Administrator - Accounts Payable PART TIME

The Middlesex Corporation
Littleton, MA

The Middlesex Corporation is a nationally recognized and award-winning leader in the heavy civil construction industry. Since 1972, the family business founded by Robert W. Pereira has developed an extensive client and project list through its consistent efforts to safely build America’s infrastructure. The Middlesex Corporation specializes in building and reconstructing highways, bridges, marine, rail, and transit facilities through its collaborative team approach and focus on core values.  In addition, Middlesex Asphalt in Central Florida is one of the largest and most productive asphalt plants in the United States with Middlesex Paving earning an equally solid regional presence and reputation.

Position Summary:

Compute, classify, and record numerical data to process bills received from vendors, including performing any combination of routine calculating, posting, and verifying duties to obtain primary financial data for use in maintaining accounting records.

Responsibilities:

  • Comply with (and actively promote) all Safety policies and procedures including reporting all accidents, incidents and near-misses to ensure adherence to our Number One Core Value – Safety first, in everything we do.
  • Receive, distribute and process invoices received for payment.
  • Ensure all invoices have proper approval and supporting documentation.
  • Match vendor invoices with delivery slips and purchase orders utilizing company’s ERP computer and data base management system, Vista, and/or via email processes.
  • Verify quantities, prices, and vouchering for data entry into a job cost system.
  • Research vendor statements, phone calls and discrepancies.
  • Process team member expense report reimbursements and assist with credit card charge research and check-run processing activities.

Qualifications:

  • Minimum 2 years accounts payable experience preferred.
  • Secondary education in accounting a plus.
  • PC Proficiency (including Microsoft Excel).

Necessary Attributes:

  • Team player including the ability to interact with project personnel and vendor accounts receivable representatives to resolve issues that may arise.
  • Ability to adapt to different personalities and management styles including interacting with all levels.
  • Self-starter with strong verbal and written communication skills.
  • Dedicated and hard working.
  • High level of attention to detail.
  • Maintain excellent organizational skills, maintaining focus while multi-tasking.
  • Ability to work in a fast-paced high-volume department.

We offer our full-time and eligible part time team members a comprehensive benefits package that’s among the best in our industry. Benefits include medical, dental and vision plans covering eligible team members and dependents, employee assistance programs, life insurance, disability, top-tier 401k with matching, tuition reimbursement, industry leading referral program, and generous paid time off.

Posted 2026-05-12

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