Julien Duperrier joins Darest: Network and Security Expertise for Swiss Companies
Welcome to our New Expert
Darest Informatic is proud to announce the addition of Julien Duperrier to our Service de Protection et d'Intervention Darest (SPID) team. This strategic integration considerably strengthens our ability to design, deploy and secure high-performance network infrastructures for our customers in French-speaking Switzerland.
A network and security engineer with a degree from ESIEE Paris, Julien brings a high level of technical expertise perfectly aligned with our commitment to excellence. His passion for dynamic technological environments and his approach combining technical mastery and leadership make him an invaluable asset in supporting our customers' digital transformation.
"I'm delighted to be joining Darest Informatic and its SPID team," says Julien Duperrier. "My vision of network infrastructures is centered on three essential pillars: performance, security and scalability. In the Swiss context where operational excellence is paramount, I'm convinced that solid technological foundations are essential to enable companies to innovate and transform."
Areas of expertise
Fortinet Solutions
Julien stands out for his in-depth knowledge of Fortinet solutions, particularly in the areas of cloud security and network infrastructures. His expertise covers advanced threat protection technologies, securing cloud environments and optimizing network performance.
- Fortinet Cloud Security
- Fortinet Network Security
- FortiGate
- Specialist Forti
Sophos technologies
Julien excels in implementing Sophos solutions, particularly in the areas of SOC (Security Operations Center) and EDR (Endpoint Detection and Response). His expertise enables our customers to benefit from proactive protection against advanced threats and rapid detection of security incidents.
- Sophos SOC
- Sophos EDR
- Threat Hunting
- XDR
Aruba Infrastructure
A specialist in Aruba solutions, Julien has a perfect command of switching and wireless campus technologies. His expertise enables him to design and implement high-performance, secure and scalable network infrastructures, offering optimal connectivity in complex enterprise environments.
- Aruba Switching
- Wireless Campus
- SD-WAN
- Network Management
CISCO Solutions
Julien has a perfect command of Cisco Catalyst Center environments, with particular expertise in automating templates for centralized configuration of firewalls, switches and wifi. He has also designed complex multi-site WAN architectures, integrating advanced segmentation via VRF, to ensure effective network isolation and enhanced security in distributed environments.
- Cisco Switching
- Cisco Router
- Cisco Catalyst Center
- Cisco Certified Specialist
Career path
Network Team Leader
Large French ESN | 2024 - 2025
Management of a team of 10 specialist engineers, responsible for day-to-day operations, monitoring technical priorities, training staff and coordinating complex infrastructure projects for international customers.
Network and Security Engineer
Large French ESN | 2019 - 2024
Major projects for leading customers, including the complete renovation of WAN architectures, the deployment of Zero Touch Provisioning technologies, and the implementation of harmonized routing and filtering policies.
Infrastructure Transformation Projects
- Renovation of 22 WAN routers via Cisco DNA Center
- Redefinition of IP addressing plans for complex environments
- Deploying Zero Touch Provisioning technologies
- Migration plans for critical infrastructures
Multi-site deployments
- WAN architecture design for distributed environments
- Creation of technical architecture files
- Implementation of harmonized security policies
- Advanced network segmentation (layers 2, 3 and 4)
Certifications
CCNA 200-301
2022
Fundamental certification for Cisco network technologies
CCNP ENCOR 350-401
2024
Advanced Enterprise Architecture Certification
TOEIC 870/990
B2
Professional English for international environments
A major asset for our customers
Julien Duperrier's arrival significantly strengthens our ability to support companies in French-speaking Switzerland in their most ambitious infrastructure projects. His expertise in strategic technologies such as Fortinet, Sophos, Aruba and Microsoft Azure enables us to offer an even higher level of service.
Consulting Services
As part of our SPID service, Julien works on advanced IT infrastructure consulting assignments, bringing his technical and strategic expertise to bear on our customers' most complex issues.
Delegation projects
Julien can also be delegated on specific projects requiring his level of expertise, enabling our customers to benefit from one-off or extended reinforcement of their teams on strategic initiatives.
"The integration of talents like Julien Duperrier illustrates our ongoing commitment to offering the highest level of technical expertise to our customers in French-speaking Switzerland. At a time when IT infrastructures are becoming ever more critical and complex, strengthening our team with profiles of this quality enables us to remain at the forefront of innovation."