Senior Estimator

Job Summary

This role will be responsible for developing detailed and accurate cost estimates as part of the Project Controls & Project Financial Office for the California High-Speed Rail Program. The role functions as an integral team member, contributing to the planning and execution of cost estimation activities to support program goals and financial oversight under the general direction of the Estimating Manager.

• Develop capital cost estimates across all project phases, from planning and conceptual design to final design and construction.
• Facilitate the coordination and collection of information from internal departments and external stakeholders to support accurate cost estimation.
• Contribute to the development of capital cost estimates for key program deliverables, including the bi-annual Programmatic Business Plan, Program Baselines, and Project Update Reports.
• Review and analyze contractor-submitted estimates and claims to ensure accuracy, consistency, and alignment with program standards.
• Assist in creating and maintaining policies, procedures, and standards for program-wide cost estimating practices.
• Collaborate with the Estimating Manager and Project Controls team to ensure alignment between scope, schedule, and cost.
• Maintain cost estimate documentation and support audits, reporting, and oversight functions.
• Participate in process improvement efforts to enhance the accuracy, efficiency, and transparency of cost estimating activities.

• BA/BS + 8 Years of relevant experience or demonstrated equivalency of experience and/or education.

• Bachelor’s degree in Civil Engineering, Construction Management, or related field.
• 15+ years of estimating experience, including 10+ years on large transit projects ($1B+).
• Proficient in cost estimating and database software (e.g., HCSS, Timberline, Onscreen Takeoff).
• Strong skills in cost analysis, change order evaluation, and negotiation.
• Proven experience leading estimating teams on complex infrastructure programs.
• Effective communicator with ability to interpret plans, develop scopes, and present to stakeholders.
• Professional certification in cost estimating or engineering preferred.

• Travel may be required.
• Sponsorship is provided.

Offered compensation will be based on location and individual qualifications. The expected range is $ - $.

AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absence, 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.

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.