Millennium Space Systems Summer 2026 Internship Program – Mission Analysis Engineering Intern

Boeing • El Segundo, CA

6d • $21 - $31 • Onsite

About The Position

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 2026 Mission Analysis Engineering Intern will support multiple programs and IRADs across Millennium Space Systems. and will be responsible for growing our modeling and simulation capabilities to support mission execution. This includes developing physics-based models for space vehicles and payloads, designing image processing filters and inertial trackers, enhancing existing large-scale constellation simulations and applying AI/ML concepts to improve quality of performance predictions. Over the course of our 10-12 week internship experience you will have the opportunity to:

Requirements

• Ability to work full-time for 10-12 weeks during Summer 2026
• Working towards Bachelor of Science degree in engineering or related technical discipline
• Familiarity with MATLAB and/or Python
• Familiarity with aerospace systems design, orbital dynamics, and/or mathematical modeling
• Ability to obtain a TS/SCI security clearance
• Enrolled student attending a college or university with an expected graduation date on or after August 2026
• These positions 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.
• Additionally, some positions may require the ability to obtain U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship.

Nice To Haves

• Strong academic performance (preferred GPA of 3.0 or above)
• Exceptional organizational and collaboration skills as demonstrated through leadership positions on teams and/or in student or civic organizations
• Strong technical experiences as demonstrated through technical projects, research or engineering internships
• Exceptional communication skills and interest and enthusiasm related to engineering, aerospace and a career with Boeing
• Junior or Senior class standing
• Successful candidates for this job must satisfy the Company’s Conflict of Interest (COI) assessment process.

Responsibilities

• Simulate large satellite constellations to assess effectiveness against mission requirements
• Create models for space vehicle payloads (e.g. electro-optical/infrared) to use in system trades and performance predictions
• Collaborate with software and firmware teams to develop hardware for simulation deployment (eg. software/hardware-in-the-loop)
• Develop novel algorithms, models, and data processing schemes for EO/IR sensing and tracking systems

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Intern