Linux Systems Administrator

The Linux administrator is a technical professional specializing in the maintenance and development of Linux infrastructure technology. He is the link in the company, between the CIO, the network administrator, the database administrator and the developers.

Responsible for the proper functioning of a company's infrastructures, he is in charge of installing, configuring, updating, and backing up the server in an organization.

Here is a non-exhaustive list of the daily activities of a Linux system administrator: How to become linux administrator

Maintain and develop all Linux infrastructure technologies

Identify and resolve system problems

Maintain and monitor system performance

Design and develop monitoring and reporting tools

Manage, coordinate and implement upgrades

Develop automated tests in collaboration with the team

Attend team meetings

Write documentation

Skills

The system administrator is not a developer. However, he works in production-oriented environments and must know how to use the following technologies:

Configuration management tools (Ansible, Puppet)

Network tools (tcpdump, iptables, HAP, Linux IPVS)

Linux scripting languages ​​(Shell, Perl, Python)

In addition to being endowed with so-called technical skills, he must also be knowledgeable in computer security. He also has good knowledge in development, database, storage, cabling, etc.

Responsive and multitasking, the Linux system administrator must know how to solve problems as quickly as possible and be able to juggle multiple priorities efficiently. The Linux systems administrator is able to work in a team and interact with project stakeholders in a professional and positive manner.

Training

Bac +2 (BTS computer science, BTS digital systems option computer science and networks, DUT Networks and telecommunications)

Bac + 5 (University, engineering or IT school)

A bachelor's degree in computer science or a related field is a minimum requirement for working as a Linux systems administrator. The best candidates for this position have a minimum of a four-year degree in computer science. Recruiters also prefer candidates who have at least two to five years of experience in scripting languages ​​and supporting Linux servers.