As a custodial worker at New Mexico State University, Alfredo Cadena has met university presidents, athletes, accomplished faculty and a U.S. president. But looking back on his 45-year career at NMSU, Cadena said his favorite aspect of his job was getting to know the campus buildings and leaving them as spotless as possible. Alfredo Cadena, lead custodial worker for New Mexico State Universitys Facilities and Services, retired Feb. 1 after 45 years of service to the university. (NMSU photo by Josh Bachman) As a custodial worker at New Mexico State University for 45 years, Alfredo Cadena (center) has met and become friends with several university administrators, including NMSU Chancellor Dan Arvizu (right) and Arvizu s chief of staff Lenny Martinez. (NMSU photo)