Estimator II

Geo Stabilization International (GSI), Access Limited, and Road Guard together form a leading infrastructure solutions platform dedicated to protecting people and strengthening critical infrastructure across North America and New Zealand.

GSI is the premier geohazard mitigation firm specializing in emergency slope stabilization, landslide repair, grouting, and micropiles through innovative design-build delivery. Access Limited brings over a century of steep-slope expertise and operates North America’s largest fleet of spider excavators, delivering complex rockfall and geotechnical solutions in the most challenging environments. Road Guard, founded in 2024, unites industry-leading roadway safety companies providing guardrail, bridge railing, highway signage, fencing, and specialty fabrication services.

Across all our businesses, we are driven by innovation, extreme ownership, technical excellence, and a relentless commitment to measurable results that improve safety and infrastructure resilience.

Estimator II

Geo Stabilization International — Westminster, CO (Denver HQ) — Estimating & Design

Location: Westminster, CO (GSI Headquarters, Denver metro)

Department: Estimating & Design

Compensation: $99,000 – $126,000 USD

Travel: Approximately 15–25% regionally for site visits and client meetings

We re hiring an Estimator II to prepare detailed, accurate cost estimates for GSI s heavy civil and geohazard mitigation projects — earthwork, formwork, reinforced concrete, shotcrete, drainage, foundations, and retaining structures — from schematic design through final construction documents. You ll own assigned trades and portions of preconstruction projects end-to-end, working closely with Operations, Superintendents, and the broader estimating team.

This is a mid-level estimating role: you ll take full ownership of the estimates assigned to you, from takeoff through final pricing, while supporting more senior estimators on larger or more complex pursuits.

Responsibilities

• Review drawings and specifications from contract documents (RFPs, specs) to determine quantities and calculate pricing.
• Communicate with subcontractors and suppliers to solicit and obtain pricing for projects.
• Communicate with owners to clarify scope of work for assigned projects through the RFQ process and interfacing with Project Development Engineers, as well as with clients.
• Determine material quantities across various scopes of work such as soil nail walls, anchored tieback systems, pinned mesh slope stabilization systems, micropiles, and other geohazard mitigation-related service lines.
• Attend pre-bid meetings and site visits to assess site conditions, conduct time-studies, or to gather operational data points for future estimates as needed.
• Solicit and review subcontractor bids for completeness, scope, and pricing.
• Review drawings and specifications to identify risk factors early in the pre-construction process, as well as through interfacing with Operations, Project Management, Procurement, and Executive personnel where necessary in the project lifecycle.
• Communicate with team members regarding scope, pricing, and construction details.
• Perform detailed takeoffs for self-performed work and price assigned trades.
• Provide complete estimates on assigned trades.
• Apply best-practice estimating principles from highly-conceptual Rough-Order-of-Magnitude (ROM) estimates through to detailed, construction-ready project proposals.
• Participate in presentations to owners, regulatory/oversight authorities, and/or other stakeholders as needed.
• Support subcontractor and supplier buyout for assigned trades.
• Identify opportunities to improve project cost or efficiency and share suggestions with the team.

Required Qualifications

• 5+ years of construction estimating experience.
• Strong verbal and written communication skills, with the ability to communicate effectively with subcontractors, owners, and team members.
• Working knowledge of heavy civil construction, including earthwork, formwork, reinforced concrete, shotcrete, drainage, foundations, and retaining structures.
• Familiarity with construction management, architecture, or engineering.
• Working knowledge of the trades…