Linux System Administrator

Recruiter:

Network Recruitment

Job Ref:

ITA005664/Nay

Date posted:

Tuesday, April 28, 2026

Location:

Pretoria, South Africa

SUMMARY:
A leading technology-driven organisation is seeking a System Administrator to manage and maintain its critical IT infrastructure. This role plays a key part in ensuring system stability, security, and performance across a high-availability environment.

POSITION INFO:
The successful candidate will be Linux certified, technically strong, dependable under pressure, and comfortable working both independently and as part of a broader DevOps/technical team.

Key Responsibilities:

Install, configure, and maintain servers, storage, networks, and applications
Monitor system performance and proactively resolve issues
Manage backups and disaster recovery processes
Administer user accounts, permissions, and access controls
Support security and compliance initiatives (e.g., ISO 27001)
Provide desktop/user support and troubleshoot technical issues
Maintain system documentation and enforce IT policies
Set up new employee hardware and software
Implement and maintain network infrastructure (routers, switches, and firewalls)
Conduct security audits and vulnerability assessments
Evaluate and recommend new technologies
Participate in after-hours standby (rotational)

Skills & Experience:

RedHat or LPI Certification (essential)
Minimum 2 years’ Linux administration experience
Solid understanding of networking and server hardware
Experience with Office 365 administration
Strong troubleshooting and analytical skills
Knowledge of IT security principles and risk management
Experience supporting end users and desktop environments

Key Competencies:

Ability to work independently in a remote/hybrid setup
Strong communication and problem-solving skills
High attention to detail
Ability to perform under pressure in a high-availability environment
Effective time management and prioritisation skills
Team-oriented with a proactive mindset

Working Environment:

Hybrid role: Remote, with on-site requirements in Pretoria and a local Data Centre
Must be able to travel to the Data Centre within 30 minutes when required (24/7 readiness)
Participation in an after-hours standby rotation
Reliable power backup and internet connectivity are required for remote work
Occasional local and international travel may be required
6-month probation period with initial on-site involvement

Ideal Candidate:

Technically capable and highly reliable
Security-conscious and detail-oriented
Comfortable taking ownership of systems and responsibilities
Adaptable and eager to learn new technologies

Apply Now!
Naydene Cronje

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