Mechanical Engineer - job 1 of 7

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 an Entry-Level Mechanical Engineer to be based in our Arlington, VA office.

This position is expected to begin on June 2026.

The Mechanical Engineer will be responsible for the following items:

• Performs specific portions of a broader assignment under the mentoring of an experienced engineer.
• Gathers and correlates basic engineering data using established and well-defined procedures.
• Prepares designs, calculations, sketches, diagrams, schematic drawings and construction drawings.
• Evaluate, select, apply standard engineering techniques, procedures and judgement based on experience to design HVAC systems in buildings using building information modeling.
• Proposes approach to solve new problems encountered using modifications of standard procedures or methods developed in previous assignments.
• Performs work in accordance with the agreed-upon budget and schedule with little supervision.
• Independently performs all the tasks necessary to complete the primary design elements for engineering works.
• Performs comparative analysis of system configurations and evaluates building performance metrics through advanced energy simulation and modeling software.

Minimum Requirements:

• Bachelor's Degree in Mechanical Engineering, Architectural Engineering, or related field.
• Due to the nature of work, U.S. Citizenship is required.
• Valid U.S. Driver’s License required to visit project sites, clients, and other AECOM offices.As a condition of employment, selected candidate must pass a Motor Vehicle Records review.

Preferred Qualifications:

• Passed Fundamentals of Engineering Exam (EIT / FE)
• Experience utilizing industry standard software packages such as AutoCAD, Revit, Bluebeam (pdf editor), or similar.
• Full understanding and ability to complete accurate and coordinated project design assignments with the ability to review team member’s work for quality.
• Experience sizing ductwork systems and modeling in 2D and 3D platforms.
• Experience sizing hot water, condenser water, and chilled water piping systems and modeling in 2D and 3D platforms.
• Knowledge of ASHRAE Standard 62.1 – Ventilation and Acceptable Indoor Air Quality.
• Knowledge of ASHRAE Standard 90.1 – Energy Standard for Buildings.
• Ability to work on multiple projects concurrently.
• Comfortable working in a high energy environment with frequent deadlines.
• Successfully performed the role of a design engineer on various projects.
• Good interpersonal, organizational, verbal, and written communication skills.

• Relocation assistance is not available for this position.
• Travel is required for this position.
• This position requires a hybrid work schedule which includes in office work in Arlington, VA. The selected candidate must be available to work in Arlington, VA on a scheduled basis.

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.