Linux System Administrator - Verizon - Washington, DC
(2023-06)
- Ensures continuous delivery of technical services through oversight of Service Level Agreements with End Users and monitoring of systems, programs and equipment performance.
- Automation of tasks using a combination of scripting and configuration management systems.
- Troubleshoot and perform break-fix tasks on all systems as necessary including servers, appliances and systems.
- Support, maintain, troubleshoot, install, configure, and upgrade multiple applications
- Innovative critical and creative thinking to evaluate and solve issues
- Evaluate server load and work with technical lead to implement tuning recommendations
- Support server maintenance and special projects
- Perform operating system software updates/upgrades
- Respond to incidents, change request, and service requests making sure to follow up with customer to ensure completion
- Perform daily system monitoring
- Verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups
- Participate in a Scrum process with weekly planning
Linux System Administrator - United Health Group - Washington, DC
(2021-12 - 2023-04)
- Ensures continuous delivery of technical services through oversight of Service Level Agreements with End Users and monitoring of systems, programs and equipment performance.
- Automation of tasks using a combination of ansible and bash scripting and configuration management systems.
- Troubleshoot and perform break-fix tasks on all systems as necessary including servers, appliances and systems.
- Support, maintain, troubleshoot, install, configure, and upgrade multiple applications.
- Innovative critical and creative thinking to evaluate and solve issues
- Create and execute implementation plans for various projects such as migration and application upgrades
- Perform operating system software updates/upgrades by patching on a monthly schedule.
- Respond to incidents, change request, and service requests making sure to follow up with customer to ensure completion
- Verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups
- Participate in a Scrum process with weekly planning
System Administrator - Walmart - Oxon Hill, MD
(2018-05 - 2021-11)
- Selection, installation, configuration, and integration of hardware and software in support of program requirements and as directed by technical leadership.
- Managing UNIX Infrastructure and maintenance of Linux servers and troubleshooting problems in the environment.
- Provisioned & Configured Red Hat operating systems according to business requirements.
- Planned and managed configuration changes to the servers adhering with change management processes.
- Troubleshooting issues ranging from RHEL, Centos and Windows environments.
- Created and modified User accounts, group ownerships and Access control list
- Monitor system resources, logs, disk usage, task scheduling, backups and restore with Nagios/OMD.
- Implemented the use of Monitoring tools i.e. Nagios and Checkmk for monitoring and analyzing the network loads on individual machines by implementing custom monitoring, notifications and dashboard to produce various metrics.
- Maintained and executed build scripts by coordinating with development and QA teams.
- Responsible in doing build and deploying on different environments simultaneously.
- Aided developers in resolving problems.
- Deployed the EAR and WAR archives into Apache Servers.
- Monitor progression of releases and keep them on track for delivery on planned release date
- Deployed applications to servers in agile continuous integration environment and automated the process
Quality Engineer - IX Solutions - Largo, MD
(2014-10 - 2018-05)
- Implement and administer Linux Server environment and ensure operational integrity.
- Plan, design, and implement server replication.
- Monitor database performance and optimize via query tuning/indexing or disk I/O analysis.
- Create/debug/assist with database scripts, triggers, database links, and stored procedures.
- Assist developers with database logical designs, creating database objects, and loading and extracting data.
- Help maintain database documentation including design documents, system inventories, SOPs, and inputs to system security plans.
- Develop and execute migration plans for regular upgrades of all SQL Server clusters to the latest version.
