Maira Kazmi
Linux System Engineer
Brooklyn New York
**************@*****.***
PROFESSIONAL SUMMARY
A highly skilled Linux System Engineer with robust qualities built over 7 years of experience working in multiple IT companies. Experience involve Performance Optimization, Software Configuration Management, Deployment, and Automation. In addition, Expertise in implementation and operational support of Linux servers and virtual environment like (VMware and AWS,AzureCloud) through provisioning, patching, decommissioning, troubleshooting, storage management, configuration deployment using Bash Scripting, Ansible, Ansible tower and version control using GIT, GITLAB. Worked with docker, Kubernetes & Openshift.
TECHNICAL COMPETENCIES
Operating Systems:
RedHat 6.x, 7.x, CentOS 6.x,7.x, Ubuntu,
File System:
Ext3, Ext4, XFS
Automation:
PXE boot, Kickstart, Ansible, Shell/ Bash scripting, Ansible tower,
Performance Management:
SolarWinds, top, netstat, IO stat, Sar Nagios BMCRemedy CloudWatch,Prometheus
Software Management:
YUM, RPM, RedHat satellite
Storage:
SAN, NAS, NFS, RAID, LVM, DAS,
Virtualization:
VMware, ESXI, vCenter, vSphere, DRS & FT, p2v
DevOps Tools:
Ansible, Git, Docker, CI/CD pipeline, Jenkin and Kubernetes, AWS, Laas,Paas, Elastic(ELK),Azure
User Management: Active directory
Networking: ping, traceroute, Nmap, SSH, TCP/IP &UDP, NIC, NIC Bonding, FTP, HTTP, DHCP, DNS, LDAP
Hardware:
HP & Dell Servers, Cisco Switched, and printers. ILO, IDRAC, RAID
Applications and Protocols:
NFS, FTP, TFTP, Telnet, SSH, HTTPD, ns lookup, tcp dump, DIG, ICPM, DNS, DHCP, LAN, WAN, ssh
PROFESSIONAL EXPERIENCE
Verizon Media, Basking Ridge, NJ
Linux system Engineer
02/2020 – Present
Installing, configuring, upgrading, decommissioning, troubleshooting, maintaining, and managing life cycle of thousands of servers whether they are physical or virtual to ensure system optimization and availability of development, quality assurance and production servers.
in Troubleshooting, Security, Disaster Recovery, Fault tolerance, Performance Monitoring, and Fine-tuning on Linux (Red Hat Linux) Systems.
Utilized Red Hat Satellite server to provision and deploy Red Hat Enterprise Linux servers using PXE Boot and kickstart file.
Constructed Content Views and Activation keys for Host Groups within Red Hat Satellite 6 to maintain subscriptions and Red Hat repositories for patch management.
Worked with Change management, Risk management, and Incident management according to organizational SLAs.
Expert level in orchestration and configuration management by using ad hoc command and constructing customized Ansible playbooks to automate day to day administration tasks.
Automated repetitive tasks using Ansible playbooks written in YAML working amongst customized inventory list of infrastructure hosts.
Experience with Ansible Tower for managing and orchestrating Ansible jobs across multiple environments.
Using different modules like yum, service, copy, line in file, firewall.
Used GIT as version control tool for managing GIT repositories.
Interrogated Git with Ansible Tower to construct projects and templates for infrastructure configuration management.
Responsible for managing disk space dynamically by creating physical volume (PV), volume group (VG)
And logical volume (LV) and formatting, extending, and reducing the logical volume.
Worked with internal application owners and developers to schedule patching at different intervals downtime of servers within the environment.
Problem determination and resolution driven skills to remediate day to day issues all while delegating with internal management and departmental teams within organization.
Troubleshooting Linux servers from memory, CPU, network, and IO devices to remediate latency and sluggish on the systems by using performance monitoring utilities as top, vm stat, io stat, net-stat, MP stat and PS commands.
Configured NFS Server for clients and troubleshoot critical issues related to it.
Working with DevOps methodologies to automate and fill the gap within the development and operations teams amongst the testing teams per project within infrastructure.
Expertise working the AWS Cloud platform, using resources such as Glacier, EC2, S3, Route 53, Elastic Load Balancers (ELB), CloudWatch, VPC/Network Subnets, IAM, and AMI.
Experience with IaaS/PasS solutions such as Cloud AWS, vSphere, Azure, and OpenStack;
Proficient in working with cloud resources like VPCs, Subnets, Security Groups, and Resource Groups.
Able to plan and execute successful cloud migration strategies
Used IAM to create and manage AWS users, groups and use permissions to allow and deny their access.
Hand-on with container technology such as Docker by pulling docker images and deploying Docker containers.
Construct and make docker images using docker files and spinning up containers using docker compose. work with docker hub and registry.
Create and manage Kubernetes pods, clusters and supporting the platform hosting microservices apps on Kubernetes pods with help of developer.
Proficient in deploying, managing, and scaling containerized applications using OpenShift, a Kubernetes-based platform.
Hands-on experience with the OpenShift web console and command-line tools for application deployment and monitoring.
Proficient in providing support for OpenShift deployments.
Used monitoring tools like Prometheus to improve application performance, helps to get the visibility & business context to meet business demands.
Used BMC remedy and one Jira as ticketing tool for giving alert.
Worked with Database, Network, Application, Storage, and security team to resolve issues and provide customer satisfaction.
Dupont, Delaware, DE
Linux Admin
06/2017 - 01/2020
●Familiar and fluent understanding working in a team environment, collaborating with internal clients and departmental teams.
●Managed installation, configuration, operation, and maintenance of Linux systems with Red Hat, CentOS, ubuntu.
●Monitored Linux systems health ensuring backups using NetBackup, scheduling jobs, enabling corn job.
●Advanced file permissions with user and group Administration.
●Writing Bash Scripts to automate daily administrative tasks and achieve objectives within Linux operating system working environment.
●Troubleshoot network performance issues on bridge calls and utilized OS network commands such as Tcp dump, Telnet, ping, and traceroute.
●Managed and used SSH keys to configure password-less SSH for a more secure authentication method for accessing infrastructure app, the web, and databases.
●Troubleshooting Kernel panics, eliminating downtime of the application to boost performance.
● Understanding of pre-patching and post patching issues and communicating with the vendors to resolve issues for the stability of the environment.
●Troubleshoot the various bottlenecks including that found in CPU, memory, disk and network.
●Managed Linux file system, troubleshoot any corruption and ensure their mount point persistence.
●Transferred files within a network using FTP, VSFTP, TFTP, and SCP.
●Collect and analyse centralized logs using Splunk .in addition adding client to Splunk server.
●Manage disk partition and physical storage using utilities FDISK, GDISK, PARTED.
●Hardened Security using SUID, SGID, STICKY BIT.
●Proficient understanding of best practices of Ansible playbooks and roles. Automate patching with ansible and Red Hat satellite.
●Experience in monitoring and capacity planning on mission critical servers with the help of Tivoli.
●Deployed and configured Jira, both hosted and local instances for issue tracking, workflow collaboration, and tool-chain automation.
●Used VCS to provide comprehensive management and administration that simplify the configuration, monitoring, and maintenance of the cluster environment.
●Basic knowledge of python programming language.
●Experience of RAID levels for example RAID (0,1,5,6,10)
●Used Solarwinds as ticketing tool for giving alert.
●Proficient in generating comprehensive reports and visualizations in Nagios, providing valuable insights into system performance and trends.
●Logical Volume Manager is used to manage storage dynamically.
●Managing and installing software packages using RPM, YUM
Data Prise, NYC. NY
Linux Operator
02/2016 - 04/2017
●Examine and propose hardware upgrades based on price to performance ratio when older hardware reaches EOL according to company rule and regulation.
●Coordinated with colleagues to ensure a flawless Operating System upgrade.
●Brought in the intimacy of sys admins of any potential security issues.
●Reviewed logs and pointed out sources of vulnerability issues.
●Performed troubleshooting of printer issues either hardware or network related.
●Provide support to users with password reset.
●Used Nagios as ticketing tool for giving alert.
●Fixed laptops, desktops, printers’ issues.
●Basic knowledge of Autosys tool for job scheduling.
●Performed system repair, preventative maintenance, and executed periodic diagnostic checks.
●Handle user tickets assessment and prioritizing it according to need.
EDUCATION
University of AJK
Master in Chemistry
AJK, Pakistan
2014
TRAINING
Red Hat System Administration 2017
Red Hat System Engineering 2018
Ansible for Devops 2020
Docker and Kubernetes 2021-continue