Jacobs Engineering Group has entered into a definitive agreement to acquire the outstanding shares of CHM2 Hill Companies, an Englewood, Colo.-based consulting and program management firm that is a leader in infrastructure, environmental, and government sectors.

Dallas-based Jacobs will finance this deal, valued at $3.27 billion (including assumption of $416 million of CH2M debt), with 60% cash and 40% stock. The firm has secured financing, including a $1.2 billion three-year term loan.