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Overview
ICT system administrator work is about keeping computer and network systems, servers, workstations and peripheral devices configured, reliable, secure and backed up.
In job descriptions, look for system administration, network engineering, security policies, backups, troubleshooting, upgrades, user support, system changes, cloud compliance and training for ICT systems.
Explore this occupation
Open in Job ExplorerWhat the work can involve
ICT system administrators keep infrastructure running. The work can include configuring servers and workstations, administering networks, applying security policies, managing backups, troubleshooting incidents, upgrading software or hardware and supporting users.
Skills and specializations
Useful strengths include system administration, network engineering, DNS, change management, information security, cloud compliance, automation, hardware knowledge and clear technical support. Specialization can focus on servers, networks, cloud platforms, security, endpoint management or training.
Salary context
Salary context depends on system criticality, on-call or incident responsibility, security exposure, automation depth, number of users and whether the role owns architecture decisions or day-to-day administration. Compare uptime, backup, access and change responsibility.
Career paths
Development can move toward senior system administration, network administration, cloud operations, security administration, infrastructure engineering, service management or technical team leadership. A useful path builds reliability, documentation and incident judgement.
Good to know
Read vacancies for operating systems, network scope, cloud tools, backup duties, security controls and support expectations. Check whether the role is mainly helpdesk support, server administration, infrastructure ownership or security operations.
Editorial note
This guide is editorial career context. It is not official labour-market statistics or role-specific salary data.
Map overview
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O*NET relationships
See occupations connected to this ESCO occupation in the official O*NET–ESCO mapping. The relationship type comes from the source and is not a ranking or recommendation.
O*NET relationships: 2
Computer Network Support Specialists
15-1231.00
Close relationship
The occupations are closely related, but the official mapping does not treat them as exact equivalents.
Open in O*NETNetwork and Computer Systems Administrators
15-1244.00
O*NET occupation is broader
The O*NET occupation covers a broader field of work than this ESCO occupation.
Open in O*NETSource and method
These relationships come from the official European Commission O*NET–ESCO crosswalk.
Relationship direction: O*NET occupation to ESCO occupation.
Several O*NET occupations can point to the same ESCO occupation, and one O*NET occupation can point to several ESCO occupations.
AltoTrail preserves the source relationship type. The order is technical and does not show which occupation is best, most relevant or recommended.
AltoTrail validates and presents the source relationships without adding ranking or recommendation semantics.
Alternative labels
Occupation group
Systems administrators (2522)
Source facts
| ESCO URI | http://data.europa.eu/esco/occupation/9e2e6e1e-363b-4e1b-a673-7bc0f7343300 |
|---|---|
| ESCO code | 2522.1 |
| ISCO group | 2522 |
| Concept type | Occupation |