System Administrator Job Description and Skills for 2025

In this article, you’ll get a more in-depth look into the system administrator job.

With each passing year, IT is rapidly growing, offering people more than just opportunities for career growth. IT-related jobs are constantly advancing. Here’s an example for you – just a decade or so ago, hardly anyone even heard of Big Data specialists, whereas now such engineers are not only well-known, but also highly valued.

Nevertheless, there are jobs in IT that have been around for many years. One example is a system administrator. Without such a specialist, it is difficult to imagine competent operation of computers and laptops in organizations. A system administrator is an IT professional who plays an integral role in maintaining organizational policies to ensure the integrity of their network and computer systems.

In today’s article, we will explore in more details who the system administrator is, what his duties include, what the necessary skills for this job are, as well as offer useful tips for successful work of system administrators.

Who Is a System Administrator?

System administrators (also called SysAdmins) are professionals responsible for maintaining IT-related infrastructure of the organization – from the network to file and mail servers.

The requirements for a system administrator include a deep understanding of computer software, hardware, networks, and other technical aspects. The IT system administrator is responsible for designing, organizing, managing, and supporting the company’s computer systems. These professionals are responsible for maintaining and upgrading the hardware and software.

The main task of the system administrators is to monitor and maintain the system. They take care of active directory administration and new account setup, as well as monitor server performance and design computer systems.

System Administrator Job Description

The main duties of a system administrator include the following:

• Configuring and managing IT infrastructure, operating systems and networks
• Installing and configuring hardware and software
• Monitoring and analyzing system performance
• Administrating user access to systems and data
• Routine maintenance of systems (updates, installing backup systems)
• Implementation of disaster recovery and business continuity solutions
• Troubleshooting technical issues and system failures
• Providing support and assistance to staff with hardware and software issues
• Monitoring and managing all alerting across the company’s applications and infrastructure

System Administrator Skills

While there are usually not many set requirements for system administrators, it is important for IT specialists to know the ins and outs of the technology. Training is important; at the same time, technology can be achieved through on-the-job training. Some companies tend to be looking for entry-level system administrators to work in their systems, while others may prefer someone with paid tech experience.

The main skills system administrators should preferably possess include the following:

• Cloud computing

  A system administrator knows how to access a cloud network and troubleshoot issues, since employees could work from anywhere and they need to have the ability to access important files remotely and create backups of important documents.

• Hardware

  A system administrator knows how to manage all pieces of company technology, including hardware to maintain and manage the company’s network as well as the computers and devices used by employees. System administrators create protocols to reduce the risk of errors in hardware and oversee any repairs.

• Digital security

  A system administrator protects the company’s network from outsiders. These specialists know how to prevent unwanted third-party intruders from accessing files or connected devices. System administrators monitor and improve digital security by having a detailed knowledge of the main technological elements used by the company.

• Network systems

  A skilled system administrator must be proficient in all aspects of network management. This includes the actual wiring of servers and computers, performing routine diagnostics, and fixing any problems that could arise in the network.

• Programming

  In-depth knowledge of programming languages and computer programming is essential for system administrators. A system administrator can use scripting and coding to debug network problems when they arise. They also are proficient in coding to create scripts that automate daily operations.

• SQL

  Structured query language (SQL), the most commonly used database management language, is a crucial technical skill that systems administrators must have. A system administrator can use SQL to manage company databases and provide help when other company employees have problems accessing them.

• Troubleshooting

  Troubleshooting is the process of identifying the problem and addressing it. A system administrator performs small tests to ensure that the network is functioning properly. They are able to solve technical problems, are familiar with the system, can identify common errors and use creative thinking to find new solutions.

Useful Tips for System Administrators in 2025

• Develop strong interpersonal skills

  To become a system administrator you need more than just technical knowledge of Windows and Linux environments. It also requires well-developed interpersonal skills. You need to be able to work under pressure while remaining calm, as the system administrator is the first point for contact in the occurrence of network problems occur. A successful system administrator must also be able to manage time well, have good judgment, and resolve issues efficiently and quickly.

• Improve communication skills

  Improving communication is essential for successful system administrators. It doesn’t matter if the communication in question is with technical staff members or employees from another department experiencing network access problems, it’s important to communicate clearly with everyone in the organization. A good system administrator can communicate complex technical information to non-IT personnel who aren’t familiar with modern technology. To make a message more memorable, a complex or important message can be transformed into an engaging story.

• Continue to refresh knowledge

  The journey can’t be considered finished once you no longer need to Google “How to become a system administrator?” Technology is rapidly changing. As an idea, joining a professional network such as the League of Professional Systems Administrators (LOPSA) sounds like a rational decision. The goal of this organization is to educate the public and practitioners about system administration. It offers great networking and educational opportunities through its online events as well as share useful information through Slack, RSS feeds, and mailing lists.

• Learn how to unlock extra income opportunities

  It’s equally important for system administrators to know how to monetize their time. And here’s a hot tip for you that can easily be considered a win-win for everyone involved, since it will help improve your company productivity. You have a great opportunity to turn your expertise into a revenue stream by earning 10% from every license your company purchases through Kickidler’s referral program. Give it a try, and see your income stream get wealthier.