Building Performance Engineering Intern

Building Performance Engineering Intern | St. Louis, MO

Join IMEG as a Building Performance Engineering Intern in St. Louis, MO, and shape a more sustainable future through real-world project experience. Over 10–12 weeks, you’ll contribute to building optimization, energy and carbon planning, and decarbonization strategies for large building portfolios. You’ll support the integration of energy and utility analytics, commissioning (Cx/RCx/MBCx), and BAS/metering optimization—aligning technical solutions with broader organizational goals—while gaining the skills, knowledge, and professional network to launch your career in building performance and sustainability.

Principal Responsibilities

• Support performance optimization strategies for new and existing facilities

• Compile and analyze building data on energy use and carbon emissions

• Assist with planning and tracking energy and carbon performance

• Review building drawings, BAS data, and facility documentation

• Conduct site surveys, data collection, and technical calculations

• Prepare reports and utility incentive applications

• Attend internal and external meetings

• Identify and analyze energy efficiency measures

• Draft pre-functional checklists and conduct field testing

• Prioritize buildings and equipment for monitoring

• Manage issues logs and support corrective action planning

Required Qualifications and Skills

• Completed at least 2 years towards a Bachelor of Science (BS) Degree in Engineering, or equivalent required

• Prior internship experience in the building design engineering industry preferred

• Strong verbal and written communication skills including, but not limited to, the ability to listen effectively, and solicit input from others

• Strong organizational skills including, but not limited to, the ability to handle multiple demands and assignments, the ability to prioritize tasks effectively and efficiently, and the ability to manage resource procurement and utilization

• Strong interest in the application and research of advanced technology

• Ability to fit into our culture of growth, innovation, accountability, and adaptability

• Knowledge and implementation experience of national and local energy conservation codes and local laws preferred

• Knowledge of local, state and federal tax rebate and incentive programs

• Knowledge of energy utilities, and operational and embodied carbon

• Proficient in Microsoft and MS Office Suite including but not limited to Word, Excel, and Outlook

This position is not eligible for sponsorship.

Why Join Us:
At IMEG, people are our priority — with a solid focus on career growth, work-life balance, and making a meaningful impact. As a 100% employee-owned firm, we combine the resources of a national design leader with the supportive culture of a local office. You’ll work alongside colleagues from diverse disciplines, contribute to innovative and sustainable projects, and help shape the communities we serve. Join a team where ideas are welcomed, professional development is supported, and every contribution makes a difference.

Building Performance Team Highlights:

• Work on projects that improve energy efficiency, reduce carbon emissions, and enhance comfort in new and existing buildings

• Use advanced modeling, analytics, and commissioning tools to identify and solve building performance challenges

• Collaborate with sustainability and engineering teams to implement strategies like optimized controls, envelope improvements, and right-sized mechanical systems

• Contribute to high-performance and net-zero building projects recognized for innovation in sustainability

Locations available:
St. Louis, MO