Omega Technical Services is hiring an HVAC Principal Designer in Greenville, SC. You will support operations in advancing critical mission objectives in a regulated environment. Required qualifications include 15 years of experience in drafting, knowledge of engineering codes, and CAD expertise. The position offers competitive pay, benefits, and career growth opportunities in a mission-focused culture. Candidates must be U.S. citizens and able to obtain a DOE Security Clearance.#J-18808-Ljbffr