Millennium Space Systems Summer 2026 Internship Program – Assembly, Test, and Launch (ATLO) Operations

Millennium Space Systems Summer 2026 Internship Program – Assembly, Test, and Launch (ATLO) Operations

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.

Interns in this role will work on critical support for building production-level spacecraft. They will author important electrical test and mechanical assembly procedures, such as ISTMs, Functionals, and Panel build flows, using our ATLO Software and Manufacturo, and utilize our common tools (Jira, version control) to complete and file official test reports. The interns will work closely with other ATLO Engineers in the cleanroom to see firsthand how satellites are manufactured and tested, and assist engineers with their daily tasks in data collection and reconciliation.

Over the course of our 10-12 week internship experience you will have the opportunity to:

• Author and update electrical test procedures

• Author mechanical assembly procedures

• Oversee assembly tasks in the cleanroom with technicians

• Participate in review meetings for early-stage satellite assembly planning

This position is expected to be 100% onsite. The selected candidate will be required to work onsite at one of the listed location options. 

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.

Basic Qualifications (Required Skill/Experience):

• Ongoing or completed BS degree in electrical, mechanical, aerospace, computer engineering, or similar field

• Junior, Senior, or Masters status in university

• Experience with the hands-on build or testing of complex systems (such as amateur rocketry, cubesat, engines, or automotive)

• Familiarity with standard electrical test equipment (DMM, Oscilloscope, Power Supply)

• Basic software comprehension (such as Python, C++, or Linux systems and network architecture)

• Strong background and interest in space systems

Preferred Qualifications (Desired Skills/Experience):

• 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.

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.

Shift:

These positions are for 1st shift.

Safety Sensitive Statement:

Some of these positions are safety-sensitive positions and are subject to random drug and alcohol testing.

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 disa