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