Take Charge of Your Future
Join a team that gives you the support, resources, and autonomy to succeed.
Careers
For Problem Solvers, Creative Engineers, and Passionate People
GBA has a long history of helping green engineers and natural problem solvers build satisfying careers. We do that by taking the time to understand your goals and putting a team around you to propel them. If that sounds like the right environment for you, we’d love for you to grow with us.
“GBA from top to bottom promotes an inclusive work environment where individual input is highly valued and long-lasting relationships are formed.”
Eli Zietlow, Mechanical Engineer
Internship Program
Gain Hands-On Engineering Experience to Start Your Career with GBA
GBA offers engineering students an opportunity for hands-on experience with a wide array of projects from building energy studies to MEP (mechanical, electrical, and plumbing) design to commissioning services.
Interns will be exposed to the full range of services, career paths, and project types within GBA’s portfolio and sometimes beyond.
Join us to embark on a rewarding journey of exploration and growth in the field of engineering. We are currently accepting applications for Summer 2025 internships in our Wisconsin offices.
Our Difference
Protecting The Environment
One building at a time.
Founded on a simple premise — do great work while conserving the environments we work and live in — GBA has had a 50-year stretch of award-winning projects that help building owners operate at their best with sustainable systems.
I’m challenged to learn and grow with each new project I work on.
“GBA provides a mature, yet playful, environment of professionals who want to help build each other up and provide the best service possible to every client we work with.”
Benjamin Mahrer, Electrical Engineer
Work/Life Balance
Sustainable Projects, Sustainable Lives
We know that work is not your whole life.
GBA is committed to progressive management policies that help our staff achieve balance. From competitive compensation and benefits packages to perks, social events, and volunteer opportunities, we support our team in living healthy, vibrant lives — on and off the job.
Markets
Where Do You Want To Leave Your Mark?
We serve a variety of markets, and so can you.
innovating since 1973
Outstanding Service. Energy Efficiency. Creative Problem-Solving.
With foresight regarding the pressing need for energy conservation, our founder Dave Grumman started GBA with an unwavering dedication to helping building owners protect the environment while cutting building operating costs.
Decades later, that one-person firm has expanded to more than 100 energy efficiency experts and thousands of happy clients collaborating in projects that help preserve the planet.
One Team. Endless Capabilities.
We’re a family of passionate, diverse, and eco-conscious engineers who put the planet and people at the center of everything we do.
News
We’re Evolving. See How GBA is Pushing Sustainable Engineering Forward.
Explore the latest news, projects, and events at Grumman|Butkus Associates.
GBA’s 2024 Sustainability Report Released
Grumman|Butkus Associates continues documenting its efforts to “walk the walk” of sustainability with the release of its annual Sustainability Report. In 2013, the firm released its first annual corporate sustainability report. We recently completed the 12th edition,...
Participate in GBA’s Hospital Survey to Receive Free Benchmarking Data
GBA is soliciting data for the next edition of its annual healthcare facility benchmarking survey, including information from calendar years 2023 and 2024. Since its inception in 1995, GBA's Hospital Energy and Water Benchmarking Survey has helped hospitals benchmark...
GBA Mourns the Passing of Founder David Grumman
David Leroy Grumman Sr., founder of nationally recognized engineering firm Grumman|Butkus Associates, died peacefully on Jan. 3, 2025, at his home in Evanston, IL. He was 90. Grumman’s lifetime of work in the consulting engineering field, and his tireless advocacy for...