Jobs at Westlake Chemical Corporation

Acts as a trusted HR advisor to managers and employees, supporting the full employee lifecycle, employee relations, labor-law compliance, talent management, learning, succession planning, compensation, benefits, payroll, workforce planning, and organizational development. The role analyzes HR data, supports employee representatives, leads local and global HR projects, drives change initiatives, and promotes engagement and an inclusive workplace culture at the Samarate manufacturing site.

Monitors chemical plant operations, troubleshoots process and mechanical issues, improves production efficiency, quality, safety, and profitability, and supports product development and plant projects. Coordinates with engineering, customer service, sales, and production teams; investigates operating expenses; updates process documentation and emergency procedures; and provides technical support for continuous improvement and operational excellence.

Leads financial strategy, FP&A, accounting oversight, reporting, controls, SOX compliance, capital allocation, and value creation for the Housing & Infrastructure Products segment. Partners with operational and commercial leaders on budgets, forecasts, profitability, M&A, investments, working capital, and performance improvement. Oversees audits, standardization, financial systems, and a high-performing finance and accounting team across a complex, multi-site manufacturing environment.

Manages enterprise software assets, licensing compliance, entitlements, utilization, and ServiceNow Software Asset Management. Provides advanced IT customer support, handles service requests, escalates issues, documents resolutions, develops SAM policies and procedures, identifies cost savings, supports ITSM operations, and contributes to continuous-improvement projects.

Develop and execute sourcing strategies for indirect services and rental equipment/materials. Manage category objectives, preferred suppliers, negotiations, contracts, cost-reduction initiatives, market analysis, forecasts, supplier performance, and compliance. Lead cross-functional sourcing teams and RFX processes while partnering with Legal, HS&E, regulatory specialists, and business stakeholders. Support supply continuity, quality, cost optimization, and financial performance across manufacturing divisions.

Leads finance and accounting for the Siding, Trim, and Windows business units. Oversees monthly close, US GAAP compliance, SOX controls, audits, forecasting, budgeting, financial reporting, cost accounting, variance analysis, and plant-level performance reviews. Partners with business leaders on strategic decisions, process improvements, business development, and M&A integration. Manages accounting and FP&A teams across corporate and plant locations while ensuring consistent policies, accurate reporting, and staff development.

Monitor, troubleshoot, and optimize production processes for safe, reliable, cost-effective operations. Support process improvement studies, plant projects, engineering documentation, emergency procedures, environmental and safety compliance, and operational excellence initiatives. Collaborate with unit managers, supervisors, project teams, and production personnel to resolve process, mechanical, quality, and safety issues.

Leads Westlake’s global treasury function, overseeing liquidity and cash management, capital markets, corporate and project finance, foreign exchange, credit, insurance, and enterprise risk management. Advises executive leadership on acquisitions, strategic planning, capital allocation, and value creation. Manages banking and rating agency relationships, treasury policies and controls, and the treasury team’s staffing, development, and succession planning.

Leads enterprise FP&A, including budgeting, forecasting, strategic planning, KPI development, executive reporting, capital allocation, scenario analysis, and investor materials. Partners with executives, segment CFOs, and business leaders to improve cost visibility, profitability, and financial performance. Oversees corporate operating and capital plans, supports corporate development, implements FP&A technology and AI tools, and builds a high-performing finance organization through talent development and succession planning.

Own and grow a portfolio of strategic PVC accounts across the region. Lead pricing and contract negotiations, develop customer partnerships, identify new business and cross-selling opportunities, monitor market and competitor trends, and collaborate with technical, marketing, and product teams. Represent Westlake at customer meetings, conferences, and trade fairs while driving sales growth and profitability.

Represent and sell stone products across Michigan, Ohio, and Kentucky. Develop territory plans, grow sales and market share, build relationships with architects, builders, contractors, and distributors, and conduct demonstrations, training, and trade events. Manage forecasts, budgets, margins, revenue, reporting, and competitive insights while collaborating with regional sales teams. The role requires approximately 50% travel, multiple overnight stays, and a valid driver's license.

Leads indirect procurement category strategy, sourcing, supplier management, contract negotiations, cost reduction, market analysis, forecasting, and preferred-vendor programs. Partners cross-functionally with Legal, HS&E, regulatory teams, and business units to ensure supply continuity, compliance, quality, and total-cost optimization. Manages category KPIs and strategic sourcing initiatives across Westlake’s North American divisions.

Provides engineering design and technical support for instrumentation and control systems in a plant environment. Leads project planning, budgeting, procurement, contractor coordination, equipment inspection, field installation, and engineering documentation. Supports SIS, DCS, PLC, and OT network cyber protection activities while investigating maintenance issues and proposing solutions. Requires compliance with engineering, safety, regulatory, and plant standards, plus collaboration with maintenance, production, vendors, consultants, and contractors.

Accountant II manages accounting activities for a manufacturing plant, including month-end close, accounts receivable and payable, financial reporting, budgeting, forecasting, internal controls, operational analysis, and process improvement. The role partners with operations, coordinates accounting across locations, maintains documentation, and provides accurate financial information to support management decisions.

Manages sales for Westlake stone products across Colorado, Wyoming, and New Mexico. Develops territory plans, builds relationships with architects, builders, contractors, and distributors, conducts product demonstrations and training, attends trade events, forecasts sales, monitors budgets and margins, interprets market data, submits reports, and communicates installation procedures.

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.

Leads complex, multi-site capital projects from planning and engineering through procurement, construction, commissioning, startup, and closeout. Manages scope, budgets, schedules, risks, contractors, vendors, governance, and project teams. Provides leadership to project and construction managers and engineers, coordinates internal and external stakeholders, ensures safety and regulatory compliance, and reports project performance to senior leadership. The role oversees projects valued up to $200 million in the petrochemical or related industries.

Leads corporate strategy by partnering with executives and business leaders on strategic planning, market and competitive analysis, financial modeling, growth opportunities, corporate development, and business transformation. Develops business cases, evaluates investments, tracks strategic initiative performance, supports mergers and partnerships, and manages complex cross-functional projects. Communicates recommendations through compelling executive presentations and written analyses.

Manages the instrumentation, electrical systems, and controls function across petrochemical sites. Oversees maintenance, reliability, DCS/APC improvements, safety compliance, budgets, purchasing, personnel performance, operating procedures, outage work, and capital projects. Coordinates with operations and engineering teams to improve productivity, reliability, and cost effectiveness.

Supports managers, directors, and employees across operational and strategic HR matters in Rotterdam and Pernis. Responsibilities include employee relations, organizational change, workforce planning, site closure support, absence and reintegration cases, Works Council consultation, employee lifecycle management, employment law guidance, HR projects, and collaboration with Payroll, Finance, Legal, and international HR teams.