Asst. Estimator​/Project Manager

Reports To

Director of Estimating and Project Management

Onsite | Field | East Moriches, NY

$19.00 - $24.00 per hour (Total Compensation Commensurate on Experience)

40 hours per week | OT requires prior approval

Our dedication and commitment to our work, coupled with our emphasis on exceptional quality and service has earned us the reputation as one of Long Island’s best. With over 30 years of experience in Heavy Construction of commercial, municipal and residential work, specializing in road work including but not limited to Asphalt, Drainage, Pavement Reclamation and Concrete. We are a leader in the utilization of state-of-the-art equipment, specialized techniques and mix designs.

The Assistant Estimator / Project Manager supports the estimating and project management teams throughout the bidding, contract administration, and project execution process. This role is responsible for assisting with plan review, quantity takeoffs, bid preparation, subcontractor coordination, contract documentation, project tracking, and billing support to help ensure projects are completed accurately, efficiently, and profitably.

• Download and obtain project plans, specifications, and bid documents from municipalities and agencies.
• Review plans and specifications to determine project scope and requirements.
• Perform quantity takeoffs, bid summaries and assist in cost estimating.
• Solicit, receive, and organize material supplier and subcontractor quotations.
• Prepare estimate worksheets and bid documentation.
• Prepare bid books, bid bonds, and supporting documentation.
• Submit bids and attend bid openings as required.

• Meet with property owners and clients to review project requirements and prepare quotations.
• Coordinate with field personnel, inspectors, suppliers, and subcontractors.
• Assist project managers with daily project administration and communication.

• Prepare contracts and supporting documents for executive review and signature.
• Gather and submit required subcontractor and trucking company documentation for approval packages.
• Maintain organized project files and records.

• Review daily construction reports.
• Update work‑on‑hand and project tracking reports.
• Verify completed work quantities using field reports and inspector records.
• Assist with project scheduling and progress monitoring.
• Prepare preliminary billing (“pencil copy”) documents.
• Support monthly invoicing and project cost tracking.
• Prepare and distribute proposals and quotations.
• Maintain accurate records of project correspondence and documentation.

• High School Diploma or GED required.
• Associate's Degree preferred.

• 1–3 years of construction estimating, project coordination, or administrative experience preferred.
• Experience reading construction plans and specifications preferred.
• Experience in heavy civil, site work, utility, paving, or municipal construction is a plus.

• Ability to read and interpret construction drawings and specifications.
• Basic understanding of construction estimating and takeoff procedures.
• Proficiency in Microsoft Office Suite (Excel, Word, Outlook).
• Strong organizational and documentation skills.
• Ability to manage multiple deadlines simultaneously.

• Experience with estimating software.
• Knowledge of municipal bidding procedures.
• Understanding of subcontractor management and procurement processes.
• Familiarity with project scheduling software.
• Experience with construction accounting or billing procedures.
• Attention to Detail
• Problem Solving
• Organization
• Teamwork
• Communication Skills
• Time Management
• Customer Service
• Initiative and Accountability

• Ability to travel to project sites and municipal offices.
• Ability to sit, stand, and walk for extended periods.
• Ability to lift up to 25 pounds occasionally.
• Valid driver's license and reliable transportation preferred.

Rosemar is an Equal Opportunity Employer. Rosemar does not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non‑disqualifying physical or mental disability, national origin, veteran status or any other basis covered by appropriate law. All employment is decided on the basis of qualifications, merit, and business need.

Accessibility:
If you need an accommodation as part of the employment process please contact Human Resources at Phone:

Trouble applying? Send your resume to: