Operating systems
Importance: Essential (5 of 5)
Understands processes, memory, filesystems, boot, and system interfaces.
Course coverage
← All career guides9 of 9 skills88 of 88 courses
Infrastructure and operations
Systems Administrator
Operates servers, operating systems, identities, storage, and core services across physical and virtual environments.
Skill coverage
100%
Course coverage
100%
Skill coverage shows how much of the role's capability map already has a published course. Course coverage shows how much of the mapped course pipeline for this role has shipped.
- Role skills
- 9
- Published coverage
- 9
- Relevant courses
- 88
Capability map
Skills
Importance describes how central each capability is to the role. Course coverage shows where you can build the skill in the current OpenSkills catalog.
01
Systems foundations
5 capabilities
Linux administration
Importance: Essential (5 of 5)
Configures and maintains Linux hosts and services.
Course coverage
- Linux FundamentalsFree
- Linux System Administration
- Systems Administration
- AppArmor
- Bash
- Linux Command Line
- Linux File Systems
- Linux Namespaces and Control Groups
- Linux Package Management
- Linux Performance Tuning
- Linux Security Hardening
- SELinux
- systemd Fundamentals
- Unix Fundamentals
- Debian Administration
- Red Hat Enterprise Linux
- SUSE Linux Enterprise
- Ubuntu Server
Windows administration
Importance: Very important (4 of 5)
Configures and maintains Windows Server environments.
Identity and directory services
Importance: Essential (5 of 5)
Administers users, groups, policy, and directory-backed access.
Virtualization
Importance: Very important (4 of 5)
Administers hypervisors and virtual machines across on-premises and hybrid environments.
02
Systems operations
4 capabilities
Networking
Importance: Very important (4 of 5)
Configures and diagnoses host and service connectivity.
Course coverage
Storage and backup
Importance: Essential (5 of 5)
Operates filesystems, storage, backup, and recovery.
Course coverage
- Backup FundamentalsFree
- Storage FundamentalsFree
- Backup Security
- Block, File, and Object Storage
- Data Archiving
- Data Center Hardware
- Data Recovery
- Data Retention
- Disaster RecoveryFree
- Distributed Storage
- Enterprise Backup Architecture
- Linux Storage
- MinIO Fundamentals
- Network-Attached Storage
- RAID
- Ransomware-Resilient Backups
- Storage Area Networks
- Storage Hardware
- Ceph Fundamentals
Automation
Importance: Very important (4 of 5)
Automates configuration and repetitive administration safely.
Troubleshooting
Importance: Essential (5 of 5)
Diagnoses failures systematically across system layers.
Learning path
Relevant courses
Core foundations
The concepts this role is built on.
Supporting knowledge
Adjacent knowledge that improves day-to-day judgment.
- Active Directory Administration
- Active Directory FundamentalsFree
- Active Directory Security
- AppArmor
- Backup Security
- Bare-Metal Provisioning
- Bash
- Block, File, and Object Storage
- Configuration Management Databases
- Data Archiving
- Data Center Hardware
- Data Recovery
- Data Retention
- Device Drivers Fundamentals
- Disaster RecoveryFree
- Distributed Storage
- Enterprise Backup Architecture
- File Systems Fundamentals
- FreeBSD Fundamentals
- Group Policy
- Hypervisor Architecture
- IT Operations Management
- Linux Command Line
- Linux File Systems
- Linux Kernel Debugging
- Linux Kernel Fundamentals
- Linux Namespaces and Control Groups
- Linux Networking
- Linux Package Management
- Linux Performance Tuning
- Linux Process Management
- Linux Security Hardening
- Linux Shell Scripting
- Linux Storage
- Linux Users, Groups, and Permissions
- Microsoft Entra ID
- Microsoft Teams Administration
- MinIO Fundamentals
- Network-Attached Storage
- Operating System Security
- PowerShell Automation
- PowerShell Fundamentals
- Processes, Threads, and Scheduling
- RAID
- Ransomware-Resilient Backups
- SELinux
- Server Hardware
- Storage Area Networks
- Storage Hardware
- System Boot Process
- System Calls and Kernel Interfaces
- System Performance Analysis
- systemd Fundamentals
- Unix Fundamentals
- Virtual Memory
- Web Server Fundamentals
- Windows Fundamentals
- Windows Internals
- Windows Performance Analysis
- Windows Security Hardening
- Windows Server Administration
- Windows Subsystem for Linux
Specializations
Deeper paths for particular environments or directions.
- Ansible Fundamentals
- Ceph Fundamentals
- Chef Fundamentals
- Debian Administration
- Fleet Management
- Kubernetes Operations
- Microsoft 365 Administration
- Microsoft Exchange Online
- Microsoft Hyper-V
- Microsoft Intune
- Patch Management
- QEMU and KVM
- Red Hat Enterprise Linux
- SUSE Linux Enterprise
- Ubuntu Server
- VMware vSphere Fundamentals
Put the map to work
Find Systems Administrator roles.
Search multiple job sources at once with queries tailored to this career, then use the skill map above to evaluate what each role actually asks for.