Principal Supplier Development Engineer, Battery (Starlink)

SpaceX
Redmond, WA$180k – $260kPosted 18 April 2026

Job Description

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. PRINCIPAL SUPPLIER DEVELOPMENT ENGINEER, BATTERY (STARLINK) SpaceX is seeking a highly motivated and technically proficient Principal Supplier Development Engineer to join our Starlink team. This pivotal role focuses on manufacturing of our battery technology and scaling production to meet the ambitious demands of the Starlink program. We are looking for individuals with high agency, a strong sense of ownership, and a proven track record of delivering results in complex manufacturing environments. RESPONSIBILITIES: Act as the primary technical point of contact for highly engineering machined components and mitigate risk to the Starship program by solving high-impact manufacturing and quality challenges throughout the supply chain Drive piece part quality and cost improvements by applying a first-principles approach to deconstruct design, material selection and manufacturing methods – identify inefficiencies and engineering solutions that drive a step change impact in performance, yield and cost reduction Identify, evaluate, and onboard new suppliers to expand supply chain capability – conducting rigorous technical assessments, driving qualification activities, and validating process capability Identify and execute alternative manufacturing methods that could result in lower cost, faster lead times, and improved quality (castings, forgings, machining, etc.) Own New Product Introduction (NPI) and qualification processes at suppliers for new parts, drawing changes, process changes, or sourcing activities Function as liaison between purchasing, engineering, manufacturing and suppliers to resolve supplier quality issues, to provide technical support, and to drive continuous improvement Influence design and sourcing decisions by leveraging technical expertise and industry insights – provide data-driven recommendations on manufacturability, quality, cost and lead time tradeoffs Own the root cause and corrective action process by leading cross-functional investigations, utilizing structured problem-solving methodologies to drive widespread implementation of robust and permanent solutions BASIC QUALIFICATIONS: Bachelor’s degree in engineering discipline (e.g. mechanical, chemical, materials, metallurgical, etc.) 8+ years of experience in a manufacturing or process engineering role PREFERRED SKILLS AND EXPERIENCE: Experience with machining methods and processes Capable of solving complex problems with little to no supervision on schedule as an individual or as a member of an integrated team Knowledge of supplier quality processes; Production Part Approval Process, Advanced Product Quality Planning, First Article Inspection Reports, etc. Knowledge of statistical techniques and methods like design of experiments, Six Sigma, etc. Experience with Quality Systems (ISO 9000/TS/AS9100/NADCAP) Experience with sharing information and influencing others; strong written and verbal communication skills, able to liaise cross functionally, internally and externally, make presentations to team members and management Proven ability to take initiative and act with urgency in ambiguous and high-pressure environments Ability to adapt quickly to shifting priorities and evolving technical challenges Own problems end-to-end, refusing to pass blame, instead digging into the details to determine and execute on path forward until resolution is achieved Continuously challenge the status quote by driving innovation ADDITIONAL REQUIREMENTS: Ability to work long hours and some nights and/or weekends when needed to meet critical deadlines Ability to travel domestically and internationally for business needs - up to 50% COMPENSATION AND BENEFITS: Pay range: Pri ... (truncated, view full listing at source)
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