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Santiago TeiraST

Santiago Teira

Network Admin

€135/day
Barcelona, ES
3-7 years

Average response time: 1 hour

About Santiago

Having worked on a lot of different environments, I took the skills to be a realiable and open-minded network engineer. I like trying new things when deploying configuration if the customer asks for it, and I can fully adapt to the necessities and problems that can be found in almost any productive system.

Also I work very hard to document everything I do and I actively try to automate all jobs to be as efficient as possible using scripts and all kinds of software.
  • Catalan

    Native or bilingual

  • English

    Fluent

  • Spanish

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Abertis Autopistas España
    Network Admin
    TELECOMMUNICATIONS
    September 2023 - Today (2 years and 9 months)
    Barcelona, Spain
    Working as a full-time Network Administrator in OT from Abertis Autopistas in more than a thousand of kilometers of freeways in Spain.
  • E-Ports Ample de banda i Internet
    Core backbone network engineer
    TELECOMMUNICATIONS
    April 2017 - Today (9 years and 2 months)
    Tortosa, Spain
    - Configuration and manteinance of the whole backbone of the ISP.
    - Configuration and manteinance of networks with Mikrotik, Huawei, Cisco and Nokia. BGP, OSPF, MPLS, VPLS, VSi, vlan, VX-LAN, Static Routing, Recursive Routing, Automatic Backups, OSPF Costs...
    - Configuration and manteinance of GPON Networks (OLT & ONT) with various manufacturers (Televés, Huawei, FiberHome, Uplink, NuCom, Comtrend, Zyxel, etc).
    - Firewall rules and traffic management with various platforms: Mikrotik (NAT, Mangle, Raw, Filter rules, Address list...), PfSense, Cisco, SonicWall, iptables.
    - VoIP: deploy and manteinance of VoIP networks. IP Phones, virtual IP Phones, and PBX (Citra, Elastix, FreePBX, 3CX). Great experience in debugging VoIP issues.
    - Use of different tools: NMAP, wireshark, MTR, Hydra, WinSCP, ConEmu, etc.
    - Windows and Linux regular and advance use (Ubuntu, Kali, Debian, Debian server...).
    - Debugging network problems (loops, degraded bandwidth, etc).
    - Detecting network security problems (Bruteforcers, DDoS, ARP Poisoning, DNS Attacks...) and solve them.

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