Sergeant Major Lewis is a native of Westerly, Rhode Island. He enlisted in the Marine Corps on 23 June 2004. He attended recruit training at Marine Corps Recruit Depot, Parris Island, South Carolina. Upon graduation, he attended MOS school at Courthouse Bay, North Carolina, for Water Support Technician (1171) and was promoted to Private First Class and was also meritoriously promoted to Lance Corporal.

In January 2005, Sergeant Major Lewis received orders to Marine Wing Support Squadron 172 Okinawa, Japan, where he served as the Hazmat NCO. In January 2006, he served within the interior guard for Operation Foal Eagle in Pohang, Korea. In May 2006, Sergeant Major Lewis received orders to Marine Security Guard (MSG) School class 4-06, MSG Battalion, Quantico, Virginia. Upon graduation he was assigned to Region 4, MSG Detachment Santiago, Chile where he served as the Training NCO. In October 2006, he was promoted to Corporal. In July 2007, Sergeant Major Lewis volunteered for Region 2, MSG Detachment Baghdad, Iraq where he served as the React NCO. In May 2008, he was meritoriously promoted to Sergeant. In July 2008, Sergeant Major Lewis was assigned to Region 9, MSG Detachment Tegucigalpa, Honduras, where he served as the React NCO and Mess NCO.

In July 2009, Sergeant Major Lewis made a lateral move to Fire Support Man (0861) and received orders to 1st Marine Division, 3rd Battalion, 11th Marines, Headquarters and Service Battery as on the job training. In February 2010, Sergeant Major Lewis attended MOS school at Fort Sill, Oklahoma for Marine Artillery Scout Observer Course and the follow-on school in Coronado, California for Naval Gunfire School.

In July 2012, Sergeant Major Lewis was promoted to Staff Sergeant and he received orders to 1st Marine Division, 2nd Battalion, 5th Marines, Weapons Company as the Battalion Fires Chief. In January 2011, Sergeant Major Lewis deployed on the 31st Marine Expeditionary Unit, Okinawa, Japan where he served as the Battalion Landing Team 2nd Battalion, 5th Marines Battalion Fires Chief. He deployed to Thailand for Operation Cobra Gold and conducted humanitarian assistance for Operation Tomodochi. In August 2011, Sergeant Major Lewis received orders to 1st Battalion, 7th Marines where he served as the Battalion Fires Chief. In February 2012, he deployed to Sangin, Afghanistan in support of Operation Enduring Freedom 12.1.

In July 2013, Sergeant Major Lewis received orders to Drill Instructor School MCRD, San Diego, California. Upon graduation he was assigned to 2nd Battalion, Company E, where he served 6 cycles up to Chief Drill Instructor. In June 2014 Sergeant Major Lewis was promoted to Gunnery Sergeant. In September 2015, Sergeant Major Lewis was hand selected for Drill Instructor School, MCRD San Diego, where he where he served 4 cycles up to Chief Instructor.

In October 2016, Sergeant Major Lewis received orders to 1st Air Naval Gunfire Liaison Company and deployed as a quick fuse combat replacement for Task Force Al Asad 17.1 as the Fires Chief. In February 2018, Sergeant Major Lewis was promoted (frocked 8999) to First Sergeant and received orders to 1st Battalion, 4th Marines where he served as Weapons Company and Headquarters and Service Company First Sergeant. In November 2018, he deployed on the 31st Marine Expeditionary Unit, Okinawa, Japan where he served as the Battalion Landing Team 1st Battalion, 4th Marines Battalion Weapons Company First Sergeant. In February 2020, Sergeant Major Lewis received orders to Combat Logistics Battalion 8 where he served as Motor Transport Company and Headquarters and Service Company First Sergeant.

In February 2022, Sergeant Major Lewis was promoted (frocked) to his current rank and received orders to 6th Engineer Support Battalion, 4th MLG and serves as the Inspector- Instructor Sergeant Major.

Sergeant Major Lewis' personal decorations include the Navy and Marine Corps Commendation Medal with gold star in lieu of fourth award and the Navy and Marine Corps Achievement Medal with gold star in lieu of second award.