Senior Linux Systems Engineer with DevOps Expertise
Resume:
Mehwish Bibi *******.********@*****.***
PROFESSIONAL EXPERIENCE:
Results-driven Linux Systems Engineer professional with over 6 years of experience delivering, supporting, and optimizing enterprise infrastructure across on-premises and cloud environments. Demonstrated expertise in Red Hat–based Linux platforms, encompassing system buildouts, upgrades, patch management, performance analysis, kernel optimization, and virtualized infrastructure. Strong hands-on experience with VMware, AWS complemented by automation, monitoring, and DevOps tools including Ansible, Nagios, Docker, Git, and Kubernetes.Recognized for strong analytical thinking, effective troubleshooting, and the ability to lead technical initiatives and collaborate across teams in fast-paced, high-availability environments. Motivated to contribute technical leadership and operational excellence within a growth-oriented organization focused on scalable and reliable systems.
TECHNICAL SKILLS:
●Operating system: Red Hat Enterprise Linux, CentOS, Oracle, Windows.
●Cloud (AWS): EC2, IAM, AMI, S3, CloudWatch, Route 53, ELB
●Hardware: HP and DELL servers
●Monitoring Tools: Zabbix, Nagios, Prometheus, and Grafana.
●Software: MicrosoftOffice, VisualStudio, Notepad, WinSCP, Putty
●Automation: Ansible, Ansible Tower Devops: Docker, Kubernetes,CI/CD
●Virtual hosting: VMware ESXi, Vcenter, vSphere, Vmotion, OVM, KVM
● Version Control: Git, GitLab
●TicketingTools: BMCRemedy,Jira, SNOW
●Networking and network protocols: SMTP, NTP, HTTP, DHCP, TCP/IP, UDP, DNS, DHCP and SSH
●Applications/ Utilities/ Protocols: Apache, RAID, SSH, TCP/IP, LDAP, LVM, FTP, Nagios, Splunk, Service Now
●Servers: Pxe boot, Kickstart and RedHat Satellite
●Filesystems: EXT3, EXT4, XFS,NFS
●Tuning: Performance Tuning, Kernel Tuning
●Languages: Bash, yaml,
●Storage: NFS, LVM, Raid, S3, SAN
WORK HISTORY:
Cisco Systems, Inc. - San Jose, CA June 2023 – Current Linux Systems Engineer
Responsibilities
●Enhanced Linux system responsiveness and stability by analyzing performance metrics and implementing targeted resource optimization strategies across varied infrastructure environments.
●Designed and administered Linux storage using Logical Volume Manager (LVM), including volume group management, logical volume resizing, and capacity planning.
●Implemented infrastructure automation using Ansible, developing structured playbooks and executing ad-hoc operations to standardize configuration and deployment workflows.
●Designed and ongoing maintenance of Linux infrastructure automation frameworks to improve consistency, scalability, and operational efficiency.
●Utilized Git for source control, managing repositories, branches, merges, and collaboration workflows across infrastructure and application teams.
●Built, deployed, and maintained Docker-based container solutions, optimizing application runtime performance and deployment consistency.
●Supported and managed Kubernetes environments, orchestrating containerized workloads to ensure scalability, resilience, and efficient resource allocation.
●Configured and managed AWS load balancing solutions (ELB) to distribute application traffic effectively and maintain high availability.
●Administered AWS services including EC2, S3, CloudWatch, and IAM, implementing access controls and monitoring to support secure and reliable cloud operations.
●Delivered automation-first Linux infrastructure solutions leveraging Ansible, Docker, Kubernetes, and Jenkins.
●Extensive hands-on experience administering Unix/Linux environments, including RHEL, and CentOS, covering system installation, configuration, patching, upgrades, and advanced troubleshooting.
●Proven ability to perform and manage UNIX system builds, ensuring consistency, reliability, and compliance with standards.
●Linux System Debugging: Log analysis (journalctl, syslog), process tracing (strace, ltrace), performance monitoring (top, htop, vmstat, iostat), network diagnostics (tcpdump, netstat), kernel and service troubleshooting.
●In-depth understanding of enterprise patch and lifecycle management tools.
●Solid knowledge of networking fundamentals such as TCP/IP, DNS, SSH, and system connectivity, with the ability to troubleshoot issues in complex, distributed environments.
●Experience managing virtualized and containerized environments, including VMware with hands-on knowledge of VM provisioning, cloning, migration, and remote administration.
●Strong background in system security best practices, including user and access management, OS hardening, vulnerability remediation, patching, and compliance standards.
●Operational experience with Ansible for infrastructure automation and infrastructure-as-code implementations.
●Excellent communication, collaboration, and problem-solving skills, enabling effective coordination with cross-functional teams and rapid resolution of production issues, Windows Server and Desktop environments.
Verizon Media - Bedminster, NJ Nov 2020 – Apr 2023 Linux System Administrator
Responsibilities
●Executed automated server provisioning and OS deployments using Red Hat Satellite, PXE, and Kickstart, ensuring standardized and repeatable builds across environments.
●Managed YUM and RPM–based package ecosystems, including creation, synchronization, and maintenance of custom application repositories for controlled software distribution.
●Administered and supported RHEL 6, 7, 8, 9 systems, delivering performance tuning, system optimization, and production-level operational support.
●Diagnosed and resolved low-level system issues related to bootloaders (GRUB) and out-of-band management interfaces such as iLO and iDRAC.
●Implemented and maintained Veritas NetBackup solutions to support enterprise backup, recovery, and disaster recovery requirements.
●Integrated Linux systems with Active Directory, supporting centralized authentication, user management, and domain services.
●Performed system backups and restorations using NetBackup, ensuring data protection and recoverability across critical systems.
●Deployed and managed NFS servers and clients, ensuring secure and reliable network-based file access across environments.
●Provisioned and managed Linux virtual machines on VMware ESXi, supporting scalable and highly available infrastructure.
●Configured and maintained multiple RAID levels on Dell and HP servers to enhance storage resilience and performance.
●Built and maintained local YUM repositories to support patching and software installation in offline or restricted environments.
●Participated in disaster recovery operations, securely replicating and restoring production data to DR environments to ensure business continuity.
●Supported application teams by performing kernel tuning, adjusting kernel parameters via configuration files and command-line tools to optimize system performance.
●Managed and resolved service requests, incidents, and change activities through BMC Remedy, ensuring timely resolution in accordance with operational SLAs.
●Diagnosed Linux server and network issues using advanced command-line utilities including top, tcpdump, traceroute, telnet, and nslookup.
●Implemented and maintained NIC bonding configurations to improve network throughput, redundancy, and fault tolerance.
●Identified, corrected, and validated configuration issues to restore system stability and prevent recurring incidents.
DTCC - New York, NY May 2019 – Oct 2020 Linux Support Technician
Responsibilities
●Evaluated customer server environments and provided technical recommendations to system administrators for performance and reliability improvements.
●Provided support for Linux systems, resolving user, system, and service-related issues
●Managed Linux user accounts, groups, passwords, and sudo access
●Monitored system health (CPU, memory, disk) and responded to alerts
●Troubleshot service failures using systemctl and log analysis
●Analyzed system and application logs using journalctl, grep, tail
●Installed, updated, and removed packages using YUM/DNF/APT
●Managed file systems, permissions, and ownership issues
●Identified and resolved disk space and performance issues
●Performed basic network troubleshooting (SSH, ports, connectivity)
EDUCATION:
●Bachelor’s in science - 2012 from KMU, Peshawar
CERTIFICATIONS:
●Red Hat Certified System Administrator (RHCSA)
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