Khizar Hayat

Linux & DevOps Engineer

Experience

Linux Engineer at CBS

March 2024 – Present
active (running)
  • Built and managed Kubernetes resources including pods, services, deployments, and persistent volumes to support application deployments and updates; leveraged Kubernetes to automate and control rollouts for production-grade environments.
  • Developed Terraform modules to standardize architecture deployments and keep infrastructure consistent and auditable across environments, accelerating developer velocity and reducing configuration drift.
  • Designed and provisioned AWS infrastructure with EC2, S3, EBS, EFS, Elastic Load Balancers, Auto Scaling, IAM, and CloudWatch to support highly available and cost-efficient environments; integrated Route 53 DNS and implemented proactive monitoring via CloudWatch and Splunk.
  • Automated Docker service deployment for the microservices stack with Ansible playbooks, Ansible roles, and Ansible Tower across multiple nodes; built Docker images with Dockerfiles and managed Docker Compose and Docker volumes for robust containerization.
  • Collaborated with distributed teams through Git and GitLab, and led RCA investigations using dmesg, journalctl, and systemd logs to document and prevent recurring issues, utilizing ServiceNow for incident tracking and resolution.

Linux Administrator at Hewlett Packard Enterprise

March 2022 – February 2024
  • Automated server deployment and service configuration with Ansible playbooks, including handlers and tags for modular execution across multiple nodes and environments.
  • Monitored network parameters and server resources with Nagios, maintaining 99.8% uptime for the systems; performed daily health checks and incident response on production environments.
  • Managed AWS IAM users, groups, roles, and policies, and built and used S3 buckets and Glacier for storage and backup with policy controls; configured storage management using LVM.
  • Maintained Docker repositories, images, and running containers to support container-based environments, and optimized deployment workflows for reliability and scalability.

Linux Support Technician at Honeywell

February 2021 – January 2022
  • Supported Linux systems through a 24x7 on-call rotation, responding to issues promptly and escalating errors when needed; participated in incident management and system troubleshooting.
  • Monitored system performance, disk space, and capacity planning to help maintain high availability of infrastructure, and tuned performance to meet operational standards.
  • Automated password-less remote administration by pushing SSH keys for secure access and automation purposes; maintained user accounts and enhanced data security by following company protocols.

Education

Bachelor’s in Computer Science at Queens College

2025

Certifications

RHCSA – Red Hat Certified System Administrator

Skills

Container orchestration
Kubernetes, Docker, Helm, Docker Compose
CI/CD & DevOps
GitLab CI, Git, GitHub, Bitbucket, Ansible, Ansible Tower
Cloud platforms
AWS (EC2, S3, EBS, EFS, ELB, Auto Scaling, IAM, CloudWatch, Route 53)
Infrastructure as code
Terraform, Bash scripting, Kickstart/PXE
Monitoring & observability
Prometheus, Grafana, Nagios, CloudWatch, Splunk
Operating systems
RHEL, CentOS, OEL, Debian
Virtualization
VMware ESXi, vSphere, vCenter, vMotion
Storage & networking
SAN, NFS, LVM, RAID, DNS, load balancing
User & access management
Active Directory, OpenLDAP, IAM, ACLs