External Manufacturing & Planning Lead (Remote Options)

ZwitterCo; Cambridge (MA); Hybrid; USD 120,000 - 150,000; Full time

Benefits offered by this job

Equity

Benefits

Job summary

ZwitterCo is seeking an External Manufacturing Planning Manager in Woburn, MA to own outsourced manufacturing lifecycle from supplier onboarding to production planning and continuous improvement.

You will manage contract manufacturers, balance supply and demand, and drive scalable systems during rapid growth. This hybrid role requires collaboration across Sales, Operations, Engineering, and Supply Chain.

Qualifications

• Bachelor's degree in a technical or related field.
• 7–10 years in manufacturing, supply chain, or operations.
• 3+ years managing contract manufacturers or outsourced production.
• Experience with ERP/MRP systems and data-driven decision making.
• Experience in high-growth tech manufacturing startups is a plus.

Responsibilities

• Serve as the primary point of contact for contract manufacturers and external suppliers.
• Lead supplier selection, qualification, and onboarding activities.
• Define and manage manufacturing scope, responsibilities, and expectations with partners.
• Build strong relationships while holding suppliers accountable to performance targets.
• Coordinate between Sales, Operations, Manufacturing, Engineering, and Supply Chain.
• Develop and maintain short- and mid-term supply plans based on forecasts and capacity.
• Translate demand signals into detailed material, purchasing, and production plans.
• Monitor progress, material readiness, and capacity to identify risks.
• Adjust plans quickly in response to changing priorities and conduct scenario planning.
• Support production ramp-ups, transfers, and scale-up activities.
• Manage inventory levels and set targets to minimize obsolescence.
• Analyze inventory health, turns, and usage trends.
• Coordinate material availability and expediting as needed.
• Support cycle counts and inventory accuracy.

Skills

Contract manufacturers management

Supply chain planning

ERP/MRP systems

Analytical mindset

Cross-functional collaboration

Education

B.S. in relevant field

Tools

ERP/MRP systems

Job description

ZwitterCo is seeking an External Manufacturing Planning Manager in Woburn, MA to own outsourced manufacturing lifecycle from supplier onboarding to production planning and continuous improvement.

You will manage contract manufacturers, balance supply and demand, and drive scalable systems during rapid growth. This hybrid role requires collaboration across Sales, Operations, Engineering, and Supply Chain.