LEONARDO J. CASTILLO
Calumet City,USA
Summary
A dedicated and disciplined criminal justice professional experienced in maintaining safety and security across high-risk environments. Skilled in enforcing policies, conducting inspections, and managing crisis situations with professionalism and composure. Passionate about public service, law enforcement, and community protection, combining bilingual communication skills and martial-arts discipline to handle challenges with focus and integrity.
Overview
6
6
years of professional experience
Work History
Security Officer
Falcon Protection Services
Chicago, Indiana
10.2025 - Current
- Conduct regular perimeter and interior patrols to ensure property safety and prevent criminal activity.
- Monitor building entry/exit points, verifying authorized access and deterring theft or vandalism.
- Provide detailed incident reports and maintain communication with supervisors and property management.
- Enforce parking and access regulations for commercial and industrial clients, including semi-truck lots.
- Respond calmly to disturbances and uphold professional standards to promote a secure environment.
Custody Officer
Lake County Community Corrections Department
Crown Point, IN
12.2024 - 10.2025
- Supervised residents in a work-release community corrections program, supporting rehabilitation and reintegration.
- Conducted strip searches, pat-downs, drug testing, breathalyzer tests, and contraband scans to maintain safety.
- Monitored inmate activity using surveillance cameras inside and outside the building.
- Controlled secure access to the facility by verifying identities through camera confirmation.
- Performed routine cell and dorm inspections to identify conflicts or safety concerns.
- Escorted individuals to case manager appointments and documented progress and compliance.
- Completed daily logs, incident reports, and rule violation documentation.
- Certified in CPR, AED operation, and Narcan administration.
Loader / Package Handler
UPS
Hodgkins, IL
08.2019 - 03.2025
- Loaded and unloaded delivery trucks efficiently to meet time-sensitive targets.
- Ensured safe handling and delivery of packages per company protocols.
- Collaborated with supervisors to enhance route efficiency and safety.
- Maintained strong attendance and performance record in a fast-paced environment.
Education
No Degree - Italian Language Studies
Oakton Community College
Des Plaines, ILNo Degree - Russian Language Studies
Oakton College & BeFluent
1600 E Golf Rd Des Plaines, IL 60016 United StatesBachelor of Arts - Criminal Justice
Governors State University
1 University Pkwy University Park, IL 60484 United05.2023
Associate of Arts - Criminal Justice
South Suburban College of Cook County
South Holland, IL12.2020
Skills
- Security Procedures & Report Writing
- Communication & Interpersonal Skills
- Organizational Skills & Attention to Detail
- Conflict Resolution & Crisis Management
- Bilingual (Spanish & Italian; learning Russian)
OTHER SKILLS
- MMA Fighter — trained in mixed martial arts ( jujutsu, kickboxing Judo and wrestling,) emphasizing discipline and defensive tactics.
- Community Focused — demonstrates integrity, professionalism, and commitment to public safety.
Timeline
Security Officer
Falcon Protection Services
10.2025 - Current
Custody Officer
Lake County Community Corrections Department
12.2024 - 10.2025
Loader / Package Handler
UPS
08.2019 - 03.2025
No Degree - Italian Language Studies
Oakton Community College
No Degree - Russian Language Studies
Oakton College & BeFluent
Bachelor of Arts - Criminal Justice
Governors State University
Associate of Arts - Criminal Justice
South Suburban College of Cook County