Buyer

Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and propulsion capability. We build fast and iterate quickly.

Who We’re Looking For

We are seeking a highly motivated, detail-oriented, and resourceful Buyer to support procurement and supply chain operations across Quantum Space's growing spacecraft development and manufacturing programs. In this role, you will be responsible for coordinating purchasing activities, managing supplier relationships, and ensuring the timely acquisition of materials, equipment, and services that support our engineering, production, and business operations.

You will work at the intersection of supply chain, procurement, engineering, manufacturing, facilities, and finance—collaborating with internal stakeholders and external suppliers to ensure purchasing activities are executed accurately, efficiently, and in alignment with company priorities.

You will play a key role in maintaining supplier performance, improving procurement processes, and supporting cost, quality, and delivery objectives. This position is ideal for someone who thrives in a fast-paced, hands-on environment, approaches challenges with creativity and urgency, and enjoys building strong supplier partnerships while helping a growing aerospace company operate at scale.

Where You’ll Make an Impact

• Review purchase requisitions and issue accurate, timely purchase orders for materials, equipment, services, and other business requirements
• Manage purchasing activities across multiple commodities and internal functions, including production, engineering, facilities, capital projects, and general business operations
• Ensure purchase orders are acknowledged by suppliers and confirm pricing, quantities, delivery schedules, and contractual terms
• Review supplier quotations for completeness, accuracy, competitiveness, and alignment with Quantum Space's purchasing requirements and terms and conditions
• Obtain and document original supplier promise dates, monitor delivery commitments, and proactively identify potential schedule risks
• Maintain and review open purchase order reports, track outstanding deliveries, and coordinate with suppliers to ensure materials and services arrive on schedule
• Expedite critical parts, equipment, and services to support production schedules, engineering milestones, and operational priorities
• Serve as a primary point of contact for internal stakeholders, providing responsive procurement support, order status updates, and timely resolution of purchasing issues
• Collaborate with Finance, Accounts Payable, and suppliers to resolve invoice discrepancies, pricing issues, and payment concerns
• Support supplier performance management by monitoring cost, quality, delivery, responsiveness, and overall reliability
• Partner with procurement and supply chain leadership to identify cost savings opportunities, improve purchasing efficiency, and strengthen supplier relationships
• Lead supplier onboarding activities, including collecting required documentation, coordinating internal approvals, and ensuring supplier records are accurate and complete
• Support supplier negotiations and purchasing decisions to achieve competitive pricing, favorable terms, and reliable delivery performance
• Lead assigned procurement projects and process improvement initiatives that enhance purchasing operations and supply chain effectiveness
• Maintain accurate purchasing records, supplier information, and procurement documentation within applicable business systems
• Collaborate with engineering, production, and supply chain teams to identify and resolve procurement constraints that could impact spacecraft development, manufacturing, or integration schedules
• Help establish scalable, efficient, and disciplined procurement practices that enable Quantum Space to move quickly without compromising quality, cost effectiveness, or supplier accountability

What It Takes