Contracts Administrator

Mabbett & Associates, Inc. (Mabbett®), an award-winning and industry-leading environmental, health and safety (EH&S) consulting and engineering firm, is seeking a full-time Contract Administrator to primarily support our growing federal, state, and local government contracting portfolio. This position plays a key role in managing the full lifecycle of contracts—from proposal development through negotiation, award, (including award challenges), administration, closeout, and potential, post-contract audit—while ensuring compliance with regulatory and contractual requirements to include the Federal Acquisition Regulations (i.e., FAR) and the Defense Federal Acquisition Regulation Supplement (DFARS). As part of a small‑business federal contracting environment, this role collaborates closely with technical staff, project managers, business development, accounting, legal/compliance (when warranted), prime contractors, and subcontractors to deliver responsive, compliant, and effective contract support. The Contract Administrator will work across a diverse range of federal, state, and municipal and private sector clients, supporting professional services contracts issued under a variety of acquisition regulations and contract types. Responsibilities include reviewing solicitations, developing compliant proposal documentation to include Teaming Agreements and Confidentiality and Non-Disclosure Agreements, negotiating terms and conditions, resolving contractual issues, and maintaining accurate documentation throughout the contract lifecycle. This position requires progressive experience, strong organizational skills, excellent communication abilities, and a proactive approach to problem solving in a fast‑paced professional environment. This position is a hybrid role which may be based out of the firm’s Corporate Headquarters located in Stoneham, MA or its Mid-Atlantic Regional Office in Alexandria, VA.