Posted 9 d agoFirst seen 9 d ago
Senior Buyer
·San Diego, California, United States·via Workable
Posted by Monarch Quantum on 5 November 2026, 9 days ago. Still on their Workable board when we checked 27 min ago. Half of Monarch Quantum's roles come down within 36 days.
senior5+ yrsFull time
What the posting is about
Join Monarch Quantum as a Senior Buyer to build our supply base foundation, work with cutting-edge technologies, and support new product development. Collaborate with technical teams to ensure commercial and material readiness for complex products. Execute strategic sourcing and procurement activities in a fast-paced, engineering-driven environment. This role requires a self-starter with experience in procurement, supporting new product introduction, and familiarity with high-tech hardware sectors.
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Read out of the posting
Levelsenior
Experience asked5+ years
EmploymentFull time
LocationSan Diego, California, United States
Work arrangementNot stated
Visa sponsorshipNot stated
SalaryNot extracted, check the posting
Posted2026-11-05
Found viaworkable, direct from their system
We saw it 16 hours after it went up.
The posting, as the company wrote it
Employment: Full-time
Experience: Associate
Education: Bachelor's Degree
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).
Experience:
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.
Skills:
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.
Strong organizational skills with the ability to manage multiple priorities in a dynamic environment.
Startup Mindset:
You're creative, flexible, and eager to wear multiple hats.
You're passionate about building systems from the ground up and comfortable with ambiguity and change.
Benefits
The expected annual salary range for this position is $90,000-$120,000 (commensurate with experience).
As a full-time employee, you will be eligible for Monarch’s comprehensive benefits package, which includes:
Medical, Dental, and Vision insurance
Fidelity 401(k) plan with 4% employer matching
20 paid time off (PTO) days per year
13 paid company holidays
9/80 work schedule (every other Friday off)
Monarch Quantum is proud to be an equal opportunity employer and does not discriminate on the basis of race, color, citizenship status, national origin, ancestry, sex, sexual orientation, age, religion, creed, physical or mental disability, medical condition, marital status, veteran status or any other characteristics protected under applicable federal, state and local laws.
Also open at Monarch Quantum
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