IT Infrastructure Architect

6 days ago

Centurion, Gauteng, South Africa HuntWave Full time

HuntWave is seeking a highly skilled Systems/Network Administrator to join our team. As a Senior Systems/Network Administrator, you will play a crucial role in ensuring the smooth operation of our infrastructure.

Key Responsibilities:
  • Administering Debian-based distributions (Ubuntu) and RedHat derivatives (Alma, Rocky).
  • Provisioning and configuring servers, clusters, laptops, and other devices via the CLI.
  • Installation and configuration of LOB applications manually using config files (YAML, JSON).
  • Monitoring and troubleshooting system performance, processes, and logs to ensure seamless operations.
  • Participating in interviews and tests focused on troubleshooting system issues based on log output and process analysis.
System Administration:
  • Managing Windows servers in various 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 servers.
  • Taking ownership of Windows Server maintenance and administration tasks.
Networking and Security:
  • Working in environments with Core/Distribution/Access-switching topologies, high-throughput aggregation switches, and edge/access switches.
  • Managing VLANs, implementing modern tunneling technologies such as ZeroTier and WireGuard, and being well-versed in iptables/nftables, firewalld, and network bonding techniques.
  • Hands-on configuration and troubleshooting of FortiGate, MikroTik, pfSense, and other similar systems.
  • Maintaining network performance and ensuring uptime for critical services.
  • Knowledge of monitoring applications such as Zabbix, Nagios, Data Dog, and New Relic.
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 performance.
Server Hardware & Storage Administration:
  • Manage SAN, NAS, DAS, LVM, and LUN infrastructures.
  • Perform tasks such as HBA bonding, SCSI configuration, and storage performance optimization.
  • Server hardware assembly/upgrades and troubleshooting.
  • RAID and other HA methods, including setup and best practice configurations.
Virtualization & Cluster Management:
  • Administering Xen-based hypervisor clusters (XCP/Xen Hypervisors) and Hyper-V environments.
  • Deploying, maintaining, and troubleshooting virtualized environments.
  • Managing cluster performance, failover, and storage integration.
Soft Skills and Education:
  • A bachelor's degree in computer information systems, management information systems, or similar.
  • A+ & N+, MTCNA, ICND1, UBWA, Linux+/LPIC1, Server+, MCSA: Windows Server 2016 or the nearest equivalent.
  • Desired certifications include LPIC2, MCITP, MTCRE, CCNA, MCSE: Core Infrastructure, ITILv4, Security+

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