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Supply Planner II

S Martinelli and Company
Watsonville, CA Full Time
POSTED ON 4/11/2026
AVAILABLE BEFORE 6/11/2026

Job Summary

 

The Supply Planner II will be a strategic and detail‑oriented individual to optimize supply chain operations, strengthen demand planning processes, negotiate, and enhance inventory performance in a fast‑paced manufacturing environment. This role requires strong analytical skills, cross‑functional collaboration, and the ability to lead continuous improvement initiatives that align supply with organizational goals. Reports directly to the Procurement Manager.


Job Functions 

  • Manage end-to-end supply chain planning, ensuring alignment between customer demand, production capacities, and inventory strategies.
  • Responsible for the administration of inventory management and materials planning for all supply components and materials using SAP, the company’s enterprise resource planning system (ERP).
  • Maintain and improve rolling forecasts, leveraging data insights to optimize supplier inventory control and reduce excess stock.
  • Conduct root cause analysis to identify and resolve inventory discrepancies, implementing corrective and preventive actions. Provide analysis of cycle counting results.
  • Analyze the scope of routine problems and resolve or provide information for resolution.
  • Coordinate with suppliers to ensure on-time fulfillment of materials.
  • Support new product introductions and packaging changes, ensuring seamless material transitions, supplier readiness, and production alignment.
  • Optimize inventory levels across multiple warehouse locations to maintain adequate safety stock and support production schedules. Minimize carrying costs.
  • Execute and monitor Supply agreements based on spend and volume.
  • Update daily, weekly, monthly, and annual reports relating to supply items and production planning.
  • Communicate supply concerns to the Procurement Manager
  • Partner with cross-functional teams to improve supply chain workflows, strengthen communication, and drive operational efficiency through packaging performance. 
  • Manage the lifecycle of nonconforming packaging materials, from identification through final resolution. Initiate supplier corrective and preventative actions. Maintain clear communications with suppliers and internal stakeholders regarding disposition of non-conforming materials and the effect on the production plan.
  • Supports the supply chain team as needed

 

Job Qualifications  

  • 7 years of experience in supply chain planning, inventory control, demand planning, or related roles within manufacturing or Consumer Packaging Goods (CPG) environments.
  • Strong expertise in demand planning, supply planning, and inventory optimization.
  • Advanced data analysis and reporting skills, with the ability to interpret complex data and generate actionable insights.
  • Proficiency in ERP systems and advanced Excel.
  • Excellent cross-functional collaboration, communication, and stakeholder management skills.
  • Strong supplier relationship management, including corrective action follow-up, negotiation, and performance oversight.
  • Proven ability to lead continuous improvement initiatives and drive measurable operational results.
  • Demonstrated success in resolving supply discrepancies, reducing inventory liability, and supporting production efficiency.


Preferred Skills (not required)

  • Bilingual in English / Spanish
  • APICS certification


Company Standard Knowledge, Skills, and Abilities 

  • Ability to communicate effectively, both orally and in writing.
  • Ability to establish and maintain effective and cooperative working relationships with Company staff and others contacted in the course of work.
  • Ability to assume responsibility and exercise good judgment in making decisions within the scope of authority of the position.
  • Ability to readily adapt to changing priorities and take direction from more than one staff member.
  • Ability to think and work effectively under pressure and accurately complete tasks within established times. 
  • Ability to work in a fast-paced environment, to prioritize tasks, meet multiple deadlines and ensure. that work is accomplished in the time frames required.
  • Ability to be highly organized and provide careful attention to detail and accuracy.
  • Ability to exercise individual initiative and discretion in confidential matters and to respect. confidential matters.

 

Physical Demands and Working Environment

 

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of the job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. 

  • Ability to pass a background check and drug screen.
  • Ability to safely navigate and work in a production and warehouse environment 


 

All Employees Are Expected To 

  • Comply with all Company safety requirements.
  • Adhere to all Company policies and procedures.


Benefits

 

Upon meeting eligibility requirements, the Company offers the following: health insurance coverage, LTD, 401(k) profit share contributions, paid sick leave, paid vacation leave, and eight (8) paid holidays per year. Eligible employees may also make 401(k) elective deferral contributions and may elect a co-pay plan for health insurance coverage for eligible dependents.

 

Disclaimer

 

This job description is only a summary of the typical functions of the job, not an exhaustive or comprehensive list of all possible job responsibilities, tasks, and other duties as assigned.


Equal Employment Opportunity Statement

 

S. Martinelli & Company is an Equal Opportunity Employer (EOE). All qualified applicants will receive consideration for employment without regard to race, color, gender, sexual orientation, gender identity or expression, religion, national origin, marital status, age, disability, veteran status, genetic information, or any other protected status.

 

Pay range: $34.00 /hr. to $41.00/hr.

Salary : $34 - $41

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