Jobs at Westlake Chemical Corporation

Leads site-level HR activities for a manufacturing plant, including employee relations, labor relations, union grievance and contract negotiations, recruiting, training, performance and talent management, compensation and benefits, payroll oversight, and advising managers on HR policies and workforce issues.

Lead product costing and Material Ledger activities for North America compounds business. Execute costing, analyze variances and inventory, validate standard costs and BOMs, prepare journal entries and reconciliations, deliver monthly variance reporting, support FP&A and plant operations, ensure SOX controls and audit readiness, and drive process improvements across multi-site manufacturing environments.

Coordinates corporate and site Process Safety Management and Risk Management programs for a chemical manufacturing facility. Responsibilities include maintaining OSHA, EPA, and DEQ compliance; managing PSM, RMP, and insurance audits; evaluating site performance; leading improvements; developing training; providing regulatory expertise; and supporting HSE strategic goals. The role requires collaboration with management teams, strong communication, project management, and occasional work in operating units requiring PPE.

Maintains high-volume accounts payable records and processes vendor invoices through Kofax, SAP, and VIM workflows. Responsibilities include invoice validation, vendor inquiries, vendor maintenance, 1099 support, payment processing, check voiding, document retention, monthly close assistance, and compliance with AP policies. The role requires accuracy, organization, effective communication, consistent attendance, and occasional overtime during accounting deadlines.

Participate in a 3–5 year electrical engineering rotational program across operations, reliability, capital projects, continuous improvement, process controls, business management, and supply chain. Work under mentorship on projects that improve process efficiency, quality, cost savings, safety, and product innovation. Rotate among U.S. plant locations every 12–18 months while developing technical, leadership, teamwork, communication, and problem-solving skills.

Lead manufacturing process optimization for PVC pipe production, focusing on output, downtime, scrap, process control, material usage, and product quality. Develop procedures, training, layouts, and data-driven improvement initiatives using Lean and Six Sigma methods. Support capital projects by defining equipment requirements, controls, facility preparation, installation, training, and production ramp-up. Provide hands-on technical problem solving and collaborate with plant leadership and operations teams.

Manufactures and processes vinyl using production machinery and cutting tools. Responsibilities include unloading finished frames, preparing and cleaning sash frames, inspecting vinyl for defects, fulfilling cutting orders, operating designated machines, and following safety procedures. The role requires accurate measurement, basic math, attention to detail, independent judgment, repetitive physical work, standing for extended shifts, lifting up to 50 pounds, and working in noisy environments with required protective equipment.

Installs plastic beads and glazing sealants on windows, fabricates frames, inspects materials for correct sizing and defects, and performs repetitive production-line work. The role requires heavy lifting, prolonged standing, adherence to safety procedures, use of hand tools, accurate tape-measure reading, and maintaining a clean work environment while handling temperature extremes and high noise levels.

Leads full-cycle recruiting for hourly and salaried roles across multiple manufacturing sites. Develops sourcing strategies, builds candidate pipelines, screens applicants, presents recommendations, coordinates hiring events, and maintains compliant recruiting data in Workday. Partners with site leadership, HR business partners, and hiring managers on workforce planning, staffing forecasts, recruiting timelines, and process improvement. May provide basic HRIS, onboarding, termination, and employee-record support.

No job responsibilities or qualifications are provided. The title indicates a fabrication role likely involving hands-on manufacturing tasks at a Westlake facility.

Install and set glass into window frames, inspect and clean glass, measure and place glass on racks, follow work orders and safety policies, communicate with supervisors, and perform repetitive physical tasks including lifting up to 50 pounds.

Optimizes chemical plant operations for efficient, safe, environmentally compliant production. Uses Statistical Process Control to drive continuous improvement, supports equipment reliability and troubleshooting, prepares operational reports and capital requests, and manages small to mid-sized capital projects. The role develops process documentation, heat and material balances, P&IDs, and basic control strategies; collaborates cross-functionally and leads small teams. Work occurs in office and operating-unit environments with required PPE and occasional travel.

Supervises shift production operations, coordinating operators, laboratory, maintenance, quality, safety, and environmental compliance activities. Ensures production schedules, product quality, equipment upkeep, training, and cost-effective operations are achieved. Maintains operational records, addresses equipment issues, initiates work orders, manages supplies and emergency purchases, makes shutdown decisions when needed, and supports continuous improvement projects.

Feeds raw materials into machinery, assembles and packs products, operates production-line equipment, performs basic quality checks, removes faulty goods, maintains a clean and safe workstation, meets production targets, and reports issues to supervisors.

Provides process engineering support for chemical, refinery, or petrochemical plant projects from conception through startup. Responsibilities include process calculations, equipment and valve sizing, P&ID redlining, project scoping, cost and capital budget support, process hazard analyses, management of change, pre-startup safety reviews, troubleshooting, unit optimization, incident reviews, and operational support during upsets, shutdowns, turnarounds, and startups. The role manages multiple projects under supervision and requires availability for callouts.

Perform engineering support at a chemical/petrochemical plant: ensure EHS compliance, monitor and troubleshoot operations, track KPIs and budgets, support turnarounds and continuous improvement, develop procedures, and provide technical assistance to maintenance and production teams.

Provides comprehensive administrative and executive support to the CFO, including complex calendar management, communication screening, travel coordination, presentations, reports, expense processing, meeting logistics, and confidential information handling. The role coordinates with executives, board members, stakeholders, and administrative teams while tracking deadlines and supporting domestic and international business activities. Requires exceptional organization, discretion, judgment, communication, and advanced Microsoft Office and data management skills.

Supports chemical plant operations through troubleshooting, process optimization, safety and environmental compliance, equipment and laboratory monitoring, process control analysis, and process improvement. Develops material and energy balances, PFDs, P&IDs, equipment specifications, operating procedures, and capital project justifications. Coordinates management of change activities, revisions, training, startups, maintenance recommendations, and investigations into process or mechanical failures.

Provides engineering design and project coordination for instrumentation and control systems in plant capital and expense projects. Develops plans, budgets, equipment specifications, procurement activities, contractor bids, and field installations. Supports maintenance and production by troubleshooting major issues and providing technical guidance on SIS, DCS, and PLC systems. Maintains engineering records and ensures projects meet scope, cost, schedule, safety, regulatory, and quality requirements.

Supervise production planning, scheduling, inventory control, and product master data for two manufacturing facilities. Balance demand, inventory, and capacity; oversee inventory accuracy, BOMs, routings, and JD Edwards item setup; monitor operational KPIs; support product changes and continuous improvement; and lead scheduling and inventory personnel while partnering across operations, engineering, quality, logistics, customer service, accounting, and supply chain.