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Construction Cost Estimator [Water/Wastewater]

CES Consultants, Inc.
Alexandria, VA Remote Part Time
POSTED ON 12/27/2025
AVAILABLE BEFORE 2/27/2026

 

Job Title: Construction Cost Estimator [Water/Wastewater]


Job Location:                  On-Call Services - Virtual


The Role

We are looking for a self-motivated, detail-oriented Construction Cost Estimator with experience in Water and Wastewater treatment plants and Pump stations who thrives in a flexible work environment. The ideal candidate must be responsive, reliable, and able to deliver high-quality work under tight deadlines. Strong communication skills and the ability to work independently are essential for success in this role.

This is a fully remote position. The role is structured as on-call services, meaning the candidate will be engaged on an as-needed basis. When a client request arises, the candidate will be notified to perform a specific task and will be compensated for that assignment. This arrangement offers significant flexibility, allowing you to work from anywhere and accept tasks that fit your schedule.

Responsibilities:

  • Develop detailed (bottom-up) independent construction cost estimates for water and wastewater treatment and pumping facilities.
  • Review engineering Opinions of Probable Construction Costs (OPCCs) for accuracy and completeness.
  • Analyze and evaluate contractor bids and proposals for new awards and change orders.
  • Interpret and analyze drawings, specifications, and contract documents to support cost estimation.
  • Stay current with industry trends in equipment and material pricing to ensure accurate estimates.
  • Collaborate with project teams to explain and reconcile differences between cost estimates.
  • Prepare detailed cost estimates for construction projects, including materials, labor, equipment, and subcontractor costs.
  • Analyze blueprints, specifications, and other documentation to prepare comprehensive cost estimates.
  • Collaborate with project managers, engineers, and architects to ensure accurate and timely cost estimation.
  • Conduct risk analysis and develop contingency plans to mitigate potential cost overruns.
  • Maintain up-to-date knowledge of industry trends, materials, and construction methods.
  • Provide support during the bidding process, including reviewing and analyzing bids from subcontractors and suppliers.
  • Conducting value engineering studies of selected projects 
  • Perform additional project controls-related duties as required.
Qualifications:

Required Skills and Experience:

  • Bachelor’s degree in engineering, construction management, or a related field with a minimum of 3 years of experience in cost estimating OR no bachelor's degree with a minimum of 5 years of experience in detail cost estimating.
  • Proven experience in developing and managing cost estimates for medium and large-scale projects
  • Strong understanding of project management principles, including scope, time, cost, and risk management.

Technical Skills:

  • Proficiency in cost estimation software and tools. (e.g., Bluebeam)
  • Strong knowledge of Microsoft Excel.

Soft Skills:

  • Strong interpersonal and communication skills to interact effectively with stakeholders.
  • Excellent organizational abilities to manage multiple tasks and deadlines.
  • Self-motivated, with the ability to work independently and take initiative.

Preferred Certifications 

  • AACEI – CEP, CCE, or CCEA
  • ASPE

 

 

 

 

Company Benefits:

We offer a competitive salary and comprehensive benefits package to qualified candidates. The employee compensation package includes Employer premium cost share contributions to all employees and their families. The benefit healthcare coverage package includes medical, dental, and vision, 401k with company contributions, Personal Time Off (PTO), and 100% company-paid Life Insurance and Short-Term Disability. Additional Voluntary benefits include Long-Term Disability, Voluntary Life Insurance for employee/spouse/child(ren), and the opportunity to enroll in Health Flex Spending.

Equal Opportunity Employer

CES is proud to be an equal opportunity workplace and an affirmative-action employer.  We are committed to creating an inclusive environment for all employees.  All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability status, protected veteran status, or any other characteristic protected by law or regulations in the locations where we work.

Company Overview:

CES Consultants, Inc., is a rapidly expanding civil infrastructure engineering firm dedicated to excellence.  At CES, teamwork drives our success as we deliver outstanding service and foster strong, lasting relationships with both our employees and clients. We are seeking passionate professionals to join us in our mission to develop innovative, sustainable solutions that strengthen communities and enhance resilience. Being part of our culture means:

  • Thriving on challenges and the effort needed to solve them. 
  • Working with people who are positive, adaptable, and growth minded.
  • Delivering quality work for our clients and investing in their success.
  • Collaborating seamlessly and supporting one another as a team.

Salary : $120,000 - $160,000

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