Accounts Payable Specialist

Join our dynamic and innovative team at ThayerMahan, a world leader in autonomous maritime surveillance and monitoring.  Headquartered in Groton, CT, we are a fast-growing, mission-focused, innovative technology company in the Intelligence, Surveillance, and Reconnaissance (ISR) and Artificial Intelligence (AI) space.  At ThayerMahan we pride ourselves on fostering a culture of excellence, collaboration, and continuous growth.

Essential Duties and Responsibilities:

As our Accounts Payable Specialist, you will:

• Receive, review, code and process invoices from vendors, ensuring accuracy and adherence to company policies and procedures. Prepare and process vendor payments, including checks, ACH transfers, and wire transfers.


• Match payments with corresponding invoices and obtain necessary approvals. Communicate with vendors regarding invoice inquiries, discrepancies, and payment status. Resolve issues and discrepancies promptly to maintain positive vendor relationships.


• Maintain organized records of invoices, payments, and related documentation. Ensure all documents are filed accurately and in compliance with record retention policies.


• Conduct reconciliations of supplier statements and resolve discrepancies or disputes with vendors.


• Assist in processing employee expense reports, verifying receipts, and ensuring compliance with company expense policies.


• Maintaining accurate vendor records, including banking, tax information, and payment terms.

Qualifications and Educational Requirements:

• Bachelor’s degree in Accounting/Finance preferred, or related field experience accepted.


• 3+ Years of operations accounting experience

Required Skills:

• Strong organizational and management skills.


• Proficiency in MS Excel.


• Ability to maintain adherence to financial reporting schedules.


• Excellent communication and interpersonal skills, with the ability to collaborate across functions and levels.


• Strong analytical, problem-solving, and decision-making abilities.


• Demonstrated ability to manage multiple priorities in a fast-paced environment.

Preferred Skills:

• Proficiency in AP software within an ERP system.


• Manufacturing experience a plus

What we Offer:

Competitive salary, comprehensive total rewards package (medical, dental, vision, 401K with employer match), and other great benefits.  Opportunity to continue to develop your career at a growing organization.  

If you meet the requirements and are ready to make waves with us, apply now! 

ThayerMahan is an Equal Opportunity Employer and doesn’t discriminate on the basis of race, color, sex, national origin, sexual orientation, gender identity, religion, age, disability, genetic information, protected veteran status, or other non-merit factor.