Summary
Overview
Work History
Education
Skills
Languages
Certification
Timeline
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Brian Casillas

Las Vegas,NV

Summary

Security and operations professional with over a decade of experience in protective services, law enforcement,

and high tempo operational environments. Proven leader with a Top Secret/SCI clearance (T-5 SSBI) and

extensive background in access control, incident response, investigations, and team supervision. Recognized for

sound judgment, effective verbal de-escalation, and the ability to perform under pressure while supporting

organizational goals within high performance organizations.

Overview

10
10
years of professional experience
1
1
Certification

Work History

Security Officer Probationary

Amentum
Las Vegas
11.2023 - Current
  • Executed protective security operations in compliance with DoD 5205.07, ICD 705, and site specificSOPs, ensuring the protection of personnel, facilities, and sensitive assets.
  • • Led and supervised a security team of up to 24 personnel, coordinating daily assignments, access controloperations, and use of specialized physical security systems.
  • • Conducted armed security, patrols, access verification, and inspections, preventing unauthorized entry,theft, damage, and safety incidents.
  • • Prepared incident reports and customer deliverables, investigated disturbances, maintained order duringemergencies, and conducted OJT and remedial training for guard force personnel.
  • Monitored security systems and conducted regular patrols to ensure safety of personnel and property.
  • Responded promptly to incidents, providing assistance and coordinating with emergency services when necessary.
  • Enforced access control measures, verifying identification and authorizing entry for visitors and staff.
  • Maintained detailed logs of daily activities, incidents, and observations to support security operations.
  • Trained new officers on procedures, ensuring adherence to safety standards and protocols.
  • Collaborated with team members to develop effective security protocols and response strategies.
  • Conducted inspections of facilities to identify vulnerabilities and recommend improvements for security measures.
  • Assisted in incident investigations by gathering evidence and compiling reports for further analysis.
  • Acted quickly during emergency situations to reduce opportunity for damage and injury.
  • Patrolled and monitored premises in company vehicle.

Military Police Officer

United States Air Force, USAF
Las Vegas, NV
09.2016 - 11.2023

Knowledgeable Security Forces Leader, Patrolman, and Airfield Security Specialist with 7 years of experience. Have mastery skills in AFJIS, DBIDS, NCIC and supervising airmen; well versed mastery of response to high profile cases and security incidents as a Patrolman and an Airfield Security Specialist. Demonstrated skills set through the supervision and training of new Airmen along with new hires maintaining 100% pass rate for all duty position evaluations and an increase of 10 members for critical duty roles in the past year.

  • Enforced security protocols to safeguard personnel and assets in diverse environments.
  • Conducted criminal investigations, gathering evidence and compiling reports for legal proceedings.
  • Collaborated with local law enforcement agencies to enhance community relations and security measures.

Education

No Degree - Criminal Justice

College of Southern Nevada
Las Vegas, NV

No Degree - Automotive Engineering

College of Southern Nevada
Las Vegas, NV

High School Diploma -

Western High School
Las Vegas, NV
07.2020

Skills

Protective Security Operation

Incident Response & Emergency Management

Access Control & Credential Verification

Leadership, Supervision & Team Coordination

Verbal De-Escalation & Conflict Management

Investigations & Incident Reporting

Training, OJT & SOP Development

Security Clearance Management (TS/SCI – T-5

SSBI)

Languages

English
Native or Bilingual
Spanish
Native or Bilingual

Certification

Top Secret Security Clearance | 22 Apr 2024 - Current

Base Defense Operations Center (BDOC) Controller | 2 Sept 2025 - Current

Secret Security Clearance | 20 Sep 2016 – 20 Sep 2026 | Department of Air Force

High Threat CQB Instructor | 5 December 2021 | 88 Tactical

Evasion and Conduct After Capture SERE Course | April 2020

Nevada Highway Patrol Standard Field Sobriety Training |

Tactical Automated Security System (TASS) Instructor | February 2022

ARC Adult and Pediatric First Aid/CPR /AED | Current | Certificate ID: 013S71U

Intoxilyzer 8000 operator | 10 May 2022 - 10 May 2025 |

National Criminal Information Center (NCIC)

Timeline

Security Officer Probationary

Amentum
11.2023 - Current

Military Police Officer

United States Air Force, USAF
09.2016 - 11.2023

No Degree - Criminal Justice

College of Southern Nevada

No Degree - Automotive Engineering

College of Southern Nevada

High School Diploma -

Western High School