Demo

Senior Estimator

MWH
Phoenix, AZ Full Time
POSTED ON 4/12/2026
AVAILABLE BEFORE 5/28/2026
MWH is a leading water and wastewater treatment-focused general contractor in the US with a rich history dating back to the 19th century. Fueled by the mission of Building a Better World, our teams are rapidly growing across the nation.

As a company committed to our team's well-being and growth, we offer a supportive work environment, opportunities for advancement, and the chance to contribute to a mission that shapes the future. Your expertise and ambition are valued here.

The work we do matters. The critical systems infrastructure we build changes lives, betters' communities, and improves ecosystems. If you're passionate about this, we want to hear from you!

About The Role

MWH Constructors, Inc. ("MWH"), is seeking a qualified Senior Estimator to support preconstruction efforts on critical water, wastewater, and advanced water treatment plant projects for municipal and industrial clients (including advanced technology sector clients) in Phoenix, AZ. Estimators knowledge on self-performing trades for process mechanical and cast in place concrete, and underground pipe is a plus.

Essential Functions


  • Prepare cost estimates on proposals, projects and studies and ensure that the content of the estimate is complete, accurate and meets the requirements of the Estimating Manager.
  • Plan, coordinate, review, verify and analyze all aspects of estimates and estimate presentation.
  • Knowledge of productivities, material prices, and means / methods depending on varying project conditions.
  • Review project documents such as specifications and drawings to identify risks and opportunities related to competitive pricing.
  • Coordinate and review the variable estimating factors in each area with Engineering, Procurement and Operations.
  • Provide technical advice and assistance to the Estimating Team in the preparation of all levels of estimates ranging in scope and complexity.
  • Responsible for estimate’s accuracy (upon completion of the estimate and summarization of all detailed man-hours, material, construction and home office costs).
  • Responsible for conducting takeoffs, pricing structure development, derived quantities, quantity assumption, and cost allowances.
  • Solicit, obtain and verify construction quotations for facilitation of construction projects, addenda’s and contract changes.
  • Solicit, obtain and verify subcontractor questions for construction projects and ensures compliance with construction documents.
  • Compile and analyze quotations and bids to ensure compliance with contract documents.
  • Develop reports for all review processes.
  • Provide constructability reviews and guidance to the operations team to ensure the preliminary costs of the projects.
  • Actively research, solicit, and develop a network of relationships within the supply chain.
  • Review and incorporate historical data from purchase orders, subcontractors, and productivity analysis reports in order to continuously improve estimating accuracy.


Basic Qualifications


  • Bachelor's degree in Engineering, Construction Management, or a related field; equivalent combination of construction field experience, skills and training may be substituted.
  • Minimum of 10 years of previous experience estimating for heavy construction or industrial projects, with working knowledge of construction equipment/techniques, drawings and specifications, building materials, and required standards.
  • Must be proficient in using MS Excel, Adobe Acrobat and/or Blue Beam.
  • Ability to interface and communicate effectively with others.


Preferred Qualifications


  • Experience in the water/wastewater sector.
  • Knowledge or experience in CMAR, CMS, Design-Build or Hard-Bid estimates.
  • Construction field experience.
  • Cost control and scheduling exposure is a plus.
  • HCSS HeavyBid software knowledge is a plus.
  • Planswift On-screen Take Off knowledge is a plus.
  • Agtek software knowledge is a plus.


Compensation


  • Anticipated salary for this position is budgeted at $175,000 - $180,000 per year


Benefits


  • Group health & welfare benefits including options for medical, dental and vision
  • 100% Company Paid Benefits: Employee Life Insurance & Accidental Death & Dismemberment (AD&D), Spouse and Dependent Life & AD&D, Short Term Disability (STD), Long Term Disability (LTD), Employee Assistance Program and Health Advocate
  • Voluntary benefits at discounted group rates for accidents, critical illness, and hospital indemnity
  • Flexible Time Off Program (includes vacation and personal time)
  • Paid Sick and Safe Leave
  • Paid Parental Leave Program
  • 10 Paid Holidays
  • 401(k) Plan (company matching contributions up to 4%).
  • Employee Referral Program


MWH Constructors is a global project delivery company in heavy civil construction with a focus on water and wastewater treatment infrastructure. With the ultimate goal of delivering maximum value to clients and their local communities, MWH Constructors provides single-source, integrated design and construction services through a full range of project delivery methods. Incorporating industry-leading preconstruction and construction services, the Company’s multi-disciplined team of engineering and construction professionals delivers a wide range of projects, including new facilities, infrastructure improvement and expansion, and capital construction services.

Equal Opportunity Employer, including disabled and veterans.

Please note that all positions require pre-employment screening, including drug and background check, as a condition of employment

Salary : $175,000 - $180,000

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