Sergeant Major Molina was born in Chihuahua, Mexico and raised in El Paso, Texas. He enlisted in the Marine Corps in December 2002 and attended recruit training with Echo Company, 2nd Recruit Training Battalion, Marine Corps Recruit Depot San Diego, California. In March 2003 he reported to the School of Infantry, Camp Pendleton California for Marine Combat Training. Upon Graduation, Private First Class Molina reported to NAS Pensacola and NAS Lemoore for MOS School.
In August 2003, upon graduation PFC Molina received the MOS of 6227 F404 Engine Mechanic. His first assignment was with Marine Aviation Logistics Squadron 11, 3rd Marine Aircraft Wing, Marine Corps Air Station Miramar, California. He was meritoriously promoted to Lance Corporal in November 2003. There he served as F404 Engine Mechanic, Work Center Supervisor, Test Cell Operator, and Collateral Duty Inspector. In April 2005 Corporal Molina deployed with the VMFA-121 in a UDP to MCAS Iwakuni, Japan. While on deployment, he was promoted to the rank of Sergeant on June 2005. After returning from the UDP Sergeant Molina served as Work Center Supervisor, Test Cell Operator, and Collateral Duty Inspector.
In December 2006 Sergeant Molina reenlisted and requested his reenlistment incentive for orders to become a Marine Corps Drill Instructor. Sergeant Molina and his wife both attended and graduated Drill Instructor School Class 4-07. After completing DI School in September, 2007 he was assigned to First Battalion, Delta Company in Parris Island, South Carolina. While on the Drill field he served as a Drill Instructor, Senior Drill Instructor, Marine Corps Instructor Trainer of Water Survival, and Operations Chief. On January 2, 2010 Sergeant Molina was meritoriously promoted to Staff Sergeant and was recognized as the First Battalion Senior Drill Instructor of the third Quarter for 2010.
After completing Drill Instructor duty in March 2011 Staff Sergeant Molina was assigned to MALS-11 MCAS Miramar, California. While in MALS-11 Staff Sergeant Molina served as a Work Center Supervisor and Production Controller. While at MALS-11 SSgt Molina deployed in support of MALS-16 (FWD) 12.1 in Bastion and Kandahar, Afghanistan as the Assistant Production Control Chief. Upon return to MALS-11, Staff Sergeant Molina was assigned as the Security Chief, Anti-terrorism Officer, and Classified Material Consolidation Center for MALS-11.
On July 2014, Staff Sergeant Molina once again volunteered and reported to Drill Instructor duty, and was assigned to Second Battalion to serve as the Battalion Drill Master. After serving as a Battalion Drill Master and Regiment Drill Master, Staff Sergeant Molina reported to Drill Instructor School to serve as the DI School Drill Master.
After his completing his DI tour Gunnery Sergeant Molina was assigned to MALS-31 MCAS Beaufort, SC in August 2017. While in MALS-31 he served as the Production Control SNCOIC, MAG-31 Engine Manager, and MALS-31 TD Coordinator. On August 2019 GySgt Molina was assigned to MALS-11 to serve as the 400 Division Chief, and manage the entire Navy and Marine Corps F404 engine production capabilities. \
On June 2020, 1stSgt Molina was frocked and transferred to serve as Company 1stSgt for 2nd Battalion, 1st Marines Co F. During his tour with V21 1stSgt Molina was responsible for leading Company F through ACV field testing, ITX 21-1, and deployed to SPMAGTF 21-2. While deployed, 1stSgt Molina lead 200 Marines and Sailors to the Baghdad Embassy Compound and Hamid Karzai International Airport.
On January 2022, 1stSgt Molina received orders to the Assault Amphibian School to serve as T&I and H&S Company First Sergeant during the AAV and ACV transition. On February 16, Sergeant Major Molina was frocked and transferred to serve as Battalion Sergeant Major for 3rd Battalion, 1st Marines.
Sergeant Major Molina's personal decorations include the Navy Commendation Medal with Combat Conditions "C" and 2 gold stars in lieu of 3rd award, Navy Marine Corps Achievement Medal with 3 Gold Stars in lieu of 4th award, Drill Instructor Ribbon with one bronze star in lieu of second award, and Outstanding Volunteer Service Medal.