A Native of Rockland County, New York, he entered the Navy in 1981 and attended Operations Specialist “A” School. During his first 8 years of service, he served in USS PATTERSON (FF-1061), USS BLANDY (DD 943), USS MCINERNEY (FFG 8), COMUSNAVEUR London, and USS WISCONSIN (BB 64) where he was selected to Chief Petty Officer and Participated in OPERATION DESERT SHIELD AND DESERT STORM. Upon the Decommissioning of WISCONSIN, he transferred to Fleet Combat Training Center, Atlantic where he served as Multi-Threat Team Training coordinator and Problem Control Supervisor and was selected for the Limited Duty Officer program and Commissioned as an Ensign on 1 November 1993.
His following tours were as Electronic Warfare Officer in USS CONSTELLATION (CV 64), FFG and DD Combat Systems Instructor at Fleet Combat Training Center, Pacific, CIC Officer in USS TARAWA (LHA 1), U.S. Naval Academy as Yard Patrol Craft Department Head and Harbormaster. He then was assigned to Commander, Undersea Surveillance as Plans and Exercises Officer, Operations Officer in USS WASP (LHD 1) and served as Joint Interface Control Officer for (JICO) for JOINT TASK FORCE LEBANON in support of OPERATION STRENGTHEN HOPE Director of Operations for the Integrated Undersea Surveillance System at Commander, Undersea Surveillance, and served as the Executive Officer, Naval Ocean Processing Facility, Dam Neck before assuming the role of Commanding Officer from May 2011 to May 2013. He is currently serving as the Chief Staff Officer (CSO) at Commander, Underses Surveillance.
Commander McGuinness and has earned and is authorized to wear the Meritorious Service Medal, Navy Commendation Medal, Navy and Marine Corps Achievement Medal, Combat Action Ribbon and other service awards.