Accounts Payable Administrator

Gemma Power Systems; Glastonbury (CT); On-site; USD 48,000 - 62,000; Full time

Benefits offered by this job

PTO

Health benefits

401(k) plan

Paid holidays

Company events

Work-life balance resources

Financial planning resources

Job summary

Gemma Power Systems is seeking an Accounts Payable Administrator to join the Finance team in Connecticut. You will support day-to-day AP functions, process invoices, maintain records, and assist with payments while coordinating with vendors and internal teams.

The role requires strong organization, attention to detail, and the ability to manage multiple priorities. You will work with AIM and TimberScan, enter POs, help with month-end close, and provide administrative support to the Finance Team.

Qualifications

• High school diploma or equivalent; an Associate or Bachelor's degree is preferred.
• 1–3 years of Accounts Payable, accounting, administrative, or related experience preferred.
• Proficiency with Microsoft Office 365 (Excel, Outlook, Word).
• Sage 300 and TimberScan experience is a plus.
• Strong communication, organization, and attention to detail.

Responsibilities

• Monitor AP mailbox, respond to inquiries, route invoices, and ensure timely processing.
• Communicate with vendors and internal teams to resolve invoice and payment issues.
• Review monthly vendor statements and reconcile activity to payments.
• Support weekly payment processing, including check runs and mailing activities.
• Review employee expense reports for documentation and approvals.
• Maintain invoice records in AIM and TimberScan and keep data current.
• Create and edit purchase orders and change orders with accurate vendor data.
• Process overhead invoices and route for approvals and payments.
• Assist with month-end close by researching outstanding invoices and accruals.
• Provide general admin support to the Finance team as needed.

Skills

Attention to detail

Time management

Communication skills

Education

High school diploma; Associate or Bachelor’s preferred

Tools

TimberScan

Sage 300

Microsoft O365

Job description

The Accounts Payable Administrator is an important member of the Gemma Finance team and reports to the Accounts Payable Manager. This position supports the day-to-day Accounts Payable functions by maintaining accurate records, coordinating invoice and vendor activity, assisting with payment processing, and providing administrative support to the Finance Team. The ideal candidate is highly organized, detail-oriented, dependable, and comfortable managing multiple priorities & deadlines. This role is well-suited for someone who takes ownership of their work, communicates effectively, and is interested in continuing to develop their knowledge of Accounts Payable systems, processes, and procedures.

Essential Job Duties and Responsibilities

• Monitor the Accounts Payable mailbox, respond to inquiries, route invoices appropriately, and ensure invoices and communications are addressed timely.
• Communicate with vendors and internal teams to research & resolve invoice, payment, and documentation issues.
• Review monthly vendor statements, reconcile activity to payment records, identify missing invoices or discrepancies, and follow up on outstanding items.
• Support weekly payment processing, including completion of weekly check run and related payment & mailing activities.
• Review employee expense reports for appropriate documentation, coding, approvals, and compliance with company policies.
• Maintain invoice records and supporting documentation in AIM and TimberScan, ensuring information is accurate, current, and readily accessible.
• Create & enter purchase orders and change orders as requested, verifying vendor information, amounts, and supporting details.
• Process & assist with overhead invoices, including coding, resolving discrepancies, and routing invoices for appropriate approval and payment.
• Support month-end close activities by researching outstanding invoices, gathering documentation, confirming invoice status, and assisting with accrual support.
• Provide general administrative support to the Finance team, including coordination of periodic meetings, lunches, office supplies, shipping, and other department needs.

The above job responsibilities are intended to describe the general nature and level of work performed by individuals assigned to this position. The above list is not intended to be an exhaustive list of responsibilities, duties and skills required.

Qualifications

• High school diploma or equivalent is required; an Associate or Bachelor’s degree in Accounting, Finance, Business, or a related field is preferred.
• 1-3 years of Accounts Payable, accounting, administrative, or related experience is preferred.
• Working knowledge of Microsoft O365 suite of products, including Excel, Outlook, and Word.
• Experience with accounting or invoice processing systems is preferred.
• Familiarity with Sage 300 and TimberScan is a plus.
• Comfortable communicating with vendors and employees across the organization.
• Strong attention to detail and a commitment to accurate, high-quality work.
• Ability to organize and prioritize multiple responsibilities and meet established deadlines.
• Self-motivated with a willingness to take initiative, research issues, and follow through to resolution.
• Strong written, verbal and interpersonal communication skills.
• Ability to work effectively both independently and as part of a team.
• Paid Time Off (PTO)
• Comprehensive Nationwide Health and Welfare Benefits
• Company-Sponsored Events
• Financial Planning & Savings Resources
• 401(k) Retirement Savings Plan
• Paid Holidays
• Work-Life Balance

About Gemma Power Systems:

Gemma Power Systems, a wholly owned subsidiary of Argan Inc. (NYSE: AGX), is a leading Engineering, Procurement and Construction (EPC) company providing innovative solutions for the power and renewable industries. Our wide-ranging and comprehensive experience comprises more than 22 GW installed capacity including state-of-the-art combined cycle and simple cycle gas turbine plants, biomass projects, solar facilities, wind farms, biofuel plants, and environmental facilities spanning the continental United States.

Gemma Power Systems is an equal opportunity employer. Employment and promotional opportunities are based upon individual capabilities and qualifications without regard to race, color, religion, gender, pregnancy, sexual orientation, gender identity, national origin, age, disability, genetic information, veteran status, or any other protected classification as established under federal, state, or local law.