Jose Jr Marquez
Abu Dhabi,Al
Summary
Dynamic Network Administrator skilled in managing and deploying complex networks. Strong knowledge of WiFi, LANs and VPNs. Maintains consistent data backups to reduce threats. Emerging systems administrator offers strong troubleshooting, analysis and critical thinking skills. Frequently commended for swift problem resolution and commitment to quality performance.
Overview
18
18
years of professional experience
Work History
Network administrator
Magenta Real Estate Management LLC
Abu Dhabi
10.2019 - Current
- Design, implement, and manage the organization's network infrastructure
- Ensure high availability, reliability, and scalability of network services
- Develop and maintain security policies, procedures, and standards
- Implement security solutions to protect against threats, vulnerabilities, and cyber-attacks
- Lead, mentor, and manage a team of network and security professionals
- Foster a collaborative and high-performance culture within the team
- Collaborate with vendors and suppliers to procure network and security hardware and software
- Manage vendor relationships, contracts, and service level agreements (SLAs)
- Develop and implement incident response plans and procedures
- Lead efforts to investigate and mitigate security incidents and breaches
- Ensure compliance with industry regulations and standards (e.g., GDPR)
- Conduct security audits and assessments to identify vulnerabilities and weaknesses
- Monitor network and security infrastructure performance and capacity
- Plan and execute capacity expansion and optimization projects as needed
- Develop and manage the budget for network and security operations
- Optimize costs while maintaining high-quality services
- Maintain comprehensive documentation of network and security configurations, policies, and procedures
- Generate regular reports on network and security performance and incidents
- Enabled secure network access through research and trend analysis, cutting security breaches by 100%
- Minimized security and data risks, verifying completion of nightly data backups
- Planned and executed the selection, installation, configuration and testing of switches and routers
- Maintained up-to-date software inventory, managing vendor hardware and software licensing to guarantee compliance
- Conducted in-depth network reviews and tightened security policies to monitor access and prevent cyber threats
- Deployed and managed complex networks across broadband, Wi-Fi, LANs and VPNs
- Analyzed existing hardware, software and networking systems to bolster data security
- Employed cybersecurity knowledge to establish stable connections and firewalls
- Managing Mikrotik Router and Configuration for 4500 Hotspot users in CAMP
- Managing WatchGuard M4600 Firewall
- Managing Office 365 Accounts
- Managing FortiGate Firewall 401F
- Maintaining and managing ESXi Server
- Maintaining Radius Authentication using HSNM software
- Escalate IT issues to the IT Manager where necessary ' Responsible for managing backups Diagnose and resolve technical issues ' Undertake small to medium-sized
- IT projects as instructed by the IT Manager
- Provide desktop and server support ' Support and maintain MS Server/ Desktops and MS Exchange ' Setting up and configuring new laptops and desktops ' Install authorized software to laptops and desktops ' Ensuring security and upgrades are applied and kept up to date on desktops and laptops
- Antivirus installation to all desktops and laptops ' Fault-finding to laptops and desktops ' Reporting faults and maintaining logs on servers, desktops and laptops
- Making Cat6 network cables was necessary
- Ensure all logs for equipment and users are maintained
- Setting up and configuring new core servers ' Installing authorized software to core servers ' Ensuring patches and upgrades are applied to core servers ' Fault-finding to core servers ' Creating purchase requisitions for IT hardware/software
- Monitored file servers and databases, improving network performance.
- Minimised security and data risks, verifying completion of nightly data backups.
- Analysed existing hardware, software and networking systems to bolster data security.
- Deployed and managed complex networks across broadband, Wi-Fi, LANs and VPNs.
IT Field Engineer
Ziontech International
Abu Dhabi
06.2017 - 09.2019
- Promoted products and services to meet client needs and increase revenue
- Monitored and managed parts add equipment inventory to support continuous availability
- Managed maintenance data records and tracked operating information for onsite reference
- Determined trends affecting production, service and maintenance processes to inform continuous improvement initiatives
- Maintaining and managing ESXi Server
- Setting up Windows server 2012 to 2019 and configure domain controller and group policy as per company requirements
- Configure Router and firewall for company specific needs
- Setting up Server rack, Patching and installing network in new company
- Provide IT Network Support for customer of Ziontech International
- Replace damage switches and reconfigured Vlan and Access Port as per company requirements
- Backup workstation users and restore to new PC of clients
- Communicate to the Ziontech Customer POC prior for office visit to ensure the requirements of the customer and resolved the issue a soon as possible
- Setting up firewall such as Mikrotik, FortiGate, F5, and SonicWALL as per company requirements
- Configured load balancing, SDWAN and VPN( IPsec , branch to branch , SSL)
- Provided mechanical installation, repair and maintenance service on diverse machinery.
- Scheduled service calls according to customer location and urgency of need.
- Reviewed work orders to decipher job requirements and spare part needs.
- Examined faulty equipment, interpreted reports and analysed customer complaints to diagnose malfunctions.
- Performed onsite installation, modification and maintenance of systems and equipment.
IT Support Engineer
Binali Trading Center, Al Ain
Abu Dhabi
02.2013 - 03.2017
- Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups
- Perform regular security monitoring to identify any possible intrusions
- Perform daily backup operations, ensuring all required file systems and system data are successfully backed up to the appropriate media, recovery tapes or
- Disks are created, and media is recycled and sent off site as necessary
- Create, change, and delete user accounts per request
- Provide Tier III/other support per request from various constituencies
- Investigate and troubleshoot issues
- Repair and recover from hardware or software failures
- Coordinate and communicate with impacted constituencies
- Upgrade and configure system software
- Maintain operational, configuration, or other procedures
- Perform ongoing performance tuning, hardware upgrades, and resource optimization as required
- Configure CPU, memory, and disk partitions as required
- Configured routers, switches and firewalls to deploy and support LAN, WAN and wireless networks
- Administered, maintained and supported network systems to provide consistent security, availability and performance
- Evaluated network performance to optimize traffic flow, maintain security and improve processes
- Employed firewalls to safeguard network security and block unauthorized access
- Secured network systems by establishing and enforcing access control policies
- Supported various operating systems and server technologies
- Maximized network availability and performance by monitoring, troubleshooting, resolving outages and scheduling upgrades
- Established and supported wireless LAN controllers and access points to provide wireless solutions with streamlined hardware.
- Configured routers, switches and firewalls to deploy and support LAN, WAN and wireless networks.
- Secured network systems by establishing and enforcing access control policies.
Clerk/IT Support
Emirates Post Holding Group
Abu Dhabi
01.2011 - 01.2013
- Transcribed dictations, edited drafts and distributed to department
- Operated cash registers with proficiency during high-volume shopping times, reducing customer queues
- Regularly cleaned and straightened work areas, ensuring stores stayed tidy in line with company standards
- Maintained excellent client satisfaction by providing professional, courteous customer service
- Sorting and distributing all classes of mail and parcel post; processing and dispatching mail; directing the routing and transportation of mail;
- Performing counter operations such as preparing claims, tracers and inquiries; preparing and maintaining postal records and reports;
- Requisitioning, controlling, and maintaining postal supplies and equipment; maintaining security for registered, certified and other special classes of mail
- Managing PDA to synchronize report in Oracle Database
- Maintaining and assist Network and Computer Configuration
- Monitored machinery, troubleshot equipment and requested maintenance and repair
- Formulated and submitted weekly reports to manager
- Maintained clean and organized workstation to comply with office standards.
- Gathered and registered information on database.
- Maintained clean and organised workstation to comply with office standards.
- Answered phones, replied to emails and directed calls to appropriate department.
IT support engineer
Al Ahli IT Solutions
Fujairah
10.2005 - 03.2006
- Assemble PC
- Maintain, troubleshoot and administer the use of local area networks (LANs), wide area networks (WANs) networks and computer workstations and peripheral equipment
- Evaluate and install computer hardware, networking software and operating system software
- Operate master consoles to monitor the performance of computer systems and networks
- To co-ordinate access and use of computer networks
- Administering
- Oracle Database Server
- Administering and Maintain Windows 2003 server and MS SQL Server 2000
- Developed disaster recovery and fault tolerance plans to support data recovery and asset management
- Employed firewalls to safeguard network security and block unauthorized access
- Administered, maintained and supported network systems to provide consistent security, availability and performance
- SKILLS
- Networking, Active Directory & Domain
- Switching & Routing
- Technical Support
- Routing protocols
- Network policy development
- Network security protocols
- VPN troubleshooting
- Performance improvements
- Virtual Local Area Network (VLAN)
- Web proxy
- Firewall policy development
- Disaster recovery
- Disaster recovery procedures
- Network administration
- Virus protection software
- Load balancing
- Network disaster recovery
- Network repairs and maintenance
- Disaster recovery planning
- Microsoft Server 2000 to 2022
- Network configuration and support
- Server security
- Hardware installation
- VPN technologies
- Microsoft Active Directory
- VLAN and IP routing
- IP address management
- Office 365 administration
- System upgrades
- Router administration design
- Interface configuration
- Performance tuning
- Microsoft Server 2008 to 2022
- Supported various operating systems and server technologies.
- Monitored and performed hardware and software upgrades to network servers, including operating systems and applications.
Education
Diploma : Diploma - Computer and Electronics Technology, Computer Hardware
System Technology Institute
03.2003
Skills
- Server security
- Routing protocols
- Virus protection software
- Microsoft Server 2019
- Microsoft Server 2022
- VLAN and IP routing
- IP address management
- System upgrades
- Performance tuning
- Disaster recovery planning
- Microsoft Active Directory
- Network security protocols
- Disaster recovery
- VPN troubleshooting
- Performance improvements
- Network administration
- Web proxy
- Network configuration and support
- Firewall policy development
- Load balancing
- Network disaster recovery
- Interface configuration
- Network policy development
- Hardware installation
- Virtual Local Area Network (VLAN)
- VPN technologies
- Router administration design
- Office 365 administration
- Network repairs and maintenance
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Certification
ITIL 4 Foundation Certificate in IT Service Management
CISCO CCNA:
Cisco Certified Network Associate (Routing And Switching)
MIKROTIK
MTCRE- Mikrotik Certified Routing Engineer
MTCNA - Mikrotik Certified Network Associate
FORTIGATE:
Fortinet Network Security Expert Level 3: Certified Associate
Fortinet Network Security Expert Level 2: Certified Associate
Fortinet Network Security Expert Level 1: Certified Associate
CAMBIUM WIRELESS:
CnMatrix Certified
CnPilot Certified
CnPilot Enterprise WiFi Certified
cnMaestro Administrator Certification
Languages
English
Advanced
Timeline
Network administrator
Magenta Real Estate Management LLC
10.2019 - Current
IT Field Engineer
Ziontech International
06.2017 - 09.2019
IT Support Engineer
Binali Trading Center, Al Ain
02.2013 - 03.2017
Clerk/IT Support
Emirates Post Holding Group
01.2011 - 01.2013
IT support engineer
Al Ahli IT Solutions
10.2005 - 03.2006
Diploma : Diploma - Computer and Electronics Technology, Computer Hardware
System Technology Institute
ITIL 4 Foundation Certificate in IT Service Management
CISCO CCNA:
Cisco Certified Network Associate (Routing And Switching)
MIKROTIK
MTCRE- Mikrotik Certified Routing Engineer
MTCNA - Mikrotik Certified Network Associate
FORTIGATE:
Fortinet Network Security Expert Level 3: Certified Associate
Fortinet Network Security Expert Level 2: Certified Associate
Fortinet Network Security Expert Level 1: Certified Associate
CAMBIUM WIRELESS:
CnMatrix Certified
CnPilot Certified
CnPilot Enterprise WiFi Certified
cnMaestro Administrator Certification
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