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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.

EMPLOYEE TESTIMONIALS

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

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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.

We have an opportunity for a motivated and technically skilled Electrical Engineer to join our forward-thinking team. In this hands-on role, you’ll work closely with the Senior Electrical Engineer to support service, production, and engineering through troubleshooting, retrofit kit design, documentation, and process improvements. Your contributions will help keep projects on schedule, enhance manufacturability, and uphold our high quality standards.

You’ll apply practical problem-solving skills, develop creative solutions, and generate precise BOMs and documentation while gaining exposure to both standard production and custom engineering projects. This role offers the chance to work on innovative designs for some of the world’s leading technology and automotive companies—all within a collaborative, growth-oriented team environment.

 

Who we are

We are an innovative manufacturing company that focuses on growth and technology and enjoys having fun along the way. We have built an extensive and loyal customer base spanning aerospace, electronics, and automotive with significant involvement in the global expansion of the battery industry. We work with many of the major tech companies as well as brands such as Tesla, Rivian, Lucid, Meta, Google, and Harley Davidson.

Primary Responsibilities:

Service & Field Support

  • Design and document retrofit and upgrade kits for legacy equipment.
  • Provide technical troubleshooting support to service technicians and customers.
  • Assist in diagnosing wiring and component issues on production or fielded equipment.
  • Develop ad-hoc electrical design modifications to improve performance or manufacturability.

 

Production Support & ECO Management

  • Act as a production-facing engineer, supporting wiring, assembly, and electrical integration.
  • Identify and resolve electrical build issues in coordination with production and quality teams.
  • Create, process, and implement Engineering Change Orders (ECOs).
  • Maintain and update electrical schematics, BOMs, and documentation.
  • Support continuous improvement initiatives in manufacturing efficiency and repeatability.

Engineering Support

  • Collaborate with the Senior Electrical Engineer on system-level design tasks and documentation.
  • Assist with electrical load analysis, component selection, and wiring diagram updates.
  • Participate in design reviews and prototype builds when needed.
  • Review supplier data and support part qualification and alternates for supply chain.

 

Skills & Qualifications

 

  • Bachelor’s degree in Electrical Engineering or equivalent experience (preferred).
  • 3–5 years of experience in industrial control systems or panel design.
  • Proficiency in SolidWorks Electrical or equivalent 2D CAD software.
  • Strong knowledge of electrical troubleshooting and control wiring.
  • Familiarity with HVAC systems, including controls, sensors, and power distribution.
  • Familiarity with UL 508A, UL 61010, NEC, NFPA 79, and IEC standards.
  • Experience with BOM management, ECO processing, and documentation control.
  • Understanding of wire harness design and layout practices.
  • Excellent attention to detail and strong communication skills.
  • Positive, proactive attitude with the ability to work both independently and collaboratively.

Why Join Us

  • Collaborative, small-company culture where your ideas and initiative make an impact.
  • Exposure to a wide range of technologies and customers including Tesla, Rivian, Google, and Meta.
  • Competitive salary and benefits package.
  • Tuition reimbursement and professional development opportunities.
  • Dog-friendly, team-oriented work environment.

About Associated Environmental Systems

Associated Environmental Systems (AES) designs and manufactures industry-leading environmental test chambers used across aerospace, electronics, and automotive industries, with deep involvement in battery testing and global electrification initiatives. Our growth is fueled by innovation, quality, and a strong team-driven culture.

APPLY ON LINKEDIN

We are seeking a technology-driven, hands-on Supply Chain Manager who excels at both leading a team and personally executing critical purchasing activities. This role is ideal for someone who enjoys operating at the strategic level while also rolling up their sleeves—negotiating with suppliers, managing key components, enforcing MRP discipline, and driving material flow to support fast-paced manufacturing operations. You will oversee Purchasing, Inventory, and Logistics while also functioning as the primary buyer for critical, technical, or long-lead materials. We serve aerospace, electronics, automotive, and the rapidly expanding global battery industry, working with companies such as Tesla, Rivian, Lucid, Meta, Google, and Harley-Davidson.

 

Key Responsibilities

 

Hands-On Purchasing (Core Portion of the Role)

  • Execute daily purchasing for key components, technical materials, and long-lead items.
  • Manage supplier relationships, RFQs, negotiations, expediting, resourcing, and performance oversight.
  • Read and interpret engineering drawings, BOMs, specifications, and ECOs to ensure accurate procurement.
  • Maintain all purchasing data—pricing, lead times, confirmations—within the MRP/ERP system with high accuracy.
  • Resolve supply shortages, delivery issues, engineering changes, and material disruptions quickly and effectively.

 

Leadership & Supply Chain Management

  • Lead and develop a lean, high-performing Supply Chain Team including Purchasing, Inventory, and Logistics.
  • Collaborate with engineering, production, and planning to ensure material availability aligns with build schedules.
  • Partner closely with the Production Planner to optimize MRP integration and execution.
  • Establish and monitor KPIs for purchasing, inventory turns, supplier performance, and on-time delivery.
  • Analyze inventory health and recommend strategies to reduce working capital and improve cycle times.
  • Conduct timely and constructive performance evaluations.

 

Technology, AI, and Process Improvement

  • Use AI-powered forecasting, analytics, and supplier performance tools to enhance planning and risk management.
  • Identify bottlenecks, propose continuous improvement initiatives, and streamline procurement workflows.
  • Utilize data-driven insights to improve supplier scoring, accuracy, and long-term sourcing strategies.

 

Education & Experience

  • APICS, CPIM, and/or CSCP certification strongly preferred.
  • 6–8 years of supply chain or purchasing experience, including at least 4 years in a managerial or supervisory role.
  • Prior experience in manufacturing purchasing required.
  • Background in electronics, HVAC, automotive, or related technical industries is highly preferred.
  • Experience using AI, automation tools, analytics platforms, or other advanced supply chain technologies is a strong plus.

 

Skills & Abilities

  • Proven success in vendor negotiation, relationship management, and supplier performance improvement.
  • Ability to operate confidently as both a strategic leader and a hands-on buyer.
  • Strong proficiency with MRP/ERP systems and purchasing workflows.
  • Excellent communication, organization, and attention to detail.
  • Strong analytical skills with an innovative, process-driven mindset.
  • Comfortable working in a dynamic environment where priorities shift and urgency matters.

 

What We Offer

  • A collaborative environment with a senior leadership team that values innovation and continuous improvement.
  • Competitive salary and benefits.
  • Tuition reimbursement.
  • A casual, dog-friendly workplace with a fun and supportive company culture.

Associated Environmental Systems is proud to be an Equal Opportunity Employer. We celebrate diversity and are committed to fostering an inclusive environment for all.

Applicants must have permanent authorization to work in the U.S. without sponsorship now or in the future.

 

APPLY ON LINKEDIN

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.