Systems / Networks Administrator (Ops Specialist) - Centurion - ref. b64267515

apartmentNetwork Contracting placeCenturion business_centerR 30/month calendar_month 
Key responsibilities:
  • Linux Systems Administration

o Expert-level administration of Debian-based distributions (Ubuntu) and RedHat derivatives (Alma, Rocky).

o Provisioning and configuring servers, clusters, laptops, and other devices via the CLI.
o Installation and configuration of LOB (Line-of-Business) applications manuallyconfig files (YAML, JSON).
o Monitoring and troubleshooting system performance, processes, and logs to ensure smooth operations.
o Participating in interviews and tests focused on troubleshooting system issues based on log output and process analysis.
  • Windows Systems Administration

o Managing and supporting Windows servers in a range of functions, including Active Directory (AD/LDAP), DHCP, DNS, NPS, Certificate Services, IIS, and Hyper-V.

o Knowledge of IIS modules (Dot Net, ASP, WebSockets).
o Providing user desktop support and managing Windows-based file servers.
o Taking ownership of Windows Server maintenance and administration tasks.
  • Networking

Working in environments with Core/Distribution/Access-switching topologies, high-throughput aggregation switches, and edge/access switches (Edgecore, MikroTik, UniFi, D-Link).

o Managing VLANs, implementing modern tunneling technologies such as ZeroTier and WireGuard, and being well-versed in iptables/nftables, firewalld, and network bonding techniques.
o Hands-on configuration and troubleshooting of FortiGate, MikroTik, pfSense, and other similar systems.
o Maintaining network performance and ensuring uptime for critical services.
o Knowledge of monitoring applications such as Zabbix, Nagios, Data Dog and New Relic.

o IPAM/DCIM experience essential.

Required Experience: A bachelor's degree in computer information systems, management information systems, or similar.
A+ & N+, MTCNA, ICND1, UBWA, Linux+/LPIC1, Server+, MCSA: Windows Server 2016or the nearest equivalent of the aforementioned.
Desired Certifications:

LPIC2, MCITP, MTCRE, CCNA, MCSE: Core Infrastructure, ITILv4, Security+.

  • 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.
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