EHFreelancer profile translated to English.
Back to original languageAbout Espinellia
My goal is to help you achieve your objectives.
With over a decade of professional experience, I have demonstrated sharp expertise in network architecture with a focus on security, meaning the protection of the confidentiality, integrity, and availability of information systems. My role involves evaluating evolving needs, proposing innovative architectures considering threats, and supporting their implementation, thereby ensuring network security and performance.
My career is marked by in-depth skill in optimizing architectures for increased communication performance, access management, and network attack prevention. Commitment to cybersecurity is a fundamental value for me, translating into continuous technological monitoring and the ability to analyze vulnerabilities to protect critical environments. In my current role, my mission is to ensure a reliable and secure infrastructure, enabling our team to contribute to the institution's success.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- École de technologie Supérieure, Université du QuébecIT Architecture Specialist - Network and SecurityApril 2014 - Today (12 years and 2 months)Montreal, QC, CanadaIT Environment
- Wi-Fi network (nearly 600 access points, up to 10k clients per day)
- Over 500 nodes (routers, switches, firewalls, Wi-Fi controllers, load balancers)
- Over 2000 servers, 3 data centers
- IT team of nearly 100 people
Responsibilities- Determine network evolution and security needs to achieve business objectives.
- Study and propose physical and logical architectures meeting these needs.
- Draft calls for tender, make technology choices.
- Establish project plans, assist in defining deployment or migration strategies.
- Support project implementation, assist with troubleshooting.
- Train first and second-level support teams.
- Audit performance, produce architecture documents.
- Stay informed about technological advancements.
Projects*Study, design, and deployment of a dynamic network segmentation architecturebased on Aruba ClearPass, integrating 802.1X, dynamic VLANs, MAB fallback, and centralized access policies.- 📌 Access Control (NAC): Implementation of 802.1X, MAB, device management (printers, IoT, BYOD).
- 📌 Advanced Network Segmentation: Dynamic VLANs, role-based centralized access policies.
- 📌 Security Integration: Interfacing with Active Directory, RADIUS, SIEM, certificate management.
- 📌 Zero Trust Network Access (ZTNA): Network approach based on identity and context.
- 📌 Design Approach: Secure by design.
- 📌 **One of the results achieved**: Reduction in deployment times by over 50%.
Other Projects- Wi-Fi network overhaul (Study, design, and implementation of the Aruba Wi-Fi solution, decommissioning of Cisco controllers)
- Sun Media,Network AdministratorMay 2013 - April 2014 (11 months)Montreal, QC, CanadaIT Environment
- Multi-site network (data centers and user sites), over 2000 servers
- Several nodes (routers, switches, firewalls, Wi-Fi controllers, load balancers)
Responsibilities- Analyze and execute requests for additions or modifications to the infrastructure.
- Install and configure telecom infrastructure (Routers, Switches, Firewalls/VPN, F5).
- Resolve incidents (performance, routing, switching, security).
- Manage monitoring and performance analysis tools.
- Create and update network documentation and inventory.
Projects- Networking and deployment of branch offices.
- Connecting the head office network to an additional internet provider for internet redundancy (BGP Dual multi-homed).
Recommendations
Be the first to recommend Espinellia
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- IngénieureÉcole de technologie supérieure, (reconnue 2ieme au rang des écoles d'ingénieur au Canada)2011Spécialité technologies de l'information et télécommunications
Certifications
- CCNPCisco2018
Skill set
Categories
- Other