Spacecraft Thermal Engineer (Mid-Career) - Millennium Space Systems

Company 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 on global security, such as missile warning and Earth observation. Job Description Thermal Engineers support the Spacecraft Development Program Managers and Chief Systems Engineer through the development of all spacecraft thermal system configurations, designs, analyses, testing, and flight operations. This includes passive and active control of the satellite’s environment across all system stages, and may also involve support for MLI blanket design, fabrication, and installation. Job Summary The internal job code is Mechanical System Design & Analysis Engineer. This team is hiring for a level 3-4. Responsibilities Perform spacecraft thermal design and analyses at the board, component, subsystem, and system level Develop systems and spacecraft element thermal models to predict thermal loads, impacts, and temperature margins to support system design Brief design and analysis materials to program managers, customers, and/or sponsors Identify all materials, processes, and facilities to achieve a qualified spacecraft thermal design and operation Assist in proposal and new business development efforts Support thermal verification testing on spacecraft systems and components—including test design, conduct, data reduction, analysis, and reporting Support the development of tools to aid in conceptual designs and post‑processing analysis Potential to cross‑train with the MLI team for hands‑on support Security Clearance & Export Control Requirements This position must meet U.S. export control compliance requirements. The applicant must be a U.S. Person as defined by 22C.F.R. and be able to obtain and maintain a TS/SCI Security Clearance. Minimum Qualifications Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, Physics, or a related field Two or more years of experience in the design, development, analysis, implementation, testing, and/or operation of spacecraft thermal systems or other complex thermal systems Proficiency with thermal analysis tools (e.g., Thermal Desktop, SINDA/FLUINT, ANSYS, Thermica) Ability to obtain and maintain a TS/SCI Security Clearance Preferred Qualifications Active TS/SCI Clearance Shift 1st shift. Position is 100% onsite. The selected candidate will be required to work at one of the listed location options. Total Rewards Competitive base pay and variable compensation opportunities. Eligible employees may enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance, and paid and unpaid time off. Pay is based on candidate experience, qualifications, market, and business considerations. Pay Range Level3: $102,000 – $150,000 Level4: $124,100 – $182,500 Language Requirements Not applicable. Education Bachelor’s Degree or Equivalent. Relocation Relocation assistance is not a negotiable benefit for this position. Security Clearance Ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. citizenship. An interim and/or final U.S. Secret Clearance post‑start is required. Visa Sponsorship Employer will not sponsor employment visa status. EEO Statement Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability, genetic factors, military or veteran status, or any other protected characteristic. E‑Verify is required. #J-18808-Ljbffr