Senior Cost Estimator

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 is seeking a Senior Cost Estimator to base in Dallas/Fort Worth, TX. The selected candidate will play a key role in delivering complex airport and airfield infrastructure projects across the region, supporting our mission to create safe, efficient, and future-ready aviation environments.

Job Summary

As a Senior Cost Estimator within AECOM's Aviation team, you will be responsible for developing, reviewing, and managing cost estimates for multidisciplinary aviation projects. This role requires expertise in conceptual, schematic, and detailed estimates for airside and landside projects, including terminals, runways, taxiways, parking, utilities, and support facilities. The ideal candidate will bring deep experience in construction means and methods, estimating systems, and industry standards, with the ability to lead estimating efforts and mentor junior staff.

Key Responsibilities

• Prepare and oversee cost estimates across all project phases—from conceptual to final design—ensuring accuracy, consistency, and alignment with project objectives.
• Analyze drawings, specifications, and other documentation to prepare comprehensive estimates.
• Evaluate contractor and vendor proposals for completeness, accuracy, and compliance with project requirements.
• Develop detailed quantity takeoffs and cost models using recognized estimating software and tools.
• Participate in risk assessments, cost control, and value engineering studies to ensure cost-effective solutions.
• Support project managers and design teams with budget tracking, cost trending, and forecasting during project execution.
• Provide input on project schedules, constructability, and phasing considerations that impact cost.
• Prepare cost reports and presentations for clients, internal leadership, and external stakeholders.
• Mentor and provide technical guidance to junior estimators within the team.
• Support proposal and business development efforts, including scope definition and cost benchmarking.

Qualifications

Minimum Requirements

• BA/BS + 10 years of relevant experience or demonstrated equivalency of experience and/or education, including 2 years of leadership

Preferred Qualifications

• 15–20 years of cost estimating experience, ideally supporting large-scale aviation, transportation, or infrastructure projects.
• Certification in estimating or project controls (e.g., Certified Professional Estimator (CPE), AACE Certified Cost Professional (CCP), or PMP).
• Experience with major airport authorities or aviation clients (FAA, DFW Airport, Love Field, etc.).
• Prior experience within a multidisciplinary engineering or program management environment.
• Familiarity with Primavera P6, Oracle Unifier, or similar cost/schedule management systems.
• Proven experience preparing estimates for a wide range of project delivery methods (Design-Bid-Build, CMAR, Design-Build, etc.).
• Strong proficiency in cost estimating tools such as Sage/Timberline, RSMeans, On-Screen Takeoff, or equivalent.
• Knowledge of current construction practices, materials, and regional cost trends.
• Excellent written and verbal communication skills.
• Proficiency in Microsoft Office (Excel, Word, PowerPoint).

Additional Information

• This position may require passing airport-specific background checks and obtaining badges or clearances.
• Relocation support may be available for qualified candidates.

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 2024. Learn more at

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.