Saquib Akhtar

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

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

Project: UPM, Finland. Managing & 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 hosted. Deployed & managing Graylog Server with Elasticsearch, MongoDB & Apache Reverse Proxy with SSO. Deployed & managing Uyuni SuseManager Spacewalk server for centralized package management & patching. Managing Linux based FTP, NFS, NTP Servers. Implementation of network teaming/bonding. Migrated RHEL 6 based Apache SSO to RHEL 7 with OTM weblogic application. Implementation of AD authentication using SSSD & Centrify plugin. Management of SAMBA AD shares. Creating new systemd files for custom user services. Linux OS hardening. Managing HPE physical servers and Dell rack servers. Implemented Ansible Playbook on Ansible Tower for Log4J Vulnerability scanning. Bash script for installation of custom RPMs and upgrade of packages. Implementation of Zabbix Server with HA & Zabbix Proxy with advance performance tuning. Implementation of custom application monitoring with Zabbix. Virtualization on VMWare infra with ESXi 6.5,7 with RDM's. Performing LIVE VMOTION. Upgrading VM Ware tools. Create new datastore from LUN. Troubleshooting of all Linux VM's.

Project: HT Media Limited, New Delhi. Monitor and manage the complete Linux infrastructure at Sify Datacenter and AWS Cloud infrastructure. Configuration and installation of Red Hat based machines on VM Ware ESXi 6.0. Managing the Veritas Cluster infrastructure with 8 nodes cluster set-up on VCS version 6.1 and RHEL 6.6. Configuration and management of 2 Node RHEL Pacemaker MariaDB Cluster with Master-Slave replication. Configuring SAMBA (with SSSD & winbind AD authentication) and NFS shares. Configuration of YUM HTTP Server & Spacewalk Server. Configuration and management of Squid Proxy Server. Configuration of FTP server. LVM and disk management. Configuration of LDAP based FTP Server & RedHat IPA Server. Deployment and backup of all website virtual hosting via Nginx and Apache servers. Advanced Linux OS troubleshooting. Deployment of Zabbix Server for 24x7 monitoring. Cluster command-based monitoring via Zabbix. Installation of Zabbix agents via Ansible server. Monitoring of all Linux Servers via Cockpit utility. Alarm triggering via ICINGA monitoring tool. Cloud Watch tool analysis.

Project: Medhaj Techno Concept Pvt. Ltd. Lucknow, Private School & Institutions. Server Administration: Configured and managing HP ProLiant servers with iLO 4 utility, Dell Rack and Tower servers with iDRAC 8 enterprise utility. Configured RAID, NIC teaming, KVM based RHEV virtualization, iSCSI. Installed CentOS 6 & 7, RHEL 6 & 7 & Ubuntu on HP and Dell servers. Configured IBM System x3200 with Windows Server 2008R2. Configured CentOS 7 VM with Webmin with Virtualmin panel. Configured and managing IRedMail Server in CentOS 7.5 with auto-backup for 2000+ users. Configured Spam Assassin, ClamAV, SPF, DKIM, greylisting, whitelisting, blacklisting services. Configured SAMBA 4 Active Directory Server, OpenLDAP Server, IPA Server & 389 Directory Server. Configured VNC server. Configured PostgreSQL & MySQL Database Server with high availability. Managing Linux and Windows servers on Linode & Digital Ocean cloud. Storage Administration: Deployment of Netgear and WD NAS storage with iSCSI-based block storage with CHAP based authentication. Network Administration: Configured and managing Cyberoam CR-50ing, 100ing, Sophos XG210 series firewall. SSL VPN configuration. IP-Sec VPN between two different sites. Migration of firewall from Cyberoam to Sophos XG series. Deployed Ubiquiti edge router ERLite 3. Configuration of UNMS based monitoring system.

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.