Careers at AES!
AES seeks driven individuals to join its team in fields like mechanical and software engineering, manufacturing, customer service, and more.
Powered by emerging technologies and efficient manufacturing practices, Associated Environmental Systems (AES) is a leader in the environmental test chamber industry.
Our test chambers enable innovative companies to create specified conditions in a controlled and confined space—driving research, development, and the manufacturing of products used every day.
At AES, we’re proud to engineer next-generation technology, provide dependable service that keeps chambers running for 10 years or more, and deliver a customer experience rooted in real human connection. When you contact us, you’ll always reach a person—because we’re committed to doing right by our customers.
If you’re looking to join a creative, fast-paced environment and contribute to world-changing innovations in a welcoming, friendly atmosphere, apply today.
➡️ Meet some of the faces behind AES and take a look inside our new North Chelmsford headquarters in the video alongside this section.
OUR PURPOSE
At AES, we strive to help our customers make their products stronger, faster, safer, and longer-lasting. Our employees and clients alike count on us for the following:
Creativity
Each department at AES approaches challenges with a creative mindset. We seek to find solutions that exceed expectations and push the company forward. Collaboration with each other and our customers is key to driving this creativity.
Dependability
The AES logo represents all of the hard work that goes into our services. When you see it, know the entire team is behind the project to support its success.
Efficiency
We optimize our operations to create a safe work environment and reduce lead times for test chamber orders.
Integrity
Integrity is at the forefront of AES's operation. We respect and guard all customer-desired confidentiality. AES policies assure our customers that both quality and social standards are met and maintained.
LIFE AT AES
Headquartered in North Chelmsford, AES has two strategically located offices in Michigan and California’s Bay Area.
We’re deliberate in fostering a culture where we look forward to coming to work every day. AES blends this warm and friendly environment with an electric dedication to our craft. Our skill sets are as wide-ranging as our team members’ diverse backgrounds, empowering an inventive culture made possible by the productive tensions between cooperation and divergent viewpoints. This approach has forged AES into the industry leader it is today.
Team Bonding: Every year we have our annual corn hole and BBQ event where our team gets to relax and play a friendly game of corn hole!
Supporting the Community: AES recently had a booth at the Devens Dog Fair hosted by Clear Path for Veterans. This is a yearly event to help raise support and awareness for veteran service dog programs.
EMPLOYEE TESTIMONIALS
Matt
Large and Custom Chambers Production Manager
I love coming to work every day where everybody takes their work seriously but not themselves too seriously. AES is a great place to work because it's a close-knit engineering company with a focus on collaborations and innovation. I am challenged every day with every task at hand.
Peter
Western Region Service Manager
During my seven years working with AES, I have participated in the growth and development of our manufacturing and service teams. Collaboratively, we are an unstoppable force in the chamber industry. It has been a fulfilling experience, and I look forward to the continued success of the company.
Rachael
Sustaining Engineering Manager
Working at AES has been both rewarding and exciting. Working alongside highly skilled and experienced engineering and manufacturing floor teammates has helped me grow as an engineer and as a manager. Everyone brings a unique perspective and approach to the table which helps to achieve our goals in making the most powerful chambers on the market. The perk of being able to bring my dog to work and socialize with other dogs has been awesome as well!
John
Vice President
I started in the 1980s with an internship, and now I have been with AES for more than three decades. I have seen the transition from analog to digital test chambers, the development of remote testing, and what has driven changes in environmental testing. As Vice President, I have a hand in almost everything. Every day is always challenging and fun!
BENEFITS
Benefits
- 401K Plan
- Paid Vacation
- Paid Sick Time
- Paid Holidays
- Tuition
Reimbursement - Leadership Development Program
- Intern Program
Medical Care
- Medical PPO or HMO
- Dental
- Eye Care
- ST Disability
- LT Disability
- Life Insurance
- Travel Assistance Program
- Accident Insurance
Perks at Work
- Dog friendly with a dog park on-site
- Casual dress code
- EV charging station
- Social events
- On-site barber brought in once a month
- Biweekly Free Lunch Fridays
- Basketball
CURRENT OPENINGS
Can you see yourself working at AES? Check out the full list of job openings on LinkedIn, and Indeed. Apply directly through those platforms.
Electrical Engineer II – Systems Support
Associated Environmental Systems (AES) is seeking a hands-on Electrical Engineer II to help support the electrical and control systems used in advanced environmental test chambers. These systems integrate refrigeration equipment, heating systems, sensors, PLC controls, and industrial power distribution to precisely control temperature and humidity.
This role works closely with the Senior Electrical Engineer and cross-functional engineering teams to support production, service, and sustaining engineering activities. The position is highly practical and involves troubleshooting refrigeration control systems, designing retrofit solutions, maintaining electrical documentation, and supporting manufacturing builds.
Engineers in this role regularly work on systems that integrate compressors, valves, heaters, blowers, sensors, PLC controls, and safety systems used in environmental and battery testing applications.
This position is ideal for someone with electrical experience in HVAC, refrigeration equipment, environmental chambers, or industrial control systems who enjoys solving real-world engineering problems and working closely with production and service teams.
Who We Are
Associated Environmental Systems (AES) designs and manufactures advanced environmental test chambers used across aerospace, electronics, automotive, and battery industries. Our systems simulate extreme environmental conditions to validate cutting-edge technologies for customers including Tesla, Rivian, Lucid, Google, Meta, and many others.
Our chambers combine refrigeration systems, controls, and safety engineering to create highly precise test environments. Engineers at AES work in a collaborative, multidisciplinary environment solving complex real-world engineering challenges.
Primary Responsibilities
● Support electrical control and power systems used in refrigeration-based environmental test chambers.
● Troubleshoot electrical issues related to compressors, heaters, sensors, expansion valves, blowers, and refrigeration safety systems.
● Work with refrigeration engineers to support electrical integration of cascade and single-stage refrigeration systems.
● Assist in diagnosing field issues involving refrigeration controls, sensors, or system operation.
● Design and document retrofit and upgrade kits for legacy environmental test chambers.
● Provide electrical troubleshooting support to service technicians and customers.
● Diagnose wiring, control, and component failures on production or fielded equipment.
● Develop electrical design updates to resolve field issues and improve reliability.
● Support root cause investigations and implement corrective design improvements.
● Provide engineering support to manufacturing for wiring, electrical assembly, and system integration.
● Identify and resolve electrical build issues in coordination with production and quality teams.
● Create and implement Engineering Change Orders (ECOs) related to electrical systems.
● Maintain and update electrical schematics, wiring diagrams, and bills of materials.
● Support continuous improvement initiatives focused on manufacturability and repeatability.
● Assist with electrical load analysis and component selection.
● Participate in design reviews and prototype builds.
● Review supplier technical documentation and support component qualification.
Skills & Qualifications
● Bachelor’s degree in Electrical Engineering or equivalent experience preferred.
● 3–6 years of experience working with industrial electrical systems, HVAC equipment, or refrigeration control systems.
● Experience troubleshooting electrical systems supporting compressors, heaters, sensors, and industrial equipment.
● Proficiency in SolidWorks Electrical or similar 2D electrical CAD software.
● Familiarity with PLC programming and ladder logic (Click PLC experience a plus).
● Understanding of temperature control systems, sensors, and industrial instrumentation.
● Knowledge of industrial wiring practices and control panel design.
● Familiarity with HVAC or refrigeration system controls strongly preferred.
● Experience with UL 508A, UL 61010, NEC, NFPA 79, or IEC electrical standards.
● Experience managing BOMs, ECOs, and engineering documentation.
● Strong troubleshooting and problem-solving skills.
● Ability to work independently while collaborating with multidisciplinary engineering teams.
Why Join AES
● Work on complex engineering systems integrating refrigeration, controls, and thermal systems.
● Exposure to advanced technology programs supporting companies like Tesla, Rivian, Google, and Meta.
● Collaborative engineering environment with mechanical, refrigeration, electrical, and controls engineers working closely together.
● Competitive salary and benefits.
● Tuition reimbursement and professional development opportunities.
● Dog-friendly workplace with a highly collaborative team culture.
About Associated Environmental Systems
Associated Environmental Systems (AES) designs and manufactures advanced environmental test chambers used across aerospace, electronics, and automotive industries. Our systems play a critical role in validating battery technologies and next-generation products supporting global electrification and energy storage.
Don't see the position that's right for you?
Call us at (978-772-0022) At AES, we value talent and growth-oriented people. We would love to meet you, and we might be able to work something out.
FAQs
What are the steps of the recruiting process?
We start by posting any open positions on our company website with links to apply on Indeed and LinkedIn. Once we have received your resume, you will be contacted by the People Operation Director to get to know you better and give you an overview of the position. Once we feel the role would be a good fit, we invite you to tour our facility and meet the team.
How should I dress for my interviews?
We are a pretty casual group. We don’t even have an official dress code. Instead, we encourage you to be yourself and wear whatever you’re comfortable with. Jeans, dresses, skirts, slacks—whatever you like is fine with us.
I don’t see a job that’s perfect for me right now. How can I share my resume or contact information?
At AES, we value talent and growth-oriented people. Reach out to us. We would love to meet you, and we might be able to work something out.
I submitted my application but haven’t heard back. What is the status of my application?
Usually, if you are still waiting to hear, the process might have gotten delayed. You can always reach out to us anytime!
What are some of the ways AES focuses on team development?
We do a lot to develop our talented individuals into a fully-fledged team. On your first day, you receive a schedule and get to shadow or meet one-on-one with key people you will interact with. Lunch is ordered on your first day so you and your team can sit down and enjoy a casual conversation to get to know each other. We are proud to offer leadership development programs, and many team members have moved into supervisory and management positions after starting on the manufacturing floor.
CONTACT US
We try to be just as responsive to potential employees as we are to our customers. Please, don’t hesitate to reach out if you have any further questions. We’re happy to help.
You can call us at 978-772-0022 or leave a message, if outside normal business hours. You can also email us at support@associatedenvironmentalsystems.com.