Administrative Assistant Intern

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.

AECOM is seeking a highly motivated Administrative Assistant Intern to provide clerical and administrative support the Water Business Lines in Denver, Colorado. 

This position is expected to begin in July 2025.

Internships at AECOM offer students in undergraduate and graduate programs the opportunity to gain valuable hands-on experience in engineering, design, and infrastructure projects that make a real-world impact. Interns work with cutting-edge technology, learn industry best practices, and collaborate with experienced professionals in a globally recognized firm. The program fosters both technical and professional skill development while providing networking opportunities that can enhance future career prospects. Additionally, AECOM’s dedication to innovation and sustainability enables interns to contribute to meaningful projects that help shape communities and the built environment.

The responsibilities of this position include, but are not limited to:

• The position will involve coordinating and supporting meetings and conferences, coordinating and tracking AECOM policy compliance, and providing general administrative support to water business line staff.
• Will work under general supervision of department and division managers.
• Assists project and people managers on administrative tasks for various projects and overhead items.
• Coordinates and tracks program compliance for various AECOM policies.
• Prepares or proofs correspondence, forms, spreadsheets, or documents.
• Schedules and coordinates meetings and prepare agendas and meeting minutes.
• Proficient in Microsoft 365 (Word, Excel, PowerPoint, Outlook, OneNote), and other programs to accomplish work.
• Manage agendas/travel arrangements/appointments etc. for project teams and managers.
• Create and submit expense reports for Water Business Unit staff.

Minimum Requirements:

• Must have completed one year of study.
• Due to the nature of work, US Citizenship is required.

Preferred Qualifications:

• Familiar with professional office environment, practices, and procedures
• Proficient in Microsoft 365 (Word, Excel, PowerPoint, Outlook, OneNote), and other programs to accomplish work.
• Should have a good command of their communication skills, strong organizational skills, and a high degree of attention to detail.
• Demonstrate proactive problem-solving skills
• Ability to maintain organization in a changing environment
• Exhibits initiative, responsibility and flexibility
• Resourceful, highly organized, and detail oriented
• Ability to work in a fast-paced environment and meet deadlines
• Effective time-management and interpersonal Skills
• Ability to work independently and in a team environment

• Relocation assistance is not available for this position.
• Work in the office 3-5 days per week.

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 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.