SAQUIB AKHTAR

Identity & Access Management Team (IAM)Linux Identity Management Suite: 389 DS, LDAP , IPA, ADManagement of Multiple Master-Slave IPA Servers, NIS ServersTuning & Troubleshooting of IPA ServersZabbix Monitoring Tool integration & management

Global Customer Support L3 TeamTelco CBIS, NCS InfrastructureSupporting: OpenStack, RHEV, Docker, Kubernetes, Zabbix, Apache, Nginx, VA ScanningHPE BladeSystem c7000, ProLiant DL 360/DL 380 Gen 10/ Gen 10 Plus, Dell R640 R740, Nokia AirFrame HardwareMultiple Global customer support for Cloudband Infrastructure on OpenStack with Dell, AirFrame & HPE Hardwares along with external SAN storage.

Project: UPM, FinlandManaging & administration of Linux OS family: RHEL (5,6,7,8), Ubuntu 16,18,20, SLES 12,15, Oracle Linux 6,7, OpenSuse 15 Leap.Deployed & managing 4 x 2 Node Service Guard (HPE SGLX) cluster on SLES 12 & SLES 15 with multiple shared LVM's and services hostedDeployed & managing Graylog Server with Elasticsearch, MongoDB & Apache Reverse Proxy with SSO.Deployed & managing Uyuni SuseManager Spacewalk server for centralized package management & patching of all Linux OS familyManaging Linux based FTP , NFS, NTP ServersImplementation of network teaming / bonding as per policy requiredMigrated RHEL 6 based Apache SSO to RHEL 7 with OTM weblogic application. Reconfigured Apache SSO under new requirements with Read/Write rulesImplementation of AD authentication of all Linux OS family using SSSD & Centrify plugin for centralized user management. Management of SAMBA AD shares with advance parametersCreating new systemd files for the custom user servicesLinux OS hardening with as per organization policiesManaging HPE physical servers: c7000 blade enclosures, HPE Gen7,8,9,10 Rack Servers, 480 Gen 10 Synergy chassis, Dell R460, R640, R740 rack serversImplemented Ansible Playbook on Ansible Tower for Log4J Vulnerability scanning for all Linux Systems. Bash script for installation of custom RPMs and upgrade of packages.Monitoring & ToolsImplementation of Zabbix Server with HA & Zabbix Proxy with advance performance tuning.Implementation of custom application monitoring with Zabbix with customized templates & Macros.Implemented new template for Log File monitoring, Cluster monitoring.VirtualizationCreating VM's on VM ware infra with ESXi 6.5,7 with RDM's (Virtual & Pass-through/physical) as per requirements.Performing LIVE VMOTION as required. Managing the UPLINKS of ESXi blades.Upgrading of VM Ware tools on all Linux OS family.Create new datastore from LUN as per provisioning policy.Troubleshooting of all Linux VM's in case of ESXi not responding, VM unreachable, Datastore disconnection, Network uplink failure at ESXi nodes.

Project: HT Media Limited, New DelhiMonitor and manage the complete Linux infrastructure at Sify Datacenter and AWS Cloud infrastructure.Configuration and installation of Red Hat based machines on the VM Ware ESXi 6.0 from hardened Linux templates or from the ISO as requiredManaging the Veritas Cluster infrastructure with 8 nodes cluster set-up on VCS version 6.1 and Red Hat Enterprise Linux 6.6 server having services: Tomcat, NFS, Database, Alert and SearchConfiguration and management of 2 Node RHEL Pacemaker MariaDB Cluster with Master-Slave replicationConfiguring SAMBA (with SSSD & winbind AD authentication) and NFS shares on the RHEL 6 & 7 for the internal application useConfiguration of YUM HTTP Server for RHEL Machines & Spacewalk Server for centralized patching of CentOS based ServersConfiguration and management of Squid Proxy ServerConfiguration of FTP server on RHEL 6 & 7 for the users. LVM and disk management with file systems like: ext3, ext4, xfs and btrfs on RHEL/CentOS and Ubuntu machines.Configuration of LDAP based FTP Server for multiple users & RedHat IPA Server for centralized authentication & policy management for RedHat & CentOS 6,7 and Ubuntu 14.04, 16.04, 18.04 VMs.Deployment and backup of all website virtual hosting via Nginx and Apache servers.Advanced Linux OS troubleshooting and configuration involving kernel tuning and emergency system recovery.Deployment of Zabbix Server for 24x7 monitoring of all servers, network devices, storage, firewall and services via SNMP alerts and Zabbix Agents.Cluster command-based monitoring via Zabbix.Installation of Zabbix agents via Ansible server across all the Red Hat & CentOS distributions for OS as well as customized services monitoring and log file monitoring.E-mail based alert messaging to provide alerts to assigned authority.Generation of Problems Reports and analyzing them to generate overall downtime and issues report.Monitoring of all the Linux Servers via Cockpit utility from central monitoring server.Alarm triggering for the alerts via ICINGA monitoring tool for all the AWS Cloud infrastructure.Cloud Watch tool analysis for making daily monitoring reports and uptime/downtime matrix.

Project: Medhaj Techno Concept Pvt. Ltd. Lucknow, Private School & Institutions.SERVER ADMINISTRATION Configured and managing HP ProLiant servers with iLO 4 utility. Configured and managing Dell Rack and Tower servers with iDRAC 8 enterprise utility. Applying various drivers and firmware updates to various servers. Configured RAID, NIC teaming, KVM based RHEV virtualization, iSCSI in HP and Dell servers. Installation of CentOS 6 & 7, RHEL 6 & 7 & Ubuntu 16.04,18.04 on HP and Dell servers via remote access utility. Installed and Configured IBM System x3200 with Windows Server 2008R2. Configured Windows Server 2008R2, 2012R2 VM with MS SQL 2008R2 via RHEV. Configured CentOS 7 VM with Webmin with Virtualmin panel for hosting and development area. Configured and managing in premise IRedMail Server in CentOS 7.5 with auto-backup for 2000+ users with PostgreSQL Database Server, NGINX Web Server, Round Cube Web-Mail with high performance tuning. Configured Spam Assassin, ClamAV, SPF, DKIM, greylisting, whitelisting, blacklisting services for controlling e-mail spamming and e-mail scanning. Configured SAMBA 4 Active Directory Server, OpenLDAP Server, IPA Server & 389 Directory Server on CentOS 7 for managing Windows & Ubuntu systems via Domain Controllers. Configured VNC server on CentOS and Ubuntu for remote access of server. Configured PostgreSQL & MySQL Database Server with high availability with performance tuning. Managing Linux (Cent-OS and Ubuntu), Windows servers on Linode & Digital Ocean cloud. Managing Cloud based Load Balancers on Linode & Digital Ocean. Configured backup policy for all the laptops/desktops (Windows, Ubuntu and MAC OS X) to send automatic archival backup to the local backup server at the scheduled time. Managing Windows Systems with group policy control mechanisms.STORAGE ADMINISTRATION Deployment of Netgear and WD NAS storage with iSCSI-based block storage with CHAP based authentication. SAMBA, NFS, FTP, TFTP based sharing mechanisms for providing shares to servers and users. Configuration of E-mail based alerts for providing all hardware and storage alerts. Working with Free NAS based open source-based storage OS with multiple file systems using iSCSI protocol.NETWORK ADMINISTRATION Configured and managing Cyberoam CR-50ing, 100ing, Sophos XG210 series firewall with various policies, user authentication, DHCP MAC binding, LAN & DMZ zone, WAN link load balancing, WAF rules, Mail configuration with SNMP monitoring. SSL VPN configuration with for accessing internal servers, network devices, storage from any WAN network. IP-Sec VPN between two different sites for providing dedicated connectivity between the servers. Migration of firewall from Cyberoam to Sophos XG series. Deployed Ubiquiti edge router ERLite 3 for Load Balance, QoS and for FTP file transfer and backup. Configuration of UNMS based monitoring system for Ubiquiti Edge router monitoring and firmware upgrade.

System Administration under Linux, and Windows, Network Administration, Zabbix Monitoring, Website hosting, Mail Services, On-premise physical deployment and troubleshooting like Proxy Server, SAMBA/NFS Server, FTP Server, Windows AD, NMS, EPABX & DIAL-UP Connections, WAN DSL, ADSL & VDSL Modem/Router deployment, DVR/NVR CCTV Management, Linux CUPS & Windows Print Server Management, PXE Boot Server Management.