Leif Hums

Professional Systems Engineering, LLC.

Professional Systems Engineering, LLC (PSE) specializes in technology consulting, design, and engineering, services for advanced building systems including Security, Fire Protection, Life Safety, Communications, Multi-Media, and Specialty Lighting. PSE is a leading expert in the integration of sophisticated systems and technologies into highly specialized building envelopes. Our primary focus is systems for corrections, justice, nuclear power, universities, high-rise office buildings, and Fortune 500 facilities. PSE has worked in a range of settings from urban to remote locations, single facility to large multi-site building campuses, and building types from historical structures to state-of-the-art new construction.