Environmental Cost Estimator

AECOM has an immediate need for a construction cost estimator to work on multiple projects related to environmental remediation work. In this role you will be responsible for producing clear, defensible cost estimates for the execution of remediation construction projects, including researching and engaging potential contractors to obtain competitive quotes for work. This is a full-time technical specialist position with the ability to work remotely from any place in the United States.

Responsibilities of this position, which may vary slightly, include the following:

• Perform and/or direct material take-off analysis of design drawings and specifications to accurately determine quantities for cost estimating purposes.

• Build bottom‑up cost estimates (labor, equipment, materials, subcontractor).

• Develop and document the Basis of Estimate (assumptions, exclusions, methodologies, sources, allowances, contingency, range of accuracy).

• Document cost assumptions clearly for 1) communication with the project team during the proposal preparation process and 2) execution of work.

• Estimate waste characterization, handling, transportation, and disposal costs (RCRA/TSCA/C&D) considering profile requirements, haul distances, and landfill fees.

• Research and engage potential contractors to obtain competitive quotes for work, ensuring clear communication of project requirements. Additionally, evaluate quotes received to identify the best value and alignment with project goals.

• Collaborate with project teams and management in development of costing strategies and plans (approach, techniques, level of effort, cost, schedule).

• Manage the preparation of a cost estimate to execute a proposed scope of work and support proposal team during development of remediation technical approaches.

• Plan, organize and supervise the work of cost estimate preparation support staff.

• Following project award, support project execution team with the issue of purchase orders to selected contractors and vendors confirming scope of work and cost to complete.

• Maintain historical cost data and benchmarks. Develop current project estimate comparisons with previous performance and market benchmark data.

• Participate in constructability and means/methods reviews; provide cost-informed input to design optimization and remediation approach selection.

Minimum Requirements:

• Bachelor of Science or Bachelor of Arts AND 6+ years of estimator-related work experience (including environmental remediation) OR demonstrated equivalency of experience and/or education.

• Must pass a State and Federal criminal history/security background check; many projects/clients are security sensitive.

• Due to the nature of the work, US Citizenship is required.

• Valid U.S. Driver’s License is required.

Preferred Qualifications:

• Proficient in Microsoft Excel, demonstrating the ability to analyze data, create complex spreadsheets, and utilize various functions and formulas effectively.

• Ability to work independently and collaborate with others.

• Able to travel up to 30% of the time to project sites nationwide.

• Familiarity with construction estimating resources and software such as RSMeans, Sage Estimating or ProEst is a plus.

• Knowledgeable about the practices and procedures outlined by the Association for the Advancement of Cost Estimating (AACE), ensuring adherence to industry standards for accurate cost estimation and project controls.

• Understands construction means, methods, and sequences-multiple disciplines.

• Possesses a working knowledge of construction planning and scheduling.

• Estimator with experience preparing successful estimates on competed, large (>$10M), firm fixed priced-performance based environmental remediation work is highly desired

• Role is listed as Remote, Salary range is based on Dallas, TX. However salary offered will be dependent upon candidates specific location within the USA.

About AECOM

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com.

What makes AECOM a great place to work

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community—where you have the freedom to grow in a world of opportunity.

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.