Senior Supply Chain Planner

Guardant Health•Palo Alto, CA
•Hybrid

About The Position

The Senior Supply Chain Planner owns supply chain planning for assigned product lines in a fast-scaling biotech environment. This experienced, independent planner drives forecast accuracy, manages material requirements end-to-end, and leads continuous improvement in planning, scrap reduction, and product launch execution. The role works across Engineering, Manufacturing, Quality, Warehouse, and Finance to ensure material availability, optimize inventory, and improve processes. Planning decisions directly affect laboratory service levels, manufacturing efficiency, and patient testing turnaround time. The position is primarily desk- and office-based, with occasional visits to manufacturing and warehouse locations. Employees within 50 miles of a Guardant facility are required to be onsite Mondays, Tuesdays, and Thursdays, with work-from-home days for individual-focused work, subject to management and applicable policies. The role also requires curiosity, sound judgment, and responsible use of AI-enabled tools in accordance with company policies, ethical standards, and regulatory requirements.

Requirements

  • Bachelor’s degree or equivalent.
  • 5–8 years of experience in supply chain planning, operations, or material management.
  • Demonstrated experience in end-of-life management, scrap reduction, or product lifecycle management.
  • Track record of leading successful product launches or new product introductions.
  • Experience with MRP systems such as Oracle, SAP, or equivalent, and with manufacturing or biotech environments.
  • Strong analytical and problem-solving skills and ability to work independently without constant supervision.
  • Excel proficiency for data analysis, forecasting, and reporting.
  • Clear written and verbal communication skills and ability to influence across functions.
  • Metrics-driven approach and comfort with ambiguity, rapid growth, and regulated environments such as GMP/GDP.
  • Understanding of MRP/MPS logic, bills of materials, work orders, and inventory management principles.
  • Basic cost accounting and inventory valuation knowledge, and understanding of compliance and traceability in regulated environments.
  • Ability to sit for extended periods and lift routine office supplies.

Nice To Haves

  • C.P.M. and/or C.P.I.M. certification.
  • Familiarity with BI tools such as Tableau or Power BI.

Responsibilities

  • Own MRP for assigned product lines and improve forecast accuracy, with a target of 85% or higher.
  • Identify and escalate forecast variances, investigate causes, and propose corrective actions and root-cause solutions.
  • Forecast material shortages and supply-chain risks 6–8 weeks in advance, maintaining a forward-looking shortage pipeline and mitigation plans.
  • Create and manage material purchasing timelines aligned with manufacturing schedules and site or laboratory replenishment requirements.
  • Lead end-of-life planning for obsolete or discontinued products and identify ways to liquidate excess inventory and minimize scrap.
  • Analyze scrap drivers, including quality issues, waste, damaged goods, and expiration, and propose process or sourcing improvements.
  • Coordinate disposal of obsolete or non-conforming material and document financial impact and lessons learned.
  • Support manufacturing readiness for new product launches by validating BOMs, coordinating material availability, and creating launch work-order plans.
  • Coordinate with Engineering, Quality, and Warehouse on material staging, validation, and fulfillment readiness.
  • Ensure material accuracy and traceability through SOP compliance and escalate supply-chain blockers that could delay launches.
  • Own product-line KPIs, including forecast accuracy, months of supply, inventory accuracy, on-time delivery, and scrap rate, and create dashboards to improve visibility.
  • Identify planning-process inefficiencies and document SOPs, decision criteria, and lessons learned from shortages and scrap events.
  • Propose and implement improvements to Oracle, APEX, and MRP tools to automate planning, reduce manual effort, and improve accuracy.
  • Lead process improvements that balance inventory security with carrying costs and target cost savings through optimization.
  • Partner with Engineering, Manufacturing, Quality, Warehouse, and Finance on planning issues, product changes, and supply-chain risks.
  • Investigate root causes of planning failures, including stockouts, scrap, and forecast misses; make decisions within authority and escalate appropriately.
  • Communicate planning status, risks, and recommendations clearly to leadership and stakeholders.
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