Fall 2026 Building Automation Specialist Internship

Cox Engineering is a family-owned tight-knit company with a primary focus on fostering a culture that builds the best products hires the best people and provides the best service to our customers. While we work in the world of HVAC solutions Cox Engineering is first and foremost a people business. Our enduring mission is to attract and hire the best talent in the industry and cultivate this talent into responsive teams that deliver for customers. The growth of our people powers the growth of our company and helps create lasting relationships built on trust and performance.

We are looking for motivated and technically curious students to join our Cox Energy and Sustainability (CES) Team as Building Automation Specialist Interns. Under the direction of experienced Building Automation Technicians and Engineers interns will gain hands-on exposure to the installation commissioning integration and optimization of Building Automation Systems (BAS) within commercial and industrial facilities. Throughout the internship students will develop a practical understanding of HVAC controls energy-efficient building operations field commissioning practices and troubleshooting techniques. Interns will work alongside project teams in both office and field environments while gaining experience with industry-standard controls communication protocols and automation technologies. By the end of the internship students will have strengthened their technical knowledge professional communication skills and understanding of how intelligent building systems support occupant comfort operational efficiency and sustainability goals. This is an in person opportunity in our Randolph Office.

Assist with the installation startup and commissioning of building automation and HVAC control systems
Support point-to-point checkout device verification and functional testing activities
Learn to read and interpret control drawings wiring diagrams engineering specifications and sequences of operation
Assist in troubleshooting sensors actuators control panels and communication networks including BACnet and Modbus
Support technicians and engineers with field documentation system reporting and project records
Participate in system integration and verification activities on new construction and retrofit projects
Observe and assist with customer training and system turnover processes
Work closely with project managers field technicians engineers and customers to support successful project execution
Follow all company safety standards site requirements and OSHA guidelines
Gain exposure to building performance energy efficiency and sustainable building operations

Currently pursuing a degree in Mechanical Engineering Electrical Engineering HVAC Engineering Technology Building Automation or a related technical field
Interest in HVAC systems controls building automation and energy management
Ability to read technical drawings and schematics or willingness to learn
Strong analytical problem-solving and troubleshooting skills
Excellent communication and interpersonal skills
Strong attention to detail and commitment to quality work
Ability to work independently and as part of a team in a fast-paced environment
Proficiency with Microsoft Office applications
Valid drivers license and ability to travel to project sites preferred
Willingness to work in field environments including mechanical rooms rooftops and construction sites under supervision