DeARX Services IT / Telecom Jobs in Gauteng
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We are looking for an experienced Linux / Systems / Network Engineer to join a growing infrastructure team at a leading organization undergoing a major technology transformation.
As the company modernizes its on-premise infrastructure and prepares for a hybrid future, you'll play a critical role in building, supporting, and maintaining stable and secure systems. This is not a cloud-native DevOps role its hands-on, infrastructure-focused, and highly technical, ideal for engineers who thrive working at the systems and networking layer of enterprise environments.
Key Responsibilities
- Provision and configure VMware virtual machines to support evolving infrastructure needs
- Install, configure, and maintain Linux-based systems (e.g., RHEL, Ubuntu, CentOS)
- Support systems across multiple environments (development, staging, production)
- Configure and manage critical network services and components, including:
- DNS servers and records
- TLS/SSL certificates
- Load balancers (front-end/back-end rules)
- Firewall and routing rules
- Troubleshoot and optimize system and network performance
- Assist in the integration of APIs for internal systems and services
- Implement and support security protocols in line with compliance requirements
- Collaborate with the Infrastructure/IS Operations Manager to ensure system reliability and business continuity
- Create and maintain clear documentation of systems, processes, and configuration standards
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Must-Have Skills & Experience
- 5-10 years in roles such as Linux Systems Engineer, Infrastructure Engineer, or Systems Administrator
- Strong command of Linux operating systems:
- Systemd, kernel tuning, package management, file systems
- Solid understanding and hands-on experience with enterprise networking:
- DNS, SSL/TLS, load balancers, routing and firewall configuration
- Experience working in on-prem or hybrid environments
- Strong Bash or Python scripting for automation and maintenance
- Skilled in system-level monitoring, log analysis, and performance tuning
- Familiarity with VMware virtualization
Nice-to-Have
- Exposure to DevOps or infrastructure-as-code tools (e.g., Ansible, Terraform, Git, Jenkins)
- Experience with hybrid cloud setups (e.g., AWS, Azure), though not core to the role
- Understanding of security tools and practices, such as multi-factor authentication, data encryption, etc.
- Previous experience supporting IS Operations or enterprise platforms
What Were Looking For
- A self-starter who takes ownership of systems and delivers results independently
- A problem-solver who thrives in lean teams with hands-on responsibilities
- Someone who values clarity and documentation
- A strong communicator who collaborates well with both technical and non-technical stakeholders
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