How to Become a Systems Administrator

What a Systems Administrator Does

A systems administrator keeps an organization’s servers and the software on them working. That means the machines that hold files, run email, authenticate logins and host internal applications, whether they sit in a closet, a data center or a cloud account. When a server fills its disk, an update breaks an application, or a new hire can’t sign in, the ticket ends up with you.

The Bureau of Labor Statistics (BLS) counts systems administrators together with network administrators under Network and Computer Systems Administrators, SOC 15-1244. That is one occupation and one set of figures, so the pay and outlook numbers on this page are the same ones on our network administrator career guide. That guide covers the switches, routers and firewalls side of the code. This one covers the servers side. The BLS Occupational Outlook Handbook describes the shared work as installing, maintaining and supporting an organization’s computer systems.

The Systems Administrator’s Work, Area by Area

Sysadmin work falls into a handful of areas, and a job posting usually emphasizes two or three of them.

Servers and operating systems. You install, configure and update Windows Server and Linux machines. You decide what runs where, watch disk, memory and CPU, and keep the operating system current.

Virtualization. Most servers now run as virtual machines on shared hardware. You create them, resize them, move them between hosts and retire the ones nobody uses.

Identity and access. You create accounts, group them, and control who can open which folder or application. At most employers this means Active Directory or a cloud identity service, and it is also where much of the security work lives.

Patching. Every operating system and application ships fixes, and some of them close holes attackers are already using. You schedule updates, test the risky ones first, and apply them without taking the business down.

Backups and recovery. Anyone can set a backup job. The skill is proving you can restore from it. Administrators who test restores on a schedule are the ones people trust at 3 a.m. after a failure.

Scripting and automation. Doing a task by hand on ten machines is fine. On two hundred, you write a script. PowerShell on Windows and Bash or Python on Linux are the common tools.

Cloud. More of the servers live in Amazon Web Services, Microsoft Azure or Google Cloud, and the job becomes managing virtual machines, storage and access through a console or code instead of a rack.

Skills Employers Want in a Systems Administrator

The posting language is consistent. Employers ask for comfort with Windows Server and Active Directory, working Linux command-line skill, networking basics such as DNS, DHCP and IP addressing, and an ability to read logs and find the cause of a failure. Scripting shows up in most postings now, and cloud experience shows up in the rest.

The soft skills carry more weight than newcomers expect. You’ll explain an outage to someone who only wants to know when their files return. You’ll write a runbook another person can follow under pressure. And you’ll say no to a request when it would put a system at risk, which takes more tact than any command.

Linux and Windows Certifications for Systems Administrators

BLS says employers may require certification in the products they use. For systems administrators, the common ones split by operating system.

• CompTIA A+ is the entry point most people take before administrator work, because it proves the support fundamentals.
• CompTIA Network+ covers the networking that every server depends on.
• CompTIA Linux+ and the Red Hat Certified System Administrator (RHCSA) are the usual Linux credentials. RHCSA is practical, so you do tasks on a live system instead of answering questions.
• Microsoft’s role-based certifications, such as the Windows Server and Azure administrator tracks, are the usual Windows and cloud credentials.

Pick by the employer. If the jobs you want run Red Hat, RHCSA is worth the effort. If they run Microsoft, the Microsoft track is. A certification doesn’t replace hands-on time, but it gets your resume past the first screen when your experience is thin.

How to Become a Systems Administrator: Education and the Typical Route

The most common route runs through support. You take a help desk job, which BLS tracks as computer user support (see our help desk technician guide), and you use it to learn how the company’s systems fit together. You reset accounts, so you learn the directory. You fix machines, so you see which updates break things. Then you ask for the server tickets and the after-hours maintenance windows.

A realistic sequence looks like this. Finish an associate or bachelor’s degree, ideally while working. Earn A+ in your first support job. Build a small home lab with a few virtual machines, one Windows domain and one Linux server, and practice breaking and repairing it. Pick up a Windows or Linux certification. Then apply for junior administrator openings, or move internally when one opens. That takes a few years, not a few months, and the employers who hire for the title want to see that you’ve already touched real servers.

Education for a Systems Administrator

BLS lists the typical entry-level education as bachelor's degree, in computer and information technology or a related field. Coursework covers operating systems, networking, scripting and security, which is the same material you use on the job. Some employers accept an associate degree plus experience.

If you are already in a support job, an online bachelor’s lets you keep earning while you study. Our ranking of online network administration degrees covers programs built around infrastructure work, and the best online IT bachelor’s degrees ranking is the wider list. Choose a program with real lab work in Windows and Linux, since that is what the first interview tests.

Systems Administrator Pay

The median annual wage for network and computer systems administrators, the occupation BLS uses for systems and network administrators alike, is $99,130, or $47.66 an hour, from the BLS May 2025 wage survey. The bottom 10% earn $62,640 or less and the top 10% earn $155,050 or more. Administrators who run cloud environments, automate heavily or look after systems that cost the business money when they fail sit toward the top. Our systems administrator salary page breaks down what moves pay within that range.

Systems Administrator Job Outlook

BLS counts 314,340 people in the occupation and projects a change of -4.1% from 2025 to 2035. The occupation is not adding jobs. It still projects 13,400 openings a year, mostly from retirements and people changing roles. The pattern to plan around is that routine server work is moving to cloud providers and automation, so the administrators with a future are the ones who can manage that environment instead of one physical room.

A Day in the Life of a Systems Administrator

The morning starts with checking overnight alerts and backup reports. Last night’s job on the file server failed, so you look at the log, find that a disk filled up, and clear space before the day shift arrives. Midmorning, an application owner asks for a new virtual server, and you build it from a template, join it to the domain and set its patch schedule. After lunch come a locked account, a shared folder permission, and a laptop that won’t join the network.

Evenings are when planned changes happen. You apply a security update to the mail server after hours, with a rollback plan written down first. The honest downside is that the job is interrupt-driven, the on-call phone can ring at night, and you get noticed mostly when something fails. People who stay like the mix of building and fixing, and like being the person who knows how everything is wired together.

Where a Systems Administrator Career Leads

The job opens several paths. Many administrators move toward cloud or systems engineering, where the work shifts from operating servers to designing and automating whole environments. Others move into security, and BLS notes that many information security analysts first worked as network or systems administrators. Our information security analyst guide shows what that move asks for. Some go into management. The IT careers overview compares all ten paths side by side.

Where Systems Administrator Jobs Are

Texas has the most systems administrators, about 34,840 of the 314,340 BLS counts nationally, and the top five states hold 39% of them. Size isn't the same as concentration: South Dakota has the most of these jobs relative to its workforce, at 1.83 times the national share. Remote work loosens this for some employers, but local demand still shapes who is hiring near you.

The 10 largest of 52. Concentration compares the state's share of these jobs with the national share, so 1.00x matches the country. These figures are for network and computer systems administrators, BLS May 2025.

Systems Administrator Jobs in Major Metros

Among the 50 metro areas in our city guides with a published count, New York City has the most, about 17,690 workers. Austin is the most concentrated, at 1.92 times the national share.

The 10 largest of 50. These figures are for network and computer systems administrators, BLS May 2025.

IT Careers Side by Side

Network and Computer Systems Administrators rank 6 of 9 by median pay among the IT occupations we cover. Pay, projected change and openings don't always move together, so weigh all three against the education each job asks for.

Sorted by median pay. BLS Occupational Employment and Wage Statistics, May 2025, and Employment Projections, 2025-35.