Gelson De Souza Email & Phone Number

Hamilton, Waikato, New Zealand

• Configuration, administration and monitoring of cloud-based infrastructure, and network systems including wired networks, wireless networks, and VPN & WAN links• Assist with the development and maintenance of policies, procedures, and training plans for cloud infrastructure administration and disaster recovery• Perform both hardware and software upgrades of networking equipment• Monitor network and cloud infrastructure performance, and provide performance statistics and reports when requested by management• Planning, implementation, configuration and monitoring of network security measures for all Gallagher sites and cloud infrastructure• Configuration of corporate firewalls & VPNs• Configuration and monitoring of web content and email filters and rules• Assist with the management of device endpoints• Administration of NZ and remote office Wide Area Networks• Backup and restore of Security device configurations including documentation of procedures used• Administration of Antivirus/Antispyware software + updates• Assist in the development of security policy• Building/rebuilding servers, deployment of software patches to servers & workstations• Assist with the management and support of our virtualization technologies, including the deployment of patches• Aid in Disaster Recovery and Business Continuity planning

New Zealand

• Problem Solving Techniques using creativity to generate options and decision making to select the best option • Root Cause Analysis to solve a problem permanently and not just endless fighting its symptoms • Perform a site survey to verify site readiness and requirements for hardware and cable installations• Rack mounting and configuring the Hardware unit (Mainly Cisco devices)• Cable patching and circuit turn up• Performing necessary testing with the remote engineer• Cisco Routing and Switching• Unified Communications / IP Telephony / VOIP• Mobility Solutions – Wireless LANs AP• Cisco, Juniper Firewall

Curitiba, Paraná, Brazil

Network / System Administrator / Infrastructure Mar 2014 – Apr 2017 Responsibilities• Problem Solving Techniques using creativity to generate options and decision making to select the best option to solve a problem Root Cause Analysis to solve a problem permanently and not just endless fighting its symptoms • Installed, configured, and managed services (Iptables, Web Filter Proxy)• Created and executed policies and VPN, and monitored in/out of data on Firewall Juniper (Netscreen)• Installed, configured and maintained local and remote Network hardware (Routers, Switches, Firewalls, VPN Devices)• Participated in the design, implementation, and deployment of the Wireless Project and Monitoring Systems in the city's Bus Station• Migrated the datacentre's infrastructure: racks, servers, cables and optical fibresNetwork / System Administrator Mar 2012 – Apr 2014 Responsibilities• Written technical documentation and reports• Planned and implemented technology with suppliers and professional staff• Managed Servers and Storage Area Network infrastructure based primarily on Microsoft, Linux, HP, and VMware technologies Network Administrator Feb 2008 – Feb 2012 Responsibilities• Installed, configured, and maintained local and remote Network hardware (Routers, Switches)• Implemented, managed, and kept Active Directory + DNS + DHCP over 1,000 users accounts• Installed, configured, and maintained data backup technologies such as DAT/DDS and LTO tape libraries• Migrated the datacentre's infrastructure: racks, servers, cables, and optical fibres• Provided support for the IT Helpdesk team to help solve customer issues, via phone and tickets for all users, both internal and external

Curitiba Area, Brazil

• Second and third-year high-school classes at Computer Technician Course and Post-secondary students• Operational Networks and Systems: history, concepts, structure and devices of Operating Systems. Fundamentals of data communication, introduction to computer networks, communication protocols, network services, network design, basic security concepts in a computer network• Fundamentals and Computer Architecture: the historical evolution of computers, hardware and software components, data representation, numbering systems• Technical Support: parts, installation, configuration and maintenance of computers, peripherals and software

Curitiba Area, Brazil

• Infrastructure Cabling Project for the Department of Post-Graduation• Member of the group responsible for Windows NT migration to Linux Terminal Server Project (LTSP)• Management - NT Network Administration, Linux Server and Web Pages• Maintenance and Installation of Software - Windows Operation Systems (98, NT4, 2K and XP)• Support for customers - Students and teachers

Cisco Certified Network Associate, Computer Systems Networking And Telecommunications, Network Administrator

Technologist In Electronics And Telecommunications, Network And Telecommunications