Buyer

Quantum Space•Rockville, MD

13h

About The Position

Quantum Space is redefining mobility and autonomy in cislunar and geostationary space. Our Ranger spacecraft deliver high delta-V and on-orbit maneuverability that enable customers to access, operate, and persist in orbits previously out of reach. We’re building the infrastructure, vehicles, and operational expertise that connect and protect assets across the Earth–Moon system. Quantum Space is seeking a hands-on Buyer to own our purchasing system while also driving shipping, receiving, and incoming hardware inspection for spacecraft development and manufacturing. This role serves as the primary procurement owner for engineering and operations, ensuring critical flight hardware, materials, and services are sourced competitively, purchased accurately, delivered on time, and received with rigor and diligence. This is a hardware-forward role and is ideal for someone who enjoys working closely with suppliers, negotiating and managing purchases, coordinating with engineers, and maintaining direct visibility into the hardware that powers our spacecraft.

Requirements

3+ years of experience in purchasing, procurement, supply chain, or sourcing operations
Experience owning a purchasing or ERP system and managing purchase orders end to end
Experience working directly with suppliers to obtain quotations, manage deliveries, and resolve procurement issues
Ability to work closely with engineers to translate technical requirements into accurate purchases
Strong organizational skills and attention to detail in a fast-paced, hardware-driven environment
Clear and professional communication skills with both internal stakeholders and external vendors
To comply with U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident, protected individual per 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.

Nice To Haves

Experience in aerospace, space, defense, or other complex hardware manufacturing environments
Familiarity with mechanical, electrical, or spacecraft components and BOMs
Experience supporting R&D, prototype builds, or low-rate production
Background working at a startup or small, fast-moving engineering company
Experience with supplier onboarding, vendor performance tracking, and strategic sourcing initiatives

Responsibilities

Own the end-to-end purchasing process that directly supports spacecraft development and manufacturing
Manage supplier relationships, purchase orders, lead times, and procurement activities to ensure uninterrupted support of engineering and production programs
Ensure engineers have the right parts, materials, and services on time to meet aggressive build and test schedules
Act as the primary interface between Quantum Space and its vendors, helping keep programs moving without supply chain surprises
Manage shipping and receiving process for hardware and items that are purchased
Verify incoming hardware and materials meet purchasing and quality requirements before entering inventory or production
Improve purchasing processes, documentation, supplier performance, and vendor coordination as the company scales