Posting Locations: Normal- IL, Peoria- IL, Springfield- IL, Lisle- IL Dallas-TX, St. Louis- MO, Colorado Springs-CO, Denver- CO, Phoenix- AZ What You’ll Do: Lead plumbing system design for commercial, institutional, healthcare, and other building projects from concept through construction administration. For ten consecutive years, we’ve been certified as a Great Place to Work®, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us.