Millennium Space Systems Summer 2026 Internship Program – Ground Software 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. As a Ground Software Engineer Intern, you will cover ground software development, integration and test. Your primary task will be dispositioning and root causing non conformances and issues as they come up, secondary tasking will be design based leveraging your experience with the integration and test. You will work closely with technicians, integration and test engineers as well as the design engineering team to foster a deep understanding of end to end software design and deployment. Over the course of our 10-12 week internship experience you will have the opportunity to: Leads the design, development, integration, testing, and delivery of large-scale ground software and mission control systems Interacts with other Millennium staff to support testing on components, subsystems, and spacecraft in test configurations Integrates Millennium software applications into Government-furnished software and infrastructure Implements specific mission data processing applications into existing systems to support payloads and end data users Contributes to ground software or tool development by completing larger feature requests, taking ownership of larger software modules, analysis packages, and workflows 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

• Experience writing scripts and backend software applications in Python
• Experience with Python webserver frameworks (Twisted, Flask, FastAPI) and building RESTful web services in conjunction with message broker architectures
• Experience with backend development interacting with relational, time-series, and document databases (PostgreSQL, InfluxDB, MongoDB).
• Comfortable building interactive UIs using Javascript frameworks
• Familiarity with GitLab CI/CD and Infrastructure as Code practices
• Familarity with containerization and container orchestration practices using Docker, Podman, and Kubernetes
• Comfortable communicating technical details verbally and in writing
• 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.
• 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.

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

• Leads the design, development, integration, testing, and delivery of large-scale ground software and mission control systems
• Interacts with other Millennium staff to support testing on components, subsystems, and spacecraft in test configurations
• Integrates Millennium software applications into Government-furnished software and infrastructure
• Implements specific mission data processing applications into existing systems to support payloads and end data users
• Contributes to ground software or tool development by completing larger feature requests, taking ownership of larger software modules, analysis packages, and workflows

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.
• 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

• Career Level: Intern
• Education Level: No Education Listed