FUTURE XPERT-IS

Our team — Sergio Santa Eufemia Diez

Owner and CTO of FUTURE XPERT-IS
SENIOR NETWORK & SECURITY ARCHITECT

SERGIO
SANTA EUFEMIA
DIEZ

Technical Leader — Network & Security

15+ years of expertise designing and deploying complex network and security architectures. Expert on Cisco, Juniper, Palo Alto, and Fortinet, NATO-certified between 2010 and 2015, with international experience in pharmaceutical, rail, and defense sectors.

SD-WAN SASE NGFW Zero Trust MPLS BGP/OSPF VXLAN/EVPN Data Center
PROFILE.SYS — LOADED
STATUS AVAILABLE
EXPERIENCE 15+ YEARS
LOCATION FRANCE
CLEARANCE NATO SECRET ✓
LANGUAGES FR / EN / ES
Network Security96%
LAN/WAN/DC architecture94%
Cloud & Virtualization85%
Project Management90%
0
Years of experience
0
Clients & projects
0
Sites deployed
0
Certifications

// EXPERTISE.DAT

Technical Skills

🔷
Network Solutions
  • Juniper EX / QFX / MX, Virtual Chassis
  • Cisco Catalyst / DNA / Nexus / ASR
  • HP Aruba, Extreme Networks, Brocade
  • Campus, DC, LAN/WAN/MAN architecture
  • SD-WAN, SASE
🛡️
Security
  • Palo Alto NGFW / Panorama
  • Fortinet FortiGate / FMG / FAZ
  • Cisco ASA / FirePower / FMC / FSO
  • Juniper SRX, Checkpoint
  • Vectra, Forescout, Rapid7, Olfeo
  • Proxy Cisco WSA / ESA, VPN IPsec/SSL
☁️
Cloud & data centres
  • AWS, Azure
  • VMware vCenter, ESX, NSX, vMotion
  • ACI, VXLAN, EVPN, MP-BGP
  • MPLS / VPLS / EoMPLS, L2/L3VPN
  • Hyperconverged (HCI)
🔀
Protocols & Routing
  • BGP (iBGP/eBGP), OSPF v2/v3, IS-IS
  • EIGRP, RIPv2, Static routing, ECMP
  • VLAN, QoS, STP, HSRP/VRRP
  • VSS, vPC, VLT, CoPP
  • DWDM, FTTH/GPON fiber optics
⚙️
Systems & Tools
  • Linux (Debian, Ubuntu)
  • Windows Server 2008/2012
  • FortiManager, Panorama, Cisco FMC
  • Splunk, ZTP, RFC2544, Y1731
  • OTDR, OSA, VeeX, IXIA
📋
Project Management
  • HLD / LLD / DTE architecture
  • Complex project management (AVP → EPEM)
  • RFPs and budgeting
  • Technical team management
  • Technical audits, consulting, training

// CAREER.LOG

Professional Experience

UNITHER PHARMACEUTICALS
01/2023 → PRESENT
Group Network & Security Manager
  • Complete redesign of the group network and security architecture: WAN/Internet RFP integrating SD-WAN and SASE
  • Migration from legacy firewalls to Palo Alto NGFW + GlobalProtect deployment with Azure MFA and HIP profiling
  • Transformation of the wired LAN to an SD-Access model (Aruba → Cisco) and WiFi segmentation with RADIUS authentication and Fortinet proxying
  • Management of network administrators, L1-L3 technical support for all IT departments
  • Purchasing leadership, infrastructure refreshes, and support for migration to HCI infrastructure
Palo AltoPanorama Global ProtectFortinet SD-WANSASE HP ArubaCiscoRUCKUS
NOMIOS — Multiple Assignments
09/2020 → 12/2022
Network & Security Engineer — Consultant
  • DATA ONE: DC/DR architecture redesign (VPLS QinQ), MPLS/Fortinet micro-segmentation, Palo Alto public DMZ, ISO 27001 renewal — HLD/LLD/DTE deliverables
  • TIKEHAU CAPITAL: Fortinet audit and optimization; migration of 12 international sites
  • TRANSDEV: Replacement of 70 Checkpoint firewalls with FortiGate via ZTP + FortiManager in Île-de-France
  • FRANCE TÉLÉVISIONS: QoS audit and security segmentation on Palo Alto / Panorama
  • LOUIS VUITTON / LA BANQUE POSTALE / CRÉDIT AGRICOLE: Cisco Nexus 5k/9k, ESA/WSA upgrades and troubleshooting
Palo AltoFortinet FGT/FMG/FAZ Cisco Nexus 9kVectra ForescoutRapid7Olfeo
SNCF — DGOP / DPI / DTI
2018 → 2020
Network Consultant — Technical Project Manager
  • Project manager for 5 national projects: ToIP/IPBX MITEL, VIGI360 video protection, TGV/TER boarding gates, SNCF Voyages stores, WAN/MAN/LAN regeneration
  • Strategic projects: DIGIFIRST (enterprise WAN redesign), VALOF (fiber optic valuation), SPOT, 574 Sud
  • Full AVP → EPEM leadership, business-owner relations, budgeting, telecom operator coordination
ToIPCisco HPMulti-operator WANBackbone
INTERDATA
2017 → 2018
NOC Network Engineer & FaaS / DWDM Projects
  • FaaS, SAN, and LAN network integration for key accounts (CNAMTS, ATOS, Ministry of Interior/Finance, SNCF)
  • SLA qualification (RFC2544, Y1731, BERT, OTDR/OSA) and IXIA POC/stress testing
  • L1-L4 incident resolution on ADVA/MRV, Juniper, Extreme Networks
ADVA DWDMJuniper CiscoExtreme Networks Palo AltoFortinet
SPANISH ARMY / NATO EUROCORPS
2003 → 2013
Telecommunications Corporal-Chief — NATO Secret Clearance
  • 10 years in teams responsible for barracks IT systems and networks
  • 3 years detached to CEEUR (Eurocorps HQ, NATO Strasbourg) — Top Secret information systems, DCOSOPS-CG department
  • NATO Secret clearance (2010-2015) — terrestrial, satellite, and fiber networks for an HQ able to command 60,000 personnel in <48h
  • Multinational NATO exercises: Common Tenacity (2010-2012), Blue Gabriel (2011), NRF 15
  • Deployment support for all Headquarters elements - ISAF 2012 mission command (2010-2012)
Military networksNATO IS Fiber / SatelliteEnglish-speaking environment

// CREDENTIALS.DB

Certifications & Accreditations

JUNIPER
JNCIA-SEC
JNCIS-SEC
CISCO
CCNP R&S / DC
CCIE R&S / DC
FORTINET
NSE 1, 2, 3
NATO
NATO SECRET
2010 – 2015

// EDUCATION.LOG

Initial Education

2010
Master's Degree in Telecommunications Engineering
Higher School of Telecommunications Engineering — Spain (Master's level)
2002
Higher Technician Diploma in Systems and Network Administration
Higher technical training — Telecommunications (Associate level)

LANGUAGES
// LANGUAGES.CFG

Languages Mastered

🇪🇸
Spanish
NATIVE LANGUAGE
🇫🇷
French
FLUENT — C1/C2
🇬🇧
English
FLUENT — C1/C2
🇩🇪
German
BASIC — A2/B1

Let's Connect

Available for assignments, roles, or technical consulting

✉ sergio.santa-eufemia.diez@futura-xpert-is.fr
🌍 France — National & international mobility
💼 LinkedIn : www.linkedin.com/in/sergio-s-00704959