Senior Supply Chain Buyer

Hadrian - Manufacturing the FutureHadrian is building autonomous factories to reindustrialize America. By combining AI, advanced software, robotics, and full-stack manufacturing, we help aerospace and defense companies build rockets, satellites, aircraft, ships, and other mission-critical systems up to 10x faster and at significantly lower cost.Following our $1.37B Series D at a $7.87B valuation, Hadrian is rapidly expanding our manufacturing footprint, launching new capabilities across welding, casting, forging, electronics, additive manufacturing, and more, while scaling our Factory-as-a-Service platform to transform how critical products are built.Backed by leading investors including JPMorgan Chase, Valor Equity Partners, Andreessen Horowitz, Founders Fund, 137 Ventures, Lux Capital, T. Rowe Price, and Morgan Stanley, we’re building the future of American manufacturing—and looking for exceptional people to help make it happen.If you’re ready to take on the most challenging and rewarding work of your career while helping create American manufacturing jobs for generations to come, you’re exactly who we’re looking for.The RoleThe Senior Supply Chain Buyer is responsible for end-to-end procurement execution and supplier management in support of Hadrian's supply chain. This role sits at the intersection of sourcing, contract management, and supplier performance: acting as the connective tissue between our customers, internal teams, and supply base. You will own the full lifecycle from RFQ through PO execution, ensuring we hit cost, quality, and schedule targets while building the supplier relationships that sustain long-term program success.What You'll DoYour responsibilities will include, but are not limited to the following:Lead sourcing efforts across your assigned commodity or program area, including RFQ development, supplier selection, negotiation, and PO management through acknowledgement.Serve as the primary interface between suppliers and customers, ensuring alignment on requirements, timelines, and quality standards across the supply chain.Own demand fulfillment accountability, with a relentless focus on quality, while optimizing for cost and schedule.Develop and maintain strong supplier relationships, using performance data and KPIs to drive accountability, continuous improvement, and root cause resolution in partnership with Supplier Quality.Provide tactical support on both customer and supplier contracts, ensuring commercial and technical requirements are executed and upheld.Identify process gaps and build or improve operational workflows where they don't yet exist.Maintain tight feedback loop with internal supplier quality to ensure issue resolution is swift and accurate.What We're Looking For2+ years of relevant experience in procurement or supply chain execution owning commodities such as machined components, electronics, sheet metal, raw material, PCB/PCBA, capex, indirect.Bachelor's degree in supply chain management, business, engineering, or related field.Strong project management instincts: able to juggle multiple accounts and competing priorities with high attention to detail and clear, proactive communication to all stakeholders.Comfortable navigating engineering data (drawings, GD&T, specifications) to interpret manufacturing requirements.Proven ability to build cross-functional relationships with engineers, supply chain peers, and other internal stakeholders alike.Experience working in fast-paced, ambiguous environments where priorities shift and speed matters.Proficiency with ERP related systems and purchasing/planning functions.What Will Set You ApartExperience interpreting GD&T and component profiles to determine manufacturing requirements.Track record of successful NPI negotiations without prior purchase or sourcing data to rely on.Supplier performance management experience influencing improvement through KPI-driven actions.Familiarity with aerospace, defense, or other regulated manufacturing industries.Experience with personally growing and developing a supply base.CompensationFor this role, the target salary range is $73,000 - $134,000 (actual range may vary based on experience).This is the lowest to highest salary we reasonably and in good faith believe we would pay for this role at the time of this posting. We may ultimately pay more or less than the posted range, and the range may be modified in the future. An employee's pay position within the salary range will be based on several factors, including, but not limited to, relevant education, qualifications, certifications, experience, skills, geographic location, performance, and business or organizational needs.Benefits for Full-time EmployeesMedical, dental, vision, and life insurance plans for employees 401k Relocation support may be provided for certain situations, based on business need. Flexible vacation policy EquityITAR RequirementsTo conform to U.S. Government export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen or national, lawful permanent resident, protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.Use of AI in hiringHadrian uses AI-assisted tools in our recruiting and hiring processes to help our team work more efficiently. This may include tools that help organize and analyze recruiting data, as well as an AI-powered notetaker that can record and transcribe interviews and help coordinate feedback. These tools support our team and are not used to make hiring decisions. All candidate evaluations and hiring decisions are performed by humans. If an interview will be recorded, you will be notified in advance and may opt out at any time with no impact on your candidacy. Candidate data processed through these tools is subject to the same protections described in our Privacy Policy.Consideration of Criminal HistoryHadrian will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of all applicable laws. We do not ask about criminal history on our application, and we do not consider criminal history before making a conditional offer of employment.Hadrian Is An Equal Opportunity EmployerHadrian does not unlawfully discriminate on the basis of race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, marital status, mental status, physical disability or any other legally protected status. When necessary, the Company also makes reasonable accommodations for disabled candidates and employees, including for candidates or employees who are disabled by pregnancy, childbirth, or related medical conditions.Compensation Range: $73K - $134KLocationLos Angeles, CAEmployment TypeFull timeLocation TypeOn-siteDepartmentManufacturingCompensation$73K – $134K • Offers Equity