Lieutenant Colonel Raquel Vilchez belongs to the Field Artillery Corps. She started her career in the military service when she joined the Philippine Military Academy in 1996. Immediately after graduating from the Academy, she was commissioned in the Regular Force, Philippine Army, Armed Forces of the Philippines on 26 March 2000.  Prior to her deployment with the 5th Infantry Division, where she actively participated in the campaign against communist insurgency, she took her Field Artillery Basic Course at Combat Arms School, Training and Doctrine Command Philippine Army. After six years of deployment, she was sent to Ft Sill, USA to take the Field Artillery Advance Course. In 2011 she completed the Capability and Technology Management Course.

Throughout her career, Lieutenant Colonel Vilchez occupied various postings such Platoon Leader, Battery Commander, Battalion Staff officer (Intelligence, Logistics, Personnel, Adjutant and Finance), and Secretary to the General Staff in 5th Infantry Division.  Upon completing eight years of combat postings, she was assigned to the Training and Doctrine Command, Philippine Army to head the Curriculum Development Branch, Development Training of Center where she introduced new training and evaluation methodologies. In 2009, she was reassigned at AFP General Headquarters to head the Training and Evaluation Branch of the Office of the Deputy Chief of Staff for Education and Training, J8. As the branch chief, she was involved with the planning, programming, and evaluating of all AFP education and training programs and activities including bilateral and multilateral training activities with allied and neighbouring armed forces.

After completing CTMC in 2011, she was assigned to the Office of the Deputy Chief of Staff for Plans, J5 to head the Capability Development and Strategic Basing Branches. During her stint in J5, she helped in facilitating in passage of the AFP Modernisation Law in 2012, its implementation and the subsequent development and approval of the AFP Modernisation Program 2030.  It resulted to the delivery of lead-in fighter trainer aircraft, search and rescue helicopters, upgrade of M113, acquisition of individual assault rifle, combat radios, and frigates. The rest of the projects in the program are still in the pipeline and are in various stages of the Philippine capability acquisition process.

Lieutenant Colonel Vilchez is married to an infantry officer Lieutenant Colonel Edgardo L Vilchez Jr and they are blessed with two children, Aira and Kate.