Millennium Space Systems Summer 2026 Internship Program - Flight Software Intern

Job Description
At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us.
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 Flight Software Intern, you'll create the software that makes our satellites function in orbit. We are looking for software interns that can write (and test!) robust embedded C/C++. Your code will run on our custom avionics, process signals from sensors like our star trackers, and command actuators like the propulsion system.
Over the course of our 10-12 week internship experience you will have the opportunity to:

• Implement designs in C/C++, integrate software components, create and run unit tests, validate on Hardware-in-the-Loop and release real-time embedded solutions
• Assist with system verification and qualification, assessing the outputs and documenting the results to ensure software products that meet system requirements and mission-critical standards
• Work with hardware engineers to verify hardware-hardware and hardware-software interfaces
• Perform code reviews to ensure the software being developed is functionally correct, efficient, and meets our coding standards

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):

• Ability to work full-time for 10-12 weeks during Summer 2026
• Pursuing bachelor's Degree in Computer Science, Computer Engineering, Electrical Engineering or similar with focus on software development
• Experience in C and C++ programming
• Experience with Linux in an embedded environment and/or bare metal C on a microcontroller
• Enrolled student attending a college or university with an expected graduation date on or after August 2026

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 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: $21.15 /hr - $30.77 / hr
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.
Applications for this position will be accepted until Apr. 01, 2026
Export Control Requirements:
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.
Export Control Details:
US based job, US Person required
Relocation
Relocation assistance is not a negotiable benefit for this position.
Visa Sponsorship
Employer will not sponsor applicants for employment visa status.
Shift
This position is for 1st shift
Equal Opportunity Employer:
Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.