Senior Accounts Payable Analyst (12 month FTC), Dublin Pike

Overview Trinseo is a different kind of global materials company– at the intersection of people, technology, and customers. We are a world leader in the production of plastics and latex binders. Our culture is built on passion and innovation.

A career at Trinseo presents a unique opportunity to work in a highly collaborative environment. Helping customers solve their most complex material challenges is the reason we come to work each day. We are seeking innovative thinkers– ready to tackle any challenge and passionate about delivering value.

As a global materials solutions provider focused on delivering innovative and sustainable solutions to our customers, we need people to feel respected and included so they can be more creative, innovative, and successful. We strive to create workplaces that reflect all communities and customers we serve and where everyone feels empowered to bring their full, authentic selves to work. That's why we're fully committed to inclusion across race, gender, age, religion, identity, and experience to drive us forward every day.

About the Role The Senior Accounts Payable Analyst oversees and optimizes the end-to-end accounts payable process, ensuring accurate, timely payment of invoices and compliance with internal controls and accounting standards. The role involves complex invoice and vendor issue resolution, process improvement, audit support, while partnering closely with Finance, Procurement, and internal stakeholders to drive efficiency in P2P operations. This is a 12 month Fixed Term Contract

Responsibilities Role Overview

Manage end-to-end invoice processing, ensuring accuracy, completeness, and timely posting and payment

Review and approve complex or high‑value invoices, including 2‑way and 3‑way matching

Resolve escalated vendor inquiries and discrepancies related to pricing, quantity, tax, and payment terms

Ensure compliance with internal controls, accounting policies, and regulatory requirements

Perform Accounts Payable month‑end and year‑end close activities, including accruals, reconciliations, and reporting

Support internal and external audits by providing documentation and explanations

Analyze Accounts Payable data to identify trends, risks, and opportunities for process improvement

Drive continuous improvement initiatives, including automation and P2P optimization

Partner with Procurement, Finance, and business stakeholders to resolve issues and improve outcomes.

Serve as main point of contact for suppliers raising issues related to invoice processing

Function as a member of a team, demonstrating effective teamwork and relationship building

Mentor and support Accounts Payable team members; provide guidance on best practices

Maintain accurate vendor master data and ensure adherence to SOX and control standards

Qualifications Minimum Education Required

Certificate or Diploma in related discipline

3+ years accounts payable or related experience, preferably in a GBS environment

Knowledge, Skills&Abilities

Working knowledge of financial and accounting ERP systems, ideally SAP, S4 Hanna

A high level of competence in Microsoft Suite

Knowledge of Accounts Payable processes, principles and legislation requirements

Understanding of standard operating procedures

Proven knowledge of systems, applications, operating tools and metrics

Strong interpersonal and communication skills to interact with employees, supervisors and customers

Strong analytical skills and attention to detail

Read, write and speak English. Additional language skills a plus.

Equity and Inclusion With our expanding global presence, cross-cultural insight and competence are essential for our ongoing success. We believe that a diverse workforce contributes different perspectives, experiences, and creative ideas that enable us to continue to improve every day. Race, gender, ethnicity, country of origin, age, personal style, sexual orientation, physical ability, religion, work and life experiences and many more factors contribute to this diversity. We welcome all applicants, regardless of their backgrounds, and are committed to a fair and inclusive hiring process.

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