Network Operations Specialist

2 weeks ago


Centurion, Gauteng, South Africa Network Recruitment Full time
Job Description

We are seeking an experienced Network Operations Specialist to join our team at Network Recruitment. As a key member of our infrastructure team, you will be responsible for managing and maintaining our IT systems, ensuring high availability and performance.

Responsibilities:
  • Linux Systems Administration
    • Provisioning and configuring servers, clusters, and devices via CLI.
    • Installing and configuring Line-of-Business apps using YAML/JSON.
    • Monitoring/troubleshooting system performance and logs.
  • 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.
    • Managing VLANs, tunneling, 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.
    • 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 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 and IT asset management.
    • Familiar with JIRA, Confluence, supplier negotiation, and warranties.
    • Collaborating with Finance and Audit teams.
    • Strong communication, troubleshooting, and documentation skills.
Requirements:
  • Bachelor's degree in Computer Science or related field.
  • Minimum 5 years of experience in systems administration, preferably in a Linux environment.
  • Excellent problem-solving skills and attention to detail.
  • Strong communication and collaboration skills.
  • Ability to work in a fast-paced environment and adapt to changing priorities.
Salary and Benefits:

The salary range for this position is $90,000 - $120,000 per year, depending on experience. We also offer a comprehensive benefits package, including medical, dental, and vision insurance, as well as a 401(k) retirement plan.



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