Assistant Estimator

Newport Beach

**Position Summary** We're partnered with a union-signatory contractor recognized for its expertise in heavy civil mechanical infrastructure---from wastewater systems to pumps, tanks, and large-diameter valves. As their project load continues to expand, they are seeking an Assistant Estimator to help support competitive, well-organized bids on complex public works projects.This role is ideal for someone with early estimating experience or a background in field operations who's ready to contribute to meaningful infrastructure work. You'll focus specifically on the mechanical scopes tied to civil systems---buried piping, wet utility connections, pump stations, tank infrastructure, and more.**Key Responsibilities** Support the estimating team in preparing accurate bids for mechanical scopes including piping systems, pump stations, tanks, and associated appurtenancesPerform detailed quantity takeoffs for buried utilities, large valves, and mechanical components from plans and specsHelp evaluate bid documents, plans, and addenda to identify scope requirements, clarifications, and risksAssist in soliciting and organizing quotes from vendors and subcontractors for mechanical materials and servicesAttend job walks and pre-bid meetings to gather site-specific dataHelp prepare bid packages, internal review documents, and pricing summariesWork closely with the estimating and operations team to review constructability and labor productivityMaintain and update cost history and material pricing databases for mechanical workContribute to project handoff documentation to field and project teams after award**Typical Projects Include:** Wastewater and water treatment facility mechanical packagesPump stations, lift stations, and tank installationsBuried mechanical piping systems (water/sewer/storm)Large valve and vault installationsCivil utility improvements with integrated mechanical scopes**Qualifications** 1--3 years of estimating experience in mechanical or heavy civil construction OR hands-on project support background (field/engineering)Ability to interpret detailed civil/mechanical drawings and project specsFamiliarity with piping layouts, mechanical vaults, valve schedules, and tank systemsStrong Excel skills; exposure to estimating tools such as On-Screen Takeoff, Bluebeam, or HCSS is a plusEagerness to learn in a collaborative environment and contribute to a high-performing estimating teamUnion labor or prevailing wage project experience is a plusField or trade experience in plumbing/mechanical scopes beneficial**Compensation \& Benefits** Competitive salary based on experienceComprehensive health, dental, and vision coverage401(k) with employer contributionPTO, holidays, and sick leaveOpportunity for advancement into Mechanical Estimator or Project Engineer roles RimePro