DevOps
Resume:
Qandeel Zahara
Brooklyn, NY
*******.********@*****.***
SUMMARY:
Linux & DevOps Engineer with 6+ years of experience supporting enterprise Linux environments across banking and large-scale technology organizations. Strong expertise in RHEL, CentOS, Oracle Linux, VMware virtualization, automation with Ansible, containerization using Docker and Kubernetes, and cloud infrastructure on AWS. Proven ability to support 24/7 production systems, automate manual operations, remediate security vulnerabilities, and collaborate with cross-functional teams to improve system reliability, scalability, and performance.
TECHNICAL SKILLS:
Operating Systems: Red Hat Enterprise Linux (RHEL) 5, 6, 7, 8, 9, CentOS, Oracle Linux, Debian, Solaris
Automation & Scripting: Ansible, Bash Scripting, Kickstart, PXE Boot, YAML, Infrastructure as Code (IaC)
Package Management: YUM, Red Hat Satellite, Kernel and system updates, Patch Management
Virtualization: VMware ESXi, vSphere, vCenter, vMotion, VM lifecycle management, Snapshots
Cloud Platforms: AWS EC2, S3, EBS, EFS, ELB, IAM
Containers: Docker, Podman, Kubernetes, Orchestration, Pod deployments
Version Control: Git, GitHub
Monitoring & Logging: Nagios, Splunk, CloudWatch
Backup & Recovery: Veritas NetBackup, rsync, snapshots
Networking Tools & Security: TCP/IP, DNS, DHCP, NFS, SSH, HTTP/HTTPS, tcpdump, hardening, NIC bonding, firewallD, SELinux, traceroute, ping, nslookup, dig, curl, wget, netstat, ss
Performance: CPU, Memory, Disk, Network, IO, top, vmstat, iostat, sar, sosreport
ITSM Tools: ServiceNow, BMC Remedy, Jira Confluence, incident management, change management, on-call support, PagerDuty
Documentation: SOP creation, runbooks, operational documentation, knowledge base maintenance
EMPLOYMENT HISTORY:
Citibank, New York, NY Nov 2023 – Feb 2026
Linux DevOps Engineer
Responsibilities:
Deploying, monitoring, and managed RHEL, OEL and CentOS-based infrastructure. Provisioning and maintaining bare metal and virtual servers.
Migrating VMs across hosts within a HA cluster to perform maintenance tasks on ESXi hosts.
Performing user management, patching, system monitoring, software installation and configuration using Ansible Ad-hoc commands and automating with playbooks.
Manage Git repositories and CI/CD pipelines, automate, deploy workflows, and handle artifacts using Artifactory/GitLab/GitHub.
Write and maintain PowerShell and Bash scripts for automation, reporting, and system operations.
Support Windows Server administration including patching, user/group management, and Active Directory integration.
Supported LDAP/Active Directory integration for Linux authentication and user access management.
Performed in-place RHEL upgrades using Leapp, including pre-upgrade assessments, resolving inhibitors, and ensuring smooth system transitions with minimal downtime Coordinating with DevOps engineers to build Docker containers, moving monolithic apps to microservices, enhancing developer workflow, increasing scalability.
Using Kubernetes for container orchestration and management.
Using GIT for managing playbooks, scripts, Docker files/images and application configurations files.
Managed and monitored AWS cloud infrastructure in TEST and QA environments, provisioning EC2, S3, EBS, EFS, and ELB resources and configuring IAM roles and access policies to support secure, scalable workloads.
Performing Kernel tuning consistent with App and Database teams’ requirements.
Experience with storage systems (SAN, NAS, DAS), configuring RAID levels, configuring storage management using LVM.
Performed end-to-end server decommissioning activities across Linux and UNIX platforms, including RHEL, CentOS, and OEL, following enterprise change and security procedures.
Participate in off-hour implementations, monthly patching cycles, and on-call rotation for production support.
Remediated security vulnerabilities identified by Qualys scans across Linux and UNIX systems (RHEL, CentOS, OEL) by applying OS patches, kernel updates, and configuration hardening.
Operate in an Agile environment using Jira and Confluence for sprint planning, release documentation, and change tracking.
Qualys vulnerability reports reviewed to prioritize high and critical-risk findings and coordinated fixes with security and application teams using approved change processes.
Provided production support for large-scale Linux/UNIX environments, troubleshooting critical incidents related to system performance, patching, storage, and security to ensure high availability and minimal downtime.
Yahoo, Lockport, NY Nov 2020 - Oct 2023
Linux Systems Administrator
Responsibilities:
Deploying and maintaining Linux virtual, cloud and bare metal servers.
Applying patches for kernel updates, operating system updates and system libraries.
Troubleshooting problems with the operating System arose out of the post patching activities.
Installing, configuring and operating network services such as HTTP, HTTPS, DNS, DHCP, FTP, TFTP, NFS, SMTP, SSH, Active Directory.
Working with Dell, HP, hardware servers including racking stacking and configuring Ilo and Idrac access for out of band management services.
Managing users locally, Active Directory (LDAP), setting file permission and ownership changes and sudo configurations on Operating system level.
Setting access control lists (ACLs) on files to handle situations requiring complex user and group access permissions.
Handling users, groups and administrated local password policies. Diagnosed and resolved complex Linux system software and hardware issues as they arise.
Solving complex and critical OS issues related to performance, Network, NFS shares and File system.
Configuring and maintaining NFS with automounting.
Managing Operating System changes to file systems, stops/starts, etc.
Working with incident management tools for better and fast solutions.
Monitoring health of backup servers and actively coordinated with the backup team on daily basis.
Researching and recommending innovative, and where possible, automated approaches for system administration tasks.
Participating in break/fix, patching, and migration and decommissioning of Linux servers.
Managing network connections through iptables, Firewall, SELinux and monitored network traffic/ issues using Wireshark.
FedEx, Buffalo, NY Oct 2019 - Sep 2020
IT Support Technician
Responsibilities:
Monitored system logs on regular basis.
Administered user accounts security groups and setting permissions manually and with command.
Installed software and packages on RHEL servers through YUM, RPM.
Tracked open tickets, monitored progress, escalated, when necessary, followed up and closed items when problems were resolved.
Supported network connectivity troubleshooting, including DNS resolution, IP configuration, and basic firewall checks.
Documented incidents, resolutions, and procedures to improve knowledge base and reduce repeat issues.
Escalated complex system or infrastructure issues to senior administrators with clear technical findings and logs.
EDUCATION AND CERTIFICATION:
Bachelor of Science - 2022
Red Hat Certified System Administrator (RHCSA EX 200)
Certification ID: 260-008-180
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