System Administrator Linux

Sadia Mehmood

ad862y@r.postjobfree.com

Linux System Administrator

Phone No: 470-***-****

OBJECTIVE

Result-oriented professional having more than 5+ years of experience in the IT industry that excels at managing and executing mainly Linux System administration, Engineering, collaborating with project Teams, interfacing with clients, and deploying technology to build successful solutions for customers. My experience includes working with Red Hat Enterprise Linux Version 6 and 7, CentOS on various platforms i.e. Physical, Virtual, Cloud and Application Virtualization.I am Self-motivated, goal-oriented, good team player, and highly adaptive to changes. Self-starter, self-motivator and quick learner. Excellent interpersonal communication skills. Strong problem-solving skills. Ability to work in a team or on an individual basis.

Skills & Core Competencies:

• Worked with servers running RedHat Linux 5/6/7, CentOS 5/6/7.

• Experience of 5 Years in VMware VSphere 5.0/ 4.0 / ESXi 4.1, ESX 4.0/3.5 and VMware VCenter 4/VCenter 3.5, VDI, VMotion, Storage VMotion, HA, DRS

• Experience Managing ESXI hosts and Troubleshooting

• Experience troubleshooting of issues with Applications, Network, Hardware, naming service etc.

• Technical support, testing, troubleshooting and configuration of naming like NIS, DNS on Linux platform.

• Strong analytical, diagnostics, troubleshooting skills to consistently deliver productive technological solutions.

• Automating tasks, managed web applications, configuration files, users using Ansible • Implement Open SSH based security for the RedHat and CentOS.

• Network troubleshooting (iptables and firewalls)

• Setting up CRON jobs

• Installing, managing, upgrading, patching servers

• Implementing Kickstart / PXEboot configuration for automating Linux installations. • 24x7 Technical support and troubleshooting in Performance Monitoring of CPU, Memory, Disks, Networking using various monitoring tools like Nagios. • Experience in Storage Management

• Experience in Logical Volume Management

• Experience in SAR, TOP, VMSTAT, IOSTAT

• Experience in Kernel Tuning

• Experience with ORACLE VM

• Shell Scripting -BASH

• Monitoring performance tuning in RedHat and CentOS servers.

• On-going reviews of systems design, working with a team to constantly improve service offerings.

• Experience with Redhat Clusters RHEL6/7 and Troubleshooting to Manage NODES • Have exposure in Active Directory

• Experience in Solaris

• Keep current on technologies by attending seminary and meet ups.

• Worked On Bridges for Production Impact

UPS Mahwah NJ

March 2020 to Oct 2021

Linux System Administrator

• Monitoring & troubleshooting with performance related issues.

• Ticket assessment on a daily basis.

• Swap space management.

• Experience working with Logical Volume Management

• Experience with HP and DELL Vendors

• Experience with JAVA instances SCS Alert

• Experience with RedHat Clustering Rhel 6/7

• Server Hardware support like Dell PowerEdge and HP Proliant. • Adding disks and creating slices and file system administration.

• Experience in User management, configuration management

• Experience in SAR, TOP, VMSTAT

• Worked on user Administration setup and maintaining Account.

• Monitoring system activities like CPU, Memory, Disk and Swap space usage. • Upgrading packages and patching systems to maintain the production environment. • Resolving issues ranging from desktop not booting up to server being sluggish. • Performing NIC bonding on RedHat systems for load balancing.

• Experience in system performance tuning configuration.

• Worked with different vendors to order System Parts such as HP/DELL

• Monitored the health of systems to make sure it Stays Healthy

• Resolved DHCP scope issues when clients on a particular LAN weren’t able to obtain IP. • Perform RHEL administration including installations, maintenance, monitoring, patching etc. to meet requirements in production, staging and test environment.

• Experience on Linux kernel, memory upgrades, and swap area.

• Creating permissions for the file and directories and troubleshooting network and firewalls.

•Resolving problems & requirements as per the ticket (Request Tracker) created.

• Experience with Incident Management Such as Service Now

• Installations and upgrading the systems with the new package updates with RPM and YUM.

• Experience in migration from RHEL 6 TO RHEL 7

• Migrated Users from RHEL6 to RHEL7

• have Exposure with Thoughtspot Technology

• Experience in Networking Configuration on Enterprise Level

• SAN/NAS Experience such as Configuration and management

• Implementing Kickstart / PXEboot configuration for automating Linux installations. • Experience With Lupwr Software on Enterprise level

• Performance troubleshooting with tools TOP, VMSTAT, IOSTAT

• Have Experience with Thoughtspot like Installation and Configuration on Rhel6,7

• Bash Scripting

CBS Corporation, NY

Sep 2016 to Jan 2020

Linux System Administrator

• Installing, configuring and updating RedHat and CentOS servers.

• Worked on user Administration setup and maintaining Account.

• Monitoring system activities like CPU, Memory, Disk and Swap space usage. • Upgrading packages and patching systems to maintain the production environment. • Resolving issues ranging from desktop not booting up to server being sluggish. • Performing NIC bonding on RedHat systems for load balancing.

• Experience in system performance tuning configuration.

• Worked with different vendors to order System Parts such as HP/DELL • Resolving problems & requirements as per the ticket (Request Tracker) created. • Monitored the health of systems to make sure it Stays Healthy

• Resolved DHCP scope issues when clients on a particular LAN weren’t able to obtain IP. • Perform RHEL administration including installations, maintenance, monitoring, patching etc. to meet requirements in production, staging and test environment. • Experience on Linux kernel, memory upgrades, and swap area.

• Creating permissions for the file and directories and troubleshooting network and firewalls.

• Experience in SQL

• Experience with Incident Management Such as Service Now

• Installations and upgrading the systems with the new package updates with RPM and YUM.

• Experience in migration from RHEL 6 TO RHEL 7

• Experience in migration from Old Apache Server to OS Platform and Upgrade Apache • Migrated Users from RHEL6 to RHEL7

• Experience With Lupwr Software on Enterprise level

• Experience with Hp and Dell servers, configured ILO & Idrac

• Performance troubleshooting with tools TOP, VMSTAT, IOSTAT

• Installation and configuration of Linux for new build environment.

• Building ESXI servers, adding them to VCenter and moving machines with VMotion. • Virtual Machine administration on Hypervisor ESXi.

• Experience in VCenter infrastructure

• Experience in Hardware issues such as NIC issue, DIMM issues, Bios update, Firmware Upgrade, System Board replacement

• Experience with HP and DELL Vendors

• Experience with JAVA instances SCS Alert

• Experience with RedHat Clustering Rhel 6/7

• Server Hardware support like Dell PowerEdge and HP Proliant. • Adding disks and creating slices and file system administration.

• Experience in LVM to manage volume group, logical and physical partitions and importing new physical volume along Configuration

• NFS configuration & administration.

• Experience in Windows Environment

• Experience with Storage Management

• Monitoring & troubleshooting with performance related issues.

• Ticket assessment on a daily basis.

• Swap space management.

• Job scheduling and automating process using CRON & AT.

• RAID configuration.

• Experience in KickStart

• Installation of Patches and Packages.

• Build a new Virtual machine and physical server.

• Transfer files across the systems on the network used FTP, SCP, and RSYNC commands.

• Configuring and managing Network interfaces.

• Experienced with installing, configuring and managing Docker

• Basic creation and troubleshooting on scripting like Bash.

• Experience in User management, configuration management

• Experience in AWS like Amazon EC2, Amazon S3, IAM

• Experience in Storage Management

• Experience in SAR, TOP, VMSTAT

• Analyze and resolve conflicts related to merging of source code for GIT • Configuration and Administration of Samba in Linux

• Experience in Installation and Configuration of DHCP, DNS and Understanding of TCP/IP

• Worked with developers for efficient SQL query and performance

• Experience working with Logical Volume Management

• Performed Bare-Metal provisioning and of servers on both Linux and Windows OS using BMC BladeLogic

• Manage package Install and Upgrades using YUM and RPM.

• Experience on writing playbooks for Ansible

• Created Containers in Docker

• Container management using Docker by writing Dockerfiles and setting up the automated build on Docker HUB and installing and configuring Kubernetes.

• KICKSTART, SSH, FTP, Package management, Disk Management, Swap and File management, FTP,

• Worked on Bridges to resolve the Production Impact issues

• Knowledge of Microsoft Office

EDUCATION

A.A.S 2018 QueensBorough Community College/Queens College Bachelors

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