Senior IT Administrator (MiKroTik)

We are looking to hire an experienced Senior IT Administrator with 3rd level experience with a proven track record of ensuring optimal IT operations and infrastructure reliability. Skilled in deploying and maintaining complex network systems, managing server environments, and implementing advanced security measures. Known for strategic thinking, proactive problem-solving, and delivering efficient, scalable solutions to support organizational objectives.

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.
• 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 services.
• 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 services.
• 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.

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 optimization.
• 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.

Virtualization Cluster Management

• Administering Xen-based hypervisor clusters (XCP/Xen Hypervisors) and Hyper-V.
• Deploying, maintaining, and troubleshooting virtualized environments.
• 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.
• Experience collaborating with interdepartmental teams, such as Finance.
• Strong English communication skills, both written and verbal, with professional email etiquette.
• Writing of support and training documentation.
• Strong troubleshooting and analytical skills.
• 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 specialists 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 (Ethiopia, 2-3 times annually).

Desired Skills

• Adaptability
• Authenticity
• Partnership
• Ingenuity
• Mastery