Senior Supply Planner: Strategic, Data-Driven & Hybrid

SES - Security Equipment Supply; Earth City (MO); Hybrid; USD 85,000 - 120,000; Full time

Benefits offered by this job

Health benefits

Profit sharing

SEP IRA contributions

Career growth opportunities

Job summary

Security Equipment Supply, Inc. (SES) seeks a Senior Supply Planner to own end-to-end supply planning for finished goods in a fast-moving CPG environment.

You’ll be the central link between demand, inventory health, supplier performance, and operations, driving cost-aware decisions. The role requires strong analytical skills, advanced Excel, ERP experience, and a readiness to improve planning tools while balancing risk and customer expectations.

Qualifications

• Bachelor’s degree in Supply Chain, Business, or related field.
• 5+ years in supply or production planning (CPG preferred).
• Strong Excel proficiency (advanced functions).
• Experience building dashboards, tools, and planning models.
• ERP and inventory management system experience required.
• APICS CPIM or CSCP preferred.

Responsibilities

• Lead end-to-end supply planning to ensure product availability across all channels.
• Create, manage, and adjust purchase and transfer orders with accuracy and urgency.
• Build strong vendor relationships and address performance issues promptly.
• Anticipate risk with long-lead items and develop contingency plans.
• Optimize inventory to prevent stockouts and reduce obsolescence.
• Analyze data trends and forecast signals to improve planning accuracy.
• Monitor KPIs and drive corrective actions.
• Own and evolve planning tools, dashboards, and processes.
• Lead cost-reduction and continuous improvement initiatives.
• Travel occasionally to vendors for procurement and relationship-building.

Skills

Advanced Excel

ERP proficiency

Dashboards & planning tools

Analytical thinking

Education

Bachelor’s degree in Supply Chain, Business, or related field

APICS CPIM or CSCP preferred

Tools

ERP system

Dashboard tools

Planning models

Job description

Security Equipment Supply, Inc. (SES) seeks a Senior Supply Planner to own end-to-end supply planning for finished goods in a fast-moving CPG environment.

You’ll be the central link between demand, inventory health, supplier performance, and operations, driving cost-aware decisions. The role requires strong analytical skills, advanced Excel, ERP experience, and a readiness to improve planning tools while balancing risk and customer expectations.