A great company starts with great people.

Oller Engineering is one of Texas’ most respected design, engineering, and management and consulting firms. We bring an old-fashioned “boots-on-the-ground” approach to solve the problem. We take pride in our exceptional staff, and consider our team critical to the company’s success. Providing professionals with the tools and training they need to achieve excellence in their career is key to employee engagement and productivity. Our goal is to foster a work environment that attracts top talent, inspires innovation, and renders excellence in service to our clients.


Current Openings in Our Waco Office:

Innovation Engineer | Oller Engineering, Inc, OEI is looking for an Innovation Engineer in the water and wastewater field. This person will have municipal engineering experience in design, planning, water modeling, system optimization and innovative treatment systems. The successful candidate will be part of a Team that focuses on innovative and advanced treatment systems. Our Team of engineers and designers are also water and wastewater licensed operators. Please contact Billy Kelso “Coach” our HR coordinator at This position will fill fast so if you are looking for an opportunity to use your innovative talents and be a thought leader this is for you, contact OEI quickly!