Achraf WALHA

Via UniWare Global Services

Design, implement, and support network and security infrastructure  Engineering and support of the DATA Center of OOREDOO: expertise on all type of nexus (N7K, N5K, N2K, B22, ACE module…)  Configuring FIREWALL(Cisco ASA, Cisco FWSM, Fortigate, Stonsoft, Layer 3&4 protocol  Configuring VPNs (ipsec,digital certificates, SSL vpn, GET VPN, DMVPN , Flex VPN, any connect,PKI)  Engineering and support of SP EDGE module following the “best practices” of Cisco: expertise of different models of routers and switch (ASR9K, ASR1K, Catalyst 6500, Catalyst 7600, Catalyst 4500, Catalyst 3560, 3750, 3750x, 3850x…).  Administration of Cisco IP telephony PABX (Cisco Unified Call Manager).  Administration of Cisco WIFI Platform: WLC, WCS, ACS...  Implement AAA TACACS+, Radius and Verify functionality (cisco ACS 4.x, 5.x)  Administration of Internet peering to the international  Administration of different network tools and cisco equipment: Cisco SNTC, LMS, Call home, Prime...  Project Management: meetings with vendors and support, preparing action plan, following of the project life…  Working with Service Manager: Incident treatment, Execution of WO, opening of new changes, etc…  Ensuring shifts 7/7, 24/24 one week per month: First and second-line support: remote and on-site support for all network equipment’s  Liaising with system administration and database administration for execution of administration tasks  Hosting of large and complex server infrastructure in our datacenters  … Project achieved: o Participating in establishing OTV between two active Data Center o Participating in Disaster recovery project o Participating in hosting & housing project o Participating in different migration along DC platforms and DC move o Daily configuration & add of different server, chassis and VM in our DC o Maintaining DC up and resolving incident when happened o Troubleshooting problems in all DC Layer o …

Network design and functional validation, Writing and implementing engineering rules for IP networks, Mastery of routing and switching protocols, Cisco Routers and Switches, ALU Service Routers, Lab testing and validation of future network services, IP/MPLS networking (Alcatel-Lucent Backbone), Commissioning and acceptance of PBA Routers (ALU) and IP SRc12 ALU 10G rings  Project achieved: o Commissioning and acceptance of 10G PBA rings o Preparation of WO of different projects to our support team o Participating of the Migration of the BB from juniper equipment (M120) to ALU equipment (SRC12, SRC7) o Participating in different migration along BB platforms o …

* Participation in Voip solution projects for Weatherford, IBS, Biat, Topnet, ABC… * Participation in the site survey and the implementation of the project of the ministry of health RNS-NG 2010 * Working on cisco Voice Unified equipment such as CUCM, CME, CUE, CU, Cisco Unified Presence, … * Working with different models of cisco routers and Switches * Working on GSM Gateways  …

J'ai fait mon projet PFE au sein de Alcatel-Lucent Tunisie sous le thème: "Dimensionnement et plannification d'un réseau HSPA"