Ahsan Siddique
Experienced Linux System Administrator with 3.7 Years of expertise in Critical server management, Security solutions, OS patching,Virtualization,and Vulnerability Assessment for Optimal system Performance and Security.
- Role
- Linux System Engineer at SISL Infotech
- Location
- Thane, MH, IN
- LinkedIn followers
- 500 followers
About Ahsan Siddique
Operating Systems: RHEL,Centos, Ubuntu, Windows 2012/12R2/16/19/22.• OS Patching:(Linux: RHEL, Ovel, Windows Server 2012/12R2/16/19/22)• User account management & Ownership permission.• Hand\'s on the basis of the top command Of linux.• Tools & Platforms: VMware, KVM, BigFix, WSUS, Secur infra.• LVM(Logical Volumes Management)• Monitoring Tools: Zabbix, Vrops• Scripting: Bash, Shel,Python(basic).• Web & DB Servers: MySQL • Storage:LVM. RAID.NFS, SAN• Ticketing Tools: ServiceNow• Vulnerability Assessment & Remediation (Qualys).• Networking:SSH, DNS, DHCP, TCP/IR, VPN, LAN/WAN.• Visualization Platforms: VMware VSphere, ESXi, vCenter Server.Hyper-V.• Security: VM snapshots, Patching.VAPT.• Hardware: Cisco UCS servers, Storage devices.• Networking: Basic TCP IP, Patch Panel wiring, switch connectivity.
Experience
Linux System Engineer
Jul 2023 — Present · Navi Mumbai, IN
o I am working as Linux Support Engineer at a Sify Data Centre at Navi Mumbai our project is OICL management we are upgrading the servers of the Data centre.o Managed over 550+ Servers (RHEL Windows)in a 24x7 Production Environment.o Handled L2 Escalations include OS-level Troubleshooting, Performance tuning,and Patch Management.o OS Patching on a Monthly for Windows,Linux and Solaris servers.o Operating Systems:Linux,Windows Server,ESXi, Hyper-V.o Ticket Extend Partition With LVM, FDISK and Memory SWAP as per client requirements.o VM Provisioning and Decommission from VMWARE.o Datastore Storage Mount point Creation.o Cisco Tools tor Physical Servers all Connectivity and healthiness of servers.o User Management-User Creation and deletion.o Virtualization management Tasks for Servers Back up and Reset VMware.o Issue not Resolved by Troubleshooting Raised case to Broadcom & Rad hat.o Zabbix service installation and monitoring tool for all environment servers.o Virtualization:VMware (Vsphere Vcenter),Hyper-V, KVM.o Helped migrate Physical Servers to Virtual infrastructure(P2V).o Provide remote hands support for L2/L3 teams (e.g, rebooting, cable swaps, media swaps).o Performed Quarterly VAPT for internal servers and applications; identified and remediated high-risk Vulnerabilities.
Education
Mumbai University Mumbai
Bsc
2016 — 2019
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