Cost Estimator - 4 years minimum experience

Company Description

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.

Job Description

AECOM has an immediate need for an Estimator to work on several projects, primarily related to environmental remediation work.  This is a full-time position for employment in our San Antonio, TX office.

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

•  Capable of quickly learning the Company estimating systems and processes.
•  Understands estimating terminology and measures and recognizes estimating processes/project actions that may impact the project.
• Perform Environmental Remediation estimations in Microsoft Excel.
• Capable of managing the preparation of an estimate and supporting proposal team during development of remediation technical approaches.
• Leads Project Team estimate reviews.
• Collaborates with project teams and management in development of strategies and plans.
• Participates in analyzing and using estimations to predict key project issues.
• Documents assumptions clearly for 1) communication with the project team during the bid process and 2) execution of work.
• Assists in the evaluation of business opportunities and potential profitability.
• Understanding and application of financial analysis and calculation of profitability metrics.
• Understands construction means, methods, and sequences-multiple disciplines.
• Supervises junior staff through task development, establishing and maintaining goals and expectations, and documenting performance related issues and achievements.
• Identifies and develops talent.
• Actively participates in all staffing issues affecting their area of responsibility.
• Assists in tracking action items.
• Prepares or assists in the preparation of ROIC and IRR forecasts.
• Work directly with subcontractors to resolve technical matters during proposals, negotiation, and contract execution.
• Prepares crew build-ups and production rate determinations.
• Determines construction equipment selection.
• Possesses a working knowledge of planning and scheduling.
• Understands company cost structure (overheads, G&A, insurances).
• Develops Work Breakdown Structures.
• Evaluates suitability of scope and execution plan for basis of estimate.
• Initiates the preparation of an Estimate Plan (approach, techniques, level of effort, cost, schedule), Basis of Estimate and qualifications.
• Prepares bid tabulations responding to the customer/Request for Proposal requirements.
• Collects, analyzes and archives project data. Develops historical documentation.
• Develops current project estimate comparisons with previous performance and market benchmark data.
• Helps prepare information for Executive Review Committee presentations.

Qualifications

Minimum Requirements:

• Bachelor of Science or Bachelor of Administration in Business AND 4+ 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:

• Proficiency with Microsoft Office Suite of tools, especially Excel.
• Ability to work independently and collaborate with others.
• Estimator with experience preparing successful estimates on competed, large (>$10M), firm fixed priced-performance based environmental remediation work is highly desired
• Proficiency with RACER cost estimating tool

Additional Information

• THIS POSTING IS FOR A CURRENT VACANCY, AND AECOM INTENDS TO FILL THIS POSITION BY SEPTEMBER 6TH, 2026.  

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

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.