Senior Planner, Materials Management Onsite Cambridge

Senior Planner, Materials Management - Onsite, Cambridge, MA Overview We are seeking a Senior Planner, Materials Management to support material availability across internal and external manufacturing operations within a regulated life sciences environment. This role partners closely with Planning, Manufacturing, Quality, Development, Regulatory, Clinical, and Commercial teams to translate demand into material strategies, strengthen inventory performance, and support reliable product supply. Key Responsibilities Planning & Material Strategy Partner with Supply Planning, Development, and Manufacturing teams to support material planning activities based on demand forecasts and production schedules. Manage material planning and procurement activities aligned to manufacturing and MRP requirements. Support cross functional planning processes and collaboration across the organization. Inventory & System Management Maintain Bills of Materials (BOMs) for commercial and development products. Optimize safety stock, reorder points, and replenishment strategies to support continuity of supply. Monitor ERP transactions and material flow to maintain inventory accuracy. Manage raw material inventory levels while balancing service, risk, and excess inventory exposure. Procurement & Supplier Coordination Create purchase requisitions and purchase orders for direct materials and help expedite critical orders when necessary. Partner with internal teams and external suppliers to resolve supply and invoicing issues. Analysis & Continuous Improvement Support reporting, scenario planning, and continuous improvement initiatives related to supply chain operations. Qualifications 4–7 years of experience in supply chain planning, materials management, procurement, or related functions within a regulated manufacturing environment. Strong understanding of materials planning, inventory control, procurement coordination, and process improvement methodologies. Experience with ERP systems such as SAP along with strong Excel and data analysis skills. Knowledge of GMP environments, manufacturing operations, and new product introduction processes preferred. Strong analytical, communication, and cross functional collaboration skills. Bachelor’s degree required; advanced degree preferred. Detail oriented, adaptable, and able to thrive in a fast paced environment. Estimated Min Rate: $45.50 Estimated Max Rate: $65.00 Benefits and Compensation This opportunity includes benefits in accordance with applicable laws and client requirements. Benefits include: Medical, Prescription, Dental & Vision Benefits (for employees working 20+ hours per week) Health Savings Account (HSA) (for employees working 20+ hours per week) Life & Disability Insurance (for employees working 20+ hours per week) MetLife Voluntary Benefits Employee Assistance Program (EAP) 401K Retirement Savings Plan Direct Deposit & weekly epayroll Referral Bonus Programs Certification and training opportunities Note: Any pay ranges displayed are estimations. Actual pay is determined by an applicant's experience, technical expertise, and other qualifications as listed in the job description. All qualified applicants are welcome to apply. Yoh, a Day & Zimmermann company, is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Visit to contact us if you are an individual with a disability and require accommodation in the application process. For California applicants, qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. By applying and submitting your resume, you authorize Yoh to review and reformat your resume to meet Yoh’s hiring clients’ preferences. To learn more about Yoh’s privacy practices, please see our Candidate Privacy Notice: #J-18808-Ljbffr