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OHLA USA

53 open roles

Senior Estimator -Earthwork

$160k to $210k

Irvine, California, United StatesPosted Oct 12, 2026

Against the Irvine typical range

Job description

Overview

Who is OHLA USA ? We are a company who believes in building a better, safer, more sustainable world for generations to come. We are committed to making a difference within our communities, who depend on the safety and reliability of the structures we build and is possible with our main asset, our people! OHLA USA brings together the construction industry's most diverse talent who thrive in a collaborative work environment and appreciate challenges and opportunities.

Job Title : Sr Estimator

  • Earthwork Reports to : Executive VP Department : Estimating Job Type: Full-time Salary : $160,000-$210,000 Location : Irvine, CA Position Summary The Senior Estimator – Earthwork is responsible for leading the estimating process for large-scale heavy civil, earthwork, grading, and site development projects with minimal oversight. This role will prepare detailed quantity take-offs, develop comprehensive cost estimates, analyze production rates and equipment requirements, solicit and level subcontractor and supplier quotes, and lead bids from initial review through submission.

Responsibilities

Lead estimates for large-scale heavy civil projects with earthwork, mass excavation, grading, site development, paving, and associated underground utility scopes. Review plans, specifications, geotechnical reports, and contract documents to develop complete and accurate project scopes. Perform detailed take-offs, cut/fill analysis, mass haul analysis, and earthwork modeling using digital takeoff and estimating software.

Develop pricing based on crew composition, production rates, equipment selection, project phasing, and historical cost data. Evaluate earthwork requirements including excavation, import/export, unsuitable soils, dewatering, blasting, ripping, and material handling. Price paving and aggregate scopes, including asphalt, JPCP, aggregates, quarries, pits, and related production requirements.

Develop pricing for underground utility scopes, including trenching, shoring, excavation, backfill, valves, fire hydrants, and other mechanical assemblies. Solicit, evaluate, and level subcontractor, supplier, equipment, and material quotes to develop competitive bid packages. Utilize HCSS estimating and quote management tools to prepare, organize, and submit estimates.

Conduct site walks and attend pre-bid meetings to identify existing conditions, constructability considerations, and project risks not reflected in the plans. Participate in estimate reviews and clearly explain assumptions, quantities, production rates, costs, and pricing methodology. Coordinate and mentor junior estimators and interns with take-offs, quote solicitation, and estimating activities.

Serve as a primary point of contact with owners, design teams, subcontractors, suppliers, and other project stakeholders during estimating process. Prepare and submit competitive bids accurately and within established deadlines. Support the transition of awarded projects to operations, including budgets, buyout, and project handoff.

Assist with change order pricing and maintain involvement throughout project execution as needed. Track bid results and actual project costs to improve estimating accuracy, production rates, and future pricing. Perform other duties as assigned.

Qualifications

10+ years of estimating experience with heavy civil, earthwork, grading, or site development projects. Demonstrated experience estimating large-scale mass grading, excavation, earthwork, and site development projects. Proficiency with AGTEK and other digital earthwork takeoff and modeling software. Strong understanding of earthwork means and methods, including scraper, dozer, truck, loader, and excavator production.

Ability to read and interpret civil plans, specifications, cross sections, and geotechnical reports. Advanced knowledge of HCSS estimating and quote management tools. Strong proficiency in Microsoft Office, particularly Excel. Experience with public works and /or private development projects in Southern California preferred.

Demonstrated ability to independently manage estimates from initial bid review through final submission. Strong communication, organization, analytical, and negotiation skills.

Benefits

offered by OHLA USA Medical, Dental, & Vision Insurance Short- and Long-Term Disability & Life Insurance 401(k) retirement plan with employer matching Tuition Reimbursement after 1 year of employment Personal Time Off Program (PTO) Engaging work environment And much more!! To learn more about OHLA USA, visit our website www.

ohla-usa.com Compensation: The salary being offered for this position is USD $160,000.00 to USD $210,000.00. Please note that the salary range listed is specific to the role listed in California. Hourly rates may vary for different individuals in the same role based on various factors including, but not limited to, experience, education, and performance.

OHLA ADA Message : The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee will require the ability to freely access all points of a construction site in wide-ranging climates and environments.

The employee is occasionally exposed to fumes or airborne particles; toxic or caustic chemicals; Employee is frequently exposed to outside weather conditions. The noise level in the work environment is usually loud noise. OHLA EEO Message: OHLA USA and its affiliates are an equal opportunity employer, and all qualified applicants are considered for employment without regard to age, race, color, religion, sex, national origin, sexual orientation, gender identity, veteran status, disability, or any other protected class.

OHLA USA and its subsidiaries (“OHLA”) shall not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to OHLA or an employee of OHLA, by mail, electronically, or otherwise will be considered OHLA property. OHLA will not pay a fee for any placement resulting from the receipt of an unsolicited resume.

OHLA will consider any candidate for whom an Agency has submitted an unsolicited resume to have been referred to by the Agency free of any charges or fees. OHLA Human Resources is the only authorized representative of OHLA to execute any agreements with search firms or staffing agencies. As a condition for payment, a Vendor shall have OHLA USA Inc.

’s Personnel Agreement and a Job Order signed by an authorized OHLA HR representative. Verbal or written communications from any employee of OHLA and its subsidiaries shall not be considered binding obligations. All resumes, whether unsolicited or solicited, shall be the property of OHLA. Minimum Salary USD $160,000.00/Yr.

Maximum Salary USD $210,000.00/Yr. Lead estimates for large-scale heavy civil projects with earthwork, mass excavation, grading, site development, paving, and associated underground utility scopes. Review plans, specifications, geotechnical reports, and contract documents to develop complete and accurate project scopes.

Perform detailed take-offs, cut/fill analysis, mass haul analysis, and earthwork modeling using digital takeoff and estimating software. Develop pricing based on crew composition, production rates, equipment selection, project phasing, and historical cost data. Evaluate earthwork requirements including excavation, import/export, unsuitable soils, dewatering, blasting, ripping, and material handling.

Price paving and aggregate scopes, including asphalt, JPCP, aggregates, quarries, pits, and related production requirements. Develop pricing for underground utility scopes, including trenching, shoring, excavation, backfill, valves, fire hydrants, and other mechanical assemblies. Solicit, evaluate, and level subcontractor, supplier, equipment, and material quotes to develop competitive bid packages.

Utilize HCSS estimating and quote management tools to prepare, organize, and submit estimates. Conduct site walks and attend pre-bid meetings to identify existing conditions, constructability considerations, and project risks not reflected in the plans. Participate in estimate reviews and clearly explain assumptions, quantities, production rates, costs, and pricing methodology.

Coordinate and mentor junior estimators and interns with take-offs, quote solicitation, and estimating activities. Serve as a primary point of contact with owners, design teams, subcontractors, suppliers, and other project stakeholders during estimating process. Prepare and submit competitive bids accurately and within established deadlines.

Support the transition of awarded projects to operations, including budgets, buyout, and project handoff. Assist with change order pricing and maintain involvement throughout project execution as needed. Track bid results and actual project costs to improve estimating accuracy, production rates, and future pricing. Perform other duties as assigned.

10+ years of estimating experience with heavy civil, earthwork, grading, or site development projects. Demonstrated experience estimating large-scale mass grading, excavation, earthwork, and site development projects. Proficiency with AGTEK and other digital earthwork takeoff and modeling software. Strong understanding of earthwork means and methods, including scraper, dozer, truck, loader, and excavator production.

Ability to read and interpret civil plans, specifications, cross sections, and geotechnical reports. Advanced knowledge of HCSS estimating and quote management tools. Strong proficiency in Microsoft Office, particularly Excel. Experience with public works and /or private development projects in Southern California preferred.

Demonstrated ability to independently manage estimates from initial bid review through final submission. Strong communication, organization, analytical, and negotiation skills.

Benefits

offered by OHLA USA Medical, Dental, & Vision Insurance Short- and Long-Term Disability & Life Insurance 401(k) retirement plan with employer matching Tuition Reimbursement after 1 year of employment Personal Time Off Program (PTO) Engaging work environment And much more!! To learn more about OHLA USA, visit our website www.

ohla-usa.com Compensation: The salary being offered for this position is USD $160,000.00 to USD $210,000.00. Please note that the salary range listed is specific to the role listed in California. Hourly rates may vary for different individuals in the same role based on various factors including, but not limited to, experience, education, and performance.

OHLA ADA Message : The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee will require the ability to freely access all points of a construction site in wide-ranging climates and environments.

The employee is occasionally exposed to fumes or airborne particles; toxic or caustic chemicals; Employee is frequently exposed to outside weather conditions. The noise level in the work environment is usually loud noise. OHLA EEO Message: OHLA USA and its affiliates are an equal opportunity employer, and all qualified applicants are considered for employment without regard to age, race, color, religion, sex, national origin, sexual orientation, gender identity, veteran status, disability, or any other protected class.

OHLA USA and its subsidiaries (“OHLA”) shall not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to OHLA or an employee of OHLA, by mail, electronically, or otherwise will be considered OHLA property. OHLA will not pay a fee for any placement resulting from the receipt of an unsolicited resume.

OHLA will consider any candidate for whom an Agency has submitted an unsolicited resume to have been referred to by the Agency free of any charges or fees. OHLA Human Resources is the only authorized representative of OHLA to execute any agreements with search firms or staffing agencies. As a condition for payment, a Vendor shall have OHLA USA Inc.

’s Personnel Agreement and a Job Order signed by an authorized OHLA HR representative. Verbal or written communications from any employee of OHLA and its subsidiaries shall not be considered binding obligations. All resumes, whether unsolicited or solicited, shall be the property of OHLA.

Description copied from OHLA USA's careers page. Read the full posting before you apply.

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