Kim S. Keefer has joined Pape-Dawson Engineers Inc. as vice president of the water/wastewater infrastructure department, where she will manage the firm's water and wastewater services.

Weng On Tam has joined Stantec as senior principal and regional business leader for the firm's U.S. West transportation practice, focusing on growing Stantec's transportation services in Texas, Arizona and Colorado.

Scott Hartford has joined Stanley Consultants as a project principal in the firm's federal business unit based in Austin, Texas. Hartford recently retired from the U.S. Air Force, concluding his 28-year military career as director of facility engineering at the Air Force Civil Engineer Center in San Antonio.

Alan Greer has been named transportation practice leader at Freese and Nichols Inc. Based in Fort Worth, Greer is responsible for coordinating transportation-related services in the company's 17 offices.

Parsons Brinckerhoff announced several new hires and rehires. Patrick Anderson has been named Texas transit and rail manager at Parsons, where he will expand and manage the firm's transit and rail work statewide. Before joining Parsons, Anderson was the national director of transportation programs of an international engineering firm.

Kerri Collins has rejoined Parsons as a senior engineering manager in the firm's Austin, Texas, office. Collins previously worked for several firms in New York City, including Parsons, where she was a lead traffic and transportation engineer.

Scott Armstrong has joined the firm as a senior engineering manager in Parsons' Austin office. Before joining Parsons, Armstrong was vice president, transportation planning and design at an engineering firm in San Antonio.

Joseph F. Miller has rejoined Parsons as a senior systems supervising engineering manager in the firm's Dallas office. Miller had worked at Parsons from 1997 to 2004. Most recently, he was manager of systems integration and engineering for a Dallas engineering company.

Patrick L. McConnell has joined Cadence McShane Construction Co. as business development manager, food and beverage. McConnell previously held roles with Golden State Foods and PepsiCo Food Systems and as a third-party consultant at GoldCold Concepts.

LJA Engineering Inc. has promoted Gregg Haan to division manager, water and wastewater in the land development division. The company also announced that Janice Shafer has joined the firm as a project manager in its Houston land development division.