Linux Administrators are responsible for deploying, configuring, and maintaining a company’s network of computer hardware. Duties include ensuring uptime and performance, providing backups and disaster recovery, implementing security measures, troubleshooting problems for end-users, and managing the IT budget. The top skills for this position are customer service, networking, system administration, server maintenance, IT security practices, and Microsoft Office. A bachelor’s degree is required for this position; however, a certification in system administration is usually needed as well.
The Best Linux Administrator Resume Samples
These are some examples of accomplishments we have handpicked from real Linux Administrator resumes for your reference.
- Establish monitoring and alerting of Postgres servers using Nagios and Postgres Enterprise Manager.
- Experience in Splunk deployment, admin, configuration, and dashboard development.
- Expert in installing SPLUNK apps for Linux and UNIX environments.
- Worked with the Analytics team to design and set up data pipelines using Kafka, Elastic (Elk) Stack, and AWS Lambda.
- Adhered to standard practices and procedures when working with development.
- Systems monitoring and administration of Servers for day-to-day problems, patches, user administration, hardware failure, monitoring log files, backup, software up-gradation, configuration changes, and documentation.
- Extensive knowledge of troubleshooting and configuring Linux Ethernet Bonding and creating Ethernet aliases.
- Strong understanding of networking concepts and implementations of Linux-based infra solutions environments.
- Utilized security features and mechanisms to ensure the operating system, database server, and web applications were safe for operational use.
- Managed effective testing procedures that ensured quality code was received from developers.
- Install, configure, tuning, security, backup, recovery, and upgrades of RHEL 5.5 and higher.
- Regular work involving building new Linux Physical and Virtual servers using kickstart and PXE boot.
- Good Knowledge of LVM, which includes creating PVs, VGs, LVs, and filesystems and troubleshooting.
- Strong knowledge of large-scale Linux deployment methodologies, kernel configuration, performance monitoring, and tuning.
- Participated in the training of new developers; provided support to them on a daily basis as they consumed more complex code.
- Designed knowledge and skill tests to be used by junior members of the team.
- Helped customers design their infrastructure, often saving them money in the process.
- Taught self new technologies (NGINX, CentOS, Cloud Servers API) and trained customers and peers how to use them appropriately.
- Worked with the project team to ensure various areas of the application were stable, reliable, and well-documented prior to release.
- Proactive when nudging system administrators to relocate servers after realizing increased efficiency and performance under new conditions.
- Configured Linux network, basic troubleshooting process, Diagnose and corrective network problems.
- Installed and upgraded Linux Redhat OS 5/6: Anaconda and kickstart installation.
- Managed physical storage by creating physical, extended and logical partitions including swap partitions.
- Provided guidance and leadership to the Development Team using a collaborative, balanced approach.
- Directed change management by ensuring that key stakeholders understood the need for and implications of various solutions, as well as their support responsibilities.
- Working with application team for exporting shared volumes and mounting shared volumes.
- Worked with the local development team, remote application team, and database team throughout the lifecycle of the backup project to migrate the servers to a newer enterprise version.
- Worked with DBA team for network related, permissions, mount points, and space-related issues.
- Mounted the Netapp shelves and did capacity planning according to the requirement to support backups of the infrastructure.
- Delivered features on time by managing staff resources, controlling scope changes, and identifying suitable third-party solutions. Resolved problems with time-critical components via negotiations with vendors within a compressed timeframe.
- Extensive working experience in process scheduling, disk and file system I/O, kernel tuning, TCP/IP networking.
- Installing Veritas Volume Manager and configuring Disk Groups, Volume Groups, and Logical volumes to manage the storage resources.
- Effective use of LVM disk Management tool to Create, extend the Volume Groups on RHEL and Solaris.
- Working with Logical Volume Manager and creating of volume groups/logical performed Red Hat Linux Kernel Tuning.
- Created a custom-built Linux operating system environment on SAS/J 4.8, Windows NT 3.51, and Solaris 7 operating systems.
- Responsible for Linux system administration for David Geffen School of Medicine including RHEL, Ubuntu, and CentOS production and development systems.
- Performed daily systems monitoring, verifying the integrity and availability of all hardware, server resources, systems and key process, reviewing system and application logs, and verifying completion of scheduled jobs and backups.
- Upgrade and configure system software that supports infrastructure application and asset management applications per project or for operational needs.
- Designed and implemented an installation procedure for databases using DB2 5.1 & DB2 6.1 in accordance with IBM’s COBOL standard.
- Configured and created a LAMP (Linux Apache MySQL PHP) installation environment on Solaris 10/Tru64 UNIX OS.
- As an Enterprise Server administrator was responsible for remote monitoring of Production.
- Applied patches quarterly to meet audit requirements using Red Hat Satellite server, YUM, and RPM tools.
- Resolved configuration issues and problems related to OS, mounts, LDAP, user ids, Networking, DNS, and issues.
- Experience in addressing networking issues and setting up bonding.
- Establishing ODBC connection to move data from SQL 2000 to SQL 2008 and Upgraded the Dialogue version from ver6 over 8.
- Administered Linux servers for several functions including managing WebSphere, Apace/Tomcat server, mail server, MySQL database, SVN, build and firewalls in both development and production.
- Use strong Linux and Windows Server Administrator skills to accomplish website migrations setup, and restore websites and troubleshoot hardware and software issues as they arise.
- Upgraded Solaris 8 and Solaris 9 to Solaris 10 using Live migrations.
- Optimized system performance by implementing smart caching techniques (Redis Cache Manager) to store frequently-accessed information between HTTP requests.
- Responsible for Monthly & Emergency Release activities such as moving the packages/code from Test, Staging to Production using CVS, SVN.
- 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.
- Troubleshoot system malfunction by isolating problems to the network layer or application level.
- Expertise in installing, upgrading, and configuring Red Hat Servers using KickStart puppet and Solaris Server using Jumpstart.
- Administrated server consolidation program through the use of VMware ESX server and VMware Virtual Center.
- SWAP box configuration, Implementation of disaster backup and recovery.
- Developed scripts that collected logs of server performance information from a variety of sources such as MySQL databases.
- Fought off the “Code Red” attack on my website; implemented security measures to eliminate future threats.
How to Become a Successful Linux Administrator?
A bachelor’s or associate’s degree in a field like computer science or something similar like that. You can also take a Linux Certification training program that is accredited to get the skills and qualifications for the job.
Two years of server administration experience in Linux or UNIX server setup. Experience in coding and programming is required because you have to work with a system’s source code and fix any problems the system might have.
As a Linux administrator, you need experience in information security to make sure the systems are secure and to update it with the best security using up-to-date methods. Analytical skills are also a must because you need to know how to examine error logs, user information, system performance and that everything is working and reliable.
Communication and problem solving skills are needed because you need to be able to know how to work with other IT workers and come up with good solutions when technical problems happen.
As a successful Linux administrator, you have all of this experience in information technology and know-how to do your job the best way possible by being a creative problem solver.
A Linux Administrator is an IT (information technology) specialist who installs, maintains, and arranges Linux operating systems in different companies or networks. They also make sure that the Linux systems and servers are working well by doing maintenance and creating backups in case the system stops working so information isn’t lost. As a Linux Administrator you also help help by giving technical support and answering any questions that the users of the linux systems might have.
Hope these samples gave you an idea of what your resume should look like and some tips on how to make sure that your resume stands out from the rest.