DENNIS VALENCIA LOPEZ
Riverview,New Brunswick
Summary
Highly experienced IT and security systems professional with over 23 years in network support, hardware troubleshooting, and technical coordination. Expert in the installation and maintenance of security systems, including CCTV, access control, and anti-skimming devices. Proven ability to troubleshoot and repair complex security equipment with a focus on accuracy and attention to detail. Extensive experience working with advanced security technologies, including ATM security systems and military-grade target shooting machines. Certified A+ technician with a strong commitment to delivering exceptional customer service and maintaining high industry standards.
Overview
21
21
years of professional experience
1
1
Certification
Work History
Maintenance Technician
Shannex Nursing Home
11.2024 - Current
- Operated varied hand and power tools to complete repairs.
- Used problem-solving skills to alleviate issues efficiently with minimal supervision.
- Troubleshot equipment breakdowns and performed preventive maintenance.
- Followed work orders and specifications for machine and equipment replacement, repair, or maintenance.
- Completed daily, weekly, and monthly checklists on building equipment to maintain records of scheduled maintenance procedures.
- Monitored and documented work performance in maintenance logs in compliance with company guidelines.
IT NETWORK SUPPORT TECHNICIAN/RANGE MACHINE SPECIALIST
LEKHWIYA (Internal Security Force)
09.2011 - 08.2024
- Company Overview: Qatar Government Firm - Doha, Qatar
- System Installation and Configuration: Install and configure Windows operating systems and essential security software to ensure optimal performance of security equipment
- Network and Internet Troubleshooting: Diagnose and resolve network and internet connectivity issues to maintain seamless operation of security systems such as CCTV and access control devices
- Technical Support and Problem Resolution: Provide prompt and effective support to clients through remote login or direct interaction, addressing and resolving various desktop and system-related issues
- Maintenance and Security Management: Perform regular maintenance tasks including backups, updates, and antivirus installations to safeguard system integrity and reliability
IT HELPDESK SUPPORT ENGINEER (ATM Senior Security Engineer)
HCL Infosystem
09.2006 - 07.2011
- Installation of Security Systems on ATMs: Installed CCTV cameras, DVRs, and anti-skimming devices on ATMs across Qatar, ensuring the security and integrity of banking operations
- Troubleshooting and resolving technical issues: Diagnosed and resolved issues between DVR devices, ATM machines, routers, and bank-related software to maintain seamless operation
- User and system management: Managed user profiles, configured mail clients, and performed Active Directory tasks to ensure efficient user operations and secure access
- Maintenance and monitoring of security systems: Monitored DVR devices at major banks and installed antivirus software, addressing security vulnerabilities and maintaining system integrity
NETWORK ADMINISTRATOR/ DATA ENTRY
AL JABER Group of Company Establishment
12.2003 - 09.2005
- Installation and configuration of operating systems and software: Installed Windows OS, essential software, and network printers to ensure fully operational systems for users
- Network infrastructure and security management: Implemented and designed network security measures and managed infrastructure components like ADS, DNS, and DHCP to maintain a secure and efficient network
- Antivirus and system updates: Installed antivirus software and regularly updated service packs and patches to protect systems from vulnerabilities and ensure optimal performance
- System maintenance and backups: Performed regular maintenance tasks, including backups and setting up file permissions, to safeguard data and ensure system reliability
Education
Network Administration - Information Technology
New Brunswick Community College
Moncton, NB04-2026
Skills
- Security Systems Installation: Extensive experience in CCTV camera installation, DVR configuration, and ATM security systems implementation
- Network Design & Configuration: Knowledge in designing, configuring, and troubleshooting Local Area Networks (LAN) and Wide Area Networks (WAN)
- Operating Systems Management: Skilled in installing, configuring, and troubleshooting Microsoft operating systems and associated software applications
- Hardware Assembly & Peripheral Management: Proficient in assembling and disassembling computer hardware, along with configuring peripheral devices like printers, scanners, and media drives
- Server Administration: Certified in the installation and administration of Domain Controllers, Mail Servers
- Technical Support & Troubleshooting: Strong ability to provide technical assistance, troubleshoot, and resolve issues for end-users
- Warranty Coordination & Inventory Management: Efficient in coordinating warranty work for hardware repairs and managing inventory and delivery of hardware equipment
- Problem-Solving: Advanced skills in diagnosing and resolving complex computer hardware and software issues
Certification
- CCNA: Introduction to Networks
- Managing IT Security Qatar National E-learning Portal – ICT Qatar, September28,2010
- A+ Essentials2009: Computer Hardware Components Qatar National E-learning Portal – ICT Qatar, September23,2010
- VANGUARD Certification Training Course Certified Guardian + Series EXPERT for CCTV Vanguard Integrated Solutions, USA, September28,2010
Languages
English
Professional Working
CCNA: Introduction to Networks
Acquired Badge from CISCO Networking Academy
Timeline
Maintenance Technician
Shannex Nursing Home
11.2024 - Current
IT NETWORK SUPPORT TECHNICIAN/RANGE MACHINE SPECIALIST
LEKHWIYA (Internal Security Force)
09.2011 - 08.2024
IT HELPDESK SUPPORT ENGINEER (ATM Senior Security Engineer)
HCL Infosystem
09.2006 - 07.2011
NETWORK ADMINISTRATOR/ DATA ENTRY
AL JABER Group of Company Establishment
12.2003 - 09.2005
Network Administration - Information Technology
New Brunswick Community College
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