Giovanni Serrano available

Giovanni Serrano

IP and Cloud Architect

Profileimage by Giovanni Serrano IP and Cloud Architect from Bogota
  • 110131 Bogota Freelancer in
  • Graduation: Systems Engineer
  • Hourly-/Daily rates:
  • Languages: English (Limited professional) | French (Elementary) | Spanish (Native or Bilingual)
  • Last update: 28.06.2017
Profileimage by Giovanni Serrano IP and Cloud Architect from Bogota

System Administrator on Linux/Solaris Operative Systems in Barebone or Virtualized environments. Hands-on experience with RedHat/CentOS/Fedora/SUSE including system administration and scripting to solve different type of integration requirements. Database knowledge being able to use of Relational DBMS (Oracle/MySQL/MSSQL) on Unix/Windows systems.  Networks WAN/LAN support at routers and servers level.  Competence on installation, management and hardening of Linux/Unix Servers. Network Management by using SNMP and RMI. Knowledge of proprietary and Open Source management tools as HP Openview/CACTI/Observium/Nagios.
Solution Architect for Network Design and Network Security being able to manage software/appliances as firewalls and intrusion detection systems.  Skills in troubleshooting and fault finding on IP/MPLS multiservice networks from different vendors (Ericsson SSR80X0, Cisco ASR900X, Juniper). Knowledge Packet Switching networks by using Ericsson SGSN/GGSN/EPC/SSR from Ericsson. Experience designing multiservice networks with IP/MPLS, but also in Internet Service Provider or Datacenter environments. Experience in Network Audit and Security Assesments in IP networks. Experience in Packet Switching networks for Mobile Operators at GGSN-MME/EPG. Firewalls integration using Linux (IPTABLES), Cisco (ASA), Juniper (SRX).
Enterprise Architect for Cloud solutions with knowledge in OpenStack/SDN/NFV with Ericsson and Redhat to be used as IaaS. Experience with Cloud Execution Environment based on Mirantis OpenStack which is the IaaS from Ericsson. 


Solution Architect – IP & Cloud Architect
Design IP transport solutions in Metro Ethernet and Mobile Packet Backbone Network environments - Mobile-PBN. The design solutions highly available network that integrates multiple vendors such as Cisco, SSR/RedBack, Juniper and Extreme. Instructor in basic and advanced courses in IP Networking and Security Basics. Consultant security solutions for data networks. Develop security and transport solutions for different regional customers. Network security design for ISP/Datacenter/Mobile Network using SRX, ASA/Firepower, Clavister and F5 appliances. Design and integration of CGNAT by A10 Networks in mobile operator.

Projects developed in Latin America Region, mainly in Colombia and Cuba. Multi Service Network Design for Mobile and Broadband operators. 

Networking and Telecomunications Engineer
Responsible for the Internet platform, diagnose and support at 3rd level on routing and servers in the ISP platform.  Security officer defining the security procedures and policies, Security Platform  based on Cisco with firewalls PIX/ASA and VPN concentrators.  Operation, support and provisioning on the MPLS network based on Cisco devices.   

Availability to travel. Don't have permision to work in US/EU. Interested in relocation with my family.
Very motivated and result focused professional, who has been working for more than 20 years in the ICT field. Knowledge and experience as Technical Leader, System Architect and Integration Engineer for complex and large scale projects. Able to work effectively under pressure and in stressful conditions, likes the challenge to adapt to changes and to transform problems into new opportunities