Mid-Level Linux Systems Administrator

Smart4 Energy; Cape Town; Hybrid; ZAR 300 000 - 400 000; Full time

Job summary

A technology services company in Cape Town is seeking a mid-tier Linux Systems Administrator to join their team. The ideal candidate will have 3-5 years of experience in Linux and Windows Server environments, strong troubleshooting skills, and the ability to provide excellent customer support. This role offers a hybrid working model with training in the office and operational remote work from month three.

Qualifications

• 3–5 years' experience in Linux and Windows Server environments.
• Proven experience with installation and configuration of open-source solutions.
• Excellent communication skills (oral and written).

Responsibilities

• Install, configure, and upgrade products and systems.
• Troubleshoot hardware issues and perform fault finding.
• Provide customer support and resolve queries.
• Manage and monitor server backup and restore activities.

Skills

Linux experience

Windows Server experience

Strong knowledge of TCP/IP

Customer support abilities

Problem-solving skills

Tools

Kubernetes

Docker

Active Directory

Exim

Job description

Overview

We are seeking the expertise of a mid‑tier Linux Systems Administrator with 3–5 years' experience to join our Cape Town team.

Working Model

Training Phase (Months 1–2): Standard South Africa business hours, office‑based at our Cape Town office, hands‑on training with senior staff.

Operational Phase (From Month 3): Transition to USA East Coast hours (EST / UTC‑5) Remote working with occasional in‑office days in Cape Town.

Key Responsibilities

• Install, configure, and upgrade products and systems.
• Troubleshoot hardware issues and perform fault finding.
• Provide customer support and resolve queries.
• Manage and monitor server backup and restore activities.
• Perform system performance monitoring and capacity management.
• Collaborate with Product Development teams on enhancements and troubleshooting.

Skills & Experience

• 3–5 years' experience in Linux and Windows Server environments (Linux-focused).
• Strong knowledge of TCP/IP and DNS.
• Proven experience with installation, configuration, and maintenance of open‑source solutions.
• Familiarity with Office/Exchange, Azure, and Windows Active Directory.
• Hands‑on experience with Linux (Ubuntu, Red Hat, Oracle) and Windows Server.

Additional Technical Experience

• Office, Active Directory, Exim.
• Kubernetes & Docker (support experience).

Personality & Traits

• Self‑motivated, deadline‑driven, and adaptable in fast‑paced environments.
• Strong troubleshooting skills. Able to resolve previously unseen issues.
• Strategic thinker with excellent problem‑solving and analytical abilities.
• Collaborative team player who can also work independently.
• Customer‑focused with strong relationship‑building skills.
• Excellent communication skills (oral and written).