Accounts Payable Supervisor

Occidental Chemical Corporation; Dallas (TX); On-site; USD 70,000 - 100,000; Full time

Job summary

Occidental Chemical Corporation is seeking an Accounts Payable leader to supervise invoice intake, processing, and payment activities across multiple payables streams. The role requires strong supervisory experience and deep knowledge of SAP S/4HANA, VIM, Ariba, Concur, and FileNet.

You will oversee third-party AP vendors, enforce internal controls, and drive process improvements while coordinating onshore and offshore teams to ensure timely, accurate payments and audit-ready documentation.

Qualifications

• 3-5 years of Accounts Payable experience, preferably in a high-volume or hybrid delivery environment.
• Prior lead or supervisory experience strongly preferred.
• Working knowledge of SAP S/4HANA, VIM, Ariba, Concur, FileNet, and bank portals.
• Strong understanding of internal controls, separation of duties, and compliance requirements.
• High attention to detail and strong problem-solving skills.

Responsibilities

• Oversee invoice intake activities, including mailroom coordination, scanning, OCR exception resolution, and ingestion monitoring.
• Manage processing of invoices across plant, freight, corporate, and utility payables with proper matching and approval routing.
• Lead payment support activities: checks, escheatment, and unclaimed property tasks, ensuring accuracy and audit readiness.
• Supervise third-party execution of high-volume AP tasks, ensuring accuracy, timely payments, and vendor inquiries are resolved.
• Maintain documentation for audits and enforce internal controls and escalation protocols.
• Coordinate daily workflows between onshore and offshore teams to meet service levels.

Skills

Leadership

Supervision

Process monitoring

Analytical thinking

Cross-functional collaboration

Auditing

Vendor management

Tools

SAP S/4HANA

VIM

Ariba

Concur

FileNet

Job description

At OxyChem, our chemistry makes modern life possible, and it is our people who make the difference. We are a safety-first, purpose-driven team committed to innovation, environmental responsibility, and doing things the right way. If you are ready to contribute, elevate your skills, and take ownership of your career, Oxychem offers the opportunity to make a difference every day.

OxyChem, a Berkshire Hathaway company, is a leading producer of essential chemistry with operations in the U.S., Canada and Latin America. OxyChem's products play an essential role in everyday life, supporting critical applications in water treatment, pharmaceuticals, healthcare, manufacturing, automotive, personal hygiene, and residential and commercial construction. OxyChem actively participates in the Occupational Safety and Health Administration Voluntary Protection Program, underscoring our commitment to safety. Headquartered in Dallas, Texas, OxyChem is a top three U.S. manufacturer of polyvinyl chloride, chlor-alkali and chlorinated organic chemicals, and calcium chloride. Visit oxychem.com for more information.

In a fast-paced industry that demands precision, we create a supportive workplace where the safety and well‑being of our employees are paramount. We are committed to rewarding top performers, offering very competitive pay and benefits, and providing tremendous career development opportunities.

Core Accounts Payable Operations:

• Supervise onsite invoice intake activities, including mailroom coordination, physical invoice handling, scanning, OCR exception resolution, and ingestion monitoring.
• Oversee processing of invoices across plant, freight, corporate, and utility payables, ensuring proper 2way and 3way matching, tolerance validation, and approval routing.
• Perform and supervise OxyChem retained payment support activities, including:
  • Physical check return reconciliation
  • Check void and reissue support
  • Monitoring and resolution of failed or returned payments
  • Support escheatment and unclaimed property activities, including dormant property identification, due diligence coordination, and audit support.
  • Enforce OxyChem policies for T&E and Purchasing Card (PCard) programs, including audit exception review, delinquency follow-ups, refund enforcement, and employee separation processing.
  • Maintain audit ready documentation and provide invoice copies, screenshots, and control evidence for internal and external audits.
• Supervise and monitor third-party execution of high-volume transactional activities, including:
  • Invoice processing and exception handling
  • Payment run preparation support
  • Vendor inquiry resolution
  • Reconciliation and reporting activities
  • Review work output for accuracy, completeness, and compliance with OxyChem procedures before acceptance.
  • Act as the first level escalation point for operational issues, quality concerns, and service delivery gaps.
  • Ensure adherence to separation of duties requirements, approval protocols, and escalation thresholds.
  • Coordinate daily workflows, priorities, and handoffs between onshore and offshore teams.

Team & Leadership Training:

• Provide day to day coaching, guidance, and performance feedback to AP team members.
• Support onboarding, training, and knowledge transfer for new hires and third-party resources.
• Reinforce standard operating procedures, internal controls, and escalation protocols.
• Promote a culture of accountability, accuracy, and service excellence.

Process Monitoring & Continuous Improvement

• Monitor operational KPIs including invoice aging, exception volumes, payment issues, backlog trends, and rework rates.
• Identify recurring issues and recommend process improvements or training needs to the Accounts Payable Manager.
• Support system and process enhancements across SAP S/4HANA, VIM, Ariba, Concur, FileNet, and related tools.
• Assist with stabilization and continuous improvement initiatives following transitions or system changes.

Qualifications:

• 3-5 years of Accounts Payable experience, preferably in a high-volume or hybrid delivery environment
• Prior lead or supervisory experience strongly preferred
• Working knowledge of SAP S/4HANA, VIM, Ariba, Concur, FileNet, and bank portals
• Strong understanding of internal controls, separation of duties, and compliance requirements
• High attention to detail and strong problem-solving skills