11/21/2025 updated

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CCIE Enterprise, Routing & Switching Engineer, Security and Collaboration Expert

Roquetas de Mar, Spain MSc Telecommunication Engineering
Roquetas de Mar, Spain MSc Telecommunication Engineering

Profile attachments

CV Jesus Marin - CCIE Routing Switching Security UC - xjesus.net.pdf

About me

Experienced Network Engineer with a strong international background in designing, deploying, and supporting complex network infrastructures. Certifications: https://www.credly.com/users/jesus-manuel-marin-navarro CCIE Enterprise (Routing & Switching) #8273 since 2001, valid through Oct 2028

PHP (Programming Language)Amazon Web ServicesAuthenticationsAutomationMicrosoft AzureVoIPCisco Unified Communications ManagerCatalyst (Software)Cisco Certified Design ProfessionalCisco Certified Internetwork ExpertCisco Certified Internetwork Expert (CCIE) VoiceCisco Certified Internetwork ProfessionalCisco PIXCloud ComputingComplex NetworksEnhanced Interior Gateway Routing ProtocolEspañolFrenchHot Standby Router ProtocolInformation Technology Infrastructure Libraries (ITIL)Interior Gateway Routing ProtocolsInfrastructure ManagementInternet Protocol Security (IP SEC)Virtual Private Networks (VPN)Linux ServersMPLS VPNMulticastingRoutingCisco Nexus SwitchesOpen Shortest Path FirstWindows PowerShellRSA (Cryptosystem)SimulationsSquid (Proxy Server)Terminal Access Controller Access-Control System (TACACS)Unified CommunicationsVirtual LANVirtual Router Redundancy ProtocolsOpen Broadcaster SoftwareDynamic RoutingIntegrated Service RoutersGoogle CloudLoad BalancingBackendRoute ManagementSDN NetworkIptablesSolarWinds (Software)Cisco CertificationFortinetFirepowerSafety PrinciplesCiscoServicenow
*** Experienced Network Engineer with a strong international background in designing, deploying, and supporting complex network infrastructures. Specialized in Cisco Routing & Switching (Catalyst, Nexus, ACI), Unified Communications (CUCM, Unity, IM&P, Expressway, UCCX, CUBE), and advanced firewall solutions including Cisco ASA/Firepower and Fortinet FortiGate NGFW.


*** Certifications & Instruction - https://www.credly.com/users/jesus-manuel-marin-navarro

CCIE Enterprise (Routing & Switching) #8273 since 2001, valid through Oct 2028

Recertified CCIE Enterprise Core & Specialist Collaboration Core, valid through Oct 2028

CCNP Collaboration (CUCM, CallManager, IP Telephony)

CCNP, CCDP, CCNA, CCDA

Cisco NetAcad Instructor (CCNA1 & CCNA2)


*** Languages

Spanish (Native)

English (Advanced – C1)

French (Intermediate)


*** Technical Expertise

Networking: Cisco ACI, VXLAN EVPN, MPLS VPN, MP-BGP, OSPF, Multicast, VLAN, HSRP, VRRP, Load Balancing, GRE/IPSec VPNs, SSH

Security: FortiOS upgrades, HA clusters, RSA Authentication Manager, TACACS+, Squid proxy, iptables

Systems: Windows & Linux servers, PowerShell scripting, SolarWinds monitoring

Cloud & Automation: AWS, Azure, GCP, OBS Cloud (Orange Business Services), Cisco DevNet, ServiceNow, ITIL

Development: PHP back-end, automation scripting

Lab & Simulation: PoC environments in Cisco CML and pNetLab

Languages

EnglishFluentFrenchGoodSpanishNative speaker

Project history

Consultant Network Engineer

Joaquín Marín e Hijos S.L.
Network services design, deployment and support as a freelance / contractor in several projects:

[3/2025 – Present] MINSAIT Indra / Kyndryl (Madrid) - Network Architect for BBVA Omega
· Banking / financial multisite Data Centers technical evaluation and analysis. Long-term planning and re-design.
- Design proposals to customer requirements. HLD & LLD.
- PoC (Proof of Concept) labs in CML and pNetlab

Technologies: Cisco ACI, ,VXLAN EVPN, MPLS VPN, MP-BGP, CML, pNetlab, Nexus 9K, etc.

[8/2023 – 6/2024]: SITA for Aircraft (Barcelona) – Data Center NetworkOps Specialist
- Managed network operations for global data centers, optimizing routing, switching, and security systems.
- Configured Cisco Nexus 7K/9K and Catalyst switches, Fortinet Fortigate, Cisco ASA, and FirePower firewalls.
- Implemented VPNs (Forticlient, Cisco AnyConnect) and IPSec tunnels for secure communications.

Technologies: Routers, switches, firewalls, Windows and Linux servers. IPSec, VPNs, GRE tunnels, OSPF, BGP, Multicast, VLAN, MPLS, Traffic Engineering, HSRP, VRRP, Load Balancing, SSH. Cisco, Meraki, Fortinet, Fortigate, FortiOs upgrade and HA clusters, iptables, Squid proxy, RSA authentication manager server and tokens, TACACS+ Azure, OBS Cloud (Orange Business Services), Powershell scripts. Solarwinds , Servicenow and ITIL.


[2017-2022] Kaizen Networks (Madrid) – Sernivel3 - Keycoes. L3 support to UC3M.es (University Carlos III), QuironSalud.es, Euskotren and HSNET UC networks.


Senior Consultant Engineer

Telefónica Soluciones
Service Provider and Enterprise networks design (pre-sales), implementation and support (post-sales).

Senior Consultant Engineer, EMEA SP Advanced Services

Cisco Systems
Post sales support to major Service Provider accounts like South Africa Telekom, Internet Hellas, Etisalat, Net One, Hellas Online, Kazakh Telecom, South Africa Telekom, Belgacom.

Certificates

CCIE Enterprise (Routing & Switching) #8273

Cisco

2010


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