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Construction Estimator / Project Manager

Diamond's Management Group
Manassas, VA Part Time
POSTED ON 10/1/2025
AVAILABLE BEFORE 10/30/2025

Position Overview

Diamond’s Management Group, Inc. (DMG) is seeking a highly skilled and detail-oriented Construction Estimator/Project Manager to join our growing team. This role combines the technical expertise of cost estimating with the leadership responsibilities of project management. The Estimator/Project Manager will be responsible for preparing accurate estimates, overseeing construction activities, and ensuring projects are delivered safely, on time, and within budget.


Key Responsibilities

Estimating

  • Review bid documents, drawings, and specifications to develop accurate cost estimates for civil, underground utility, airport, and infrastructure projects.

  • Perform detailed quantity take-offs and pricing for materials, equipment, and labor.

  • Solicit, review, and negotiate subcontractor and supplier quotes.

  • Identify project risks, constraints, and value engineering opportunities.

  • Prepare proposals, bid packages, and detailed cost breakdowns for submission.

Project Management

  • Plan, coordinate, and manage all aspects of construction projects from award to closeout.

  • Develop and maintain project schedules, budgets, and work plans.

  • Coordinate with clients, engineers, inspectors, and subcontractors to ensure compliance with project requirements.

  • Lead job site meetings, track progress, and proactively resolve issues that may impact safety, schedule, or cost.

  • Oversee procurement of materials, equipment, and subcontractor services.

  • Ensure compliance with all safety regulations, quality standards, and contract requirements.

  • Prepare and maintain project documentation, including RFIs, submittals, change orders, and daily logs.


Qualifications

  • Bachelor’s degree in Construction Management, Civil Engineering, or related field (preferred) OR equivalent industry experience.

  • 5 years of combined experience in construction estimating and project management, with a strong background in civil/underground utility and infrastructure projects (VDOT, MWAA, municipal, or similar).

  • Proficiency in estimating and scheduling software (e.g., Bluebeam, HeavyBid, Primavera P6, MS Project, Excel).

  • Strong knowledge of construction means, methods, and sequencing, particularly in underground utilities, concrete, and asphalt.

  • Excellent communication, negotiation, and organizational skills.

  • Ability to lead crews, manage subcontractors, and maintain strong client relationships.

  • OSHA 30, VDOT, or airport project experience a plus.


Core Competencies

  • Analytical thinking and attention to detail.

  • Strong leadership and team management.

  • Problem-solving under tight deadlines.

  • Cost control and financial acumen.

  • Safety-first mindset.


Compensation & Benefits

  • Competitive salary (commensurate with experience).

  • Health, dental, and vision benefits.

  • Paid time off and holidays.

  • Professional development and certification opportunities.

  • Growth opportunities within a 47 year legacy, minority/woman-owned, family-operated business.

Salary : $41 - $51

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