Chief Estimator
Quick Summary
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,

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 is currently seeking qualified candidates for the position of Chief Estimator based in its Plaistow, NH office.
Projects may be a mix of Design-Bid-Build, Construction Manager at Risk (CMAR), and Design-Build and range in size from $20 - $500 million. The successful candidate will be responsible for managing multiple, simultaneous estimating projects and resources while maintaining company standards of quality and sponsoring the estimate through the operations and management team’s reviews. The position will require strong leadership, management, coordination, organizational, and communication skills along with the ability to deliver high-quality cost estimates within the prescribed budget and schedule.
Essential Functions
- Serve as the primarily responsible party for all estimating assignments.
- Review solicitation and design documents such as contracts, specifications and drawings to identify risks and opportunities related to competitive pricing.
- Develop and manage the estimate schedule and coordinate internal milestone dates with the discipline estimators.
- Distribute design and solicitation documents to the pricing team while maintaining revision control during estimate development.
- Review the final multi-discipline estimate and prepare reports and other deliverables for the management review.
- Ensure complete estimate coverage and gap elimination.
- Oversee all “bid day” activities for traditional design-bid-build pursuits.
- Effect process improvement to ensure that the company’s estimating practices maintain at the forefront of the industry.
Basic Qualifications
- BS in Engineering, Construction Management, other technical degree, or equivalent experience.
- 10+ years of estimating experience, preferably encompassing multiple self-perform disciplines.
- Experience in complex industrial facility, heavy civil, and building construction disciplines.
- Understanding of water and wastewater treatment plant processes and construction standards.
- Experience leading and supervising other estimators to develop a comprehensive project estimate.
- Experience with Microsoft Office suite.
- Periodic travel may be required based on project needs.
- Strong computer skills are essential.
Preferred Qualifications
- 20+ years of relevant estimating experience, preferably at multiple levels of design completion.
- Experience with HCSS HeavyBid and AGTEK Estimating Software.
- Self-perform estimating experience in site/civil, concrete construction, and/or process mechanical construction.
Travel
Travel is primarily limited to Northeast jobsite locations. This position is ONSITE in Plaistow, New Hampshire when not traveling to assigned jobsites.
Benefits
- Group health & welfare benefits including options for medical, dental and vision
- Company 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
Equal Opportunity Employer, including disabled and veterans.
Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
Pay range: $200-280K annually
Please note that all positions require pre-employment screening, including drug and background check, as a condition of employment.
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.
#LI-HP1 #LI-Onsite
Location & Eligibility
Listing Details
- First seen
- October 2, 2026
- Last seen
- October 2, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 56%
- Scored at
- October 2, 2026
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