Tasks & Competences of the System Administrator

In information technology (IT), a system administrator (sysadmin) is a person who supports a multi-user IT environment and ensures continuous and optimal performance of IT services and support systems.
The job responsibilities of the system administrator vary widely among employers. In a large company, the value system administrator can be used to describe any administrator responsible for a specialized IT system such as the one that supports servers. Depending on the specialty, the system administrator may also be known as a data center administrator, network operations center administrator, virtualization administrator, server administrator, or database administrator.
Smaller IT departments generally offer the system administrator a broader range of responsibilities, and in some organizations, a system administrator may need anything from end-user desktops to the local area network (LAN). ) of the organization, wireless LAN (WLAN), voice over IP (VoIP) system and hybrid cloud in the cloud. Depending on the culture of the organization, the system administrator may also be called a system operator (SysOp) or an application support engineer (ASE). Check the system administrator daily duties below.

Tasks and competences of the system administrator:
Due to the wide range of job responsibilities for system administrators in various organizations, the requirements for professional skills of system administrators are often wide, as are wage ranges. In general, system administrators should feel comfortable working with applications and file servers, desktops, networks, databases, information security systems and archiving. Familiarity with multiple operating systems, as well as scripts and programming, is often required. More and more virtualization and cloud computing skills have become essential for the job.

Since tasks typically include provisioning, configuring and managing physical and virtual servers, as well as software running on the servers and the hardware that supports them, a system administrator should be comfortable with installation and IT resource troubleshooting, creating and managing user accounts, updating and patching software, and performing backup and restore tasks.

Non-technical skills are equally important for system administrators. Because the system administrator interacts with people in many areas of IT and business, social skills (social skills) are as necessary as physical skills. When IT services are slow or not working at all, a system administrator should be able to work under pressure, read a situation as it develops, and quickly decide on a response that will produce the best result for everyone involved.

IT system administrator certifications
System administrators should have at least one, but preferably more, certifications for the job. Depending on the technologies used within a company, common on-demand certifications include Microsoft Certified Solutions Associate (MCSA), CompTIA Server +, Cisco Certified Network Associate (CCNA) and Red Hat Certified System Administrator (RHCSA).