas - they innovate creative solutions and novel designs to improve our products and solidify Millennium as an industry leader. You will develop methods to simulate mission scenarios and assess end-to-end constellation capabilities; design and deploy image processing, inertial tracking, state estimation, and optimal control algorithms for sensor systems; and provide tools and modeling platforms for validating system performance during on-orbit mission operations. You will work shoulder-to-shoulder with technical and program leadership to ensure that high-quality work products are delivered on time and that the proposed mission solution meets the customer need.
This position's internal job code is 3D Guidance, Nav & Controls Engr. Our team is currently hiring for Levels 5-6.
Position Responsibilities:
Build and maintain simulations for large satellite constellations to assess effectiveness against mission requirements
Own the Electro-Optical/Infrared (EO/IR) image processing algorithms chain, from photon to Warfighter
Create models for space vehicle payloads to use in system trades and performance predictions
Develop novel algorithms, models, and data processing schemes for MW/MT, RPO, and SDA systems
Architect the Concepts of Operation (CONOPS)/Design Reference Mission (DRM) and their associated simulations
Collaborate with software and firmware teams to develop platforms for simulation deployment (eg. software/hardware-in-the-loop)
Basic Qualifications (Required Skills/Experience):
Bachelor's degree and 14 or more years' related work experience or an equivalent combination of technical education and experience
7 or more years' experience in modeling and simulation of complex aerospace systems using common tools such as Matlab/Simulink, Python, or C++
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 Clearance Post-Start is required.
Preferred Qualifications (Desired Skills/Experience):
Level 6: Bachelor's degree and 20 or more years' related work experience or an equivalent combination of technical education and experience
9 or more years’ experience in satellite design and/or operation
Experience with EO/IR optical systems analysis and image processing algorithms
Experience with government furnished image models like ASSET, PRA Toolkit, or AFSIM
Experience with orbital mechanics and kinematic state estimation
Experience with satellite space-to-space communication networks
Experience with RPO or NMC orbits and associated maneuver planning
Technical leadership experience, including requirements V&V, delegation and management of technical tasks, responsible engineering authority (REA) experience, and cost account management (CAM) experience.
Possess 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 5: $180,500 - $269,000
Level 6: $217,500 - $324,000
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.
Category = Engineering
Language Requirements:
Not ApplicableEducation:
Bachelor's Degree or EquivalentRelocation:
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 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 awardShift:
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