Freelancer profile translated to English.
Back to original languageAbout Grégoire
System and network administrator for over 3 years, geek and entrepreneur. My skills include: AD administration, virtualization, Powershell scripting, compliance with PCIDSS standards, Kaspersky, etc..
French
Native or bilingual
English
Fluent
Can work on-site
Lyon (up to 50km), Dijon (up to 10km), Chalon-sur-Saône (up to 10km)
Experience
- Le Grand ChalonSecOps EngineerPUBLIC SECTOROctober 2023 - Today (2 years and 8 months)Chalon-sur-Saône, France- Vulnerability Management and Risk Analysis: Identification and management of vulnerabilities, risk analysis, and patch application (Cyberwatch/Publisher CVE).- IT System Security: Implementation of access policies, data flow monitoring, Bitlocker encryption, and other measures to strengthen information system security. (Microsoft Tiering)- Regulatory Compliance: Guarantee of compliance with regulatory standards, particularly ANSSI rules.- Security Audits: Regular audit of system security and implementation of corrective measures (Ping Castle/OCD).- Virtual and Physical Server Administration: Management of virtualized environments (ESXi, Vsphere) and physical servers.- Active Directory and Azure AD Management: Administration of identities, groups, roles, etc., as well as configuration and evolution of GPOs across different client environments.- IT Services Management: Management of WSUS, DNS, DHCP, MECM, etc., services.- Network Security: Administration of firewalls (Fortigate), network equipment (Cisco), and WiFi networks (Meraki).- Backup and Data Management: Administration of the backup solution (Veeam) and management of Office 365.- Multisite IT Infrastructure Management: Responsibility for the security, deployment, maintenance, patching, and upgrades of the IT infrastructure comprising 1500 PCs and 200 servers.- Task Automation: Automation of various recurring administrative tasks to improve operational efficiency.- Support for the mandated provider on the migration project from Lotus Notes to Office 365.- L2/L3 Incident Resolution, Helpdesk
- Enedis - LyonSystem EngineerENERGY AND UTILITIESFebruary 2023 - September 2023 (7 months)Lyon, France- RedHat System Administration: Complete management of the RedHat-based infrastructure, ensuring system stability and performance.- Level 2/3 Security Incident Management: Proactive response to threats and rapid resolution of security incidents.- Production Monitoring: Use of advanced tools such as Sentinel, TrueSight, and Grafana to monitor production and ensure system availability.- Production Deployment Management: Responsibility for production deployments, including CI/CD pipeline management with Jenkins and Bitbucket.- SQL Script Deployment: Implementation of SQL scripts on Postgres and Oracle environments to ensure proper database operation.- Creation of Specific Access: Fine-grained management of user access to Oracle and Postgres databases.- Maintenance of Linky Applications in Operational Condition: Continuous support for Linky applications in production and pre-production.- Change Management: Management of modifications and production deployments of various applications in accordance with change management procedures (RFC, MEP).- Cross-functional Project Monitoring: Active participation in monitoring cross-functional projects and providing technical support for projects.
- ThalesSystem EngineerPUBLIC SECTORSeptember 2022 - February 2023 (5 months)Lyon, France- RedHat Server Administration: Management of RedHat servers to ensure system availability and security.- Implementation of Security Measures: Rigorous application of internal security directives in accordance with the ANSSI repository.- Level 2/3 Incident Resolution: Efficient resolution of security incidents and system problems.- Hyper-V VM Administration and Security: Management of virtual machines under Hyper-V, with particular attention to security.- Deployment Automation: Use of Python and Hawai v4/v6 scripts to automate deployments, thereby improving operational efficiency.
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Education
- Master of ManagementESGI2022Master, Management et conseil en système d'information
- Bachelor's Degree, Enterprise Application Developer, Information Systems AdministratorIUT Lyon 12020Licence, Développeur d'application d'entreprise, administrateur de systèmes d'information
Skill set (23)
Categories
- Other