Senior Buyer

At Lumen Dynamics, our mission is to contribute to a future where billions of people are living and thriving in space. Lumen Dynamics is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Using an incremental, hardware-rich and low-cost approach, Lumen Dynamics is rapidly developing its multi-module Haven Station. Haven Demo’s 2025 success made Lumen Dynamics the only operational commercial space station company to fly and operate its own spacecraft. Next, Haven-1 is expected to become the world’s first commercial space station when it launches, followed by additional Haven modules to enable permanent human presence by 2030. Our team is all-in, committed to executing our mission safely and on time. If you want to work with the most talented people on Earth furthering space exploration for humanity, come join us. Lumen Dynamics is looking for a Senior Buyer reporting to the Director, Supply Chain Management, to support the development of the systems that will be required for the design and build of artificial-gravity human-rated space stations. This will be a full-time , exempt position located in our Long Beach location. Responsibilities: End-to-End Commodity Management: Manage assigned commodities from demand to contract fulfillment. Strategic & Tactical Execution: Apply sourcing and supplier management expertise across all organizational levels. Supply Base Development: Optimize the supply base to meet long-term program needs. Cost and Risk Reduction Strategy: Develop strategies to reduce total cost, lead time, and supply chain risk. Supplier Research & Negotiation: Conduct market research, assess suppliers, issue RFQs/RFPs, and lead contract negotiations. Integrated Sourcing Strategy: Align sourcing with program, customer, product lifecycle, and in-service support strategies. Supplier Performance Management: Oversee supply/demand planning, schedule adherence, quality, on-time delivery, and cost for suppliers. Supplier Development & Improvement: Lead supplier improvement initiatives and integrate results into strategies. Value Engineering & Cost Analysis: Drive value engineering, BOM cost breakdowns, and should-cost analysis. Minimum Qualifications: 5 years in a Procurement role, 3 years in aerospace industry and/or manufacturing Bachelor of Science degree in Business, Engineering or Business-related field Preferred Skills & Experience: Ability to create and update request for proposals (RFPs), purchase orders (POs) and facilities work orders in an enterprise resource planning (ERP) software Ability to work effectively in a team environment Ability to make independent judgments with limited information Communication skills for relaying data (verbally and in-writing) between other employees, vendors, and customers Comfortable working in a high-stress environment balancing several projects at any given time, and the flexibility to adjust for abrupt changes in strategic direction Ability to balance multiple priorities with ambiguous instructions Additional Requirements: Ability to travel up to 20% of the time Willingness to work evenings and/or weekends to support critical mission milestones Pay Range: California $105,000 — $150,000 USD COMPENSATION AND BENEFITS Base salary will vary depending on job-related knowledge, education, skills, experience, business needs, and market demand. Salary is just one component of our comprehensive compensation package. Full-time employees also receive company equity, as well as access to a full suite of compelling benefits and perks, including: medical, dental, and vision coverage for employees and dependents, generous paid time off; up to 20+ days of vacation for exempt staff and up to 10+ days of vacation for non-exempt staff with the ability to cash-out unused vacation annually, paid parental leave, short and long-term disability insurance, life insurance, access to a 401(k) retirement plan, ClassPass credits, personalized mental healthcare through Spring Health, and other discounts and perks. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Lumen Dynamics’s ongoing commitment to providing high-quality meals for employees. U.S. EXPORT CONTROL COMPLIANCE STATUS The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. This status includes U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending. EQUAL OPPORTUNITY Lumen Dynamics is an Equal Opportunity Employer; employment with Lumen Dynamics is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.