Senior Mechanical QA-QC Agent at ACS in Chicago, IL

Join a Team Where Engineering Excellence Drives Opportunity

At Affiliated Engineers, Inc. (AEI), we bring together expertise and innovation to solve the most complex challenges. Since 1978, we’ve supported mission-driven organizations in designing systems and environments that advance society and improve lives. Today, with more than 1000 professionals across 23 offices, we help shape the future of healthcare, science and technology, energy, education, and other vital sectors.

From elevating patient care in Mayo Clinic’s world-class hospitals to enabling discovery in high-containment laboratories for U.S. agencies and driving environmental progress with Microsoft’s renowned Thermal Energy Center, our work enriches the human experience, safeguards the environment, and pushes the boundaries of possibility.

AEI consistently earns national recognition from leading industry publications, including Building Design+Construction, Engineering News-Record, and Consulting-Specifying Engineer, with distinctions such as being named the #1 Laboratory Engineering Firm in the nation and receiving multiple Best of the Best Project awards, underscoring the lasting legacy of our work.

At AEI, you’ll join a collaborative community where your expertise fuels innovation, your ideas drive progress, and your work helps shape a brighter future.

We are hiring for a Senior Mechanical QA/QC Agent in our Chicago office. As part of our Mission Critical team, you will help us empower our clients to achieve energy-efficient building solutions, save global environments, and create a better, greener future for all.

Why we need you:
In this role, you will be responsible for resolving quality control challenges and completing tasks assigned, including developing and implementing quality control process delivery plans based on information outlined in the owner’s project requirements, basis of design, design and construction documents, as well as information gathered from users and project partners, field surveys, specifications, shop drawings, and code research. You will also be responsible for mentoring and fostering the development of team members with less experience and responding to questions that may arise across multiple site locations.

The expertise of our most successful Senior Mechanical QA/QC Agent includes:
• Technical or associate degree in HVAC, mechanical, plumbing, engineering, or construction management from an accredited technical institution, college, or commensurate design or field experience.
• Minimum of ten (10) years of experience in mechanical service or mechanical equipment testing.
• A minimum of five (5) year in mission critical and a minimum of two (2) years in the hyperscale space.
• Functional knowledge of building systems across disciplines, including HVAC, fire protection, technology, instrumentation and controls, and processes.
• Expertise in state-of-the-art critical systems, including building monitoring systems, chillers, cooling towers, computer room air handlers, RTUs, pumps, and fans.
• Fundamental knowledge of commissioning processes and commissioning process delivery of applicable equipment.
• Fundamental knowledge of construction processes and project delivery models.
• Extensive knowledge and understanding of electrical codes, standards, specifications, and shop drawings with the ability to interpret them.
• Proficiency in utilizing applicable technologies, including computer/software, data loggers, and test and measurement equipment.
• Valid driver’s license and state-required vehicle insurance.

Effective skills to help you flourish:
• General understanding of the resources required to complete specific types of projects.
• Ability to anticipate inspections and to effectively delegate and balance workload among team members.
• Communicates well with clients, project partners, and individuals at all organizational levels.
• Ability to apply safety training to specific construction situations and avoid unsafe work environments.
• Ability to safely operate and instruct others in test and measurement equipment and common tools use.
• Strong spoken and written communication skills.
• Excellent organization and time management skills.
• Quick technical comprehension and motivation focused on client outcomes.
• Ability to prioritize multiple tasks.
• Effective working individually and within team environments.
• Procore, CxAlloy, or BIM360 experience is a plus.

Typical Responsibilities:
• Perform periodic site walks to ensure adherence to procedures and best practices, including assisting general contractors and their site superintendents with inspections as required.
• Deliver a daily report detailing completed tasks or inspections and adeptly provide information regarding issues supported by codes or standards.
• Collaborate in a team environment, including carrying out appropriate follow-through with others, mentoring, delegating work, and giving and receiving constructive feedback.
• Onsite expectation 100% if placed on a site within the region. When required on a site out of the region, travel of 75% will be expected. These will vary based on the site's expectations. We strive to maintain a balance between onsite and work-from-home duties.

When you work here, you can expect:
• A flexible, collaborative environment where your well-being matters—because your best work happens when you’re supported.
• Real opportunities to grow—through mentorship, professional development programs, and exposure to high-impact projects across disciplines.
• To collaborate with inspiring teammates who challenge the status quo, foster innovation, and pave the way for future leaders.
• A benefits package that offers health, dental, vision, and retirement, a performance-based year-end bonus, and thoughtful perks tailored to your needs—whether that's a flexible work environment, wellness resources, or community-focused initiatives, we’ll continue to invest in.

If this dynamic environment and the chance to contribute to transformative projects resonate with your ambitions, we would love to connect with you. Join us and make an impact!
Apply online at https://aeieng.com/about/careers/
If you know someone who would thrive in this role, please share this posting with them directly via email or through your LinkedIn network.
AEI is proud to be an EEO/AA Employer/Vet/Disabled.