Fidelity Building Services Group
Mechanical Estimator
10820 Guilford Road Suite 207, Annapolis Junction, MD
On-site · $80–$100/hr (as posted)
First seen by offpeak October 5, 2026
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Martin J. Braun Mechanical Contractors, a Fidelity Building Services Group company, is seeking an experienced Senior Mechanical Estimator to join our growing team. We are looking for an estimator with 5+ years of experience in commercial mechanical construction and a strong background estimating HVAC, plumbing, and piping systems.
Key Responsibilities
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Prepare detailed estimates for commercial, government, and institutional mechanical construction projects.
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Develop accurate material, equipment, labor, and subcontractor takeoffs for HVAC, plumbing, and piping systems.
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Review architectural, mechanical, plumbing, and piping drawings, specifications, schedules, and other construction documents.
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Analyze project plans and specifications to identify scope requirements, discrepancies, exclusions, and potential risks.
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Solicit and evaluate pricing from subcontractors, vendors, and suppliers.
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Develop competitive and accurate bids while maintaining project profitability.
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Perform quantity takeoffs and verify material and equipment requirements.
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Estimate labor hours and productivity based on project scope and historical data.
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Prepare detailed bid summaries and supporting documentation.
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Participate in pre-bid meetings, site visits, and project walkthroughs as needed.
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Communicate with vendors, subcontractors, engineers, customers, and internal teams to clarify project requirements.
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Identify value-engineering opportunities and alternative solutions.
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Assist with estimating change orders, revisions, and scope changes.
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Collaborate with Project Managers, Superintendents, Engineers, and Business Development teams throughout the estimating and bidding process.
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Maintain organized estimating records and documentation.
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Track project costs, historical pricing, and other information to improve future estimates.
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Stay current on material pricing, labor costs, construction methods, and industry trends.
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Ensure estimates are completed accurately and within established deadlines.
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Maintain confidentiality and comply with all requirements associated with projects involving sensitive or classified information.
Required Qualifications
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5+ years of mechanical estimating experience in commercial, industrial, institutional, or government construction.
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Strong estimating experience across HVAC, plumbing, and piping systems.
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Demonstrated ability to read and interpret mechanical drawings, specifications, plans, and construction documents.
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Ability and experience building an estimate for Design-Build renovation projects.
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Ability and experience to develop an estimate based on a Scope of Work only.
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Experience writing detailed Scopes of Work and proposals.
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Ability and experience identifying and incorporating clarifications, exclusions, and exceptions in proposals.
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Strong understanding of mechanical construction methods, materials, equipment, and labor requirements.
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Experience performing detailed material and labor takeoffs.
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Experience obtaining and evaluating subcontractor and vendor pricing.
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Strong understanding of construction costs, productivity, and project scheduling.
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Proficiency with mechanical estimating software.
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Excellent analytical, mathematical, organizational, and problem-solving skills.
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Strong written and verbal communication skills.
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Proficiency with Microsoft Office, particularly Excel.
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Ability to handle and organize multiple bid projects at the same time and quickly estimate smaller projects.
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Ability to work independently while effectively collaborating with project teams.
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Must be eligible to obtain and maintain the required security clearance.
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Ability to pass applicable background and security requirements.
You’ll love working here:
- We believe that a fulfilling career goes beyond just paycheck.
- Here’s how we make sure our team thrives:
- Health and Wellness: Comprehensive medical, dental, and vision plans to keep you and your family covered, including free preventive care and affordable prescription options.
- Life and Disability Insurance: Company-paid life insurance and disability coverage, with options to enhance your benefits.
- Retirement Savings: 401(k) plan with a generous company match to help secure your future, with immediate vesting.
- Paid Time Off: Enjoy paid holidays and a PTO plan that grows with your years of service.
- Opportunities for Career Advancement and Professional Development: We provide education assistance to help you grow your skills and career.
- Extra Perks: Flexible spending accounts, employee discounts, and 24/7 confidential support through our Employee Assistance Program.
- Base Pay: $80-100+ Commensurate with experience. This range represents a general guideline; however, several factors are considered when determining base pay offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.