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IT Systems Administrator

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March 29, 2024 Updated April 11, 2025 15 minute read

A Career Guide to IT Systems Administration

An IT Systems Administrator, often called a "sysadmin," is a crucial information technology (IT) professional responsible for ensuring an organization's computer systems run smoothly, reliably, and securely. They are the technical experts who install, configure, maintain, and troubleshoot the servers, networks, and related hardware and software that form the backbone of a modern organization's digital infrastructure. Their work is vital for keeping business operations running effectively.

Working as a sysadmin can be engaging for those who enjoy problem-solving and working with technology. The role involves managing complex systems, implementing new technologies like cloud services or virtualization, and safeguarding critical data. It offers constant learning opportunities as technology evolves, and the satisfaction of knowing your work directly supports the organization's ability to function and succeed.

Sysadmins work across nearly every industry, from small businesses to large corporations, government agencies, educational institutions, and non-profits. Anywhere computers and networks are essential, sysadmins are needed to keep things operational.

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Salaries for IT Systems Administrator

City
Median
New York
$138,000
San Francisco
$110,000
Seattle
$112,000
See all salaries
City
Median
New York
$138,000
San Francisco
$110,000
Seattle
$112,000
Austin
$128,000
Toronto
$88,000
London
£60,000
Paris
€46,500
Berlin
€71,000
Tel Aviv
₪398,000
Singapore
S$69,000
Beijing
¥270,000
Shanghai
¥82,000
Shenzhen
¥420,000
Bengalaru
₹438,000
Delhi
₹249,000
Bars indicate relevance. All salaries presented are estimates. Completion of this course does not guarantee or imply job placement or career outcomes.

Path to IT Systems Administrator

Take the first step.
We've curated 13 courses to help you on your path to IT Systems Administrator. Use these to develop your skills, build background knowledge, and put what you learn to practice.
Sorted from most relevant to least relevant:

Reading list

We've selected some books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in IT Systems Administrator.
While not specifically focused on alerting, this book provides a comprehensive guide to site reliability engineering (SRE) practices, including chapters on monitoring, alerting, and incident response. It is valuable for anyone involved in designing and operating reliable systems.
Provides a comprehensive guide to observability engineering, a set of practices and tools that enable engineers to monitor, troubleshoot, and debug complex systems. It includes a chapter on alerting, providing guidance on how to design and implement effective alerting systems.
Provides a practical guide to implementing service level objectives (SLOs), which are used to define and measure the performance of software systems. It includes a chapter on alerting and monitoring, providing guidance on how to set up SLOs and create alerts that measure progress towards meeting them.
Provides a practical guide to using Prometheus, a popular open-source monitoring and alerting system. It covers topics such as installing and configuring Prometheus, writing PromQL queries, and creating alerts.
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