Millennium Space Systems Summer 2026 Internship Program – Mission Assurance Intern

Company: Boeing
Location: El Segundo
Posted on: April 1, 2026

Job Description:

Millennium Space Systems Summer 2026 Internship Program – Mission Assurance Intern 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. Mission Assurance is where technical truth meets mission success. Our team dives into the hardest problems, exposes hidden risk, and drives programs across the finish line with rigor and speed. We challenge assumptions, demand clarity, and raise the bar on engineering execution across the company. As an intern with the Mission Assurance team at Millennium Space Systems, you’ll work alongside experienced engineers on real spacecraft challenges. You’ll help evaluate technical decisions, support risk reduction efforts, contribute to root cause investigations, and build confidence in the satellites we deliver. This internship is structured to flex across priority areas based on applicant strengths; selected interns will be placed into one of several focus tracks with the opportunity to collaborate across functions supporting mission success and contractual execution. You can expect meaningful responsibility, strong mentorship, and rapid development. This role will develop your systems thinking, technical judgment, and communication skills while contributing directly to the success of full-cycle flight programs. Over the course of our 10-12 week internship experience you will have the opportunity to: Review engineering designs, manufacturing and test documentation, and internal processes in support of finding root causes and corrective actions for issues. Support risk evaluation and mitigation plans for assuring mission success. Investigate technical problems and challenges to evaluate and recommend solutions. Harness existing tools or create new tools to solve technical problems via analysis, design, or simulation techniques that can be corroborated with testing. Design and perform tests and experiments investigating risks and failures in operational and developmental satellite programs. Intern projects will be tailored to company needs and student skillsets closer to the start date. Typical projects include: o Risk Management – Support program and enterprise-level technical risk evaluation and mitigation planning to ensure mission success. Contribute to improvements in risk tracking tools and reporting methods. o Parts, Materials, and Process (PMP) – Support in evaluating and selecting materials to satisfy design requirements for a variety of materials including polymers, adhesives, thermal interface materials, composites, metallics and materials pertaining to electronic assemblies. Support materials engineering assessments and impact analyses for flight and non-flight hardware o Products – Support product-level process improvement initiatives to accelerate delivery and reduce defects. Help streamline cross-functional touchpoints impacting product flow. o Operations Assurance – Advance corporate-level operations assurance vision and improve alignment with execution milestones. Assist in defining and documenting operations best practices. 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 Full-time student pursuing a Bachelor’s degree (Junior or Senior year) or a Master’s degree (any year) in a relevant field, including Aerospace, Electrical, Mechanical Engineering, or Material Science. Proven ability to own and deliver a technically complex project in a fast-paced environment, preferably in a team setting (e.g., FSAE, senior design, rocket team, etc.) Interest in maintaining Class C/D mission risk posture as defined in ATR-2023-01889, such as: o Risk is a communication tool (and your friend!) o Documentation is meant to be a technical control, not bureaucracy o No single discipline guarantees mission success o Every engineering decision has measurable impacts 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. Language Requirements: Not Applicable Education: Not Applicable Relocation: Relocation assistance is not a negotiable benefit for this position. Export Control Requirement: 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. Safety Sensitive: This is not a Safety Sensitive Position. Security Clearance: This position does not require a Security Clearance. Visa Sponsorship: Employer will not sponsor applicants for employment visa status. Contingent Upon Award Program This position is not contingent upon program award Shift: Shift 1 (United States of America) Stay safe from recruitment fraud! The only way to apply for a position at Boeing is via our Careers website. Learn how to protect yourself from recruitment fraud - Recruitment Fraud Warning 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. EEO is the law Boeing EEO Policy Request an Accommodation Applicant Privacy Boeing Participates in E – Verify E-Verify (English) E-Verify (Spanish) Right to Work Statement Right to Work (English) Right to Work (Spanish)

Keywords: Boeing, Costa Mesa , Millennium Space Systems Summer 2026 Internship Program – Mission Assurance Intern, Engineering , El Segundo, California