Senior Estimator (Mechanical/Plumbing)

Williams Plumbing based in Belgrade Montana is looking for a Senior Estimator to lead the development of accurate, competitive cost estimates for large and complex mechanical and plumbing projects. This role goes beyond just building estimates - you’ll help shape bid strategy, mentor team members, and ensure consistency and quality across all estimating efforts.If you have deep industry knowledge, strong analytical skills, and enjoy leading others while staying hands-on, this is a great opportunity to make an impact.About WilliamsWilliams is the Northwest’s largest plumbing contractor. From hospitals to restaurants to high-end custom homes, we’re building Montana into the future. Our team is led by the most experienced plumbers in the industry. We have the largest apprentice program in the state. We have the manpower to take on the most exciting and ambitious projects. Plumbing is the foundation of our company and we take pride in training and retaining the best plumbers this side of the Rocky Mountains.Located in beautiful Belgrade, Montana, outdoor adventures surround us. There’s no better place to live than Big Sky Country. Together, we build and play in Montana.What You'll DoProvide oversight and final validation of complex estimates, ensuring accuracy, completeness, and alignment across all scopesLead bid strategy and risk assessment in partnership with Estimating Manager, shaping pricing approach for high-value projectsPerform deep analysis of construction documents to identify scope gaps, design risks, and cost exposuresDirect vendor and subcontractor strategy, including leveling, negotiations, and final buyout recommendationsOwn final estimate development, including full cost modeling (labor, material, equipment, subcontractors, overhead, contingency)Mentor the estimating team, driving standards, consistency, and continuous process improvementWhat You Bring7+ years of estimating experience with a track record of leading large, complex mechanical/plumbing bidsExpert-level knowledge of HVAC, plumbing, and piping systems, including cost drivers, constructability, and installation methodsProven ability to own and deliver full-scope estimates independently for high-value, multi-trade projectsAdvanced expertise in interpreting drawings, specs, contracts, and identifying risk gaps before bidDemonstrated experience in leading bid strategy, subcontractor/vendor negotiations, and final pricing decisionsStrong leadership presence with experience mentoring estimators and influencing team standards and performanceBenefits & PerksAt Williams, we take care of our team with competitive benefits, growth opportunities, and a culture that values work-life balance. Here’s what you can expect: Competitive Wage Comprehensive Health CoverageMedical Insurance: Choose from 3 affordable plans (including HSA and FSA options)HSA Employer Contribution: $600 for individuals, $1,200 for families (HDHP HSA plan)TelemedicineDental & Vision Insurance Financial & Retirement Support401(k) Employer Match: Up to 8% (based on company profitability)Company-Paid Life InsuranceVoluntary Accident, Short-Term, and Long-Term Disability Insurance Time Off & Work-Life BalancePaid Time Off (PTO)6 Paid HolidaysEmployee Assistance Program (EAP): Confidential support for mental health, financial planning, legal guidance, and more Growth & DevelopmentWilliams Academy: In-person training, 60+ online courses, and ongoing professional developmentReferral Bonuses: Get rewarded for bringing great people on board Extra Perks & FunPet InsuranceCompany Events: Archery Tournament, Golf Tournament & more!Perks include discounted gym memberships and savings on dog daycare and boardingLive & Work in the "Last Best Place": Enjoy the beauty and adventure of Montana!Join a team that values teamwork, individual responsibility, and commitment success while making sure you have the support and perks to thrive!