Millennium Space Systems Summer 2026 Internship Program – Test Engineering

Boeing • El Segundo, CA

1d • $21 - $36 • 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. Our intern will support the execution and analysis of manufacturing-level acceptance testing by focusing on test procedure development, data analysis, anomaly investigation support, and process improvement initiatives. The intern's contributions will have tangible impact on test throughput, data quality, and the efficiency of engineering dispositions that directly gate hardware delivery to the next higher assembly. Over the course of our 10-12 week internship experience you will have the opportunity to: Test Procedure development & revisions Anomaly investigation support Process improvements Test efficiency 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.

Requirements

• Pursuing BS/MS in Mechanical Engineering, Aerospace Engineering, or Electrical Engineering
• Demonstrated proficiency with Python or equivalent data analysis tools
• Strong written and verbal communication skills, evidenced by technical reports or prior internship deliverables
• “U.S. Person” as defined by 22 C.F.R. §120.62 is required
• Applicants MUST be U.S. citizens and eligible for a security clearance.
• applicants must be willing to apply for and maintain a security clearance.

Nice To Haves

• Prior internship 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.

Responsibilities

• Test Procedure development
• Revisions
• Anomaly investigation support
• Process improvements
• Test efficiency

Benefits

• 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.

What This Job Offers

• Career Level: Intern