Job Description

Job Summary
We're looking for a Senior Systems/Network Administrator with deep hands-on experience in both Linux and Windows environments, advanced networking, virtualization, storage, and clustered systems. This is a highly technical, command-line-driven role requiring excellent troubleshooting skills, strong autonomy, and a holistic understanding of infrastructure components.
Key Responsibilities * Linux Systems Administration

• Expert management of Debian-based (Ubuntu) and RedHat-based (Alma, Rocky) systems.
• Server, cluster, and endpoint provisioning/configuration via CLI.
• Manual setup of LOB apps using config files (YAML, JSON).
• Troubleshooting system issues using logs and performance data.
• Windows Systems Administration

• Administering Windows servers (AD/LDAP, DHCP, DNS, NPS, IIS, Hyper-V, etc.).
• User support and Windows-based file server management.
• Ownership of server health, patching, and updates.
• Networking

• Manage enterprise-level networks (Core/Distribution/Access).
• VLANs, ZeroTier, WireGuard, iptables/nftables, firewalls (FortiGate, MikroTik, pfSense).
• IPAM/DCIM and network monitoring (Zabbix, Nagios, Data Dog, New Relic).
• Database Support

• Basic support for Postgres, Oracle, MariaDB.
• Backups/restores, minor SQL queries, TNS listener troubleshooting.
• Server & Storage

• Manage SAN, NAS, DAS, LVM, LUNs (HPE SAN, Synology, FreeNAS).
• Hardware assembly, RAID setup, LTO tape systems.
• Experience with Veeam, NetVault, and performance tuning.
• Virtualization & Clusters

• Administer XCP-ng/Xen, Hyper-V clusters; VMware and container tech (Docker/K8s) advantageous.
• Setup, maintain, and troubleshoot high-availability clusters.
• IT Operations & Administration

• ITIL/ITSM practices for incident/change/config management.
• IT asset management (procurement, warranties, vendor SLAs).
• Collaboration with Finance, Audit, and other departments.
• Documentation, reporting, and user training.

Key Requirements
Qualifications

• Degree in Computer Information Systems, IT Management, or related field.
• Relevant certifications (e.g. A+, N+, MTCNA, LPIC1, MCSA 2016).

Experience

• 5+ years in a senior systems/network role.
• Proven technical leadership and project ownership.
• Advanced knowledge of systems integration and lifecycle management.
• Solid understanding of IT security, fault diagnostics, and incident response.
• Strong written and verbal English communication.

Apply for this role today, contact Sune Pienaar at Hire Resolve or on LinkedIn. You can also visit the Hire Resolve website: or email us your CV:
We will contact you telephonically in 3 days should you be suitable for this vacancy.
If you are not suitable, we will put your CV on file and contact you regarding any future vacancies that arise
Hire Resolve
IT/Computer
Recruiter
About
Specialists in Civil, Structural, Mechanical Engineering, Information Technology, Mining, Manufacturing and Finance Careers! Hire Resolve is one of the larger and more agile South African recruitment companies that focus on placing professionals and skilled people in permanent employment and contract employment. We prefer and focus on working with top quality professionals and candidates in South Africa and Africa. Hire Resolve has successfully placed Engineering, Mining, IT, Manufacturing and Finance professionals with top firms across the Western Cape, Eastern Cape, KwaZulu Natal, Gauteng and in Africa. Hire Resolve has assisted candidates to find jobs at over 100 JSE listed companies of which many are global companies with offices and operations in South Africa and Africa. It is for this reason that we are well respected in the industries we operate in and in the recruitment industry.

Skills Required