Sr. Civil Estimator

BoxPower•Grass Valley, CA
•Hybrid

About The Position

BoxPower designs, builds, and operates solar microgrids that deliver reliable, clean power to communities and utilities at the edge of the grid. The Sr. Civil Estimator owns the civil and site work cost for every BoxPower bid, from early budget estimates through final pricing. The role turns drawings, site visits, and subcontractor quotes into accurate, defensible estimates that support winning work and profitable delivery. Many project sites are remote, making logistics, access, and mobilization costs important considerations. The position is based in Grass Valley, California, with a hybrid work arrangement and occasional site visits as required. It is a full-time, exempt role reporting to the Preconstruction Manager.

Requirements

  • At least 7 years of civil or site work estimating experience with a general contractor, civil contractor, or design-build firm.
  • Strong working knowledge of earthwork, utilities, concrete, roads, drainage, and site improvements.
  • Ability to read and interpret civil, structural, and electrical drawings, specifications, and geotechnical reports.
  • Proficiency with estimating and takeoff software and advanced Excel.
  • Track record of accurate estimates on projects ranging from under $1 million to $10 million or more.
  • Clear written and verbal communication, including presenting estimates and assumptions to leadership.
  • Ability to manage several bids at once and meet firm deadlines.
  • Bachelor's degree in Civil Engineering, Construction Management, or a related field, or equivalent experience.

Nice To Haves

  • Experience estimating solar, battery storage, substation, or utility infrastructure projects.
  • Experience with remote or rural sites, including Alaska, where freight, access, and seasonal limits drive cost.
  • Familiarity with prevailing wage and public- or utility-funded projects.
  • Experience with design-build and EPC contracts.
  • Working knowledge of RSMeans or similar cost references.
  • Professional certification such as AACE Certified Cost Professional (CCP) or ASPE Certified Professional Estimator (CPE).

Responsibilities

  • Prepare conceptual, budgetary, and hard-bid estimates for civil and site work on BoxPower projects.
  • Perform quantity takeoffs for earthwork, grading, foundations, concrete pads, trenching, conduit and duct banks, access roads, fencing, drainage, and erosion control.
  • Visit sites to assess access, soils, terrain, and logistics, and incorporate those conditions into estimates.
  • Write clear scopes of work, issue bid packages, and level and compare subcontractor and supplier quotes.
  • Develop a complete cost picture, including labor, equipment, materials, mobilization, freight, permitting, and contingency.
  • Identify risks, exclusions, and assumptions, and document them clearly in each estimate.
  • Recommend value engineering options and constructability improvements to Engineering and Project Management.
  • Maintain and improve BoxPower's cost database, unit rates, and estimating templates.
  • Hand off estimates to the project team at contract award and support budget setup and buyout.
  • Compare final project costs against estimates to improve future accuracy.
  • Mentor junior estimators and support standard estimating processes across the team.
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