Sana Saeed - System Administrator

Summary

Professionally qualified and results driven IT professional with 6+ years of experience in systems administration and infrastructure engineering, specializing in the day-to-day operations, administration, and support of IT systems. Demonstrated expertise in troubleshooting, recovering, diagnosing, and resolving hardware and software issues, as well as implementing and maintaining IT policies and procedures to ensure system reliability, security, and compliance. Adept at providing high-quality IT customer support, collaborating with cross-functional teams, and managing incident response and change management processes. Quick to adapt and learn new technologies, with a proven track record of delivering technical projects efficiently and supporting organizational IT needs.

Overview

8

years of professional experience

Work History

System Administrator

A&I Distributors

Baltimore

04.2024 - 03.2026

Managed system updates and maintenance schedules to ensure optimal performance and security compliance.
Implemented efficient backup solutions to safeguard critical data against loss or corruption.
Streamlined user account management processes, enhancing access control and security protocols.
Led troubleshooting efforts for network issues, reducing downtime through prompt resolution strategies.
Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
Diagnosed and resolved complex technical issues through in-depth analysis, facilitating uninterrupted business operations.
Enhanced system performance by optimizing server configurations and implementing regular updates.
Improved operational efficiency, leveraging cloud technologies for scalable and cost-effective infrastructure solutions.
Enhanced team efficiency, automating routine administrative tasks to allow focus on strategic initiatives.
Installed and configured network printers and other peripheral devices.
Performed network security design and integration duties.
Led server infrastructure development, quality assurance, staging and production systems.
Developed training materials and conducted workshops to enhance team knowledge of systems and tools.
Simplified troubleshooting processes by creating detailed documentation for system configurations, procedures, and best practices.

Infrastructure Engineer / Linux/Unix Systems Administrator

Barclays Bank

Whippany, NJ

07.2018 - 02.2024

Built and deployed Linux (RHEL/CentOS) servers both physical and virtual using PXE boot and kickstart automation, supporting national & international wide IT operations and system administration.
Decommissioned outdated Linux servers and managed complete user lifecycle (creation, modification, deactivation), ensuring secure and reliable access to IT systems.
Installed and configured Nagios for proactive monitoring, health checks, and alert management, enabling rapid incident detection and response.
Deployed LAMP stack and configured VMware ESXi for virtualization, supporting a range of hardware and software systems within the organization.
Managed network services (start/stop/status), NFS, and NIS for server side connectivity, troubleshooting and resolving issues as reported by users.
Patched servers to maintain compliance and reduce vulnerabilities, implementing policies and procedures to ensure information systems reliability and security.
Maintained Jira queues and participated in incident response and change management, collaborating with help desk teams to resolve routine and complex IT incidents.
Worked on change management and incident management using ServiceNow, ensuring adherence to organizational IT policies.
Configured and managed LVM (Volume Groups, Logical Volumes, Physical Volumes) for dynamic storage needs, supporting system accessibility and performance.
Implemented and maintained NetBackup, including setup and configuration for server backups, ensuring data integrity and recovery.
Administered HP ILO, Dell iDRAC, IBM IMM, and Oracle ILOM for remote server management, supporting day-to-day IT operations.
Installed and configured TSM, TWS, and converted DHCP to static IPs, optimizing network and system configurations.
Performed server hardening using SELinux, iptables, and compliance patching practices, defending against unauthorized access and ensuring system security.
Hardened RHEL environments, ensuring systems met internal and external compliance standards.
Executed V2V migrations across domains with minimal downtime and system disruption, supporting business continuity.
Managed users/data via Likewise and Vastool, ensuring proper provisioning and access control.
Installed/configured PGP, handled Chef user access, and enabled cross forest connectivity, supporting secure and efficient IT operations.
Installed/configured QOMPLX application for enterprise use, supporting organizational IT needs.
Collaborated with vendors to troubleshoot and deploy enterprise applications, ensuring optimal customer experiences.
Created implementation and back-out plans for projects, including pre-deployment testing, supporting rigorous content management and project success.
Led efforts for project coordination, including initiating calls and aligning deliverables with team members and stakeholders.
Automated routine administrative tasks using shell scripting to improve operational efficiency and support help desk policies.
Performed root cause analysis for recurring infrastructure incidents and implemented permanent solutions, enhancing system reliability.
Participated in data center migrations, ensuring minimal downtime and adherence to compliance standards.
Led patching cycles during maintenance windows, collaborating with teams for approvals and execution.
Conducted capacity planning and tuning for critical Linux servers to optimize resource utilization and system performance.
Integrated monitoring alerts with incident response workflows to ensure faster detection and remediation of critical issues.
Documented standard operating procedures (SOPs) for server provisioning, backup, and recovery processes to support team onboarding and audits.

Education

Bachelor of Science - Information Systems Management

York College

Jamaica, NY

12-2017

Skills

Operating Systems: Red Hat 5/6/7/8/9 CentOS 5/6/7 Unix VMware ESXi
Monitoring & Backup Tools: Nagios NetBackup TSM HP ILO Dell iDRAC Oracle ILOM
Scripting & Automation: Shell Scripting Bash Ansible (playbooks, roles) Chef
Networking: TCP/IP DNS DHCP FTP NFS NIS SSH SMTP SFTP AUTOFS RAID
System Management: VMware VSphere vCenter LVM SELinux Iptables

DevOps & Cloud: Amazon Web Services (EC2 Linux OS) YUM RPM QOMPLX
Tools & Platforms: Jira TWS OpenLDAP SYSLOG V2V PGP Git
User & Service Management: LDAP user provisioning volume creation NetBackup configuration
IT Management: System upgrades System Monitoring System updates Technical Support

ADDITIONAL WORK EXPERIENCE

VMware/Virtualization: Configured vSphere, vMotion; created, cloned, and snapshotted VMs.
Backup/Restore: Used NetBackup/tar for system recovery; managed system and network logging.
Linux Administration: Opened/closed firewall ports, configured services (DNS, DHCP, FTP).
Volume & File System: Created/managed volume groups, logical volumes, file systems.
Automation: Managed enterprise configuration using Ansible and Chef; maintained cron jobs.
Monitoring & Security: Implemented Nagios, SELinux, iptables; maintained system logs.
Patch Management: Created and managed YUM repositories for local/system-wide patching.
AWS: Launched EC2 instances; focused on Linux OS troubleshooting in AWS environment.
Scripting: Developed Bash scripts using VI editor; used for task automation and system updates.
Networking Services: Configured and troubleshot TCP/IP, DNS, NFS, LDAP, SMTP, SFTP, AUTOFS, RAID.

Timeline