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Sr. Estimator (Heavy Civil)

Obayashi Corporation
Foster, CA Full Time
POSTED ON 5/30/2026
AVAILABLE BEFORE 7/30/2026


    

OBAYASHI CORPORATION is seeking qualified candidates with experience in Heavy Civil Estimation and Construction, including site development and restoration, pump stations and water treatment plants, bridges (new and retrofit), and dam structures. This role reports to the Estimating Manager and is based in our North American Regional Headquarters in Foster City, California.

ROLE & RESPONSIBILITIES:         

  • Prepare synopsis of potential pursuits bid documents.
  • Prepare detailed estimates and complete bid reviews with the Estimating team.
  • Participate in means and methods planning and design developments for project pursuits.
  • Develop and package scopes of work for subcontractor solicitations.
  • Evaluation of subcontract cost estimates and proposals.
  • Ability to assist proposal team with development of RFQs and RFPs.
  • Consult with Clients, Vendors and Subcontractors and work with the Project Transition and Operations Team on successful bids.
  • Assist Project Teams with pricing requirements for ongoing projects/change order pricing.
  • The responsibilities of this position include, but are not limited to those listed above and other duties may be assigned.

Education & Work Experience:

  • Bachelor’s degree in Construction Management, Civil Engineering, or a related field (preferred).
  • Minimum of 10 years of experience in estimating for heavy civil construction projects.
  • Strong knowledge of construction methods, materials, and project management practices.
  • Experience with HCSS Heavy Bid Estimating Software and Viewpoint Construction Software is a plus.
  • Familiarity with union and non-union labor rates, subcontractor scopes, and bid analysis.
  • Previous experience working on large-scale infrastructure projects such as roads, highways, bridges, and utilities.

Skills:

  • Team player with excellent communication skills
  • Computer Skills to include Microsoft 365, AutoCAD, P6/OPC and BlueBeam.
  • Effective oral and written communication skills is required.
  • Knowledge of heavy civil construction principles, with the ability to read plans and specifications.
  • Attention to detail and ability to recognize discrepancies.

OTHER :

  • Able to work after hours, on weekends, and on-call when needed.
  • Limited traveling for meetings and site visits.
  • Ability to walk and work on outdoor construction job sites.
  • Ability to lift and/or lift up to 40 lbs.
  • Onsite Project Team opportunities available on an as-needed basis.

ANTICIPATED SALARY RANGE:  $137,000 - $177,000 USD / yr

In accordance with California state law, Obayashi Corporation is committed to providing clear and transparent information regarding the compensation for this position. The final salary offered will be based on various factors, including the candidate’s qualifications, experience, skills, and relevant market considerations. This salary range reflects what we reasonably expect to pay for this role within California. Compensation in other states may vary based on local market conditions and applicable regulations. We strive to offer competitive and fair compensation across all locations.

BENEFITS:  

Obayashi Offers Competitive Market Salaries and a Benefits Package including: 

  • Medical PPO Plan and HDHP
  • Dental DPO Plan 
  • Vision Insurance 
  • Employee Assistance Program  
  • Life Insurance   
  • Disability Insurance 
  • Health Savings Account
  • Flexible Spending Account 
  • Disability Insurance 
  • Paid Holidays
  • Paid Sick Leave
  • Paid Time Off
  • 401(k) Plan Matching 

Employee benefits are 100% covered by Obayashi and family coverage is covered at 80%. 

Applicants must be authorized to work in the United States. This position is not eligible for sponsorship. 

About Obayashi

Obayashi Corporation has delivered quality solutions to infrastructure challenges across the globe for more than 130 years. Founded in 1892, Obayashi is the largest Japanese Contractor and the fourth-largest International Contractor conducting business in the United States. Obayashi has been operating and completing projects in the United States since 1979. Obayashi provides a full range of general contractor services in both public works and private sectors including: office buildings, residences, tunnels, highways, rail systems, bridges, artificial islands, airports and nuclear power plants. Other services include urban planning and architecture, real estate and property development, environmental, and waste services. The North American Operations consolidated revenue is over $3 billion in the United States and Canada.     

Equal Opportunity Employer   

Obayashi Corporation is an equal opportunity employer and makes employment decisions on the basis of merit. We want to have the best available persons in every job. Company policy prohibits unlawful discrimination based on race, color, creed, gender, religion, marital status, registered domestic partner status, age, national origin or ancestry, physical or mental disability, medical condition including genetic characteristics, sexual orientation, or any other consideration made unlawful by federal, state, or local laws. It also prohibits unlawful discrimination based on the perception that anyone has any of those characteristics, or is associated with a person who has or is perceived as having any of those characteristics. The Company is committed to compliance with all applicable laws providing equal employment opportunities. This commitment applies to all persons involved in Company operations and prohibits unlawful discrimination by any employee of the Company, including supervisors and coworkers.  

To comply with applicable laws ensuring equal employment opportunities to qualified individuals with a disability, the Company will make reasonable accommodations for the known physical or mental limitations of an otherwise qualified individual with a disability who is an applicant or an employee unless undue hardship would result. If you need accommodation to complete the application process, please contact the Human Resources Department by either visiting Obayashi Corporation at 950 Tower Lane, Ste 800, Foster City, CA 94404 or call (650) 952-4910. 

Equal Opportunity Employer, including disabled and veterans.
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Salary : $137,000 - $177,000

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