Systems / Networks Administrator (Ops Specialist)

1 week ago

Centurion, South Africa Jobted ZA C2 Full time

Systems / Networks Administrator (Ops Specialist)
In office, Centurion

Qualifications:

- Bachelor's degree in computer information systems, management information systems, or a related field
- Certifications such as A+ & N+, MTCNA, ICND1, UBWA, Linux+/LPIC1, Server+, MCSA: Windows Server 2016or their closest equivalents

Requirements:

- Extensive experience in technical management, preferably within a related industry
- In-depth knowledge of IT infrastructure, as well as innovation and integration of information systems
- Proven ability to lead IT support teams
- Proficient in database queries and design principles
- Skilled in collaborating with data architects and IT specialists to set up, maintain, and monitor data networks
- Expertise in database structure languages, such as SQL or SQL/PSM
- Experience with server installation and maintenance
- Knowledge of best practices in database management
- Comprehensive understanding of the IT Software Development Life Cycle (SDLC)
- Familiarity with ITIL and AGILE methodologies is a plus
- Capable of diagnosing faults, incidents, and problems, and implementing necessary changes
- Responsible for ensuring optimal hardware and software performance and maintaining network security

KPAs:
Linux Systems Administration

- Expert in administering Debian-based (Ubuntu) and RedHat-based (Alma, Rocky) distributions.
- Skilled in provisioning/configuring servers, clusters, and devices via CLI.
- Installing and configuring Line-of-Business (LOB) apps using YAML/JSON.
- Monitoring/troubleshooting system performance and logs.
- Participating in troubleshooting interviews/tests based on log analysis.

Windows Systems Administration

- Managing Windows servers (AD/LDAP, DHCP, DNS, NPS, IIS, Hyper-V).
- Familiar with IIS modules (Dot Net, ASP, WebSockets).
- Providing desktop support and managing file servers.
- Responsible for server maintenance and administration.

Networking

- Experience with Core/Distribution/Access-switching (Edgecore, MikroTik, UniFi, D-Link).
- Managing VLANs, tunneling (ZeroTier, WireGuard), iptables/nftables, firewalld, and bonding.
- Configuring/troubleshooting FortiGate, MikroTik, pfSense.
- Knowledge of monitoring tools (Zabbix, Nagios, Data Dog, New Relic).
- IPAM/DCIM expertise.

Database Support

- Basic support for Postgres, Oracle, MariaDB (backups, restores, minor SQL queries).
- OracleDB knowledge (Oracle Data Pump, TNS Listener troubleshooting).
- Collaborating with DBAs for performance and availability.

Server Hardware & Storage Administration

- Managing SAN, NAS, DAS, LVM, LUN infrastructures (HPE SAN, Synology, FreeNAS).
- Expertise in HBA bonding, SCSI, storage optimization.
- Server assembly/upgrades, RAID, and HA configurations.
- Familiar with Veeam Backup, Quest NetVault, LTO-tape technology.

Virtualization & Cluster Management

- Administering Xen-based clusters (XCP/Xen) and Hyper-V.
- Managing virtual environments, performance, failover, storage integration.
- Experience with Hyper-V clusters, VMware vSphere, Docker, Kubernetes.

Office Admin & Soft Skills

- Implementing ITIL best practices (ITSM) and IT asset management (ITAM).
- Familiar with JIRA, Confluence, supplier negotiation, and warranties.
- Collaborating with Finance and Audit teams.
- Strong communication, troubleshooting, and documentation skills.

Apply now

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