Jobs · Manufacturing · California

Senior Planner Buyer

Monarch Quantum · San Diego, CA · 1 mo ago
Manufacturing$90k–$120k/yrFull-time

Responsibilities

  • Develop and maintain material requirements plans (MRP) to support engineering builds, prototype development, and low-rate production.
  • Partner closely with Engineering to manage BOM releases, revisions, and Engineering Change Orders (ECOs).
  • 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 material alignment with program milestones.
  • Monitor and manage long-lead-time components to prevent schedule risk.
  • Proactively identify alternate parts or suppliers for long-lead or at-risk components.
  • Track and report key supply chain metrics, including OTIF, supplier lead times, purchase price variance (PPV), inventory accuracy, and material availability.
  • Maintain accurate planning parameters (lead times, safety stock, order policies) within the ERP system.
  • Identify, qualify, and manage suppliers capable of meeting technical specifications and quality requirements.
  • Lead RFQs, perform cost analysis, and negotiate pricing, terms, and delivery schedules.
  • Establish and manage supplier relationships to ensure on-time, 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 production planning, 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.
  • Startup mindset: creative, flexible, eager to wear multiple hats; passionate about building systems from the ground up; comfortable with ambiguity and change.

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.

Benefits

  • Expected annual salary range: $90,000–$120,000 (commensurate with experience).
  • 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).

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