Senior Production Planning Manager

Mercury Systems; Chantilly (VA); On-site; USD 110,000 - 150,000; Full time

Job summary

Mercury Systems seeks a Planning Manager to lead site planning activities—producing schedules, balancing demand with capacity, and ensuring ERP data integrity. You will drive KPI performance and optimize inventory while coordinating with Operations, Procurement, Engineering, and Program Management.

You will guide a high‑performing planning team, improve forecast accuracy, and support delivery performance and cash release through disciplined planning and continuous improvement.

Qualifications

• Bachelor's degree in Supply Chain, Operations Management, Industrial Engineering or related field.
• 7+ years of manufacturing planning or supply chain experience.
• 3+ years of leadership experience.
• Experience in complex manufacturing environments (high‑mix, low‑volume preferred).
• Strong knowledge of ERP/MRP systems (Oracle, SAP, Epicor, Costpoint, or similar).
• Experience with capacity planning, production scheduling, and inventory management.
• Advanced Excel and data analysis skills.
• Strong communication and cross‑functional leadership abilities.

Responsibilities

• Lead site production planning and master scheduling processes.
• Develop executable production schedules balancing demand, capacity, labor, and material constraints.
• Drive schedule adherence and production stability while managing changes and prioritising orders.
• Ensure ERP planning parameters including lead times, lot sizing, safety stock, planning horizons, and BOMs.
• Partner with Procurement to ensure timely material availability and mitigate shortages.
• Lead shortage management and recovery activities; monitor inventory levels and working capital.
• Support monthly S&OP and weekly S&OE processes; communicate supply risks and mitigation.
• Improve planning processes through Lean principles and data‑driven decision making.
• Lead, coach, and develop the planning team; foster accountability and continuous improvement.

Skills

Leadership

Cross-functional collaboration

ERP/MRP proficiency

Advanced Excel

Data analysis

Communication

Education

Bachelor's degree in Supply Chain/Operations/Industrial Engineering

Tools

Oracle

SAP

Epicor

Costpoint

Job description

Mercury Systems seeks a Planning Manager to lead site planning activities—producing schedules, balancing demand with capacity, and ensuring ERP data integrity. You will drive KPI performance and optimize inventory while coordinating with Operations, Procurement, Engineering, and Program Management.

You will guide a high‑performing planning team, improve forecast accuracy, and support delivery performance and cash release through disciplined planning and continuous improvement.