Senior Estimator - Civil

About Us

Potelco, Inc., a subsidiary of Quanta Services, Inc.(NYSE: PWR), was founded in 1965. We specialize in engineering, procurement, and construction (EPC) services, which include designing, estimating, material acquisition, project management, construction, emergency power restoration, system maintenance, and similar services. Our expertise is in power, transmission, distribution, and substation projects. We are a leading full-service provider of power infrastructure, construction, and support services in utility and energy contracting throughout the Pacific Northwest and neighboring states.

We are proud to be working with some of the region’s largest energy companies as we continue to modernize their electric systems, move towards de‑carbonization, and maintain thousands of miles of overhead and underground lines serving millions of residential and commercial customers. We uphold high safety, productivity, and reliability standards as we work with our customers to provide both current and strategic, forward‑thinking energy infrastructure, delivery, and solutions.

If you enjoy working with a great group of professionals, thrive in a fast‑paced environment, and have a passion for high‑voltage electrical construction, then we have a role for you!
Potelco, Inc. seeks a great EPC Civil Estimator to join our team at the Potelco Inc. office located in Sumner, WA.

• Develop detailed civil cost estimates for EPC projects including HV transmission lines (69kV–500kV), substations, and switching stations.
• Perform thorough quantity takeoffs from civil, structural, and geotechnical drawings including grading plans, foundation designs, drainage layouts, and site improvement drawings.
• Estimate all earthwork, grading, excavation, backfill, compaction, import/export material, and site restoration scopes.
• Develop cost estimates for drilled pier, spread footing, and mat foundations for transmission structures, substation equipment pads, and control buildings.
• Estimate underground civil scopes including ductbank and conduit installation, manholes, handholes, and cable vault construction.
• Quantify and price access road construction, graveling, fencing, gates, drainage structures, and erosion control measures.
• Incorporate environmental permit requirements, SWPPP implementation costs, and restoration obligations into civil estimates.

• Prepare and issue RFQs to civil subcontractors and material suppliers for earthwork, concrete, fencing, drilling, and other civil scopes.
• Evaluate and level subcontractor bids for scope completeness, exclusions, and unit rate competitiveness.
• Develop self‑perform estimates for civil scopes to benchmark subcontractor pricing and assess make‑or‑buy decisions.
• Maintain an active network of qualified civil subcontractors across key geographies.

• Review geotechnical reports, environmental studies, survey data, and permit documents to identify civil cost drivers and risks.
• Conduct site visits to evaluate terrain, existing infrastructure, access constraints, soil conditions, and logistics challenges.
• Identify and quantify civil risk items including unknown subsurface conditions, rock excavation, groundwater, material haul distances, and weather‑sensitive work windows.
• Develop contingency and risk‑adjusted pricing recommendations for inclusion in bid proposals.
• Review client‑provided specifications and contract terms for civil scope obligations, liquidated damages, and performance guarantees.

• Coordinate closely with the electrical estimating team to align civil and electrical scopes, avoid gaps, and eliminate overlaps.
• Interface with engineering and design teams to validate civil design assumptions used in preliminary estimates.
• Support constructability reviews, site walk‑downs, and value engineering exercises during the pursuit phase.
• Participate in bid reviews and present civil estimate assumptions, key risks, and recommended contingencies to senior leadership.
• Coordinate with project management and operations teams on civil labor productivity assumptions and…