About DOC 

Our mission is to make a transformative impact on our communities through the exceptional buildings, infrastructure, and relationships we construct—with skill, purpose, integrity, and passion. 

Founded in 1879, DOC (Daniel O’Connell’s Sons) is a trusted construction management and general contracting firm serving public and private clients across the Northeast and Florida. We bring together expertise in building and heavy/civil construction to deliver complex, high-impact projects. 

At DOC, we believe there’s always a better way to build. Our team is driven by collaboration, accountability, and a commitment to continuous improvement—constantly learning, evolving, and pushing to deliver better outcomes for our clients and communities. 

Our Values 

• Always do the right thing 

• Support and respect the people you work with 

• Think like a client 

• Be patient and flexible—even when unexpected obstacles arise 

• Ensure everyone safely returns to their families 

Estimator

Ideally in Holyoke, MA or Milford MA, but also open to Remote, New England Region

We are seeking a highly skilled and detail-oriented Estimator with experience in commercial building projects. This role involves preparing accurate cost estimates across a diverse portfolio that includes commercial buildings, higher education, sports facilities, performing arts, and museums. The ideal candidate will bring a strong understanding of commercial construction methods and cost estimating in both commercial and public construction environments.

Key Responsibilities

• Review and interpret project drawings, specifications, and technical documents for commercial building projects.


• Prepare detailed quantity take-offs and cost estimates across all divisions of work.


• Evaluate and incorporate structural, architectural, and site interfaces across trades.


• Solicit and analyze subcontractor and vendor quotes to ensure competitive and complete pricing.


• Collaborate with design teams, project managers, and field personnel to ensure constructability and cost-efficiency.


• Identify and recommend value engineering opportunities and alternative solutions.


• Participate in pre-bid meetings, site visits, and design reviews.


• Maintain up-to-date knowledge of market trends, labor rates, and material costs.


• Support the development of bid proposals, budgets, and cost reports.


• Develop thorough scopes of work that cover all aspects of a project, and ensure subcontractors comply with the scope produced.


• Attend client meetings to discuss estimates, answer questions, and resolve issues regarding pricing and estimates.

Qualifications

• Bachelor's degree in Construction Management, Engineering, or related field (or equivalent experience).


• Minimum 4-5 years of estimating experience in commercial construction, ideally with a general contractor.


• Strong knowledge of commercial construction methods and industry standards for both vertical and horizontal projects.


• Proficiency in estimating software (e.g., Trimble, Bluebeam, HCSS, Onscreen Takeoff, or similar).


• Ability to read and interpret complex construction documents.


• Familiarity with local, state, and federal codes and regulations.


• Analytical and numerical proficiency; able to understand the relationship between design decisions and their quantities and costs.


• Attention to detail and precision.

Preferred Qualifications

• Experience with design-build, CMAR, and public works projects.


• Professional certifications such as LEED AP or PMP.


• Working knowledge of BIM and 3D modeling tools for coordination.