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Linux System Admin Resume

Richfield, MN

SUMMARY:

Results - driven IT professional seeking a technical specialist position in area of OS/Networking/Storage/ Database Systems Administration”. IT Professional with 5 years of experience in System Administration in the areas of Linux, VMware, and Windows and to pursue a challenging career in an organization that gives me tremendous scope for professional improvement and an opportunity to contribute back to the organization and the professional to the best of my knowledge and abilities.

TECHNICAL SKILLS:

Operating Systems: Linux/Unix Operating Systems (RedHat, Cent OS, Windows )

Monitoring tools: SolarWinds. OMD/Nagios, HP Open view

Networking Tools: DHCP, SMTP, FTP, TFTPApplications: Apache Tomcat, OMD, Jenkins, Jira, Confluence, Bitbucket, Gitlab, PhpMyAdmin, FTP, Kickstart, Lynis, Lamp, Samba, Fail2Ban, Mysql, Puppet, Nessus, Dns

PROFESSIONAL EXPERIENCE:

Linux System Admin

Confidential, Richfield, MN

Responsibilities:

  • Building, administering, monitoring, and troubleshooting RHEL 6.x, CentOS.
  • Providing production support for multiples applications residing on Linux and Windows environments. Making sure Zero-Down time for enterprise critical applications by raising outages, escalations whenever necessary.
  • Raised, handled, and closed multiple Change Management and Trouble Management tickets accordingly with Standards.
  • Responsible for configuring networking concepts like SAMBA, SSH, DNS, DHCP, troubleshooting network problems such as TCP/IP, supporting users in solving their problems.
  • Configure and Implementation of Samba v3.0 to help file sharing in the mixed environment.
  • Mysql Database Server Installation, configuration, database backup, and restoration.
  • Implementing and maintaining an Apache/MySQL/PHP (LAMP) web service environment.
  • Maintenance level upgrades and software administration RPM installation on Linux.
  • Server Monitoring using Omd to track activities, identifying information about the server, including requests, queries, memory usage, and errors, start/stop services, collecting server information. Configure and maintain resources on AWS.
  • Automate and scale processes at all levels of our business systems.
  • Deploy and manage a wide range of components that support web applications such as webservers (Apache, Nginx), databases.
  • Use Nessus to scan for vulnerability and prevent malicious hackers from gaining access
  • Rpm package management using tools apt-get, aptitude, yum, rpm.
  • Developed Cron jobs and Shell Scripts (Shell, bash) for automating administration tasks like file system management, process management, backup and restore.
  • Created Bash Shell scripts to monitor system resources and system maintenance and Performed administrative tasks such as System start-up/shutdown, and Backup strategy and scheduled cron jobs for job automation.
  • Understand the user requirements and creating New projects in JIRA and define project roles.
  • Designing JIRA workflow per the projects, enabling permission schema.
  • Involved in JIRA installation, configuration, and migration.
  • Performing O/S and kernel upgrades on Linux servers.
  • Troubleshoot backup issues, Perform manual backups.
  • Peerformance monitoring troubleshooting using vmstat, free, top, iostat, sar, tcpdump.
  • Troubleshooting branching issues in Git.
  • Issues tracking using ticketing tool JIRA, closing the tickets with in the SLA.
  • Supporting servers on 24x7 basis on different platforms.
  • Install, upgrade, manage and maintain Atlassian tools including JIRA, Confluence, Bitbucket, and others.
  • Document system operations to enable knowledge transfer among the team

Linux System Admin

Confidential, Burtonsville, MD

Responsibilities:

  • Performing database health checks and resolving performance issues.
  • Maintaining patch updates, security hardening, and software and hardware updates to provide for a stable infrastructure.
  • Monitoring server resource utilization and administrating servers to maintain system efficiency using Omd and Nagios
  • Interacting with other system engineers, developers, database administrators, client teams, vendors, and other teams for infrastructure compliance and system certification.
  • Creating and maintaining technical documentation.
  • Working with application developers, database, system, and other IT operations resources to troubleshoot issues and ensure the system is working properly
  • Planning and coordinating outages with application teams, database team, and other stakeholders
  • Making technical recommendations on architecture, capacity planning, security, and system performance optimization
  • Researching, assessing, and implementing Linux administration best practices
  • Analyzing server/system logs to identify health concerns
  • Developing and maintaining scripts to automate administrative activities.
  • Implementing, documenting, and coordinating server and storage policies, procedures, and standards.
  • Kickstart installations and Strong experience with Virtualization tools.
  • Implementing, documenting, and coordinating server and storage policies, procedures, and standards.
  • Ability to work independently as well as in a collaborative environment.
  • Take direction from the team lead and work within a team-environment to achieve organizational goals
  • Provide technical solutions to a wide range of problems and user requests through an established trouble ticketing system.
  • Experience with VMWare software including VSphere and Virtual Desktop Infrastructure.

IT Support

Confidential, Victoria Island, Lagos

Responsibilities:

  • Set up and deployment of new user hardware
  • Ensure requests are completed based on SLAs
  • Plan, monitor, and optimize IT infrastructure to maintain high utilization and capacity
  • Install and upgrade software as needed.
  • Perform routine Data Center monitoring
  • Manage storage system tiers
  • Support on-call rotation for after hour support
  • Provide Knowledge Base updates and create SOPs and other technical documentation
  • Participate in after-hours Data Center maintenance and upgrades
  • Identify and implement improvements to operational capabilities
  • Provide client-facing support/representation/escalation
  • Resolve high level technical issues relative to the proper configuration and operation of systems and equipment
  • Provide escorting/oversight for Vendors working in the Data Center.
  • Educated to degree level in Computer Science or equivalent.
  • Experience with VM configuration.

Junior System Administrator

Confidential

Responsibilities:

  • Experience in creating Virtual and Physical server using kick start for RHEL.
  • Performance tuning including kernel parameter and security.
  • Experience in configuring SAMBA file server.
  • Working with different networking services TCP/IP, DNS, SFTP, SSH.
  • Installing and updating packages.
  • Experience in service now and handling with the different trace tickets and Jira tickets.
  • Directly work on Production support of Linux servers
  • Experience with the VMware virtualization and Hypervisor and ESXI Host.
  • Directly working with the DBA team to maintain the databases host and connection issues
  • Configuration and troubleshooting - LAN and TCP/IP issues.
  • Maintaining proper documentation of all the activities carried out during the project.
  • Setting of the LVM to manage the volume group, logical volume, and physical partitions.
  • Worked with the infrastructure monitoring tools OMD
  • Bash shell scripting for system automation
  • Responsible for building the servers in physical and virtual platform.
  • Responsible for building Linux servers
  • Experience in VMware Virtualization and ESXI Host
  • Configuration and administration of NFS in Linux and implemented Samba for sharing of resources between Linux and Windows environments.
  • Installed and configured VMware ESXI server instances for virtual server setup and deployment.
  • Installed, maintained and fine-tuned the Apache-Tomcat server in Linux Platform
  • Excellent verbal and written communication skill, ability to relate well with people in all platforms.
  • Paying total attention to details, troubleshooting with strong analytical and problem solving skills.
  • Ability to work well with a team in a fast paced, constantly changing environment and follow instructions from supervisors and senior colleagues.
  • Experience with documenting procedures.
  • Ability to work with and learn the latest Linux Server technologies as they are released and implemented.
  • Work smart etiquette, figuring out the quickest solution to issues at the nick of time. Strong passion and drive to grow and learn in the environment.
  • Ability to communicate effectively at different organizational levels and in a diverse/multicultural environment.
  • Effective team management and mastery of skills required to ensure team success.
  • Basic knowledge of Database systems, networking
  • Passionate, hard-worker, team player, willingness to contribute in multiple areas.

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