Sharisse Costello
Jacksonville,FL
Summary
Qualified Security Officer with experience maintaining safety for campus grounds and facilities. Talented at roving control and entrance control. Successfully remains calm in high-pressure situations and interactions with difficult individuals.
Seasoned Security Officer equipped with excellent communication skills consistently maintains detailed logs of important events. Skilled in problem-solving and conflict resolution with knowledge of law enforcement investigations. Trustworthy and committed to honest interactions with supervisors, employees and customers.
Seasoned security team member with advanced understanding of facility, grounds, personnel and asset security practices. Highly observant and diligent with high integrity, strong attention to detail and excellent problem-solving abilities. Trained in weapons, defensive tactics and conflict de-escalation techniques.
Overview
19
19
years of professional experience
1
1
Certification
Work History
Security Officer
American Guard Services
Jacksonville, US
04.2025 - 11.2025
- There multiple things I know how to do, securities the property making sure clients are parking in the right places, finding lost and founds, doing all reports, answering questions, helping with problems, working surveillance Camara, walking or driving the sites grounds etc..
- Responded promptly to incidents, emergencies, and alarms, taking appropriate action as necessary
- Patrolled assigned areas to ensure the safety and security of premises, personnel, and visitors
- Implemented access control measures by verifying identification credentials for individuals entering restricted areas
- Performed regular checks on fire extinguishers, emergency exits, and other safety equipment to ensure they were in proper working condition
- Maintained a professional and courteous demeanor while interacting with employees, visitors, and contractors
- Enforced company policies regarding trespassing, loitering, theft prevention, etc
Operations Assistant
Fanatics, Inc
Jacksonville, US
08.2020 - 04.2024
- Package up items for truck delivery, Counting items, inventory, shipping, Receiving, moving an Lifting items, put away, working on computers, training workers. etc
- Developed and maintained strong relationships with key clients, resulting in a XX% increase in repeat business
- Provided ongoing product training to clients, enabling them to maximize the value of their purchases
Assistant Manager
Big Lots
Jacksonville, US
02.2007 - 08.2020
- Sale assistant, stocking, cashier, assistant manager, unloading trucks, cleaning, paperwork, Counting money for safe plus register, training worker, inventory opening/ closing stores ..etc.
- Assisted in the management of daily operations, ensuring smooth and efficient workflow
- Implemented new scheduling system that optimized staff allocation and reduced labor costs by XX%
- Conducted regular inventory checks to maintain accurate stock levels and minimize loss due to shrinkage
- Assumed managerial responsibilities in the absence of the manager, overseeing all aspects of operations
- Managed cash handling procedures, including opening/closing registers, preparing deposits, and reconciling discrepancies
- Increased overall store profitability by analyzing product performance data & adjusting pricing/markdowns accordingly
Education
Some College (No Degree) - Nursing Practice
Florida State College
Jacksonville, Florida, FLSkills
- Report preparation
- Physical access control management
- Shipping & Receiving
- Inventory Control
- Basic life support
- Customer communication
- Assistant Manager Experience
- Communication skills
- Security alarm response
- Climbing
- Microsoft Outlook
- Customer service
- Access control systems
- Conflict management
- Driving
- Typing - Average typing speed (1-60 WPM)
- Walkie talkies
- Time management
- Warehouse experience - Warehouse experience (3-5 years)
- Patience
- Delivery driver experience
- Order picker
- Sales - Sales experience (16-20 years)
- Computer operation
- Security - Security experience (Less than 1 year)
- Team management - Team management (1-5 team members)
- Organizational skills
- Managing physical security teams - Largest physical security team managed (1-5 team members)
- Damage investigations
- Management
- Attention to detail
- Merchandising - Merchandising experience (3-5 years)
- Report writing
- Dispatching
- Retail sales - Retail sales experience (6-10 years)
- Basic math
- Surveillance
- Phone call management
- Safe work practices
- Patrolling
- Managing logistics operations teams - Largest logistics operations team managed (1-5 team members)
- Managing freight management projects - Largest number of freight management projects managed yearly (1-2 projects)
- Physical security incident reporting
- Safety regulations
- Team lead experience
- Two-way radio communication
- Alarm systems
- Event Planning
- Phone communication
- Surveillance operations
- Writing skills
- Stress management
- Manual handling
- Alarm system monitoring procedures
- Accident investigations
- Detailing - Detailing experience (1-2 years)
- Leadership
- Mobile devices
- Computer skills
- Delivery driving - Delivery driving experience (11-15 years)
- Supervising experience - Supervising experience (6-9 years)
- Data entry
- Cherry picker
Certification
- Guard Card
- Chauffeur's Permit
- Class D Driver's License
- Certified Security Officer (CSO)
- Class D Security
Personal Information
Work Permit: Authorized to work in the US for any employer
Timeline
Security Officer
American Guard Services
04.2025 - 11.2025
Operations Assistant
Fanatics, Inc
08.2020 - 04.2024
Assistant Manager
Big Lots
02.2007 - 08.2020
Some College (No Degree) - Nursing Practice
Florida State College