Jonjo Osullivan
Phoenix,Arizona
Summary
Dynamic Maintenance Director with a proven track record at Diamond Asset Management, excelling in preventive maintenance and team supervision. Expert in troubleshooting and vendor relationship management, I have successfully implemented programs that enhanced operational efficiency and ensured compliance with safety regulations, fostering a culture of safety and excellence among staff.
Overview
14
14
years of professional experience
Work History
Maintenance Supervisor
Brookdale
07.2025 - Current
- Assisted in maintaining equipment and machinery to ensure optimal performance.
- Learned safety protocols and procedures for hazardous materials handling.
- Supported routine maintenance tasks to enhance operational efficiency.
- Collaborated with team members to identify and troubleshoot equipment issues.
Maintenance Director
Diamond Asset Management
06.2022 - 01.2025
- Oversaw maintenance operations to ensure facility compliance with safety regulations.
- Developed and implemented preventive maintenance programs to enhance operational efficiency.
- Managed vendor relationships for timely procurement of maintenance supplies and services.
- Trained and mentored maintenance staff on best practices and safety protocols.
Maintenance Supervisor
Vp Maintenance
03.2020 - 06.2021
Supervisor a team of 4 to uphold maintenance in a commercial industry
Maintenance Manager
Ev1 builders
07.2011 - 11.2018
- Oversaw daily maintenance operations to ensure optimal facility performance
- Developed and implemented preventive maintenance schedules for equipment reliability
- Trained and mentored team members on best practices and safety standards
- Coordinated with vendors for timely procurement of maintenance supplies
Skills
- Preventive Maintenance
- Team supervision
- Facilities maintenance
- Maintenance recordkeeping
- Work order management
- Troubleshooting
- Plumbing repairs
- Electrical troubleshooting
- Lockout and tagout procedures
- HVAC systems
- Safety protocols
- Equipment troubleshooting
- Inventory monitoring
- Electrical systems
- Vendor relationship management
- Quality control
- Grounds maintenance
- Emergency response
- Staff management
- Employee performance evaluation
- Pool maintenance
- Welding techniques
- Supply coordination
- Deadline management
- Job planning
- Materials requisition
- Production scheduling
- Staff scheduling
- Employee scheduling
Timeline
Maintenance Supervisor
Brookdale
07.2025 - Current
Maintenance Director
Diamond Asset Management
06.2022 - 01.2025
Maintenance Supervisor
Vp Maintenance
03.2020 - 06.2021
Maintenance Manager
Ev1 builders
07.2011 - 11.2018