Raheel Siddiqui

System Administrator
▪Managed Windows Server environments (2016/2019/2022) including installation, patching, configuration, and performance tuning.

▪Administered Active Directory, Group Policies, DNS, DHCP, and domain services ensuring secure and seamless authentication and authorization.

▪Design, deploy, and maintain cloud environments on AWS and Google Cloud Platform (GCP), tailored to meet diverse client needs across various regions, including Europe, UK, USA, Canada, Germany, Indonesia, and Spain.

▪Update and maintain builds and adapters for environments hosted on AWS and GCP based on client requests, ensuring optimal performance and system integrity.

▪Efficiently manage client requests and issue resolutions through the Mantis ticketing system, ensuring prompt and accurate response to support tickets and system updates.

▪Administer and configure databases through pgAdmin, ensuring proper setup, backup, and optimization for client-specific applications.

▪Create, test, and manage Amazon Machine Images (AMIs) on the AWS platform to facilitate rapid scaling and consistent environment provisioning for clients.

▪Design and configure AWS security groups to manage network access and secure cloud infrastructure, adhering to best practices and regulatory requirements.

▪Oversee and manage client environments across AWS and GCP, ensuring operational efficiency, cost optimization, and high availability for clients across diverse geographical regions.

▪Administer Microsoft Exchange Server and Office 365, including mailbox management, mail flow troubleshooting, and security/spam policies.

▪Deployed and maintained infrastructure on Microsoft Azure including Virtual Machines, virtual networks, storage accounts, and Azure AD.

▪Experience with virtualization platforms such as VMware and Hyper-V for provisioning and managing virtual environments.

▪Implemented maintenance plans and replication strategies to ensure database availability and integrity.

▪Configured and maintained firewalls, antivirus solutions, and endpoint protection tools to meet organizational compliance.

▪Enforced multi-factor authentication (MFA), identity and access controls, and patch management practices.

▪Implemented backup strategies and conducted regular disaster recovery drills to ensure business continuity and minimize downtime.

▪Using monitoring tools (e.g., PRTG, Nagios, or Azure Monitor) to proactively track system performance and resolve incidents.

▪Automated routine administrative tasks using PowerShell scripts to improve system reliability and reduce manual effort.

• As an IT System Administrator, I helped manage the daily internal and external support operations of a fast- scaling startup including internal servers’ machines.
• Design, organize, modify, and support an organization’s computer systems, including operating systems, business applications, security tools, web servers, email systems, and user hardware (laptops, PCs).
• Provide 2nd & 3rd line technical support, answering support queries via ticketing tool, MS teams.
• Provide support for O365 - Outlook, PowerPoint, Word, OneNote, Teams, and SharePoint online. Install and configure mail accounts and troubleshoot Pst and Ost issues.
• Deployed WDS and MDT for windows and server installation.
• Managing and configuring organization severs HP ProLiant dl380 and Dell Power Edge R740.
• Install and configure local area networks (LANs), wide area networks (WANs), and network segments and servers, such as file servers, VPN gateways, and intrusion detection systems.
• Working knowledge on AD and O365 account administration, such as creating an account, permissions, resetting passwords or creating group accounts.
• Familiarity with different OS systems (Linux, MAC & Windows) platform.
• Providing technical support to LINUX and MAC users.
• Creating VM’s in LINUX environment as per business/division needs.
• Adding Laptops and desktops into Organizational Unit (OU).
• Network and Links monitoring on PRTG platform.
• Co-ordination with the different ISPs for link deployment and link troubleshooting.
• Manage user accounts, credentials, permissions, access rights, storage allocations, and active directory administration.
• Configuring, troubleshooting, and providing technical support for CrowdStike Antivirus.
• Modification, exchange account setup and modification and managed large-scale file shares.
• Save hard drive Bit locker recovery keys on Microsoft Azure cloud platform.
• Creating restore point for backup purposes if windows has crashed.
• Attend weekly team meeting with IT Manager to review escalation and their resolution status.
• Rack and Stack servers/ switches/ storage drives, run cabling (cat7 and fiber), configure I/O and break/fix servers, storage drives, etc. at our qtrs., data center rack space.
• Responsible for monitoring the active open-source Workday helpdesk ticketing system and timely resolution of end user issues hardware and software requests. Constantly working on documentation updates and special projects as assigned by the IT Manager.
• Managed new user onboarding training and off-boarding including account creation and security access levels. On average there were 8 to 10 new users being on-boarded during peak
growth.

 Installation and configuration of all retail applications (iVend & console management.).
 Monitoring and managing all Point of Sale at all branches in south region.
 Talking staff or clients through a series of actions, either face-to-face, over the telephone or via remote, to resolve technical issues.
 Help Desk Management at branch users regarding LAN, Internet, E-mail, VPN user, Dialup user and Network related issues.
 Configuration of Avaya IP phones at branch end (model 1608-I & 1603-I).
 Protecting data, software, and hardware by coordinating, planning, and implementing network security measures.
 Troubleshooting, diagnosing, and resolving hardware, software, and other network and system problems.
 User data recovery (if possible) of lost data caused by hardware failure or human error.
 Provide Systems/Network (LAN) related technical support to branch users.

 Installing & configuring computer operating system and other apps.
 Manage MCB Consumer Office Network connectivity with Head Office.
 Provide Systems/Network (LAN) related technical support to all MCB users, remote ITback office and branches approx. 1400 branches.
 Help Desk Management at MCB to support local and nationwide users regarding LAN, Internet, E-mail, VPN user, Dial Up user and Network related issues.
 Talking staff or clients through a series of actions, either face-to-face, over the telephone or via remote, to resolve technical issues.
 Configure antivirus software to fully protect IT environment.
 Initiate and complete Microsoft Windows server operating system updates.

 Monitor overall WAN/LAN operations to ensure the connectivity of branches, Offsite
ATM’s & Internet segments.
 To setting up branch WAN link connectivity arrangements over DXX, DSL, Wireless AP switches, Optical Fiber, Radio branches and ISDN-PRI with the Soneri Bank’s primary & DR site. Monitoring via SolarWinds.
 Configured and deployed new Juniper firewalls (SRX-300 & 320) and Juniper switches (EX- 2300) in nationwide branches to replace old equipment (Juniper (SRX-220, SRX-210) and Cisco (1900, 1800)).
 Co-ordinate with different ISPs for media deployment & link troubleshooting.