Inventory Planning Lead, SIOP & DRP Strategy

Westlake Pipe & Fittings; Houston (TX); On-site; USD 110,000 - 140,000; Full time

Job summary

Westlake Pipe & Fittings is seeking an experienced Inventory Planning professional to oversee the SIOP process and manage the multi‑location distribution network across North America. You will standardize DRP parameters, ensure ERP data integrity, and lead replenishment for optimal service levels.

The role requires 5+ years in supply chain/inventory management, strong analytical skills, and proficiency with ERP/MRP systems. Travel up to 25% may be required.

Qualifications

• Bachelor's degree in Supply Chain or related field.
• 5+ years of supply chain and inventory management experience.
• Strong analytical skills with ability to develop concepts with actionable plan.
• Proficient with MS Excel, Word, Outlook, Power BI.
• MRP experience required.
• ASCM/APICS certification is preferred.
• Experience with ERP Systems, with SAP S/4HANA preferred.
• Experience with Kinaxis, Arkieva is preferred.
• Be able to travel to sites as needed (up to 25% travel).
• Able to multi-task in a fast-paced environment.
• Demonstrated excellent interpersonal and communication skills.

Responsibilities

• Develop and communicate the inventory plan through the monthly SIOP process.
• Oversee inventory management and replenishment across North America
• Standardize DRP parameters and processes
• Ensure ERP data is set up for inventory management and DRP execution
• Executes the replenishment strategy to support the demand plan and service levels
• Train replenishment analysts for DRP tasks
• Ensure inventory management processes for DRP planners
• Develop storage capacity tools as part of the RRP process
• Forecast storage capacity and identify constraints; suggest network improvements
• Define inventory planning parameters (ABCXYZ, safety stock, reorder points)
• Report KPIs (Fill Rate, OTIF, Aging, Inventory Turns, etc.)
• Design optimal inventory mix by site to meet demand plan
• Support planning system implementation as part of digital strategy
• Utilize change management to drive organizational change

Skills

Analytical skills

MRP experience

MS Excel

Power BI

Interpersonal communication

Travel readiness

Education

Bachelor’s degree in Supply Chain or related field

ASCM/APICS certification

Tools

SAP S/4HANA

Kinaxis

Arkieva

MS Word

MS Outlook

Job description

Westlake Pipe & Fittings is seeking an experienced Inventory Planning professional to oversee the SIOP process and manage the multi‑location distribution network across North America. You will standardize DRP parameters, ensure ERP data integrity, and lead replenishment for optimal service levels.

The role requires 5+ years in supply chain/inventory management, strong analytical skills, and proficiency with ERP/MRP systems. Travel up to 25% may be required.