✦ Luna Orbit — Finance & Accounting

Manager, Accounting Process Improvement & Optimization

at Westlake

📍 US - Houston, TX Unknown Posted April 17, 2026
Type Full-Time
Experience senior
Exp. Years Minimum of 10 years of progressive accounting experience
Education Bachelor's degree in Accounting
Category Finance & Accounting

This role leads standardization and optimization of Westlake's accounting processes, focusing on improving financial systems performance and streamlining workflows. The Manager drives end-to-end improvement projects, collaborates with IT and accounting teams to automate tasks and reporting, supports close activities, and partners with auditors on reviews and integrated audits.

  • Drive accounting process improvement initiatives and standardization
  • Collaborate with IT and business unit accounting teams to automate and standardize reporting
  • Manage projects to implement automation or process improvements
  • Support monthly, quarterly, and annual close activities
  • Collaborate with internal and independent auditors on integrated audits and regulatory requirements

The technical scope centers on controllership process redesign and financial systems output, anchored in compliance requirements (US GAAP, SEC reporting requirements, SOX compliance, and internal controls). The role applies process improvement methodologies such as Lean Six Sigma, manages change, and executes projects through design, rollout, and post-implementation outcome monitoring.

The ideal candidate is a senior accounting process improvement professional with 10+ years of progressive accounting experience, ideally including Big 4 or Next 6 firm tenure. They have strong technical command of US GAAP, SEC reporting requirements, SOX compliance, and internal controls, and can lead change management and process optimization using methodologies like Lean Six Sigma.

Bachelor's degree in Accounting requiredStrong technical knowledge of US GAAPSEC reporting requirementsSOX complianceand internal controlsDemonstrated experience in change management and process improvementStrong analytical skillsLean Six Sigma
CPABig 4 or Next 6 public accounting strongly preferredexperience at a Big 4 or Next 6 accounting firmprocess improvement methodologies like Lean Six Sigma (if interpreted as requirementalready included)
financial systemsITbusiness unit accounting teams
process mapping documentationassess current workflowsprocess standardizationprocess optimizationautomationstandardized reportingcompliance assuranceaccounting process changes documentationUS GAAPSEC reporting requirementsSOX complianceinternal controlschange managementprocess improvement methodologies like Lean Six Sigmaproject managementtraining sessionsintegrated audits
process mapping documentationworkflow assessmentprocess standardizationprocess optimizationanalytical methodsautomation of accounting processesstandardized reportingcompliance assuranceaccounting process change documentationUS GAAPSEC reporting requirementsSOX complianceinternal controlschange managementprocess improvement methodologiesLean Six Sigmafinancial systems supportmonthly close supportquarterly reviewsintegrated auditsaudit collaborationproject managementorganizational skills
cross-functional collaborationtraining facilitationmonitoring post-implementation outcomesattention to detailinterpersonal capabilityability to work cross-functionallyinitiativeorganizational skills

Preferred

CPACertified Public Accountant
Industry Energy
Job Function Optimize and standardize accounting processes and financial system outputs through automation, compliance, and change management.
Role Subtype Process improvement manager
ManagerAccounting Process Improvement and OptimizationAccounting Process Improvementprocess mappingprocess standardizationprocess optimizationworkflow assessmentautomationstandardized reportingcomplianceUS GAAPSEC reporting requirementsSOX complianceinternal controlschange managementLean Six Sigmaproject managementtraining sessionsmonthly closequarterly reviewsintegrated auditsauditorsCertified Public AccountantCPABig 4

Bachelor's degree in Accounting required, Strong technical knowledge of US GAAP, SEC reporting requirements, SOX compliance, and internal controls, Minimum of 10 years of progressive accounting experience

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