Network Security Expert

• Nov 2021 - Present

Security and Network architect for Klivvr's datacenter and disaster recovery site. Designing and implementing both High-level HLD and Low-level Designs of Klivvr's Network. Responsible for the network and systems security and the related hardware, software and maintenance procurement. Develop, maintain and follow up the organization’s disaster recovery plan. Designing, implementing, and troubleshooting security solutions and firewalls. Responsible for analyzing network security needs and design technical solutions and supervise the preparation of all technical proposals. Remediating any vulnerabilities discovered related to network scans to match with providing the required evidence and solving the findings related to Network Security review. Design, implement and support of multi-vendors (Fortinet, F5, Palo Alto, Symantec) Establishing, Monitoring and operating the IPSEC VPNs and SSL VPNs between Klivvr and 3rd parties Providing network documentation and updating as needed. Ensure maximum availability, Confidentiality and Integrity of the organization Network and data. Audit, monitor, and modify security devices and systems compliance with the approved security policy plan. Show less

Network Security Senior Administrator

• Nov 2019 - Nov 2021

Protects Etisalat internal and external network access using firewalls (F5 AFM,Juniper SRX, Fortigate & Cisco ASA) Administrates Web Application firewall F5 ASM to protect Etisalat published services. Provides SSLVPN remote access/ IPSEC VPN to employees / Vendor to support their systems during the non-working hours (F5 APM, Fortigate). Administrates and maintains end user accounts, permissions, and access rights on the authentication servers AAA (Cisco ISE, ACS) and Two way-Authentication (VASCO IDENTIKEY Authentication) Prevents users from accessing unauthorized sites using the web filter (Bluecoat Proxy ASG). Monitors the logs from Firewalls, Intrusion Detection/ Prevention (Trend Micro), WAF, SSLVPN and network traffic for unusual or suspicious activity and take corrective action. Performs security consultancy to different business units regarding new products, services and provide security solutions to meet needs. Provide support for the preparation and execution of all internal and external security related audits (PCI/ISO). Show less

IP Core Network & Security 2nd line Support Specialist

• Jul 2018 - Nov 2019

2nd line support for Network/Security incidents through performing advanced analyses and diagnoses on complex networking symptom during troubleshooting.Securing customer Firewall access between Vodafone core sites, using different firewall vendors as Juniper (Netscreen ISG1000, SSG and SRX), Cisco (ASA), FortiGate FW and F5 BIG-IP (Load Balancer).Supporting, auditing & implementing changes on the Mobile (Voice, Data,Messaging, Charging, Billing, Transmission and Signaling) IP BackBone MPLS based network together with the Mobile network Security.HW/SW upgrade for EOS and EOL nodes in our network devices (Cisco Routers ASR9K, CRS,GSR, 7200VXR, 7600, 6513, 2800,2900).Support in LTE project from core side using security gateway (SRX 5800 FW) during the integration phase with Ericsson & Huawei and speed up the integration process.Performance management and fault management using CACTI , CISCO Prime and Cisco ANA.Perform Proactive health check for Vodafone services and connections over CPN.Reviewing and implementing the right network architectures in accordance with business needs and industry best practices.Periodic preventive maintenance and corrective actions. Show less

TX Changes & BB 2nd line Support Engineer

• Oct 2015 - Jun 2018

DataCom and Transmission First Line Engineer

• Apr 2014 - Oct 2015