The Construction Engineer oversees installation, testing, and commissioning of safety-critical train control and signaling systems, including wayside signals, interlockings, train detection, and signal houses, and reviews the work of the Contractor in accordance with the applicable Design Criteria Manual, Construction Management Manual, and all governing specifications. Overview: Ramos CS, now part of Colliers Engineering & Design, is an engineering, program, and construction management firm providing quality transit, transportation, and infrastructure consulting services on public projects across the Western United States.