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Systems & Infrastructure

Junior System Administrator

Administers servers under guidance: accounts, patches, backups and basic troubleshooting.

Experience level: JuniorCoding level: LowTechnical difficulty: 45/100

Administers servers under guidance: accounts, patches, backups and basic troubleshooting.

Entry

Junior

Coding

Low

Key skills

Linux / Windows basicsActive DirectoryBackup toolsBash / PowerShell
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Career overview

The Junior System Administrator learns the craft on real servers: user accounts, patching, backups, basic monitoring and first-level troubleshooting. It is the foundation for every systems, cloud and DevOps career.

Main responsibilities

  • Install, patch and harden Linux servers
  • Manage user accounts, groups and access rights
  • Design and verify backup and restore procedures
  • Run patch and vulnerability remediation campaigns
  • Monitor platform health, alerts and dashboards
  • Prepare and execute change requests in production
  • Keep technical documentation up to date
  • Lead incident resolution and post-mortem analysis
  • Document every action in the ticketing tool
  • Write and maintain knowledge base articles

Technical skills

Linux / Windows basics65%
Bash / PowerShell50%
Active Directory55%
Backup tools55%
Monitoring50%
Networking basics45%
Security hygiene45%
ITIL40%

Technologies

LinuxWindows ServerActive DirectoryBashPowerShellVeeamZabbixSSHDNSDHCPGitNginxApacheVMwareCronTeams

Education level

Education requirements vary depending on the company, country and experience. Professional experience, certifications and technical skills can sometimes compensate for formal education.

High School / Bac

Less common

Bac+2 (2-year degree)

Common entry point

Bac+3 (Bachelor)

Common entry point

Bac+5 (Master / Engineering)

Less common

Experience & coding level

Experience level

Entry LevelJuniorIntermediateSeniorExpert

Coding level

No codingLowMediumHighVery High
Technical difficulty45%

Useful certifications

Certifications are never mandatory. They are one way among others to prove a skill.

  • LPIC-1
  • Microsoft AZ-800
  • CompTIA Server+

Where can this career take you?

Multiple paths are possible. Click a role to open its profile.

Direct progression

Junior System AdministratorLinux System Administrator
Where Can Your IT Career Take You?

Where can you go next?

Realistic next career moves, with compatibility and a transition roadmap for each.

Linux System AdministratorMedium

Overlap: 47% · Difficulty: Easy

Skills to learn: Ansible, Storage & filesystems, Containers

View roadmap
Windows System AdministratorMedium

Overlap: 47% · Difficulty: Easy

Skills to learn: Group Policy, Microsoft 365 / Entra ID, Virtualisation

View roadmap
System EngineerLow

Overlap: 19% · Difficulty: Medium

Skills to learn: Infrastructure as Code, Ansible, Virtualisation

View roadmap

Where can you go from here?

A typical progression built from real career relationships. Click any role to open its profile.

  1. Junior System Administrator
  2. Linux System Administrator
  3. System Engineer
  4. Infrastructure Engineer
  5. Cloud Engineer
  6. Platform Engineer
Soft skills
  • Rigour and attention to detail
  • Autonomy
  • Technical curiosity
  • Teamwork
  • Organisation
  • Documentation writing

Related resources

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Next step

The path to Linux System Administrator

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