Linux Operations Engineer
Resume:
Y+
Huntington, NY
****.*********@*****.***
SKILLS
VMware
VCenter
VSphere
ESXi Host
Clustering
HA
DRS
NFS
DNS
DHCP
FTP
VSFTP
HTTP
Apache
Samba
PXE boot
Kick start
YUM
RPM
DNF
Apt-get
Patching
Deploying, configuring Servers
Kernel Tuning
Performance Management
Change Management
Incident management
Network Management
Troubleshooting
Disaster recovery
User Management
CentOS
RHEL
Ubuntu
Gdisk
Fdisk
ILO & IDRAC
LVM
RAID
NAS
SAN
Ansible
Playbooks
Roles
Gitlab
Active directory
LDAP
IAM
EC2
Cloud Formation
EBS
EFS
S3
Glacier
Docker
Jira
SNOW
Splunk
Dynatrace
Bash
Python Scripting
EDUCATION GH SCHOOL
GCSE O & A Levels
D A Public School, Karachi, Pakistan
May 2010
SAAD RAEES
SUMMARY
A highly skilled and results-oriented Linux Operations Engineer with 6+ years of experience in the IT industry, bringing a blend of technical expertise, problem-solving acumen, and a commitment to continuous learning. Possesses in-depth knowledge of Linux server administration, encompassing both physical and virtual environments. Demonstrated proficiency in utilizing VMware technology and AWS for provisioning, configuring, maintaining, and managing Linux servers. Managing networking, user, file system, storage, and performance management, along with troubleshooting. Acumen of automation with Ansible and deploying apps in Docker Containers and managing code in remote repository i.e. GIT lab.
EXPERIENCE
LINUX OPERATIONS ENGINEER
IBM NYC, USA July 2021 - Current
Proficient in installing and configuring Linux servers in both production and staging environments, utilizing standard build tools like pxeboot and leveraging in-house tools for enhanced efficiency
Proven ability to support VMware environments comprising ESXi hypervisor 5.0, 5.5, and 6.7, ensuring high availability and fault tolerance
Enhancing visibility, ensuring remote access and management with vcenter
Responding to incidents and adhering to the company's service level agreement by initiating change requests as required
Administering flexible SAN storage by leveraging LVM capabilities, including extending or reducing volume groups (VG) or logical volumes (LV), migrating LVM partitions, and restoring file systems through LVM snapshots
Optimizing system performance and enhancing speed through Kernel Tuning using the Sysctl command to dynamically modify kernel parameters and ensure their persistence across reboots
Identifying opportunities for process improvement and implement changes to enhance the overall reliability and efficiency of the Linux environment
Proficiency in automated server builds, standardizing images, and overseeing Linux systems through centralized management tools like Satellite and Ansible
Developing Ansible playbooks to streamline repetitive tasks, facilitate rapid deployment of critical applications, address tasks such as OS hardening, user creation, patching, configuration management, server monitoring and proactively manage changes
Utilizing Ansible Tower to configure, patch and scheduling jobs
Collecting and aggregating log data from various sources within the Linux environment, including system logs, application logs, and custom log files by employing Splunk to monitor the health and performance of the infrastructure
Extensive experience in GIT version control, skillfully maintaining source code in GIT LAB, with proficiency in tasks like pulling, pushing, and managing modifications and updates to repositories
Demonstrating proficiency in Amazon Web Services (AWS) and hands-on experience with AWS services such as EC2, ELB, S3, Glacier, IAM, EBS, and CloudWatch
Launching AWS EC2 instances, adding in target groups, establishing application load balancers, configuring auto-scaling using templates and ensuring high availability
Implementing container-based deployments through Docker, involving tasks like pulling Docker images and deploying docker containers
Managing Docker Containers, including actions like starting, stopping, killing, running, and port mapping
Familiar with Kubernetes to orchestrate the deployment, scaling, and management of Docker containers.
LINUX ADMINISTRATOR
Dupont Wilmington, DE November 2018 - June 2021
Demonstrated proficiency in Linux administration, encompassing tasks such as user creation, group management, file administration, and the management of user access and privileges
Monitored infrastructure, system operations, and critical application services around the clock
Extracted information and statistics related to system capacity limits, data storage, and system utilization
Responded to critical outages and restoring services within the agreed-upon service levels
Installed and upgraded of packages and patches on RHEL servers using RPM and YUM
Familiarity with various run levels, experience of recovering root password on RHEL servers using single-user mode
Created templates for provisioning new VMs and meticulously taken snapshots before patching and decommissioning VMs to maintain system integrity
Expert level in troubleshooting and resolving system performance issues by fixing bottlenecks such as CPU, memory, and disk I/O using command tools for effective performance monitoring
Maintained various RAID levels, understanding the specific advantages, disadvantages, and requirements associated with each level, including mirroring, striping, and parity
Managed various file systems to optimize their benefits based on their specific characteristics, while ensured the overall consistency and integrity of the file systems
Created entries in FSTAB for the permanent mounting of file systems
Hand-on with partitioning tools such as fdisk and gdisk for effective disk partitioning and formatted disk with appropriate filesystem
Set up an NFS server, configured permissions for NFS Share, and facilitated file sharing for NFS clients to access essential resources
Automated various day to day tasks, including user account creation, file system size monitoring, system resource monitoring, using Bash scripts
Implemented security measures, including firewall configuration and regular security audits
Managed system backups and implemented disaster recovery plans
Troubleshot and resolved system-related issues, ensuring minimal downtime
Conducted system performance tuning for optimal efficiency.
LINUX ANALYST
Xandr NYC, USA November 2017 - October 2018
Installed hardware components and managed cabling
Addressed and resolved connectivity issues
Created and managed user accounts, adjusted user permissions, and maintained user and file systems
Assisted with data migration tasks using tools like tar and gzip, followed by SCP for the actual migration process
Examined system hardware, reviewed system logs, generated reports on file systems, and performed file manipulation
Implemented regular system backups according to established policies
Monitored the overall health of servers and promptly escalated issues to the relevant teams
Established SSH key-based authentication for enhanced security
Identified and resolved configuration-related issues and other system discrepancies through thorough analysis
Created Bash scripts to efficiently obtain essential system-related information and analyzed.
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