Internal CyberSecurity Auditor for a confidential INETUM client. Cisco Meraki, Cisco Routers, Switch’s, Firewall & Access Point’s integrated at the Meraki SD-WAN solution. VMWare VSphere, Microsoft Server’s.

Private investor in digital assets.Centralised Finance (CeFi) and Decentralised Finance DeFi).

CTO / CISO/ Infrastructure Manager / Tech lead / Networking, Systems and InfoSec Engineer at INSIZIUM - Interactive Technological Complexes.Insizium works with state-of-art Immersive Virtual Reality, Virtual Reality and 3D technologies.Planning, design and implementation of all active network equipment’s of the company using DELL devices, DELL PowerConnect 6200 series (Layer 3) and 2800 series (Layer 2). Checkpoint Firewall with ADSL support and Fiber with a GBic transceiver. Draytek VigorAP 800 Access Point's. Passive network with multi-mode and mono-mode Fiber for "uplinks" to connect two remote buildings. LAN built with CAT6 cabling network.DELL KVM and DELL PowerEdge Server running Microsoft Windows Server 2008 R2 Enterprise and Microsoft Windows Server 2012 Standard.System Administrator of all Linux Servers (CentOS, Red Hat, Debian, Ubuntu, Slackware, Kali Linux) running services like DNS, Web Server (Apache), E-Mail server, WAF (Web Application Firewall), Network Monitoring, SAMBA, SSH, VPN, RADIUS.Company manager of Microsoft Partner Network protocols, and all other Hardware and Software suppliers. Responsible for the acquisition, maintenance and updates of all software required for the company production.Responsible for all company software and security of the company, facial recognize hardware, finger print access doors, backups of all critical systems of the company.Implementation of a backup system based on a QNAP NAS system, also a ticket support Open Source system for users support to be able to meet required specifications for ISO 9001 certification.Experience with CAVE system's (Cave Automatic Virtual Environment), at Insizium’ s scenario, the world's biggest CAVE with seven faces.Manager of all company's software licenses.

IT Consultant at "Datamaia Informática, Lda" on computer networking and almost all IT fields they ask me help.

Senior Network Engineer By INETUM @ Altice Portugal / SPMS (Shared Services of Minister of Health)NOC SPMS / Altice (Network Operations Center) / Cisco Routers & Switch's, Draytek, Teldat, CA Spectrum, CA Service Desk, LibreNMS, Custom tools from Altice Portugal, SharePoint, Cisco FirePower firewall, Linux.

IT Consultant at "APS Comunicação", a communication agency

Senior Network Engineer at Altice USA.Cisco, Cisco ACI (Application Centric Infrastructure), Wireshark, TCPDUMP, Linux, VCenter (VMWARE), custom Altice USA tools, AppDynamics, IPControl, Cisco Hyperflex Connect,Microsoft Visio, Jira, Confluence.

Senior Network Engineer at Fujitsu Portugal. Working as a Senior Network Engineer and Tools Expert at the first European Network Operations Center (NOC) from Fujitsu. We started with a big client/account based in Germany with more than 50.000 network devices.My work consists both Operational and Project related to our client regarding all Network services, Security and Project management.Medium and High Complexity Changes (IMAC’s), pro-active monitoring of the entire network, change control validation and authorization.Implement infrastructure solutions to the set standards whilst following standardized processes.Escalation and interfacing to external referral groups and third parties: Cisco TAC: Juniper JTAC, Brocade TAC.Systems Monitoring: Alarms, Capacity, Performance.Problem trend analysis and resolution continual service improvement.Technologies:LAN/WLAN/WAN/TCP-IP/Routing/Switching/Subnet Addressing, and many others.Hardware:Cisco Nexus family, Cisco Catalyst family: i.e.: Cisco 29xx, 35xx, 37xx, 38xx, Cisco 26xx routers, 6500 switch’s., Cisco WLC’s and AP’s.Extreme Networks, Avaya, Nortel, Brocade switching.Siemens switching and routing, wireless.Hirschman switching and routing.Nortel Passport.Juniper. Wireless Lan Controllers (WLC’s), Access Point’s (AP’s)Network devices at Core, Distribution and Access layer.Monitoring:CA Spectrum, CA eHealth, CA Performance, Check_MK (old Nagios), Kibana, Cacti, Whatsup Gold, Extreme Manager, HiVision/HiView. Tools: Cisco Prime, Cisco ISE, Cisco ACS, Extreme NetSight, Avaya COM, Avaya Ignition, BNA (Brocade), FNT Command, pROCESS, HP-SC (HP Service Center ticketing system), WhireShark, Citrix, Appgate, RSA SecureID, Kira, SolarWinds., Juniper Ringmaster, Juniper WMS, AppGate, Citrix, Splunk.Bluecoat Technologies principles.F5 Load Balancers principles.Infoblox (IPAM, DNS, DHCP).Firewall Principles (Checkpoint / Fortinet / Cisco ASA / Palo Alto).Knowledge of ITIL processes.

Wireless configuration, VPN's (IPSEC and PPTP), TCP/IP networks on Microsoft, Apple and Linux environments. Worked with many applications on all the three environments and OpenSource using Linux Ubuntu and SUSE.Worked at "CICA" department at Faculdade de Engenharia Universidade do Porto. Remote assistance using VNC and many administration tasks performed using implemented systems developed by "CICA". Technical support to the VoIP network that consisted on an "Asterisk" based VoIP central called "Polyspeak". Configuration and troubleshooting IP telephones from Polycom and GrandStream. Support to all internal units of "CICA" and all university's departments.

Editor at www.zwame.pt (ZWAME, Lda).Editor of game reviews, game press releases.

Platforms manager, Computer Associates Unicenter Service Desk, eHealth, Cisco networking administrator, 3560G layer 3 switch's, Cisco 3825 router's, other Cisco switch models and Routers, Ciscoworks administrator, Spectrum and NSM from Computer Associates, Wireless Lan Controllers, Wireless Control System, Cisco ACS administration. Networking administration and monitoring.Network administrator of a WAN with more than 6500 locations linked with optic fiber, xDSL. Administration of more than 15.000 Cisco equipment’s.Worked with Cisco ASA firewall's and many Cisco based configurations hands-on.This was a project from Ministério da Educação of Portugal working in collaboration with Portugal Telecom.

Editor for the heading "Retroman"

Editor of all kind of IT articles for the paper IT magazine BIT and PC Mais.

Collaboration with some paper magazines, Exame Informática, BIT, Informática Fácil and others during more than 8 years.

Editor at "Exame Informática" paper magazine. Wrote articles for almost all IT fields such as Linux, graphical design, software, Internet, Networking, etc.Publication of a book entitled "Microsoft Office XP" a book with basic tutorials for beginners.Editor of some articles for the paper magazine "Exame Digital".

Networking Administrator of Infineon Technologies, later known as Qimonda Portugal, S.A. and now “Nanium”.Worked with many Cisco switch's (6509, 4560, 3960, 2950 series, etc), Access Point's Aironet 110 and 1200 series.HP OpenView NNM, CiscoWorks, Cacti, MRTG,Remedy, administration of a very high critical network with more than 2000 users and critical servers of production at the Infineon RAM memory modules factory.Design of internal networks to be implemented on all Infineon's sites around the world.

Trainer for the preparation course to the CCNA (Cisco Certified Network Associate) 640-801.- OSI Model- Network Topology's- TCP/IP- IPv4 addressing and subnetting

Systems and networking administrator at Probos - Resinas e plásticos, S.A.Coordination of a migration project between two ISP link's to the Internet.Administration of a layer 3 and layer 3 HP Switch.Administration of several servers, cluster running Windows 2003,System Update Service from Microsoft, administration of Linux e-mail, proxy and Web servers.Technical support to all IT infrastructure of Probos, coordination of several IT projects at Probos enterprise group and collaboration with H.B. Fuller company for service transition. User migration to Active Directory, e-mail migration and other applications like Prisma, Lotus Notes, Client Access.

Trainer for the preparation course for CCNA (Cisco Certified Network Associate) 640-801 certification.- OSI model- TCP/IP- IPv4 addressing, subnetting- Lan switching- Configuration of Cisco routers and basic notions of IOS- Routing protocols (RIP, EIGRP, OSPF, IGRP)- Cisco ACL's- VLAN's- WAN's technologies

Editor at paper journals and magazines "Informática Fácil" and "Mundo Internet".Wrote about all kind of IT articles such as Microsoft IT articles, Linux, Internet and Networking.

Trainer of Cisco Networks.Cisco routers configurations, basic notions of IOSLan Switching.ACL's on Cisco routersIPv4 Addressing and subnettingCoordination and supervision of an academic networking project

Installation and implementation of the Linux Installation Party (LIP) at "Pavilhão Rosa Mota" at Oporto, Portugal.Worked at OSI level 1 and 2.

Editor at http://www.jornaldigital.com/ that belong to the agency "Portuguese News Network" working on science and technology fields.