Khawar Shahzad
Brooklyn,New York
Summary
A meticulous Linux engineer, dedicated to the meticulous upkeep of highly efficient systems to ensure seamless operations and sustained productivity. Being responsible for supervising routine maintenance assessments and meticulously planning system update timelines, all aimed at minimizing network disruptions.. Genuine passion for fostering collaboration with clients and colleagues, actively participating in the conception and execution of innovative technical resolutions for complex automation and DevOps challenges.
Overview
6
6
years of professional experience
Work History
Devops Engineer
HCL Technologies
03.2022 - Current
- As RedHat Enterprise Linux engineer worked on OS, securing and configuring OS scheduling jobs by using Jenkins
- Performed daily health checks on Linux servers through Infrastructure monitoring tools such as Nagios
- Utilized Tomcat and Apache servers for cloud server management based on Linux
- Monitored and tested application performance to identify potential bottlenecks, develop solutions and collaborate with developers on solution implementation
- Deployed and managed Kubernetes clusters for container orchestration, enabling high availability and scalability for mission-critical applications
- Integrated Jenkins with version control systems (e.g., Git) and deployment tools (e.g., Docker and Kubernetes) for seamless CI/CD workflows
- Created and maintained Bash scripts for log analysis, system monitoring, and data backup, enhancing system reliability and performance
- Utilized Bash scripting to customize and optimize system configurations, tailoring them to specific project requirements
- Designed and maintained infrastructure as code (IaC) using Terraform, enabling the automated provisioning and management of cloud resources
- Orchestrated infrastructure changes using Terraform modules and state management, ensuring infrastructure consistency and traceability
- Automated system updates and upgrades using automation tools
- Familiar with Amazon services EC2, S3 , RDS, VPC, Route 53, CloudWatch, IAM, ECS, SNS
- Configured and managed Amazon EC2 instances to host scalable applications, ensuring high availability and efficient resource utilization
- Implemented data storage solutions using Amazon S3, enabling cost-effective and reliable storage for large datasets
- Designed and maintained Amazon RDS database instances, optimizing performance and ensuring data integrity for mission-critical applications
- Created serverless functions using AWS Lambda to automate tasks and improve system efficiency, reducing operational overhead
- Configured and managed Amazon VPCs to establish secure and isolated network environments, enhancing data privacy and network security
- Set up and maintained DNS services with Amazon Route 53, ensuring seamless domain management and high availability
- Provided 2nd and 3rd level technical support and troubleshooting to internal and external clients
- Responsible for Linux system issues for troubleshooting and remediating by analyzing system logs using system messages and Splunk
- Used Jira ticketing tool to track down, manage, and resolve internal tickets and incidences and used Jira confluence to manage documentation
- Responsible for user management including but not limited to creating new users, privileged escalations of permissions and sudor access
- Worked with version control tools such as Git and Gitlab create pull requests (PR) on GitLab and have changes reviewed before merging to latest feature branch
- Deploy application to Dev and QA environment for testing purpose
- Launched EC2 instances using Linux Amazon images and configured instances with specific applications
- Created monitor alarms for EC2 hosts with help of Cloud Watch
- Worked with Docker images and containers to check all microservices for testing purposes
- Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues
- Experience setting up secure password less sign-on with SSH authentication
- Updated Yum repositories with RPM packages as per client's request
- Resolved issues related to operational components for LAN, WAN and voice systems and also managed and monitored installed systems for highest level of availability.
Linux Engineer
Dell Technologies
03.2021 - 02.2022
- Perform patching on Linux servers and interact with users on a daily basis for Linux-related issues. Expert-level skills in using LVM to segment volume groups into arbitrary logical volumes, enabling flexible partitioning and dynamic volume resizing.
- Resolved issues and escalated problems with knowledgeable support and quality service.
- Implemented, developed, and tested installation and update of file servers, print servers, and application servers.
- Worked with various AWS technologies such as EC2 instances, S3 buckets, VPC, RDS, CloudWatch, IAM, and S3, etc.
- Utilized Amazon CloudWatch for monitoring AWS resources, setting up alarms, and implementing autoscaling to optimize system performance.
- Implemented robust security policies using Amazon IAM, enforcing least privilege access, and enhancing overall system security.
- Orchestrated containerized applications using Amazon ECS, enabling efficient deployment and management of microservices architecture
- Implemented messaging and event-driven architectures using AWS SNS and SQS to enable real-time communication and decoupling of microservices
- Provide support for internally developed tools and process support tickets
- Monitor performance of batch scheduling system and compute servers improve, automate and document processes related to account creation, termination and modification
- Participated in system development life cycle from requirements analysis through system implementation
- Provided technical assistance and support in handling queries and issues related to computer systems
- Managed file systems, which included ext2, ext3, ext4
- Worked with SAN managing physical hard drives
- Ensured end users satisfaction by monitoring and responding quickly and effectively to requests received
- Upgrade systems and processes as required for enhanced functionality and security issue resolution
- Provided support to application team for code releases on Jenkins
- Writing Ansible Playbooks to configure servers simultaneously and to automate daily tasks among multiple servers
- Handling tickets by using ServiceNow interacting with users on a daily basis.
- Implemented DevOps tools such as Jenkins, Kubernetes, Docker for automating deployment process.
- Implemented DevOps automation tools such as Jenkins, Ansible, Chef, Puppet.
- Automated daily system administration activities through Ansible or Puppet playbooks.
- Configured Kubernetes clusters for container orchestration purposes in a multi-cloud environment.
- Maintained source code repositories and performed version control activities using Git.
Linux Administrator
CBS Corp
06.2018 - 02.2021
- Installed, configured, maintained, and supported Red Hat Linux, CentOS 5, 6, and 7 servers.
- Creating logical volumes, extending file systems using LVM.
- Worked on upgrading Virtual Machines, VMware ESXi hosts, and vCenter servers, as well as vSphere.
- Deployment and configuration of virtual machines on VMware ESXi hosts, and registered them with Red Hat Satellite. Took snapshots for backups.
- Setting up secure, passwordless sign-on with SSH authentication.
- Schedule jobs using Linux machines.
- Using PXE BOOT to provision servers and for booting up client machines.
- Researching and recommending innovative, and where possible, automating approaches for system administration tasks.
- Worked on upgrading Virtual Machines, VMware ESXi hosts, and vCenter servers.
- Server migrations on VMware, vMotion, VMware Update Manager.
- Managed TCP and UDP protocols, as well as transferring files over networks using utilities such as SSH, FTP, SCP, and Rsync.
- Decommissioned physical and virtual servers.
- Working with vendor support via email and phone to resolve crucial production cases.
- Documenting processes, best practices, and troubleshooting procedures.
- Maintained smooth operation of multi-user computer systems through collaboration with hardware and network engineers.
- Installed system-wide hardware components, confirming interoperation and compatibility with Linux-based software.
- Troubleshot technical issues related to configuration management tools such as Ansible and Puppet.
- 24HR availability for production issues and maintenance schedule for patching and migration.
- Installing and building physical servers (HP, DELL) and virtual ESXi (VMware).
- Worked with Bash scripts to automate daily tasks.
- Patch Management, Package Installation/Upgrades/Removing.
- Managing critical servers such as DNS, DHCP, NFS, LDAP, and FTP.
- Creating and privatizing AWS Virtual Private Cloud (VPC) and launching instances.
- Creating and managing user accounts and managing system security.
Education
Bachelor of Science -
Brooklyn College
01-2025
Skills
- DevOps best practices
- Operating Systems: Red Hat, CentOS, Ubuntu, Windows
- Virtualization: VMware, vSphere, Hypervisor, KVM, Red Hat, Oracle, OpenStack
- Patching: YUM, RPM, DNF
- Storage: SAN, NAS, NFS, LVM, DR, GlusterFS, Ceph Storage
- DevOps Tools: Ansible, Bash scripting, Git, Docker, Kuberenetes, Jenkins, Terraform
- Application/Servers: TCP/IP, UDP/IP, DNS, HTTPD, NFS, LVM, SSH, RAID, NTP, SAN, Yum Repo, Cron jobs, EC2, WAN
- CI/CD Pipeline: Jenkins, Gitlab
- User Authentication: LDAP and Active Directory, RHIdM, RHDS
- Scripting: Bash and Shell Scripting, Python
- JBoss Application Server, Apache, Nginx, Apache2, Jira, ServiceNow, Confluence, Bamboo, Sharepoint, Microsoft O365, Amazon Web Services, Google Cloud Platform, Azure, Oracle Cloud Infrastructure, Infrastructure as Code, Configuration as Code, GitOps, Cloud Computing, DevSecOps, Site Reliability, Production Support, Incident Management, Change Management Process, Agile,Continuos Deployment,API Development,Incident management
Affiliations
- Recognized for academic excellence and leadership skills during undergraduate studies.
- Participated in campus-wide initiatives promoting leadership development and community engagement.
Timeline
Devops Engineer
HCL Technologies
03.2022 - Current
Linux Engineer
Dell Technologies
03.2021 - 02.2022
Linux Administrator
CBS Corp
06.2018 - 02.2021
Bachelor of Science -
Brooklyn College