Bernadette Sellers
Management
Galena Park,TX
Summary
Experienced Account Manager with a strong background in managing security teams, onboarding new employees, conducting interviews, coaching and disciplining staff, handling payroll, and scheduling using WinTeam. Proven ability to lead teams effectively and ensure operational excellence.
Overview
14
14
years of professional experience
Work History
Mail Sorter/Delivery Rider
UPS
Houston, TX
11.2025 - 01.2026
- Sorted and organized incoming mail for efficient processing and distribution.
- Operated automated sorting equipment to enhance package flow and reduce handling time.
- Collaborated with team members to ensure timely completion of daily sorting goals.
Security Manager
GardaWorld Security
Houston, Texas
08.2021 - 10.2025
- Managed security operations across multiple sites, ensuring compliance with company standards and client expectations.
- Onboarded and trained new employees, conducted interviews, and provided ongoing coaching and performance management.
- Oversaw payroll processing and scheduling using WinTeam software.
- Maintained strong client relationships and ensured high levels of satisfaction.
- Led team meetings and coordinated with upper management to implement strategic improvements.
- Developed and implemented security protocols to safeguard client assets and information.
- Managed client relationships, ensuring satisfaction through regular communication and tailored solutions.
Security Account Manager
Allied Universal Security Services
Houston, TX
07.2012 - 10.2021
- Conducted risk assessments to identify vulnerabilities and improve security measures for clients.
- Collaborated with cross-functional teams to enhance service delivery and operational efficiencies.
- Led training sessions for staff on best practices in security management and client engagement.
- Analyzed security incidents to develop strategic responses and prevent future occurrences.
- Drove continuous improvement initiatives, enhancing overall security program effectiveness for clients.
- Enhanced client satisfaction by addressing their concerns and providing personalized security solutions.
Third Key Holder
Sherwin-Williams Paint Store
Baytown, TX
03.2017 - 08.2021
- Assisted in daily store operations, ensuring exceptional customer service and product availability.
- Managed cash register transactions, maintaining accuracy in financial reporting and end-of-day reconciliation.
- Monitored stock levels and coordinated restocking activities to optimize inventory flow.
Education
No Degree - Clerical
Hargest Vocational And Technical College
Houston, TexasNo Degree - Cosmetology
San Jacinto College
Houston, TXSkills
- Team Leadership
- Employee Onboarding & Training
- Interviewing & Coaching
- Payroll Management
- Scheduling (WinTeam)
- Conflict Resolution
- Client Relations
- Security Operations
- Information Security Awareness
- Emergency Preparedness & Response
- Handling and sorting mail
- Reliability and punctuality
- Workplace safety
Accomplishments
- Supervised team of 55 staff members.
- Passed Safety and Security Audits each year with an Exceeds Expectations.
Timeline
Mail Sorter/Delivery Rider
UPS
11.2025 - 01.2026
Security Manager
GardaWorld Security
08.2021 - 10.2025
Third Key Holder
Sherwin-Williams Paint Store
03.2017 - 08.2021
Security Account Manager
Allied Universal Security Services
07.2012 - 10.2021
No Degree - Clerical
Hargest Vocational And Technical College
No Degree - Cosmetology
San Jacinto College