Senior Buyer

Entangled Future; San Diego (CA); On-site; USD 110,000 - 150,000; Full time

Job summary

Monarch Quantum in San Diego, California, seeks a Senior Buyer to build our supply base for cutting-edge hardware. You will execute strategic sourcing and manage BOM releases, ECOs, and supplier alignment with program milestones in a fast-paced, engineering-driven environment.

You will lead RFQs, perform cost analysis, negotiate MPAs, monitor lead times, and expand a robust supplier panel while partnering with Engineering, Quality, and Finance to ensure material readiness for complex products.

Qualifications

• Bachelor’s degree or equivalent experience in a related field.
• 5–8 years of procurement/buyer experience.
• Experience supporting NPI or low-volume, high-mix manufacturing.
• Experience in high-tech hardware sectors preferred.
• Ability to read and interpret technical drawings and specifications.
• Strong ERP/MRP experience; advanced Excel skills.
• Familiarity with demand planning, MRP logic, and inventory control.
• Understanding of supplier negotiations, RFQs, and basic contract terms.
• ISO9001 or AS9100 familiarity preferred.

Responsibilities

• Develop and maintain material purchasing requirements and BOM releases with Engineering.
• Manage procurement against the Master Production Schedule and align with cost, schedule and performance goals.
• Identify and qualify alternate parts or suppliers for long-lead components.
• Track supply chain metrics such as OTIF, lead times, and PPV.
• Build and manage a robust panel of qualified suppliers.
• Lead RFQs, cost analysis, and MPAs including terms and delivery schedules.
• Establish strategic supplier partnerships for scalability and quality.

Skills

Advanced Excel

ERP/MRP systems

Technical drawings interpretation

Negotiation

Education

Bachelor’s degree in Supply Chain, Engineering, Business, or related field

Tools

ERP/MRP software

Job description

Senior Buyer at Monarch Quantum, San Diego, California, United States. A senior-level full time position in the Corporate team, listed under hardware engineering.

Join our dynamic team as a Senior Buyer. You’ll play a key role in building our supply base foundation, working with cutting-edge technologies and supporting new product development. This position is ideal for a self-starter who thrives in a fast-paced, engineering-driven environment and enjoys working closely with technical teams to ensure commercial and material readiness for complex products. You will execute strategic sourcing and procurement activities that support rapid product iteration, evolving Bills of Materials (BOMs), and demanding technical requirements. This role is an experienced individual contributor position with significant cross-functional exposure. Your key responsibilities are as follows:

• Develop and maintain material purchasing requirements Partner closely with Engineering to manage BOM releases, revisions, and Engineering Change Orders (ECOs) from a total cost and lead-time perspective.
• Execute procurement against the Master Production Schedule (MPS) and ensure materials are aligned to cost, schedule, and performance objectives. Collaborate with Engineering, Quality, Program Management, and Finance to ensure supplier alignment with program milestones.
• Monitor and manage long-lead-time components to prevent potential risk. Proactively identify and qualify alternate parts or suppliers for long-lead or at-risk components.
• Track and report key supply chain metrics, including Supplier OTIF, lead times, Purchase Price Variance (PPV), and material availability.
• Identify, qualify, and manage a robust panel of suppliers capable of meeting technical specifications and quality requirements.
• Lead RFQs, perform detailed cost analysis/should-costing, and negotiate Master Purchase Agreements (MPAs), pricing, terms, and delivery schedules.
• Establish and manage strategic supplier partnerships to ensure long-term scalability and high-quality performance.

Requirements

• This position requires access to export-controlled information. Employment is contingent upon the applicant being a U.S. person as defined by 8 U.S.C. § 1324b(a)(3).
• Bachelor’s degree in Supply Chain, Engineering, Business, or related field; or equivalent experience.
• 5–8 years of experience in procurement or planner/buyer roles.
• Experience supporting new product introduction (NPI) or low-volume, high-mix manufacturing environments.
• Experience in high-tech hardware sectors such as photonics, electronics, aerospace, or precision manufacturing preferred.
• Ability to read and interpret technical drawings and specifications.
• Strong ERP/MRP system experience; advanced Excel skills required.
• Familiarity with demand planning, MRP logic, and inventory control principles.
• Understanding of supplier negotiations, RFQs, and basic contract terms.
• Working knowledge of ISO9001 or AS9100 environments preferred.