SUMMARY

• Systems Engineer with over 5 years of expertise in information technology and system administration.
• Track record showcasing technical implementation of different enterprise tools, team and client collaboration in production environments, technical support, application upgrades, migrations, maintenance, and troubleshooting. Proven ability to thrive in demanding deadline driven, fast - paced team environments allowing for a capacity to learn quickly, multitask, and conduct analysis.

CORE COMPETENCIES

• System Planning
• Shell Scripting
• Infrastructure Management
• Incident Management
• Project management
• Process & Tool Implementation
• Issue Resolution
• Event Management
• Network Management
• Hardware Troubleshooting
• System Configuration

TECHNICAL SKILLS

Hardware: Dell PowerEdge R410, R420, R710, R720, R730, Dell Tower Servers T320, T 410, T420, HP

Software: Apache, FTP, DNS, Kickstart, Jenkins, SSH, Putty, MySQL, NFS, SonarQube, Nexus, GitLab, Jira, Confluence, Ansible, Samba, FTP, Maven, Nagios. etc.

PROFESSIONAL EXPERIENCE

Confidential - Owings Mills, MD

Linux System Administrator/ Site Reliability Engineer

Responsibilities:

• Provide support for implementation, troubleshooting and maintenance of IT systems for multiple environments.
• Patch Linux environment as a standalone with Red Hat satellite and Ansible.
• Responsible for build and deployment of packaged scripts on different environments with ansible.
• Built YAML scripts to install, upgrade, manage packages via RPM and YUM package management.
• Leveraged Ansible to create user accounts and manage passwords for the automation of jobs in test, development, and production environments.
• Maintain services once they are live by measuring and monitoring availability, latency, system health and carrying out remediations on infrastructure.
• Created a CI/CD pipeline using Jenkins, Ansible, SonarQube, Nexus, Gitlab for software deployment.
• Strong knowledge in troubleshooting infrastructures in test, pre-prod., and production environments to ensure stability and reliability of the environment.
• Provide and document problem identification, diagnosis, and resolution of issues within a timely manner.
• Document processes, procedures, configurations, and deployment plans.
• Responsible for reliability of machines and hardware, including software and hardware updates, installing new programs.
• Suggest and implement proper tooling around monitoring and logging to enhance visibility into production applications.
• Identify, troubleshoot, and restore network, server and client systems as outages occur or as needed daily.
• Provide support for the dispatch system and hardware problems and remains involved in the resolution process.
• Configure and manage UNIX and Windows operating systems.
• Install/load operating system and application software.
• Manage system infrastructure and any processes related to these systems.
• Provide support for the escalation and communication of status to agency management and internal customers.
• Installs new software releases and system upgrades, evaluates, and installs patches and resolves software conflicts.
• Deploy solutions for administration of systems of Mac and Linux systems.
• Continually evaluate the operations of the environment and assist in the optimization and delivery of server infrastructures.
• Responsible for providing senior level support for Unix team, handle the escalated issues and requests from juniors adhering to SLAs.
• Communicate and coordinate with application support and other IT support teams to provide timely responses for critical requests.
• Administer and maintain an existing local/global server infrastructure including implementation, operational support, and periodic hardware and software maintenance of all infrastructure server.
• Isolate and resolve hardware and software issues involving the applications, the operating system, the hardware, the communications infrastructure.
• Participate as needed in off-hours support.
• Troubleshoot, maintain integrity, and configure network components along with implementing operating systems enhancements to improve reliability and performance.
• Provide support to systems including day-to-day operations, monitoring, and problem resolution.
• Monitor system matrix to ensure stability and reliability of the infrastructure.
• Provision resources as needed for developers.
• Perform user account and access management.
• Responsible for file system administration, user administration, and operating system build procedures.
• Document processes of resolved issues and referred to documented solutions for a faster turnaround.
• Identify, compile, install, and configure, and use open source and commercial software packages for use within the environment.

Environment: Linux Red Hat/Centos 5,6,7, 8, VMware ESXi

Confidential, Largo, MD

Linux Systems Administrator

Responsibilities:

• Development workflow design from ground up and management.
• Repository management using tools like Git, GitLab, GitHub.
• Perform systems installation, configurations, security and maintenance in UNIX, Linux & Window environment utilizing a series of open-source tools.
• Setup development workflow integrating tool like Jira, Jenkins, confluence, and puppet.
• Configuration and application deployment management by writing different manifests.
• Troubleshooting and fixing issue in puppet infrastructure.
• Image servers (Linux/Unix and Window), client computers and remotely manage their applications after deployment.
• Leverage the features of vSphere to maintain constant uptime of our sensitive servers.
• Patch management on both physical, cloud and virtual environment.
• Raid management and hardware support.
• Cloud infrastructure setup and management. (GCP, Digital Ocean & AWS).
• Security management of the cloud environment.
• Creating new file systems on Linux Machine, managing, and checking data Consistency of file systems.
• Setup LAMP stacks (Linux, Apache, MySQL, and PHP).
• Setup and manage Piranha (Load Balancer Cluster) in other to achieve High availability for the company webserver.
• Responsible for installing, monitoring and management of vCenter/VMware environment of virtual servers.
• Ground up setup and debugging of issue on Nagios server and connecting client.
• Setup Nagios server and Cacti Server on Linux Machine to monitor systems uptime, services, and file systems.

Environment: Linux Red Hat/Centos 5,6,7, VMware ESXi