LINUX OPERATIONS ENGINEER

SUMMARY

HAJRA AHMAD

Work Experience

Wells Fargo NYC, NY

Linux Operations Engineer Oct 2022 - Present

Establishing user accounts and permissions on Amazon Web Services (AWS) with precision, meticulously controlling access to resources.

Reinforcing security measures by implementing multi-factor authentication, adding an additional layer of defense to thwart unauthorized access attempts.

Enhancing the storage capacity of virtual machines on AWS (EC2 instances) by effortlessly attaching extra storage space through Elastic Block Store (EBS) volumes.

Safeguarding data integrity by proficiently backing up virtual machine data and flawlessly restoring it in diverse environments, including Quality Assurance (QA) and Production.

Proactively monitor virtual machine health with automated alerts and notifications, swiftly addressing any anomalies that may arise.

Ensure the vigor of Red Hat Enterprise Linux (RHEL) servers (versions 6, 7, and 8) by skillfully installing and maintaining monitoring software.

Streamline server deployment, configuration, and upgrades by leveraging Ansible, employing meticulously crafted playbooks, roles.

Simplify Ansible operations by managing credentials and organizing server lists through the user-friendly Ansible Tower graphical interface.

Exposed to Docker to construct isolated environments for rigorous testing and seamless development.

Creating Docker images using Docker file and seamlessly deploying them to AWS virtual machines, fostering efficiency in the deployment pipeline.

Ensure high availability and performance by employing advanced tools like Sensu and Nagios to promptly detect and resolve server service issues.

Optimize storage management through the adept use of Logical Volume Manager (LVM), facilitating filesystem resizing without causing downtime.

Elevate network performance and reliability by implementing NIC bonding, a strategic approach to combine multiple network interfaces together and achieving load balance.

Citibank New York, NY

Linux System Admin Oct 2020 - Sep 2022

Orchestrated the seamless deployment of virtual machines on HP ProLiant and Dell blades using the red hat Satellite Server, steered ongoing RHEL 6/7 deployments with finesse.

Navigated the intricacies of server migration and cloning on VMware, perpetually sought innovative tools to elevate deployment efficiency.

Managed VMware cluster and migrated VMs within cluster, migrated storage, managed clones, templates, and enhanced server to support applications.

Demonstrated adept familiarity with Amazon Cloud services, particularly EC2, S3, ensured a nuanced understanding of their dynamic functionalities.

Administrated LVM configurations tailored for diverse disk sizes, instituting a regimen of continuous LVM snapshots and backups for fail-safe disaster recovery.

Spearhead large-scale physical host migrations to virtual machines running on the RHEL OS, facilitating a seamless transition to virtualized environments.

Exhibited prowess in continuous patch management, took care OS and kernel upgrades to perpetually enhanced system performance.

Vigilantly monitored system and application performance, proactively engaged in debugging activities, and offered steadfast support for web hosting applications.

Hands-on with file sharing over the network, exhibited proficiency with SMB and NFS protocols.

Conducted ongoing vulnerability scanning, invigorated systems through continuous hardening practices and software patching to reinforce security.

Expertly configure and optimize RAID levels on HP and Dell servers, perpetually striving for performance improvement and storage efficiency.

Utilized powerful tools and commands such as vmstat, mpstat, sar, and top to scrutinize server performance and optimize resource usage.

Working experience with Nagios monitoring tool, delivered comprehensive reporting of statistics to the team for informed decision-making.

Demonstrate expertise in file system management, orchestrating the continuous upkeep of EXT3, EXT4, and XFS file systems.

Exhibited ongoing expertise in configuring network services, protocols, and troubleshooting, ensured smoothly functioning network infrastructure.

Collaborated with application and database teams, provided continuous troubleshooting support for production outages.

Tackled ongoing firewall and port issues, dissecting logs with precision using netstat and lsof commands to identify and address challenges.

Resolved missing mount points through meticulous additions to /etc/fstab, implementing ongoing solutions via strategically implemented cronjobs.

Honey Well Phoenix, AZ

Linux Help Desk Support Dec 2019 - Sep 2020

Responded to user queries and issues related to Linux operating systems promptly and professionally.

Extended guidance on Linux commands, utilities, and general system usage to help users navigate and perform tasks effectively.

Continuously resolved user’s open tickets, ranging from software glitches to connectivity and hardware malfunctions.

Offered ongoing on-call support to resolve technical issues and verify the functionality of computer systems.

Continuously monitored system performance using monitoring tools and the command-line interface (CLI).

Evaluated and tested various tools and equipment for compatibility with the adapted platform.

Deployed new and repair existing equipment consistently, enabling efficient user task performance.

Assisted users with system configurations, including user account management, file permissions, and system settings.

Provide feedback to system administrators or development teams regarding recurring issues or suggestions for system Performance.

Education 2020

An accomplished Linux Operations Engineer with over 4 years of expertise, currently dedicated to optimizing server and network performance, ensuring security, deploying effective solutions, providing user support, managing storage, and implementing effective monitoring and automation strategies. Proficient in task automation using Ansible and adept at remote repository management through GitLab, contributing to streamlined processes and operational cost reduction. Possesses hands-on experience in micro-services management with Docker and Kubernetes, complemented by a strong background in AWS. Demonstrated a skillful aptitude for troubleshooting and conducting root cause analysis (RCA), ensuring a resilient and high-performing infrastructure.

CONTACT

ad3yr8@r.postjobfree.com

516-***-****

New Jersy

Core Skills

Virtualization (Vmware, Esxi, Vcenter, Vsphere, Hyper -V)

Operating Systems (RHEL, CentOS, OEL)

System Maintenance

Cloud Computing (AWS {EC2, S3, VPC, IAM, EBS, EFS, Cloud-Watch).

Automation(Ansible,Ansible Tower, Playbooks, Roles, Ad Hoc commands)

Storage (LVM,SAN,NAS,NFS/SMB,ISCSI,

RAID,EXT3,EXT4,XFS)

Web Servers (Apache,Nginx)

Containeraization (Docker, Kubernetes)

Scripting and Version Controlling (Bash Scripting, Git, Gitlab)

Networking (NIC teaming, TCP/IP, Routing & Switching, Firewalls (iptables, firewalld)

Security and Performance (Tunning/Hardening (Firewall, Selinux) performance

monitoring (Nagios)

User Management and monitoring (LDAP, Active Directory), Nagios, Splunk

Ticketing Systems (JIRA, SNOW, BMC REMEDY)

F.SC MEDICAL PUNJAB COLLEGE GUJRAT

Soft Skills

Communication Skills

Leadership

Project Management

Business Development

Teamwork

Time Management

Technical Analysis

Innovation

Languages

English

Urdu

Passions

Continual Learning

Constantly keeping up with emerging technologies and emerging skills.

Contact this candidate