Systems / Networks Administrator (Ops Specialist)

2 weeks ago

Pretoria, Gauteng, South Africa IOCO Full time

Keeping systems secure, networks strong, and operations seamless

Our client is seeking a dynamic Systems Networks Administrator (Ops Specialist) to ensure the stability, security, and efficiency of their IT infrastructure. This role is perfect for a tech-savvy professional who thrives in managing servers, networks, and cloud environments while optimizing system performance and uptime. 

What you'll do:

Linux Systems Administration

  • Expert-level administration of Debian-based distributions (Ubuntu) and RedHat derivatives (Alma, Rocky).
  • Provisioning and configuring servers, clusters, laptops, and other devices via the
  • Installation and configuration of LOB (Line-of-Business) applications manually—config files (YAML, JSON).
  • Monitoring and troubleshooting system performance, processes, and logs to ensure smooth operations.
  • Participating in interviews and tests focused on troubleshooting system issues based on log output and process analysis.

Windows Systems Administration

  • Managing and supporting Windows servers in a range of functions, including Active Directory (AD/LDAP), DHCP, DNS, NPS, Certificate Services, IIS, and Hyper-V.
  • Knowledge of IIS modules (Dot Net, ASP, WebSockets).
  • Providing user desktop support and managing Windows-based file
  • Taking ownership of Windows Server maintenance and administration

Networking

  • Working in environments with Core/Distribution/Access-switching topologies, high- throughput aggregation switches, and edge/access switches (Edgecore, MikroTik, UniFi, D-Link).
  • Managing VLANs, implementing modern tunneling technologies such as ZeroTier and WireGuard, and being well-versed in iptables/nftables, firewalld, and network bonding
  • Hands-on configuration and troubleshooting of FortiGate, MikroTik, pfSense, and other similar systems.
  • Maintaining network performance and ensuring uptime for critical
  • Knowledge of monitoring applications such as Zabbix, Nagios, Data Dog and New Relic.
  • IPAM/DCIM experience

Database Support

  • Providing basic support for Postgres, Oracle, and MariaDB environments (backups, restores, and minor SQL queries).
  • OracleDB knowledge advantageous, including the use of Oracle Data Pump and TNS Listener troubleshooting.
  • Collaborating with DBA teams to ensure database availability and

Server Hardware Storage Administration

  • Manage SAN, NAS, DAS, LVM, and LUN From setting up and configuring HPE SAN systems to managing Synology, Seagate NAS and FreeNAS devices.
  • Perform tasks such as HBA bonding, SCSI configuration, and storage performance
  • Server hardware – assembly/upgrades and troubleshooting
  • RAID and other HA methods, including setup and best practice
  • Veeam Backup and Quest NetVault experience
  • Familiarity with LTO-tape technology and how it works and is used will be

Virtualization Cluster Management

  • Administering Xen-based hypervisor clusters (XCP/Xen Hypervisors) and Hyper-V
  • Deploying, maintaining, and troubleshooting virtualized
  • Managing cluster performance, failover, and storage
  • Past hands-on experience with Hyper-V clusters and VMWare vSphere
  • Knowledge of Docker, Kubernetes, and containerization technologies is advantageous.

Office Administration Soft Skills

  • Implementing ITIL-based best practices (ITSM).
  • Managing assets (ITAM), including hardware procurement, supplier negotiation, warranties, and SLAs.
  • Familiarity with JIRA and Confluence is
  • Experience collaborating with interdepartmental teams, such as Finance and
  • Strong English communication skills, both written and verbal, with professional email
  • Writing of support and training
  • Strong troubleshooting and analytical
  • Ability to work independently and unsupervised, manage multiple priorities in a fast- paced environment.
  • Eagerness to learn new technologies and systems, be curious

Your expertise:

  • Extensive experience in technical management, preferably in a related industry.
  • Advanced knowledge of IT Infrastructure and Information Systems innovation and integration.
  • Ability to manage IT support teams,
  • Familiarity with database queries
  • Knowledge of database design and theories
  • Ability to work with data architects and other IT specialist to set up, maintain and monitor data networks
  • Knowledge of database structure languages, such as SQL or SQL/PSM
  • Experience with server installation and maintenance
  • Familiarity with database management best practices
  • Has a full understanding of the IT SDLC
  • Experience in ITIL and AGILE Methodologies advantageous
  • Ability to diagnose faults, incidents, and problems, and implement required changes.
  • Ensuring optimal hardware and software functionality, as well as network security.
  • Exceptional communication and interpersonal skills.

Qualifications required:

  • Bachelor's degree in computer information systems, management information systems, or similar.
  • Preferred:

    • A+ N+, MTCNA, ICND1, UBWA, Linux+/LPIC1, Server+, MCSA: Windows Server 2016—or the nearest equivalent 

Other information applicable to the opportunity:

  • Permanent Position
  • Location: Pretoria - Onsite
  • Travel: May be required (Ethopia, 2-3 times annually)

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