Estimator, Construction, Civil Engineering

As a member of our Preconstruction team – most of whom have been with the firm for decades – you will play a key role in developing detailed cost estimates from the earliest conceptual stages through completed construction documents, helping clients and project teams align scope, budget, and expectations. Based in our Winchester office this full‑time position offers the opportunity to work and grow alongside experienced industry professionals while building your own career path.

We are looking for someone who is driven, collaborative, eager to learn, and excited to grow with a company whose success is driven by individual initiative and that encourages professional growth.

• Review drawings, specifications, and narratives to prepare detailed quantity takeoffs and cost breakdowns.
• Develop conceptual, schematic, design development, and construction document estimates with clear assumptions and inclusions.
• Assist in soliciting, evaluating, and leveling subcontractor and vendor proposals for completeness and competitiveness.
• Coordinate with design teams and internal staff to clarify scope gaps and identify constructability issues.
• Maintain organized estimate clarifications, inclusions/exclusions, and design development logs.
• Assist with value engineering analyses to identify cost‑saving alternatives and design efficiencies.
• Utilize and/or update cost databases, labor rates, and subcontractor pricing information.
• Support development of bid summaries, proposal narratives, and GMP packages.
• Collaborate with project controls to align cost, schedule, and contingency assumptions.
• Assist in presentations and pursuit deliverables for new business opportunities.

• 2+ years of estimating experience within the commercial construction industry or related.
• Bachelor’s degree in Construction Management, Engineering, Architecture, or related field preferred.
• Strong understanding of building systems, assemblies, and construction sequencing.
• Proficiency with estimating software (Onscreen, ACC, Bluebeam) and Microsoft Excel.
• Facility with AI based quantity survey or estimating tools desired.
• Ability to interpret drawings, perform takeoffs, and communicate cost impacts clearly.
• Strong written and verbal communication skills with attention to detail and deadlines.
• Familiarity with GMP, design‑assist, and negotiated delivery methods preferred.

We foster a culture that is diverse and inclusive and strive for pay practices that are fair, and competitive and reflect our commitment to pay equity. Our compensation decisions include but are not limited to a candidate’s qualifications including skill sets, education, experience and training, licensure and certifications credentials if applicable, and business‑related factors. This practice extends to all employees, including performance considerations for merit increases, job promotions, and transfer opportunities.

At the time of posting this job advertisement, the annual pay salary range for this position in Boston is between $120,000 and $140,000.

John Moriarty & Associates participates in E‑Verify for all hired employees. E‑Verify is a web‑based system that allows enrolled employers to confirm the eligibility of their employees to work in the United States by electronically matching information provided by employees on the Form I‑9 against records available to the Social Security Administration and the Department of Homeland Security. More information can be found at www.e-verify.gov
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