Engineer Manager

Faisal Rehman

Phone: 813-***-**** email: adhd6y@r.postjobfree.com

Linux Administrator / Engineer

A motivated Systems Admin with 5 years of experience seeking a challenging and innovating position in Linux system Environment. REDHAT Experienced at Identity Access Management, Configuring, Monitoring, Upgrading, Maintaining systems hardware, software and related infrastructure Strong combination of system administration and communication skills. Strong analytic skills, able to work with technicians from various engineering disciplines to troubleshoot complex system - level issues. Ability to work in a team environment.

Core Qualifications

Operating Systems: Red Hat 5,6&7,8, CentOS, Ubuntu, Windows File System: Ext2, Ext3, Ext4, XFS, AutoFS

Cluster, Migration, HA, DRS, FT, Snapshot, Clone, Temple File Sharing Server: FTP, TFTP,NFS.SAMBA

DevOps Tools: Ansible, Dockers

System Security: Firewall, Iptables, SE Linux

Webserver: Apache, HTTP

Network Installer: PXE boot, Kick-Start, DHCP, TFTP,FTP Network Protocols: TCP/IP, UDP,DNS,DHCP,FTP,SCP,SSH,HTTPD, Router, Switches

Languages: Bash and YAML

Authentication: NIS, LDAP, Active Directory, Port Forwarding, SSH- authentication

Networking: NIC bonding, Network Manager, Network Scripts and configuration files,Channel bonding

Disk Management: Swap, LVM, Fdisk, Gdisk, Parted, Partitiong Hardware: Dell PowerEdge, HP ProLiant Gen, 6,7,8, Rack in Stack Professional Experience

Accenture

Linux Systems Administrator / August 2017 – October 2020

• Installing and configuring of Red Hat Enterprise Linux (5,6,7) severs using Red Hat Satellite and PXE boot in addition to unattended installation using Kickstart, configuring servers using automation like ansible.

• Migration of servers form physical servers to virtual machine and vice versa, also done migration of users, applications and data.

• Maintained User Management, taking care of their privileges and troubleshooting all their issues.

• Managed the File System of all OS. Made sure that all file systems don’t run out of space like inodes. Always make sure that all mounts are properly managed.

• Experience in Red Hat OS, CentOS, Installation, Provisioning, Deploying, Administration and Troubleshooting.

• Able to manage an environment with large number of users. Taking care of creating users, groups, permissions, assigning privileges.

• Installed, Configured and maintained database server MySQL. Troubleshooted database problems and provides RCA.

• Expert in managing logical volume-based servers. Creating and extending volumes so that important mounts do not run out of space. Knowledge of both CLI and GUI version of managing LVM.

• Provisioned Bare metals (hp) and VM. Customized provisioning and bringing it up for production environment.

• Troubleshooting tickets, incidents, which includes storage, network, system related issues, system performance, logging, client requests, using BMC REMEDY.

• Worked closely with other Developers to answer technical questions and serve as SME for linux/unix based platforms.

• Performed updating servers, Patching Using YUM and RPM to patch servers with CLI and tools like Red Hat Satellite on Linux Servers.

• Also patched Window Servers 2012 and 2016, made sure system will boot up and support the production environment.

• Automated deployment of servers, using templates and ANSIBLE.

• Configured Network, filesystem, storage, services for servers.

• Expertise in Server Performance Tuning Upgraded server resources for performance. CPU, HDD, Memory, Network, I/O

• Great approach of making kernel perform to the needs by KERNEL TUNING.

• Performed trouble shooting in KERNEL PANIC issues, bringing servers up when patched, tuned, upgraded.

• Configuring NFS server and client. Making sure the shares are automated. Troubleshooted all issues related to nfs.

• Configuring NTP servers and syncing client machines to their ntp server. Changing time zones according to the company policy.

• Experienced in Virtual Machines provision and deploying and configuring and aware of all utilities VCenter, Cluster, HA, DRS, FT, VMotion, VConverter, Clone, Snapshots.

• Performed CLUSTERING for better performance of OS like NIC-Bonding.

• Understanding of different versions of Linux Server provisioning, Patching, Vulnerability, performance tuning by trouble shooting server downtime activity.

• Configured SAMBA to share data between windows and linux machines within the environment.

• Worked with NETWORKING troubleshooting, assigning IP address, Hostnames, HOSTS Administration.

• Experience with DNS servers and records, troubleshooted and managed them. (A record, PTR record, Name Server record.

• Managed and maintained LVM on SAN with Logical Unit Number, NAS and ISCSI where I created, extended, migrated, mirrored, backed up, performed snapshot and troubleshoot failed LVM. In addition to this, I solved related issues to STORAGE.

• Monitored system performance of CPU, Memory, I/O STATE, Network through tools like Nagios and CLI.

• Automation of configuration and management using ANSIBLE, deployed and managed control node, manage node, playbooks and ad-hoc commands.

• Managed DOCKER deployed servers by maintaining docker host, docker client, docker registry. (running container, stopping image, maintaining containers.)

• Expertized in managing version-controlled environment using GIT for sharing documentation privately and publicly within the environment. Advanced Micro Devices

Jr. Linux Systems Administrator / July 2016 - June 2017

• Responsible for the installation, configuration, management and maintenance over Linux system.

• Installed and configured ESXI hypervisor on Dell and Hp servers

• Experience in Monitoring system performance, troubleshooting system resources preventing exhaustion of (memory,disk I/o,Cpu) using System Activity Report and other related

• Experience in Installing, building, configuring and maintaining new virtual machine with virtualization on private cloud using Vmware, Vsphere etc.

• Implemented and worked on Kickstart/PXE Boot servers to facilitate system deployment and provisioning

• Perform routing patching on severs, package upgrades and security/vulnerability management

• Deploy Configure, manage and troubleshoot NFS servers for Linux Client Servers.

• Deploy and manage Yum repositories servers on Redhat 6,7

• Routinely perform daily application logs review, process management and system maintenance

• Installed and configured Apache HTTP Server on red hat-based system (RHEL 6/ RHEL 7,8)

• Analyze, assess, prioritize and resolve daily task raised through ticketing system

• Configure and administer various storage solutions using Raid, LVM

• Experience in creating, managing LVM storage. Extend, resize and merge LVM volume based on memory needs, file system creation and management

• Package management using RPM & YUM, Disk Management: portioning with fdisk,Gdisk parted etc.

• Create and manage users accounts, assign permissions, Responsible for the Use of Access control list in user management and security (setting permissions)

• Experience configuring and managing troubleshooting Channel Bounding

• Install, maintain, configure as well as troubleshoot (DNS, HTTP, NTP) servers

• Sound Understanding of Networking and managing TCP/IP, DNS, NFS, SSH, VSFTPD

• Experience running ad-hoc commands for daily system administration tasks on Linux servers, using Ansible, Wrote detailed Ansible playbooks

• Utilized AWS to spin EC2 instances of preconfigured RHEL 6 and 7,8 in the cloud

• Created and utilized S3 buckets for storage on AWS, managed and set lifecycle policies to move data across S3 storage

• Maintain and setup CloudWatch on AWS in order to perform system monitoring and facilitate Autoscalling

• Version control management with Git, hosting Github repositories

• Bash shell scripting experience, automate daily administrator task using bash script

• Manage Docker images to support Development and Testing Teams

• Install Docker/Puppet, Manage Registry for local pull and push of Docker images and from enterprise Docker hub repository. In liaison with development team Education

• High School Diploma 2014

Training

• Red Hat System Administration (RHCSA) 2016

• Red Hat System Engineering (RHCSA) 2016

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