Supplier Development Engineer Gaithersburg, MD

Xometry (NASDAQ: XMTR) powers the industries of today and tomorrow by connecting the people with big ideas to the manufacturers who can bring them to life. Xometry’s digital marketplace gives manufacturers the critical resources they need to grow their business while also making it easy for buyers at Fortune 1000 companies to tap into global manufacturing capacity. Xometry is a leading on‑demand manufacturing marketplace that's transforming how companies source and produce parts. We are looking for a highly motivated and experienced Supplier Development Engineer responsible for production partner development. In this role, you'll be the bridge between our internal Technical Sales & Sourcing teams and our external supplier network, focusing on proactively building a network of suppliers for large and production deals, optimizing supplier performance, managing risk, and ensuring our partners are prepared for complex, high‑stakes projects. Key Responsibilities Build and maintain strong, trust‑based relationships with our diverse network of manufacturing partners to increase their engagement and capacity. Engage with new supplier partners onboarded for the purpose of serving production programs, and facilitate partner success in simultaneously navigating the Xometry platform and serving the customer needs. Coach partners on industry best practices related to documentation, finishing processes, and quality assurance. Support partner readiness for complex and highly regulated programs, including those in the aerospace, defense, and medical industries. Cross‑Functional Collaboration Work closely with internal teams, including sourcing, engineering, and project management, to ensure our partners' capabilities align with the Statement of Work (SOW) requirements for each project. Support Technical Account Managers (TAMs) and Project Managers (PMs) by assessing new partner capabilities and fit for new bids and proposals. Flag potential risks early, such as capacity constraints, financial weaknesses, or geopolitical exposures, to inform strategic decision‑making. Assist in root‑cause analysis of late shipments (e.g., finishing delays, raw material shortages, inspection bottlenecks) and help partners implement sustainable mitigation plans. Controlled Processes & Special Qualifications Support the qualification of finishing suppliers (e.g., plating, anodizing, chemical conversion, coatings, paint/prime) to meet stringent aerospace and defense standards. Assist partners in pursuing and maintaining special process qualifications such as NADCAP, AMS, VAPS, PPS, and TS16949. Oversee the verification and validation of controlled processes, including heat treatment, plating, and coatings. Help identify and address compliance requirements from frameworks like DoD, FAA, TCCA, DFARS, and ITAR, ensuring our partners meet all necessary regulations. Required Qualifications Bachelor’s degree in Engineering, Supply Chain Management, or a related technical field. 3–5 years of experience in supplier development, supplier quality, or a similar role within a manufacturing or technical environment. Strong understanding of manufacturing processes and quality standards. Excellent communication and interpersonal skills with a proven ability to build and maintain relationships. Problem‑solving mindset and a talent for mediating complex situations. Knowledge of special processes and industry certifications (NADCAP, AS9100, etc.) is a significant plus. Familiarity with compliance frameworks (ITAR, DFARS) and their implications for manufacturing. Strong understanding of quality management systems and methodologies (e.g., APQP, PPAP, Lean Manufacturing, Six Sigma). Willingness to travel to supplier locations as required. The estimated base salary range for this role is $79,000–$103,000 annually plus an annual bonus based on job‑related skills, relevant experience, and location. We also offer a competitive benefits package, including 401(k) match, medical, dental and vision insurance, life and disability insurance, generous paid time off (vacation, sick leave, floating and fixed holidays, maternity and bonding leave), EAP, and other wellbeing resources. Xometry is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status. For U.S. based roles: Xometry participates in E‑Verify and, after a job offer is accepted, will provide the federal government with your Form I‑9 information to confirm that you are authorized to work in the U.S. #J-18808-Ljbffr Xometry Inc.