Freelancer profile translated to English.
Back to original languageAbout Sulyvan
I support companies in the design, deployment, and automation of resilient information systems.
System & Network Administrator with a dual Admin/Dev background, I intervene on my clients' information systems to ensure high availability.
My approach combines the robustness of proven virtualization solutions and the agility of automation to transform your technical constraints into a growth lever.
Databases:
MySQL, MariaDB, PostgreSQL, MongoDB, Redis
Development / Scripting:
Ansible, Bash, C# (.NET/ASP.NET), Golang, HTML5/CSS3, Javascript/Typescript (Node.JS), PHP, Powershell, Python
Routers / Switches:
OneAccess, Cisco, Fortinet, Juniper, Mikrotik, PFSense, OPNSense, Arista, VyOS
Collaborative Tools:
Microsoft 365 (Entra ID/Azure AD), Zoho, KSuite, Slack, Teams
Monitoring:
Zabbix, SNMP, Grafana, Prometheus
Operating Systems:
Windows Server, BSD, Linux (Debian, Ubuntu, RHEL, Alma Linux, Rocky Linux, Arch Linux)
Storage:
Ceph, NFS, iSCSI
Virtualization & Cloud:
Proxmox, VMware, Hyper-V, XCP-ng, SolusVM, Docker, Kubernetes, Virtuozzo, LXC
VPN:
IPSEC, FortiClient, OpenVPN, Wireguard
French
Native or bilingual
English
Fluent
Can work on-site
Beauvais (up to 10km), Paris (up to 10km), Le Havre (up to 10km)
Experience
- Good id
On Malt
TrainerPUBLIC SECTORJune 2026 - June 2026Bernay, FranceLed several training sessions on the use of Google Workspace. During these sessions, users were trained on the use and configuration of the applications in this suite of applications;- GMail- Google Calendar- Google Contacts- Google Groups- Google Chat- Google Meet- Google Drive - Bellova CorpCo-ManagerTELECOMMUNICATIONSFebruary 2026 - Today (6 months)Beauvais, FranceAs co-manager and founder of Bellova CORP, a "Security-First" Managed Service Provider (MSP), I support SMEs in the transformation, security, and proactive management of their information systems. My goal: to put an end to "breakdown IT" by offering comprehensive, high-performance, and highly secure managed IT services.Cybersecurity & Business Continuity (DRP/BCP):- Deployment of advanced protection strategies (EDR/XDR) on our clients' IT infrastructure.- Implementation and monitoring of certified and encrypted backups (Acronis, OSCAR solution) on 3 distinct media.- Development and guarantee of Disaster Recovery Plans (DRP) to ensure resilience against cyberattacks (ransomware, etc.).Cloud Infrastructure & Collaborative Tools:- Deployment, migration, and administration of work environments (Microsoft 365, Infomaniak's kSuite for data sovereignty).- Architecture and managed services for custom Cloud servers and high-performance web hosting (WordPress Managed).Managed Telecoms & Networks:- Architecture of network solutions (SD-WAN, multi-site private networks).- Deployment and operational maintenance of digital telephone systems (VoIP), professional fiber optic, and mobile fleet.MSP Management & Operational Strategy:- 24/7 proactive monitoring of infrastructures through the integration of world-class MSP tools (Datto RMM, Splashtop, Domotz).- Guarantee of contractual service levels (SLA) with 99.9% availability and ultra-fast response times (< 4h).- Management of commercial strategy, definition of "all-inclusive" package offers, and overall company management.
- ELYO SOLUTIONSNetwork TroubleshootingTELECOMMUNICATIONSApril 2026 - April 2026- Network diagnostics on the client's infrastructure- Restoration of a faulty VPN interconnection following equipment relocation.- Connectivity tests- Commissioning tests
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Education
- BTS Digital Systems, EC optionLycée Technologique Jules Siegfried2017- Analyser et compléter un dossier de spécifications techniques - Valider le choix d’une architecture matérielle/logicielle - Contribuer à la modélisation de tout ou partie d’un produit - Proposer des corrections ou des améliorations - Préparer la solution et le plan d’action - Mettre en œuvre une solution matérielle/logicielle en situation - Effectuer la recette d’un produit avec le client - Installer un système d’exploitation et/ou une bibliothèque logicielle - Installer un dispositif de correction et/ou mise à jour de logiciel - Superviser le fonctionnement d’un produit matériel/logiciel - Analyser les comptes rendus d’exploitation - Diagnostiquer les causes d’un dysfonctionnement - Dépanner une installation matérielle/logicielle - Assurer la traçabilité
- Professional Baccalaureate in Digital Electronic Systems, TR optionLycée Professionnel Jules Siegfried2015- Appréhender la mise en oeuvre d’un projet d’installation d’un système - Recueillir les informations relatives à l’exploitation et aux caractéristiques des éléments de l’installation - Analyser le fonctionnement de l’installation actuelle en vue de l’intervention - Analyser, interpréter les indicateurs de fonctionnement