Rehan Ahmed Khan

Multiple Implementations of Sophos XG and XGS firewalls in large business sectors with and without High Availability as a fresh implementation to induct in current infrastructure and as upgradation of firewall.
Implementation of Ruckus Wireless solutions in large environments
Proficient knowledge of TrendMicro CloudOne and ApexOne with integration of XDR
Perform on-site and remote technical support
Conducted POC for Delinea Secret Server (PAM) and performed the Implementation.

Maintained up-to-date knowledge of industry trends and threat landscape through ongoing research and professional development activities.

Guiding to customer to ensure adherence to established cybersecurity policies and best practices.

• Perform patch management on systems
• Administration of Security tools i.e
• Antivirus, Server Security, Web protection, etc
• Handle Complex Security issue on servers / systems
• Ensure Compliance of infrastructure systems with Information Security Policy
• Oversee all system Security, design, and changes in system infrastructure
• Maintain a current understanding of the IT threat landscape for the industry
• Communicate best practices and risks to all parts of the business within IT
• Act as functional owner of all the processes related to Productivity Infrastructure and Operations
• Actions on SIEM (Security Information and Event Management) Reports, IOCs (Indicator of Compromise) and Security Advisories
• Ensure Systems Protection by Monitoring of threats and malware
• Analyze Security products and systems and seek improvements continuously
• Manage Security Operations I.e., Vulnerability assessment of Systems

• Maintain IT operations including networks, operating systems, security tools, applications, servers, email systems, laptops, desktops, software, and hardware
• Assessing and recommending improvements to network operations and integrated hardware, software, communications, and operating systems
• Nurture dependable IT infrastructure and networking that's always up and running
• Installing, configuring, administering, and troubleshooting VMware ESXI, VMware workstations
• Installing, configuring, administering, and troubleshooting Microsoft Windows Server, Exchange Server, Active Directory, WSUS server, and patch management
• Installing, configuring, administering, and troubleshooting Firewalls, access points, and network software
• Administration of IP Telephony Exchange with 300 nodes of IP Phone and 50 nodes analog phones
• Installing, configuring, administering, and troubleshooting hardware issues of Servers (IBM, HP, and Dell Servers)
• Preparing and maintaining procedures and documentation for system and network inventory and providing resolution of system and network faults and maintenance

• Administration of the IP Communication System (VoIP) to ensure smooth and efficient communication within the organization
• Installation, configuration, testing, maintenance, and administration of the virtual environment (VMware / Hypervisor) to support the company's IT infrastructure
• Management and administration of the File Server Resource Manager (FSRM) to optimize file server operations and data management
• Deployment, management, and administration of Endpoint security solutions to safeguard the organization's network and data
• Installation, configuration, and administration of Backup Server, Video Conference Solution, DR Call Center Solution, and Email Security Gateway to ensure reliable and secure business operations
• Conducting research, testing, and evaluation of vendor hardware and software products to stay up to date with technological advancements
• Providing system, network, and VPN support to over 300 nodes, both locally and at remote locations, ensuring uninterrupted business connectivity
• Managing the Network and Security Infrastructure, which includes routers, switches, and firewalls, to maintain a robust and secure network environment
• Collaborating with vendors and other IT personnel to resolve technical issues promptly and efficiently
• Monitoring network bandwidth and usage, along with managing firewalls, to ensure network integrity and optimal performance
• Offering specialized skills in supporting and troubleshooting systems and network problems, ensuring the smooth functioning of IT operations

• Team Lead of System and Network Support
• Planning and Implementing system, servers, network, and application developments and undertaking project work
• Analyzing, interpreting, evaluating architecture specification, debugging, troubleshooting, and developing networks, systems, and servers
• Installing, configuring, and administering improved network operations and performed software and hardware updates on workstations and servers
• Installing, configuring, administering, and troubleshooting of network operations and integrated hardware, software, communications, and operating systems
• Involved in performance Management of 'IT' operations and associated resources (Servers, LAN Desktop and Peripherals Management, Network Management, Helpdesk Management, Backup Management, Vendor Management, Asset Management, MIS, and Reporting, Change management, Incident management & Problem Management)
• Monitoring network traffic to ensure optimal network performance

• Provide main backup and enable optimal corporate network administration
• All applications should be troubleshooted
• Prepare post-mortem reports and analyze system failure trends
• Develop alternatives and execute a contract chance to cut all costs
• Create and maintain thorough documentation for the network's implementation
• Assist departments in developing problem-solving strategies
• Develop a Linux network design in collaboration with multiple departments
• Project-based management of all technical network resources
• Manage and administer Cisco network switches and routers in an MPLS framework

• Installation and configuration of various systems
• Troubleshooting network problems and emergencies
• Monitoring network infrastructure and ensuring optimal performance
• Assessing and recommending improvements to network operations
• Providing network programming
• Preparing and maintaining documentation for network inventory
• Recording diagnosis and resolution of network faults, enhancements, and modifications
• Monitoring network traffic, activity, capacity, and usage