Sr. Estimator

Job Title: Sr. Estimator Job Type: Full-time,

Salary Range: 100k – 120k with bonus eligibility.

About MIINC

At MIINC Mechanical Contractors, we don’t just deliver complex HVAC, plumbing, piping pre-fabrication and process piping services. We create opportunities for people to develop their skills and build meaningful careers.

Our teams take on high-impact projects across the technology, oil and gas, education, healthcare, and industrial sectors, gaining hands-on experience with innovative solutions.

We believe in empowering people with tools, trust, and opportunities to lead with confidence. At MIINC, you’ll find a culture built on accountability, integrity, service, continuous improvement, and servant leadership, where your contributions make a lasting impact.

About the role

We are seeking an experienced and detail-oriented Senior Estimator to join our team. In this role, you will lead the estimating process for commercial mechanical and plumbing projects, reviewing plans, specifications, and project requirements to develop accurate and competitive estimates and proposals.

The Senior Estimator will work closely with the Chief Estimator, management, vendors, subcontractors, clients, and project teams to develop successful project proposals, identify project costs and scope requirements, and ensure estimates are complete, accurate, and competitive. This position will also provide guidance and mentorship to junior estimators while supporting the continued development of effective estimating practices.

Roles & Responsibilities

• Lead the estimating process for commercial mechanical and plumbing projects from initial review through final estimate and proposal.
• Review plans, specifications, drawings, and other project documents to develop accurate and competitive estimates.
• Perform detailed material and labor takeoffs using estimating software and other industry tools.
• Analyze project scope and specifications to identify cost requirements, scope gaps, and potential risks.
• Obtain and evaluate pricing from vendors and subcontractors to support competitive and accurate estimates.
• Collaborate with management, operations, vendors, subcontractors, and clients to develop successful project proposals.
• Prepare bid summaries, estimates, and supporting documentation for project review.
• Provide guidance, training, and mentorship to junior estimators.
• Maintain knowledge of material pricing, construction methods, and market conditions to support competitive bidding.
• Assist with estimating-related questions, change orders, and post-bid activities as needed.
• Maintain accuracy, organization, and consistency across estimating documentation and processes.

Qualifications & Skills

• 5+ years of progressive experience in commercial mechanical and plumbing construction estimating.
• Proficiency with estimating software and electronic takeoff tools.
• Strong ability to read and interpret construction plans, specifications, and project documents.
• Knowledge of commercial mechanical and plumbing construction methods, materials, and costs.
• Strong analytical, mathematical, and problem-solving skills.
• Excellent attention to detail and ability to manage multiple estimates and deadlines.
• Strong communication and relationship-building skills with management, vendors, subcontractors, clients, and internal teams.
• Demonstrated ability to mentor and support junior estimators.
• Ability to work independently while collaborating effectively with project and operations teams.

What to Expect

• Fast-paced project environments with evolving priorities and challenges.
• Close collaboration with project management and field leadership teams.
• Exposure to large-scale commercial, mechanical and plumbing projects.

What We Offer

• Competitive salary
• Bonus eligibility up to 20% of base salary
• 100% company-paid health insurance for employees and /or employee & dependents (medical, dental, vision)
• Employer funded Health Reimbursement Account (HRA)
• 100% company-paid life insurance
• 401(k) with company match
• Generous paid time off and paid holidays
• Tuition Reimbursement
• Accelerated growth and career development opportunities
• Opportunity to work on high impact critical impact projects.
• Plus more.