Cost Manager

B&S Site Development•Manassas, VA

About The Position

The Construction Cost Manager / Quantity Surveyor at B&S Site Development plays a central role in controlling project costs across all phases of site development work — including mass grading, utilities, stormwater systems, roadwork, erosion control, and hardscape preparation. This position ensures accurate quantity tracking, real-time cost forecasting, and commercial oversight in a fast-paced, heavy civil environment. The role partners closely with project managers, superintendents, estimators, and clients to maintain financial clarity and protect project margins.

Requirements

Bachelor’s degree in Quantity Surveying, Construction Management, Civil Engineering, or related field.
3–7 years of experience in cost management or QS roles within site development, civil construction, heavy civil or infrastructure.
Strong understanding of earthwork, utilities, stormwater systems, and site construction methods.
Proficiency with takeoff and cost tools (e.g., Agtek, Bluebeam, Civil 3D, Excel).
Excellent analytical, communication, and negotiation skills.
Ability to work in a fast-moving environment with shifting field conditions.

Nice To Haves

Experience with GPS machine control data, drone topo data, or BIM-to-field workflows.
Familiarity with DOT, municipal, and private development standards.
Strong ability to collaborate with field teams and translate field realities into commercial impacts.
Proactive mindset with a focus on risk mitigation and margin protection.

Responsibilities

Develop detailed cost plans and budgets for site development scopes (earthwork, utilities, stormwater, paving, retaining systems).
Review geotechnical reports, surveys, and civil drawings to identify cost drivers and constructability issues.
Prepare early-stage takeoffs for cut/fill, import/export, trenching, and material quantities.
Support value engineering efforts to optimize grading strategies, material selections, and construction sequencing.
Maintain daily/weekly quantity tracking for earthwork, pipe installation, structures, and paving.
Validate production rates and compare against budgeted assumptions.
Work with field teams to reconcile actual vs. planned quantities and identify cost impacts early.
Monitor subcontractor and supplier performance against contracted quantities and unit rates.
Prepare bid packages, scopes of work, and BOQs for subcontractors and suppliers.
Lead bid evaluations and support negotiations to secure competitive pricing.
Review and manage subcontractor change requests, ensuring alignment with contract terms.
Maintain commercial documentation, including cost logs, procurement trackers, and contract files.
Identify, quantify, and price changes related to design revisions, unforeseen conditions, and client-driven scope adjustments.
Prepare and submit change order proposals with supporting documentation.
Produce monthly cost reports, cost-to-complete forecasts, and cash flow projections.
Communicate cost risks and opportunities to project leadership and clients.
Administer contracts under typical site development frameworks (unit-price, lump sum, GMP).
Review and certify subcontractor pay applications based on verified quantities.
Ensure compliance with project specifications, local regulations, and B&S commercial standards.
Support project closeout, including final quantities, reconciliations, and final accounts.