Senior Buyer

Microwave Power Products (MPP)•Palo Alto, CA

6d•$90,000 - $110,000•Onsite

About The Position

For over 70 years, Microwave Power Products, Inc. (MPP) has powered innovation at the frontlines of aerospace, defense, and advanced medical technology. Our high-performance manufacturing and engineering teams enable mission-critical applications—from particle accelerators to radar systems—where quality and precision are non-negotiable. As part of a global network at TransDigm (TDG), MPP blends the agility of a focused site with the impact of an industry leader. We’re seeking individuals who thrive in environments where compliance, security, and operational excellence intersect.

Requirements

4+ years in purchasing, supplier negotiation, or materials planning
Thrive on data-driven decisions, supplier collaboration, and operational excellence.
Ability to comply with applicable export control requirements.
Must be a US citizen with the ability to obtain a U.S. Department of Defense (DoD) Security Clearance as required.

Nice To Haves

Bachelor’s degree in business, Electrical or Mechanical Engineering, or equivalent experience.
6+ years of experience in purchasing, material planning, supplier negotiation, and component sourcing.
Strong analytical skills and ability to evaluate cost, supplier performance, and materials data.
Proficiency in reading and interpreting schematics, pricing data, and MRP/ERP reports.
Excellent negotiation, written, and verbal communication skills.
Proven ability to collaborate with internal stakeholders and external suppliers.
Ability to draft and develop supplier contracts with minimal supervision.
APICS (CPIM/CSCP) or PMA certification.
Holding a security clearance is a plus.

Responsibilities

Determine material requirements based on purchase requisitions and schedules; maintain inventory at optimal levels.
Plan, schedule, and monitor material flow through the procurement lifecycle.
Expedite orders and communicate material shortages or issues to relevant personnel.
Evaluate supplier performance and develop alternate sources when needed.
Perform supplier qualification audits via site visits, interviews, and documentation review.
Negotiate pricing, terms, and conditions of purchase orders with suppliers; issue and modify POs accordingly.
Track and report monthly supplier performance metrics for major suppliers.
Maintain and execute inventory reduction plans; meet established inventory dollar targets.
Represent the materials/purchasing function in planning and cross-functional meetings.
Ensure purchasing files are accurate and compliant with accounting and legal standards.
Document procurement activities in accordance with applicable U.S. Government regulations (FAR/DFAR), as required.
Perform additional tasks and projects assigned.