HVAC Controls Engineering Intern - Summer 2026

Overview

Assist engineers developing, testing, and commissioning HVAC automation systems.

Key Responsibilities

• electrical schematics
• system commissioning
• performance monitoring
• software development
• equipment schedules
• tech research

Tasks

-Create flow diagrams, sequence of operations, bill of material, network layouts, and electrical schematics. -Conduct research on innovative technologies and strategies to enhance the functionality of systems. -Assist in loading and commissioning of all system and network-level controllers. -Monitor system performance, analyze data, and identify areas for improvement or optimization. -Coordinate and create necessary drawings and equipment schedules for submittals and installations. -Develop and test software programs necessary to operate the system per the intent of the project requirements. -Assist with validation of complete system functionality and troubleshoot problems to ensure proper operation.

Requirements

• bachelor's
• work authorization
• communication
• mechanical docs
• travel

What You Bring

-Currently pursuing a Bachelor's degree in Engineering or related technical field with a minimum cumulative GPA of 3.0. -Must possess US work authorization and not require sponsorship for an employment visa by Envelop Group at any time in the future. -Strong written and verbal communication skills. -Ability to read and understand mechanical design documents (duct layouts, piping schematics, riser diagrams). -Willingness to travel to customer job sites, which may involve outdoor work and environments such as mechanical or equipment rooms. Site visits may expose the employee to varying weather conditions, moving machinery, heights, and other environmental factors.

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Benefits

Envelop Group's internship program offers a combination of mentoring, learning activities, and field work designed to give broad exposure to the inner workings of HVAC and Building Automation. This paid internship is located in Indianapolis, IN with flexible start and end dates from May to August 2026. Interns must be available to work up to 40 hours per week, for at least 10 weeks. -Preference will be given to local candidates; no relocation or housing stipend is available this position.

About Envelop Group

-It has grown into a multi-region family of engineering consultancies driving building efficiency. -It specializes in designing, installing, and fine-tuning HVAC, security, fire suppression, and automation. -Its projects typically span commercial offices, healthcare centers, industrial plants, and infrastructure upgrades. -The firm modernizes old infrastructure with new technology, bringing legacy systems into the 21st century. -Its work combines field deployment of controls technology with hands-on tuning to optimize system performance. -Clients include contractors, facility owners, and consulting engineers seeking turnkey facility optimization.

Sector Specialisms

Visa Sponsorship

-no visa sponsorship; must have us work authorization now and in the future.

Security Clearance

-pre‑hire drug test and background check required.