Demo

Senior Mechanical Systems Estimator

Cornerstone Concilium
Washington, DC Full Time
POSTED ON 12/30/2025
AVAILABLE BEFORE 1/29/2026

Major Duties and Responsibilities

  • Report directly to WMATA Task Manager, or any other manager assigned by WMATA;
  • Prepare rough order of magnitude, detailed estimates, and change order estimates for ongoing construction of facility structures and transit operating system elements;
  • Review and analyze scope, specifications, drawings, sketches and sample layouts to calculate total cost using labor, material, and equipment, and subcontractor cost using historical data, cost databases, construction experience and project specific judgement;
  • Provide support in price negotiations and obtain quotes for materials and services, as needed;
  • Perform related cost estimating and budgeting functions; and
  • Ensure cost estimates are in full compliance with WMATA practices and procedures.

Background and Experience Required

  • A minimum of a bachelor’s degree in mechanical engineering or equivalent, plus a minimum of 10 years of experience in developing cost estimates, evaluating price proposals, and negotiating contracts within a design or construction organization;
  • Deep understanding of buildings and facilities mechanical systems such as tunnel/shaft ventilation equipment systems, HVAC, plumbing, hydronic systems & boilers, storm & sanitary drainage, utilities, fire protection, service and maintenance equipment, pumps, storage tanks, compressed air and natural gas systems;
  • Ability to maintain confidentiality; and
  • Proficiency in Microsoft 3 6 5 ® (entire suite), with specific knowledge of spreadsheet software for cost estimating and for historical data collection and resources.

Preferred Qualifications

  • AACEi Certification, Certified Estimating Professional (CEP), or equivalent designation;
  • Experience in cost estimating various rehabilitation works for a transit authority;
  • Significant job-site experience with reputable construction company;
  • Experience in estimating building automation & controls systems (BMS/ BAS);
  • Familiarity with WMATA’s project management software system (Procore);
  • Experience in professional services and design services estimating; and
  • Knowledge of working in a government environment, experience with unions/unionized environment.

Salary Requirements: $110,000 - $155,000 YR

Salary : $110,000 - $155,000

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