Senior Mechanical Engineer IV (HVAC System Design)

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 an experienced Mechanical Engineer IV based in Roanoke, Virginia to expand our team. This hybrid position offers the opportunity to work on high-profile mechanical engineering projects within the Building and Places sector. The ideal candidate will have a strong background in facilities-related mechanical engineering and HVAC design, with a proven track record in delivering high-quality designs and project completions.

Responsibilities include, but are not limited to:  

• Evaluate, select, and apply standard engineering techniques for the design and construction of HVAC systems and equipment using building information modeling
• Coordinate HVAC systems with other disciplines to produce comprehensive building system designs, perform construction inspection and observation for active projects, and generate detailed reports
• Review and revise engineering standards, participate in proposal development, project planning, and staffing, and develop system narratives and technical documentation
• Utilize your strong skills in AutoCAD and Autodesk Revit for mechanical system coordination with Plumbing Engineers, Fire Protection Engineers, Electrical Engineers, Architects, and other design professionals
• Interact effectively with diverse market types, clients, and subcontractors
• Review and edit technical specifications, ensuring compliance with applicable codes and standards, leading quality control of design calculations and drawings, and providing input on engineering budgets and schedules to meet project requirements
• Independently manage multiple projects from concept through construction administration, commissioning, and post-occupancy phases
• Perform energy calculations
• Mentor junior staff 
• Assist in proposal preparation and maintain client relationships
• Utilize your strong commitment to technical excellence, problem-solving, and collaboration within multidisciplinary teams

Qualifications

Minimum Requirements:

• Bachelor's degree in Mechanical Engineering or related field + 6 years of relevant experience in mechanical building systems design or demonstrated equivalency of experience and/or education
• Registered Professional Engineer
• Due to the nature of the role, must be a United States Citizen

Preferred

Qualifications

• Capable of obtaining a Top Secret Level Clearance with the US Government
• 8+ years of experience
• Familiarity with industry codes, standards, and sustainable design practices is important
• The candidate must demonstrate proficiency in technical engineering software and a thorough understanding of mechanical system design for commercial, institutional, and industrial projects
• Experience with plumbing would be a plus

Additional Information

• Relocation assistance is not available

• Sponsorship for US employment authorization is not available now or in the future for this position

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.