SUMMARY:

• Experienced Linux Engineer committed to maintaining cutting edge technical skills in a physical, cloud, or virtual environment.
• Detail - oriented Engineer motivated to drive projects from start to finish as part of a dynamic team.
• Proven mastery with configuring, maintaining, and troubleshooting Linux, Windows, and Mac operating systems to collate monitoring information for data analysis.

TECHNICAL SKILLS:

• Ansible| Docker | Splunk | Nagios | OMD
• Apache | FTP | DNS | Kickstart | SMB | Jira
• Confluence | LDAP | NFS | ESXi | Jenkins
• Tomcat | LVM | Git |SonarQube | Nexus
• AWS| Databases | Centrify |QAS Vastool | Kubernetes | Grafana

PROFESSIONAL EXPERIENCE:

Confidential, Atlanta Georgia

Linux System Administrator

Responsibilities:

• Write Playbooks/Roles from scratch In YAML, install, setup to automate all Systems Administrator/Engineer tasks like patch servers, mount filesystems standardize server configuration, deploy applications, firewall rules, file systems, storage systems job scheduling security, and systems resource monitoring.
• Build, install and configure Red Hat Linux servers in a data center environment.
• Implementation of storage management using LVM, SSM, Fisk, and Parted.
• PostgreSQL database, HAProxy load balancer with SSL/TLS installed.
• Build a fully automated CI/CD pipeline utilizing Docker containers, Jenkins, Maven, Ansible, Git, and Nexus Repository Manager.
• Deploy kernel and security patches via Red Had satellite.
• System automation, orchestration, provision and configuration management using Ansible automation tool.
• Monitor logs for performance analysis, issue debugging, and security problems.
• Create and maintain cloud/virtual servers required for Dev, QA, and Production usage.
• Automate system administrative tasks with bash/python scripting and Ansible adhoc commands or yaml written playbooks.
• Implement advance disk configuration such as RAID 5 using Linux Software RAID program.
• Web service setup with Apache/Nginx, Mariadb
• Solve end-to-end service issues for customers.
• Liaise with vendors to troubleshoot, perform upgrades, and maintain system.
• Diagnose and resolve problems associated with Networking, Firewall and Web-Services.
• Dedicated to successful project completion with excellent communication and interpersonal skills.
• Experienced with support 24/7 on Red Hat Linux Administration.
• Provide assistance with UNIX, AIX and LINUX based platforms in relation to application function and performance.

Confidential

Security Analyst III/System Admin

Responsibilities:

• Integration of Unix/Linux systems with Active Directory Services to enable Single Sign On (SSO) by Leveraging Centrify.
• Work with network administrators to configure and troubleshoot issues emanating from network.
• Centrify Application deployment, upgrade and maintenance in environment consisting of over 10,000+ physical & Virtual servers.
• Develop Ansible Custom modules and create Ansible dynamic inventories
• Develop Ansible playbooks for use in deploying Applications and systems to servers via Ansible Tower
• Build, Monitor, Support Patch and Upgrade Linux servers (RHEL 6&7&8, OEL, CentOS)
• Troubleshoot and fix networking and applications issues
• Resolve incidents tickets on server configuration changes and sub-systems failures and work with Break-Fix team for ticket resolutions
• Establishing a complete DevOps pipeline using various tools: Git, Jenkins, Maven, Docker, Ansible.
• Collaborate with Development and production teams to ensure works smooth running of the pipeline
• Developed an automated process leveraging PowerShell to replicate users, groups and role assignments in Centrify Access manager during rackware server migration.
• Perform servers patching using Red Hat Satellite Server.
• Monitor systems and diagnose, troubleshoot, and resolve hardware/software/application issues
• Provide tier 3 level support for applications and OS related issues while mentoring Tier 1 Helpdesk staff for Centrify application.
• Co-ordinating with different teams for Centrify Deployment(Hadoop,DBA).
• Create and maintain SOP to be used by other Systems Administrators
• Work close to Site reliability engineer team charger with configuring, monitoring, diagnosing, troubleshooting, and resolving incidents tickets on servers hardware issues (CPU, DIMM, PSU, HBA, RAID)

Confidential

Linux System Administrator

Responsibilities:

• Installation/Maintenance of Hardware/Software in Production, Development & Test Environment as an integral part of the Unix/Linux (RHEL 5.x / 6.2, OEL/AIX) Support team.
• Installed and configured RedHat Satellite server for package transfer across servers, to store client's system profile and to control other servers in the network.
• Configuration and installation of multiple Dev.servers using Kickstart.
• Infrastructure consists of multiple-platform environment servers dedicated for building, deploying as well as for development, test and production systems.
• Installation and Configuration of JIRA,Confluence.
• Upgrade of VMwareEsxi Hypervisor from 5.x/6.x andto install, configure and maintain Red Hat Linux.
• Capacity Planning, Infrastructure design and ordering systems.
• Created and scheduled Cron Jobs such as for Backup, System Monitoring and removed unnecessary files.
• Configuration of LVM and managed it.
• Oversees and manages the installation of software tools providing systems level monitoring.
• Works with the team to develop system administration operations documentation
• Generate and drive Continuous Improvement initiatives aimed at improving business performance.
• Proactively monitors and addresses issues with system performance and capacity.
• Participate in an on-call rotation of 24x7 support and be flexible in availability as needed.

Confidential, Washington Dc

Linux System Administrator

Responsibilities:

• Implemented day-to-day tasks in RedHat Linux that include upgrading rpms, kernel, HBA driver, configuring SAN Disks, multipathing and LVM file system
• Installed, configured, maintained and administered the network servers DNS, DHCP, NIS, NFS, SENDMAIL.
• Worked with DBA's to install RDBMS database, restore and generate logs.
• Involved in adding new disks, formatting, partitioning, disk space allocation, monitoring system performance, system tuning, and crash recovery issues.
• Installation and maintenance of NFS, FTP and Samba for file sharing.
• Built Linux servers using VMWare ESX and VMWare ESXi.
• Set up repositories for Redhat, implemented YUM, SSH and other security tools.
• Application of Load Balancer in the Virtual Linux Server.
• Daily system monitoring using commands like vmstat, iostat, top, tcpdump, defrags and so on for efficient server operation.
• Package management like Install, remove and update and querying packages using RPM tool.
• Implemented Spacewalk Open Source (RedHat Satellite Server) System management application for auto provisioning, software grouping, custom package channel, system inventory, auto deploying patches and monitoring of RedHat Servers.
• Implemented open source base monitoring tool Nagios 3.0 for servers, SAN switches, EMC SAN Storage and VMware ESX and ESXi.