Job Description

We are seeking a highly skilled and Full-time (On-site) experienced Senior Systems/Network Administrator to join a dynamic team. The ideal candidate will have extensive hands-on experience with both Linux and Windows environments, advanced networking, virtualization, storage solutions, and system clusters. This role demands technical expertise, a strong troubleshooting mindset, and the ability to work independently with minimal supervision. Attention to detail is essential, along with a holistic understanding of all interconnected components.
Important Note: GUI-driven administrators need not apply this position is for those who thrive in command-line environments.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 manually config 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 2016 or the nearest equivalent of the aforementioned.
Desired Certifications:
LPIC2, MCITP, MTCRE, CCNA, MCSE: Core Infrastructure, ITILv4, Security+.
xc2xb7 Extensive experience in technical management, preferably in a related industry.
xc2xb7 Advanced knowledge of IT Infrastructure and Information Systems innovation and integration.
xc2xb7 Ability to manage IT support teams,
xc2xb7 Familiarity with database queries
xc2xb7 Knowledge of database design and theories
xc2xb7 Ability to work with data architects and other IT specialist to set up, maintain and monitor data networks
xc2xb7 Knowledge of database structure languages, such as SQL or SQL/PSM
xc2xb7 Experience with server installation and maintenance
xc2xb7 Familiarity with database management best practices
xc2xb7 Has a full understanding of the IT SDLC
xc2xb7 Experience in ITIL and AGILE Methodologies advantageous
xc2xb7 Ability to diagnose faults, incidents, and problems, and implement required changes.
xc2xb7 Ensuring optimal hardware and software functionality, as well as network security.
xc2xb7 Exceptional communication and interpersonal skills.For more information please contact:Katekani Makhubela

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