sebastien valojitch

- Writing of Security Architecture documents for news projets (LLD) - Installation and configuration of firewalls in datacenters

Migration of business applications to public and private clouds: AWS, IBM and AZURE: BGP, F5, Checkpoint. Management of internal projects: VPN IPSEC, F5, Checkpoint

Expertise in Datacenter infrastructure and securing business critical applications. Technical management of projects, study of risk , writing of procedures. - Reinforcement of email security for around 50 domains: DMARC, DKIM, SPF,authentification LDAP, zero-day, Bounce Verification, TLS, Graymail, OutbreakFilter - Implementation of protections against attacks: DDOS et ASM sur F5. - Migration of web sites to a new Datacenter: load-balacing (LTM), GTM, BGP - Software and hardware upgrade: Checkpoint, Ironport, Fireeye, F5

- Web sites and Internet services management for KERING Group (Balenciaga, La Redoute, Fnac, Gucci, Conforama, YSL,…) - Upgrade, integration and management of devices - Operation meeting (APAC) and incident resolution (spread over 4 International Datacenter). - Technologies: load-balancer F5 LTM et GTM, Cisco 6500, Nexus 5k/7k, Juniper SA, Netscreen, Fortinet, checkpoint VSX, SMTP relay Ironport, Proofpoint, Ironport web proxy, Cisco WLC, ISE Prime, RSA, Infoblox. - Configuration of network and performance supervision (Cacti, Sitescope, Nagios ). - On call.

- Proof of concept d’une solution de haute disponibilité pour un site web (Barracuda). - Intégration de la solution VPN SSL Juniper SA 2500. - Installation et étude de switch Juniper EX4200 montés en châssis (VLAN, routage inter-vlan, RSTP, agrégation de liens, based routing). - Evaluation du firewall Juniper SRX : Haute Disponibilité, politique de sécurité, based routing, tracking IP, VPN, IPSEC, IDP, anti-virus, filtrage web, script SLAX - Transition de Microsoft Exchange 2003 à 2007. Tests de faisabilité et installation chez le client. - Support technique dans le domaine de la sécurité. - Rédaction des documents d’installation, d’exploitation, de paramétrage et d’architecture.

Installation of an IP infrastructure telephony (Aastra) for 2000 users over 100 sites: - Study of a wide architecture network: fault, tolerance, scalability, quality of service, security. - Update of network devices (Cisco) to improve QoS for voice data. Installation of a network and application performance monitoring solutions (SecurActive): - specification document writing, offers analysing, project management, installation and skills transfer. Study of the network and system architecture to install ‘HP Systems Insight Manager’. - This enabling to monitor network devices and servers. - Platforms: Windows 2003 Server, SQL server 2005, HP & IBM servers, Cisco devices. Network management: monitoring, troubleshooting, implementation.. - Cisco Switch: 6506, 3750, 3524, 2960 - Cisco Router: 3660

Participation on a migration project of Active Directory: - Installation of VMWare ESX Server on IBM servers - Installation of SAN disks arrays on fibre channel environment - Installation of Cluster on Windows 2003 Server - Migration of domain controller from Windows NT4 to Windows 2003 Server $ Others: - Deployment on 300 computers of antivirus Trend Micro Maintenance of backup system from Tivoli Storage Manager - IBM