Freelancer profile translated to English.

Description

Systems, Network, and Security Engineer with over 10 years of experience in optimizing, securing, and maintaining IT infrastructures. Strongly focused on virtualization (VMware/Hyper-V) and operational security (vulnerability audits, hardening, patch management). Experienced in managing multi-site environments and handling complex incidents, I bring a global and rigorous vision to ensure the performance, resilience, and security of the information system.

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Pontarlier (up to 50km)

TRAVYS
Systems and Network Engineer
August 2025 - February 2026 (6 months)
Yverden, VD, Switzerland
Perimeter & Network Security: Deployment and administration of a high-availability architecture (Sophos HA A/P firewalls). Redesign of inter-site segmentation (VLAN, routing on 6 core/access switches).
Modernization IAM & Hybrid Cloud: Transition to a modern identity via the integration of Azure AD (Entra ID). Securing access through strict implementation of MFA and conditional access policies.
Endpoint Industrialization: Automation of the life cycle for a fleet of 250 workstations. Design and maintenance of secure Windows Masters (centralized management of drivers, applications, and hardening).
Security Maintenance (MCS): Securing and proactive monitoring of a critical VMware vSphere cluster (40 VMs), with a focus on patch management and reducing the attack surface.
Septeo Notaires
Systems and Network Engineer
December 2022 - June 2025 (2 years and 6 months)
Grenoble, France
Engineering & Virtualization (Build/Run): Management of virtualization infrastructures (Hyper-V / VMware ESXi). Capacity planning, performance optimization, and resolution of complex infrastructure incidents (Level 3).
Active Directory Governance: Redesign of the AD architecture and standardization of the fleet. Design and deployment of a complex GPO tree for hardening servers and workstations.
Resilience Strategy (DRP): End-to-end definition and management of the backup policy (Veeam Backup & Replication). Planning, integrity checks, and orchestration of regular Disaster Recovery Plan tests.
Network Architecture Evolution: Participation in LAN/WAN redesign projects. Implementation of Quality of Service (QoS) rules to ensure high availability of critical business flows.
SCC (ESN)
Engineer / Technical Referent
January 2016 - December 2022 (6 years and 11 months)
Strasbourg, France
Complex Incident Management (L2/L3): Advanced diagnostics, technical escalation, and service restoration management for systems and networks (SLA guarantee).
Integration & Technical Management: Cross-team coordination for the deployment of new technologies (Build) and the definition of operating standards.
SI Reliability & Continuous Improvement: Standardization of environments and processes to proactively reduce downtime (MTTR optimization) and increase overall resilience.
Documentary Engineering & Skills Transfer: Design and maintenance of the technical repository (architectures, operating procedures). Training of support teams (L1) and change management for end-users.