# Competences — ICT network administrator

Source: ESCO v1.2.1 occupation-skill relations (http://data.europa.eu/esco/occupation/81480b40-a318-47f3-9b2c-56b69ed67d95).

## Essential

- **adjust ICT system capacity** (skill/competence)
- **analyse network bandwidth requirements** (skill/competence)
- **apply ICT system usage policies** (skill/competence)
- **cloud technologies** (knowledge)
- **computer programming** (knowledge)
- **cyber attack counter-measures** (knowledge)
- **define firewall rules** (skill/competence)
- **design computer network** (skill/competence)
- **digital systems** (knowledge)
- **forecast future ICT network needs** (skill/competence)
- **ICT network routing** (knowledge)
- **ICT network security risks** (knowledge)
- **ICT performance analysis methods** (knowledge)
- **ICT security legislation** (knowledge)
- **ICT system programming** (knowledge)
- **implement a firewall** (skill/competence)
- **implement a virtual private network** (skill/competence)
- **implement anti-virus software** (skill/competence)
- **implement ICT network diagnostic tools** (skill/competence)
- **implement ICT security policies** (skill/competence)
- **install electronic communication equipment** (skill/competence)
- **integrate system components** (skill/competence)
- **internet governance** (knowledge)
- **interpret technical texts** (skill/competence)
- **maintain internet protocol configuration** (skill/competence)
- **manage email hosting service** (skill/competence)
- **manage ICT virtualisation environments** (skill/competence)
- **network management system tools** (knowledge)
- **network standards** (knowledge)
- **perform backups** (skill/competence)
- **procurement of ICT network equipment** (knowledge)
- **quality assurance methodologies** (knowledge)
- **solution deployment** (knowledge)
- **use back-up and recovery tools** (skill/competence)

## Optional

- ABAP (knowledge)
- acquire system component (skill/competence)
- AJAX (knowledge)
- Android (mobile operating systems) (knowledge)
- Apache Tomcat (knowledge)
- APL (knowledge)
- apply system organisational policies (skill/competence)
- ASP.NET (knowledge)
- Assembly (computer programming) (knowledge)
- automate cloud tasks (skill/competence)
- BlackBerry (knowledge)
- C# (knowledge)
- C++ (knowledge)
- Cisco (knowledge)
- COBOL (knowledge)
- CoffeeScript (knowledge)
- Common Lisp (knowledge)
- Erlang (knowledge)
- execute ICT audits (skill/competence)
- Groovy (knowledge)
- Haskell (knowledge)
- ICT system user requirements (knowledge)
- implement spam protection (skill/competence)
- install signal repeaters (skill/competence)
- iOS (knowledge)
- Java (computer programming) (knowledge)
- JavaScript (knowledge)
- Lisp (knowledge)
- maintain ICT server (skill/competence)
- MATLAB (knowledge)
- Microsoft Visual C++ (knowledge)
- ML (computer programming) (knowledge)
- mobile operating systems (knowledge)
- network engineering (knowledge)
- Objective-C (knowledge)
- OpenEdge Advanced Business Language (knowledge)
- operating systems (knowledge)
- optimise choice of ICT solution (skill/competence)
- organisational policies (knowledge)
- Pascal (computer programming) (knowledge)
- Perl (knowledge)
- PHP (knowledge)
- prepare licence agreements (skill/competence)
- Prolog (computer programming) (knowledge)
- protect personal data and privacy (skill/competence)
- provide ICT system training (skill/competence)
- provide technical training (skill/competence)
- proxy servers (knowledge)
- Python (computer programming) (knowledge)
- R (knowledge)
- remove computer virus or malware from a computer (skill/competence)
- Ruby (computer programming) (knowledge)
- SAP R3 (knowledge)
- SAS language (knowledge)
- Scala (knowledge)
- Scratch (computer programming) (knowledge)
- security engineering (knowledge)
- Smalltalk (computer programming) (knowledge)
- Swift (computer programming) (knowledge)
- TypeScript (knowledge)
- use ICT hardware (skill/competence)
- utilise computer-aided software engineering tools (skill/competence)
- VBScript (knowledge)
- Visual Basic (knowledge)

<!-- market-evidence -->

## Market evidence (job-ad analysis, 18 ads, as of 2026-07-12)

Share of analyzed job ads mentioning the item (threshold ≥ 20 %). Source: JSearch/Adzuna APIs.

### Hard skills

- network administration — **44 %**
- troubleshooting — **39 %**
- network design — **22 %**
- network installation — **17 %**
- network maintenance — **17 %**
- network troubleshooting — **17 %**
- system administration — **17 %**

### Responsibilities

- system monitoring — **17 %**
- network maintenance — **17 %**

<!-- market-evidence -->