Estimator

Jennings Air and Mechanical•Orangeburg, SC

12d•Onsite

About The Position

Jennings Mechanical is seeking a detail-oriented, analytical Estimator to join its Preconstruction team in Orangeburg, South Carolina. The Estimator develops accurate, competitive estimates for mechanical construction projects and works directly with the Director of Preconstruction, project managers, field teams, vendors, and subcontractors. The role is suited to someone with a strong technical foundation, a willingness to learn, and an interest in developing expertise in mechanical estimating. New graduates interested in a construction career are encouraged to apply. The position is full-time and on-site. It offers the opportunity to work alongside experienced construction professionals, develop specialized estimating expertise, and contribute to projects from early planning through project handoff. Compensation is a competitive salary based on qualifications and experience.

Requirements

Ability to read and interpret construction drawings and specifications.
Strong analytical skills, attention to detail, and commitment to accuracy.
Proficiency with Microsoft Excel and general computer applications.
Strong communication and organizational skills.
Collaborative mindset, willingness to learn, and ability to manage competing deadlines.

Nice To Haves

Bachelor's degree in Construction Management, Engineering, or a related field (preferred but not required).
Approximately 2–4 years of relevant experience in construction estimating, mechanical construction, or a related technical role (preferred but not required).
Experience with HVAC, plumbing, piping, or other mechanical systems.
Education and relevant experience demonstrating strong potential to succeed in the role.

Responsibilities

Review construction drawings, specifications, and bid documents to understand project scope and requirements.
Perform quantity takeoffs and develop material, labor, equipment, and subcontractor cost estimates.
Request and evaluate vendor and subcontractor quotes.
Identify discrepancies, scope gaps, and potential cost risks before bids are submitted.
Prepare detailed estimates, bid summaries, and supporting documentation.
Collaborate with preconstruction, project management, and field personnel to validate assumptions and pricing.
Participate in pre-bid meetings and project site visits as needed.
Maintain organized records of estimates, vendor pricing, and historical project costs.
Assist with project handoffs and compare estimated costs with actual results to strengthen future estimates.
Contribute ideas to improve estimating processes, accuracy, and efficiency.