SUMMARY

• Highly competent Linux System Administrator/Engineer with 5 plus years of technical, operating and support experience.
• Skilled in maintaining, supporting and troubleshooting diverse networked computing environments. Acquaint with DevOps utilities such as Ansible, Git, Docker, Cloud (AWS) and knowledge of Kubernetes and Terraform.
• Willing and eager to learn and take part in new and challenging projects, independently or part of a productive team.

TECHNICAL SKILLS

DevOps Tools: Ansible, Git, Docker

Cloud: Amazon Web Services - IAM, EC2, S3, VPC, ASG, ELB, Cloud Watch

Virtualization: VMware - vCenter, vSphere, ESXi 5.5 and 6.7

Software Management: YUM | RPM | dnf

Monitoring: Nagios XI, Nagios Core

Ticketing Tools: BMC Remedy, ServiceNow

Servers: NFS | FTP | TFTP | SAMBA | APACHE | DNS | DHCP | autofs

Scripts: Bash

Networking Protocol: TCP/IP, Switches, Routers, TCP, UDP, OSI

Server Management: Red Hat and CentOS - 6, 7, 8

PROFESSIONAL EXPERIENCE

Confidential - New York, NY

Linux Engineer

Responsibilities:

• Using Ansible to configure, automate, and deploy configuration management within the existing infrastructure.
• Regularly executing ad-hoc commands using Ansible and running playbooks to perform tasks, install applications, and deploy changes on multiple servers. And using Ansible handlers, tag and when in playbooks to help limit tasks to as need to be basis.
• Experience working with Ansible tower to fetch playbook and schedule jobs.
• Experience with container-based deployments using Docker, working with Docker images, Docker compose, Docker Hub and Docker registries.
• Container management i.e., automate Docker container deployment as needed by the application team.
• Knowledge of Amazon Web Services (AWS) resources. Working with IAM to create users and groups, define roles and policies.
• Provisioning EC2 instances with auto scaling groups and elastic load balancing to handle traffics in case of surge.
• Installing application on EC2 instances and configuring storage on EBS volumes and S3 buckets.
• Using Cloud Watch to creating alarms and notifications for EC2 instances.
• Utilizing GIT repositories to track and implement changes.
• Responding to large number of tickets involving support on all RHEL and Unix systems.
• Responsible for complete user management including creating, modifying, and deleting user accounts on Linux and Windows systems (Active Directory).
• Hands on experience creating and managing LVM storage. Extending and resizing LVM volume base on requirements.
• Deploying NFS as client/server application to access files in environment.
• Configuring and managing virtual environments using ESXi, vSphere, and vCenter.
• Worked with VCSA server to enables HA and DRS on virtual servers and performs vMotion when requires.
• Providing daily system maintenance and monitoring of servers and cloud infrastructure.
• Worked on different patching projects to patch servers regularly with in-house tool to keep the servers secure and up to date.
• Responsible for providing technical support and solving issues associated with daily system administration, operations, monitoring and repairs for large-scale Linux-based server environment.
• Recognizes and troubleshoots problems with Linus server hardware, operation systems and applications software.
• Installation, configuration & administration of Red Hat 5.8, 6.3 & 7.2 and CentOS.
• Maintains and supports virtualization technology using VMware and Red Hat virtualization.
• Worked with vCenter and converting physical servers to virtual machines using VMware tools.
• Installation and configuration of VM’s in VMware ESXi 5.0, 5.1 and troubleshooting of VMware and ESXi servers.

Confidential - New York, NY

Linux Administrator

Responsibilities:

• Performed installation, configuration, upgrades, package administration and support for Linux systems.
• Package management using YUM, RPM and to update in Red Hat Linux and CentOS.
• Regularly updated servers through RedHat Satellite server to ensure system reliability and security.
• Setup secured password-less SSH authentication on servers using SSH keys.
• Installed and configured various services like NFS, SSH and Apache web Server.
• Worked with NFS, Samba, FTP for smooth transfer of files between local and remote servers.
• Configuring round robin in NIC bonding for servers that experienced high network latency and load; use the active backup mode for more mission critical servers.
• Monitored performance of CPU, memory, disk utilization and network using various monitoring tools like Nagios.
• Resolved system errors, disk space issues, managed disk labels and reconfigured devices.
• Provided user support for level 1 and 2 issues via email and ticketing system.
• Analyzed log files and deleted unnecessary logs according to the company’s policy to free up space on servers.
• Updated team’s documentation portal

Confidential - New York, NY

Support Technician

Responsibilities:

• Worked with different physical servers to rack and stack in data center and providing desktop support to end users.
• Hands on experience in HP Gen (8-9), Power Edge R series Dell servers, and UCS blade servers. Racked and stacked, troubleshoot various hardware issues with ILO, iDRAC, KVM consoles, configured RAID levels.
• Worked on installing Linux and maintaining it for Confidential clients.
• Performed user management adding users and groups and working permissions.
• Monitored and reported server issues as well as performed desktop and server upgrades.
• Act in respond to all incoming contacts (phone, email, online, in-person) in regards to technical issues.
• Backup servers according to company guidelines.
• Attended Red Hat training courses sponsored by Confidential .