Senior Accounts Payable Specialist (Accounting, Finance, A/P) - Hybrid - Chesterfield, MO (St. Louis)

Senior Accounts Payable Specialist (Accounting, Finance, A/P) – Hybrid – Chesterfield, MO (St. Louis)

Come join a company that recognizes and rewards your abilities, provides opportunities to advance your career, and fosters an environment to learn and develop. Experitec is seeking high impact employees with focus and integrity to significantly improve the businesses of our customers and shape the future of Experitec’s business. Join a high-performance team and level up your customer service acumen while sharing your knowledge with other team members.

Come join a 100% employee-owned companyfocused on customer outcomes and employee success! This position requires a hands-on approach, a strong work ethic, the ambition to interface with customers onsite, a troubleshooting mindset, and a commitment to excellence. 

In this position, you may have the opportunity to work in different industries including power, chemical, renewable energy, food & beverage, refining, oil & gas, pulp & paper, water treatment, metals/mining and consumer goods. Experitec provides strong technical and customer service training throughout your career which will include:

• On-The-Job training to set you up for success.

• Ongoing customer service training.

• Training on Financial systems.

• Ongoing training on various company functions as an Employee-Owner to broaden business acumen.

The Senior Accounts Payable Specialist is a part of our Finance Team and is responsible for managing the full-cycle accounts payable function for Experitec. This role ensures timely and accurate processing of supplier invoices, employee expenses, supplier payments, statement reconciliations, and supplier maintenance activities.

Opportunities to make an Impact:

• Serving as a subject matter expert for AP processes.

• Driving continuous improvement initiatives.

• Supporting month-end close activities.

• Partnering with sales, purchasing, and operations teams.

• Maintaining strong financial controls and supplier relationships.

   

   

What does the Senior Accounts Payable Specialist do? 

Accounts Payable Operations

• Process high-volume PO and non-PO supplier invoices accurately and timely.

• Review invoices for proper approvals, coding, and supporting documentation.

• Manage AP mailbox activities and monitor invoice workflow queues.

• Process supplier credits and other vendor transactions.

• Research and resolve invoice discrepancies and supplier inquiries.

• Process new supplier setup requests and supplier maintenance changes.

• Assist with supplier credit reference requests.

   

   

Payment Processing

• Prepare weekly payment runs, including checks, ACH, and wire transfers.

• Maintain payment schedules and ensure compliance with company cash management policies.

• Generate and distribute remittance information to suppliers.

• Resolve payment exceptions and banking issues.

• Support Positive Pay and other fraud prevention processes.

   

   

Employee Expense Administration

• Review and process employee expense reports.

• Ensure compliance with company travel and expense policies.

• Assist employees with expense report inquiries and training.

   

   

Reconciliations and Month-End Close

• Reconcile suppler statements and investigate outstanding items.

• Prepare Accounts Payable account reconciliations.

• Support month-end and year-end close activities.

• Monitor aged payables and identify unusual balances.

• Support external audit requests and provide Accounts Payable documentation.

   

   

Process Improvement & Controls

• Identify opportunities for Accounts Payable workflow improvements.

• Document procedures and maintain work instructions.

• Ensure compliance with company policies and internal controls.

• Serve as a backup resource for other accounting functions as requested.

• Participate in ERP and system enhancement initiatives.

This position is part of our Accounting team within the Finance organization with the specific title of Senior Accounts Payable Specialist. Level of position will be based on relevant experience.

What Experitec offers: 

At Experitec, we know our employees are a critical part to our overall success. We care about the wellbeing of every employee. No matter what stage of life they’re in, Experitec strives to support and care for each employee. We believe in giving our employees the resources they need to succeed to reach their peak performance.

Required Skills, Experience & Abilities:

• Associate's degree (or higher degree) in Accounting, Finance, Business Administration or similar relevant area.

• Five or more years of relevant, progressive Accounts Payable experience.

• Five or more years of experience processing both PO and non-PO invoices.

• Five or more years of experience working in an ERP system or an equivalent combination of experience in various ERP systems.

• Strong knowledge of prepaid expenses and accrual accounting.

• Strong skills in Microsoft Office with ability to work efficiently and effectively within a business system.

• Intermediate Microsoft Excel skills.

• Ability to work Monday through Friday from 8am-5pm and to occasionally work additional hours upon request.

• Ability to lift and move up to 10 lbs.

• Ability to drive for the company with a valid driver’s license and the ability to pass driving record background check.

• Ability to utilize personal vehicle for occasional work travel AND ability to rent a car when requested for work travel.

• Demonstrated track record of strong analytical, organizational, and problem-solving skills.

• Strong out-front communication skills (written and verbal). This role collaborates externally and internally with cross-functional teams. Must be able to take and give direction clearly over the phone and in person.

• Strong ability to manage multiple tasks, projects, and competing priorities while coordinating timelines and communicating status updates in a fast-paced environment.

• Ability to follow established procedures while looking to provide input and ideas for improvement.

• Ability to understand and assign tasks, monitor activities, and mentor others in a positive manner.

• Ability to demonstrate a professional, driven, positive, and collaborative attitude and work ethic while following established procedures, and providing input and ideas for improvement.

• Ability to escalate issues appropriately and in a timely manner.

• Track record of accepting responsibility for workflow, assigning tasks, and monitoring activities in a positive manner.

Preferred Skills, Experience & Abilities:

• Bachelor’s degree in Accounting, Finance, Business Administration or similar relevant area.

• Experience with IFS Cloud ERP.

• Experience with electronic payment platforms and/or banking portals.

• Prior experience supporting audits and/or month-end close processes.

• Process improvement and/or workflow automation experience.

• One or more years of experience with full cycle accounting.

• Superior analytical and critical thinking skills, self-motivated, and reliable with willingness to extend extra effort to provide outstanding customer service.

   

   

What does Experitec do?   

As an Emerson Impact Partner, we have the exclusive right to sell and service Emerson Automation Solutions’ products in our defined territory. Our customers are largely manufacturing facilities and Upstream Oil & Gas. We partner with our customers to optimize the performance of their automated processes (reduce cost and increase throughput and quality), make their plants safer places to work, and/or help them reach environmental goals. Our engineered solutions include both innovative technology, products, and services. We are a group of Driven, Positive and Collaborative Employee Owners!

Benefits Package*:

• Experitec is 100% Employee Owned! Opportunity to become an employee owner after meeting one year of service and 1000 hours. Opportunity to receive company stock through our ESOP (Employee Stock Ownership Plan) encouraging and rewarding long term commitment following completion of plan requirements.

• Benefit Plans include medical, accident/critical illness, dental, vision, Health Savings Account, Flexible Spending Account, and Employee Assistance Programs.

• Training Opportunities include On-The-Job training and coaching with opportunities to attend specific workshops to improve professional skills.

   

   

*Full details available in the Benefits brochure provided to candidates prior to offer decision.

Work Authorization

Experitec does not provide immigration sponsorship (e.g., H-1B visa sponsorship) or immigration support for F-1 STEM OPT work authorization.

Equal Opportunity Employer

Experitec is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to sex, race, color, religion, national origin, age, marital status, political affiliation, sexual orientation, gender identity, genetic information, disability, or protected veteran status. We are committed to providing a workplace free of any discrimination or harassment.

Talent Management

In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.

Experitec is committed to providing access and reasonable accommodations in its application process for and to the extent required, for the actual position sought by the applicant for individuals with disabilities. Applicants with disabilities are encouraged to request any needed accommodation(s) using Talent@experitec.com. This mailbox is for accommodation requests and will not have visibility or be able to respond to general application or interview status requests.

To all recruitment agencies: Experitec does not accept unsolicited third-party resumes for this position.

This post will be available for application until at least September 30, 2026.

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