Construction Administrative Assistant

Job Title

Administrative Assistant – Preconstruction (Estimating Support)

Construction / Commercial General Contracting

Rockville, MD

Contract-to-Hire

$23.00 – $25.00 / Per Hour

Full-time, Monday–Friday, standard business hours (on-site 5 days/week)

Eligible for medical, dental, vision, and 401(k).

Addison Group is partnering with a leading construction firm in the Mid-Atlantic region known for delivering complex commercial, institutional, and government projects. Their Preconstruction team plays a critical role in ensuring projects are fully scoped, accurately priced, and set up for successful execution before construction begins.

Our client is seeking a highly organized Administrative Assistant to support their Preconstruction (Estimating & Purchasing) team. This individual will play a key role in keeping bid processes moving efficiently by coordinating documentation, supporting subcontractor outreach, and assisting with the preparation of bid materials. The ideal candidate thrives in a fast‑paced, detail‑heavy environment and enjoys managing multiple priorities at once.

• Coordinate incoming and outgoing bid documents, drawings, and proposal materials
• Assist in assembling bid packages including forms, submissions, and supporting documentation
• Distribute project opportunities and manage communication with subcontractors
• Track bidding activity and maintain outreach logs and internal databases
• Support bid‑day preparation including scheduling, organization, and logistics
• Maintain organized filing systems and ensure project records are up to date
• Manage calendars, schedule meetings, and provide general administrative support to the estimating team

• 3+ years of administrative experience, preferably within the construction industry
• Exposure to bidding, RFPs, or subcontractor coordination strongly preferred
• Proficiency in Microsoft Office (Excel and Word required)
• Experience with tools such as Procore, Bluebeam, or Building Connected is a plus
• Strong organizational skills with exceptional attention to detail
• Ability to manage multiple deadlines in a fast‑paced environment
• Professional communication skills and strong office presence
• Construction industry experience must be clearly outlined on resume

• Must be able to commute onsite daily (role is fully in‑office)
• Interview process includes one in‑person meeting with hiring manager
• Start date expected approximately one week after offer acceptance (pending clearance)
• Role supports a team of ~19 within the Preconstruction department

• Opportunity to break into or grow within the construction pre‑construction/estimating space
• Exposure to high‑profile commercial and government projects
• Stable, long‑term contract‑to‑hire opportunity with room for growth
• Highly collaborative and structured team environment
• Strong training and onboarding within a well‑established organization

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non‑discrimination in employment in every location in which the company has facilities.

Reasonable accommodation is available for qualified individuals with disabilities, upon request.