County Engineer Jobs in Hamilton, OH (NOW HIRING)

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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.

AECOM is seeking a Civil Engineer III to join our growing Transportation team in Cincinnati, Ohio. In this role, you will contribute to the planning, design, and delivery of roadway and transportation infrastructure projects that improve mobility and enhance communities throughout Ohio and the surrounding region. Working alongside experienced transportation professionals, you will support projects from concept development through final design while collaborating with multidisciplinary teams to deliver innovative, high-quality engineering solutions. This position offers opportunities for technical growth, client interaction, and increased responsibility on a variety of state and local transportation programs.

Key Responsibilities

• Prepare roadway, highway, and transportation engineering designs for municipal, county, and state transportation projects.
• Develop engineering plans, specifications, cost estimates, technical reports, and supporting calculations.
• Perform geometric roadway design utilizing industry-standard software including MicroStation and OpenRoads Designer.
• Coordinate with project managers, technical leads, and multidisciplinary teams to deliver projects on schedule and within budget.
• Assist with design reviews and quality control activities to ensure compliance with applicable engineering standards and client requirements.
• Support project development activities including alternatives evaluations, preliminary engineering, and final design.
• Coordinate with utility owners, permitting agencies, and other project stakeholders as needed.
• Assist with preparation of engineering studies, design documentation, and construction support activities.
• Participate in client meetings and collaborate with transportation agencies including the Ohio Department of Transportation (ODOT) and local municipalities.
• Continue developing technical expertise while mentoring junior engineering staff as opportunities arise.

This role will provide the opportunity to directly support transformational projects including the Brent Spence Bridge Corridor project. This project is one of the largest highway infrastructure projects in the country and entails design and construction of a new bridge crossing of the Ohio River between Cincinnati and Covington Kentucky, along with 8 miles of significant highway improvements. Design is in progress, providing a unique opportunity for multiple career-defining roles on the project. This is a world-class effort delivered by world-class people, come join the team with the power to uplift communities and improve people’s lives.

Minimum Qualifications

• BA/BS and 4 years of relevant experience demonstrated equivalency of experience and/or education

Preferred Qualifications

• Professional Engineer (PE) license or ability to obtain within 12 months.
• Experience delivering roadway and highway design projects for ODOT or other state transportation agencies.
• Proficiency with MicroStation OpenRoads Designer and related Bentley design software.
• Experience preparing roadway plans, specifications, quantities, and engineering cost estimates.
• Familiarity with AASHTO, ODOT, and local agency design standards.
• Strong written and verbal communication skills with experience collaborating across multidisciplinary engineering teams.
• Bachelor's or Master's degree in Civil Engineering with 8+ years of transportation engineering experience supporting roadway and highway design projects.

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.