Sr Accounts Payable Specialist

Solaris is seeking a dynamic Senior Accounts Payable Specialist to join our Accounting team. In this role, you will be responsible for managing full-cycle accounts payable activities, from invoice receipt through payment processing, for high volumes of PO and non-PO invoices. This role involves preparing payment runs, serving as a primary contact for vendor inquiries, resolving three-way match discrepancies in partnership with procurement and operations, and performing vendor and month-end AP reconciliations, as well as providing guidance to junior AP personnel.

Essential Functions

Process high-volume PO and non-PO invoices accurately and efficiently

Review, code, verify, and enter invoices in accordance with company policies and approval workflows

Manage full-cycle accounts payable activities from invoice receipt through payment processing

Prepare and execute weekly payment runs, ACH payments, wire transfers, and urgent payment requests

Monitor invoice aging and proactively resolve outstanding items

Serve as a primary contact for vendor payment inquiries and issue resolution

Support vendor onboarding and compliance requirements

Review vendor statements and reconcile discrepancies to ensure account accuracy

Partner with procurement and operations teams regarding purchase orders, receipts, and invoice matching

Research and resolve three-way match discrepancies

Assist with departmental reporting related to purchasing and accounts payable activities

Perform vendor account reconciliations and month-end AP reconciliations

Maintain accurate records and supporting documentation for audits and internal reviews

Analyze payment trends and identify process improvement opportunities

Collaborate with project managers, operations personnel, procurement teams, contract administrators, and accounting staff to resolve invoice and payment issues

Assist with continuous improvement initiatives designed to enhance efficiency and internal controls

Provide training and guidance to junior AP personnel as needed

Perform other duties or projects as required to support business goals. Experience/Education

Bachelor’s Degree in Accounting, Finance, or related field preferred, or equivalent relevant experience

5+ years of Accounts Payable experience, preferably in energy, industrial, construction, manufacturing, logistics, or infrastructure environments

Strong understanding of accounting principles and AP controls, with exceptional attention to detail

Ability to manage multiple priorities and meet deadlines

Experience in high-volume invoice processing, vendor relations, PO administration, and account reconciliation

Vendor compliance documentation experience (W-9s, COIs)

Procurement and contract administration experience is a plus

Intermediate or higher Excel proficiency required, including pivots and formulas (Sum-Ifs, etc)

Experience supporting energy, construction, or infrastructure businesses preferred

Proficiency with Microsoft Word and PowerPoint (OpenInvoice or SAP a plus)

Must be legally authorized to work in the U.S. without requiring sponsorship for employment visa status

Key Skills and Qualifications

Exceptional communicator – direct and transparent, skilled problem-solver with proven success in building coalitions and avoiding conflicts

Total ownership mentality – proactively identifies and removes obstacles across numerous ongoing tasks

Independent thinker – provides original thoughts and constantly asking “how can we do this better”

Innovative thinker – willingness to consider novel solutions and ability to adapt to change

Valued teammate – impeccable character, humility, and collaborative

Relentless – aspires to contribute and achieve his/her full potential

Tenacious self-starter who can quickly learn the products and address the needs of the business

Our CREATORS Culture

At Solaris, we believe that staying true to our core beliefs improves our decision-making, productivity and is key to our individual and collective achievements. Combining your innovative thinking with our core values that encourage C ommunication, R ecognition, E ntrepreneurship, A ccountability, T eamwork & T ransparency, O wnership, R esults and S afety, we become CREATORS.

We value your hard work, integrity, and commitment to the Solaris “First in Service & Innovation” culture through competitive pay and benefits packages and ongoing career development.

Competitive compensation packages

Medical, Dental & Vision benefits

Disability Insurance

Company paid Life and AD&D insurance with supplemental offerings

Company matching 401(k) retirement plan

Paid time off, including 10 paid holidays

Career Progression

Tuition Reimbursement

This job overview is not all inclusive. In addition, Solaris reserves the right to amend this job overview at any time.

Solaris is an Equal Opportunity Employer – Minority / Women / Disability / Veteran / Gender Identity / Sexual Orientation / Age / All other characteristics protected by federal, state, or local laws

Why Solaris Join a company at the forefront of the energy infrastructure buildout powering data centers and industrial growth. We offer competitive compensation, benefits, and opportunities to grow alongside a high-performing team.

Solaris Energy Infrastructure, Inc. (NYSE:SEI) provides scalable equipment-based solutions for use in distributed power generation as well as the management of raw materials used in the completion of oil and natural gas wells. Headquartered in Houston, Texas, Solaris serves multiple U.S. end markets, including energy, data centers, and other commercial and industrial sectors.