Senior Estimator Heavy Civil / Mission Critical

A leading heavy civil transportation and mission critical contractor in the Front Range region is seeking a Senior Estimator to support large-scale highway, bridge, earthwork, and mission‑critical (data center) civil packages throughout Colorado and the Western U.S. This role is ideal for an experienced estimator who thrives in a fast‑paced environment, understands DOT‑level competitive bidding, and can also support complex site/civil scopes for hyperscale data center developments. Key Responsibilities Lead the estimating process for heavy civil, roadway, utility, and structural scopes on projects ranging from $100M–$500M+. Prepare detailed quantity takeoffs, cost analyses, and production‑based estimates for earthwork, structures, paving, drainage, utilities, and associated civil packages. Manage full pursuit cycles for DOT, municipal, and private‑sector infrastructure projects. Support estimating and pre‑construction efforts for mission‑critical data‑center site development, including grading, mass excavation, utility corridors, access roads, drainage systems, and foundation work. Coordinate with project managers, field teams, and senior leadership to develop accurate and competitive bids. Evaluate subcontractor bids, negotiate scope alignment, and ensure compliance with project specifications. Support value‑engineering initiatives to optimize constructability, sequencing, and cost. Participate in risk reviews, scheduling discussions, and proposal development. Stay up to date on market pricing, production rates, and regional labor/equipment trends. Qualifications 4+ years of estimating experience in heavy civil, transportation, or data‑center development. Prior experience with state DOT work (CDOT preferred) and/or large complex civil packages. Strong understanding of earthwork, structures, utilities, concrete, and site infrastructure. Experience working on civil scopes for mission‑critical projects (data centers) is a strong plus but not required. Proficiency with Bid2Win, HCSS HeavyBid or similar estimating software. Ability to manage multiple pursuits and deadlines with high accuracy. Strong communication and collaboration skills across field and office teams. Seniority Level Mid‑Senior level Employment Type Full‑time Job Function Project Management Civil Engineering and Construction Benefits Medical insurance Vision insurance 401(k) Referrals increase your chances of interviewing at Arena Family of Companies by 2×. #J-18808-Ljbffr Arena Family of Companies