Sergeant Major Fernandez enlisted in the Marine Corps on March 18, 2001 and completed recruit training at MCRD Parris Island, South Carolina where he graduated as Honor man and was meritoriously promoted to the rank of Lance Corporal. After completion of recruit training he attended The School of Infantry East at Camp Geiger, where he was assigned the 0351 Infantry Assaultman MOS.
In August 2001, Lance Corporal Fernandez reported to Weapons Company, 2nd Battalion, 4th Marines, Camp Pendleton, California. During this tour, he fulfilled duties as Gunner, A-Gunner, Team Leader, and Section Leader while deploying multiple times. He completed a UDP to Okinawa, deployed with the 31st MEU in support of operations across PACOM and deployed in support of Operation Iraqi Freedom Two. During that assignment from August 2001 to November 2004, he was promoted to the rank of Corporal.
In November 2004, Corporal Fernandez executed orders to Edson Range, Camp Pendleton, California for duty as Range Coach. He was assigned to Range Company, Charlie Range where he served as Range Coach, Section Leader/Block Noncommissioned Officer, Line Staff Noncommissioned Officer, and Pitt Noncommissioned Officer. He was then transferred to the Marksmanship Training Unit where he would serve as Primary Marksmanship Instructor for Recruits and Marines on the Rifle and Pistol Ranges. In April 2005, he was promoted to the rank of Sergeant.
In October 2006, Sergeant Fernandez executed orders to 3d Battalion, 3rd Marine Regiment where he was with Weapons Company, Scout Sniper Platoon. In February 2007, he was assigned to Kilo Company where he served as the Assault Section Leader and the Assistant Convoy Commander for the Commanding officer’s Personal Security Detail. In November 2007, Sergeant Fernandez was combat meritoriously promoted to the rank of Staff Sergeant. Shortly thereafter, he was assigned to India Company where he served as Platoon Sergeant, Platoon Commander, and Company First Sergeant for the remain behind element. During this assignment he deployed twice to Iraq in support of Operation Iraqi Freedom.
In February 2012, Gunnery Sergeant Fernandez executed orders to 1st Marine Regiment where he was then sent to 2d Marine Special Operations battalion where he served as Current Operations and Training Chief and deployed in support of Operation Enduring Freedom under Special Operation Task Force West. During this assignment, he also served as liaison to Task Force 16 partnered forces from the United Arab Emirates.
In August 2013, Gunnery Sergeant Fernandez was re-assigned to 1st Marine Regiment where he served as Headquarters Company First Sergeant and Gunnery Sergeant. In October 2013, Gunnery Sergeant Fernandez was temporarily assigned to 1st Battalion, 1st Marines where he served as Delta Company First Sergeant and deployed to Yemen as part of the Security Force Company. In June 2014, Gunnery Sergeant Fernandez was temporarily assigned to Marine Corps Training Mission United Arab Emirates where he served as Foreign Training Advisor to the United Arab Emirates Presidential Guard Army.
In July 2015, First Sergeant Fernandez executed orders to 2d Marine Raider Battalion where he served as India Company First Sergeant. In April 2016, First Sergeant Fernandez was assigned to Marine Raider Regiment where he served as Headquarters Company First Sergeant. In October 2017, First Sergeant Fernandez executed orders to 2d Battalion, 6th Marines where he served as Golf and Weapons Company First Sergeant. During this assignment he deployed with the 26th MEU in support of operations across AFRICOM, CENTCOM, and EUCOM. He also deployed as part of the Task Force Southwest Security Force Company in support of the Resolute Support Mission.
In June 2020, First Sergeant Fernandez executed orders to Marine Corps Combat Service Support Schools where he served as Headquarters and Service Company First Sergeant. In November 2021, Sergeant Major Fernandez executed orders to Marine Unmanned Aerial Vehicle Squadron 2 where he currently serves as Squadron Sergeant Major.
Sergeant Major Fernandez’s personal awards include the Purple Heart with 1 gold star, the Navy and Marine Corps Commendation Medal with 2 gold stars, the Navy and Marine Corps Achievement Medal with 3 gold stars and a combat distinguishing device, and the Combat Action Ribbon.