Estimator – Commercial Construction
Charleston, SC
Jennings Mechanical, a leading full-service mechanical contracting firm based in South Carolina, is seeking an Estimator to join our Charleston team. With a strong reputation in commercial, institutional, and industrial markets, we deliver high-performance mechanical systems including plumbing, HVAC, and specialty piping.

We are looking for a detail-oriented and experienced estimator who thrives in a fast-paced environment and brings expertise in cost estimating for commercial mechanical and/or plumbing projects.

Position Overview
As an Estimator, you will play a key role in the pre-construction process by preparing detailed cost estimates, evaluating plans and specifications, and supporting project bids from inception through submission. You'll collaborate with engineers, project managers, subcontractors, and suppliers to develop accurate, competitive bids and contribute to successful project outcomes.

Key Responsibilities

Analyze architectural and mechanical drawings and specifications to develop comprehensive estimates
Conduct site visits as needed to assess existing conditions and job requirements
Collaborate with internal teams and external partners to clarify scope, logistics, and timelines
Source and evaluate pricing from subcontractors, vendors, and suppliers
Perform detailed material takeoffs and labor cost assessments
Prepare estimates using software such as Bluebeam, PlanSwift, Trimble, and Microsoft Excel
Maintain updated pricing databases in line with market trends and vendor updates
Participate in value engineering, budget planning, and bid strategy discussions
Assist in proposal preparation, preconstruction reviews, and negotiations as required

Qualifications

3+ years of experience in plumbing, mechanical, or general construction estimating
In-depth knowledge of plumbing systems, commercial construction methods, and applicable codes
Proficiency in estimating software and Microsoft Office Suite (Excel, Word, Outlook)
Ability to read and interpret technical drawings, plans, and specs
Strong communication, organizational, and analytical skills
Proven ability to manage multiple estimates and deadlines effectively

Why Work with Jennings Mechanical?

Competitive salary, based on experience
Comprehensive benefits: medical, dental, vision, 401(k), and paid time off
Career growth opportunities and professional development support
Exposure to large-scale, high-impact commercial projects
Collaborative, team-centered work culture
Join a trusted name in mechanical contracting with a reputation for quality and integrity

Ready to Build What’s Next?
If you're a skilled Estimator with a passion for precision, teamwork, and building the systems that keep projects flowing smoothly, we want to hear from you.

Apply today and take the next step with a company that values craftsmanship, innovation, and integrity.
Jennings Mechanical is proud to be an Equal Opportunity Employer.

Jennings Mechanical

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