Recruitment Room Team

Senior Systems Administrator (JHB or CPT)

Johannesburg – Gauteng – South Africa, Cape Town – Western Cape – South Africa
4 hours ago
Remote
Application ends: October 11, 2025
Deadline date:
October 11, 2025

Job Description


ENVIRONMENT:
BE responsible for administration and maintenance of all company networks, servers, and hardware; as well as ensuring there is robust Cybersecurity and data security protocols in place as the next Senior Systems Administrator wanted by a provider of tailored financial solutions. You will install, update and configure systems, taking proactive steps to monitor and identify any potential issues, and implement preventative measures; ensure system back-ups are taking place as required, and handle any down time effectively. The ideal candidate must possess a strong technical background, hands-on experience, and a proactive approach to problem-solving in a dynamic business environment. You will also need Certifications such as CompTIA Network+/CompTIA Security+/Microsoft Certified: Azure Administrator or similar with 3 years’ experience with infrastructure maintenance including SQL, TCP/IP, DNS, DHCP, VLANs, Windows Server, Linux/Unix, Active Directory, Veeam, Commvault, Acronis, Nagios, SolarWinds, Zabbix, AWS, Azure, Google Cloud, PowerShell, Bash & Python.
 
DUTIES:
Security –
  • Analyse security risks and develop response procedures.
  • Evaluate, recommend, and implement other security and monitoring devices.
  • Install computer security software.
  • Conduct regular security audits.
  • Prepare security status reports.
  • Educate users on computer security.
  • Create security documentation for users.
  • Assist in Disaster Recovery and gather evidence regarding Cybercrimes.
  • Oversee Patch Management policy.
  • Manage user access, permissions, and security policies across network and server environments.
 
Network and System Infrastructure –
  • Administer, monitor, optimise and maintain all company network infrastructure (LAN, WAN, VPN, wireless, and firewalls).
  • Install, configure, and maintain physical and virtual servers (Windows, Linux, etc.), ensuring optimal performance and availability.
  • Manage and maintain telephony infrastructure and systems and the optimization thereof.
  • Steer and administer the cloud migration process with cost projections, planning, and implementation.
  • Monitor systems for performance, reliability, and security, responding to alerts and resolving issues proactively.
  • Manage and report on root cause analysis for faults with remedial action.
  • Troubleshooting and monitoring network related performance focusing on the remote and on-site deployment.
  • Setup monitoring software for performance on servers to do preventative maintenance.
  • Assist Support team on complex technical issues.
  • Work together with the Department Manager to define policies and procedures relating to network performance and security.
  • Secure server environments by creating documented policies with procedures, implementation, and monitoring thereof.
  • Ensure network protocols are documented refining security between network devices.
 
Backups and Disaster Recovery –
  • Implement and oversee regular system backups, performing test-restores to ensure data integrity and availability.
  • Document network/server configurations, processes, and recovery procedures.
  • Develop, update, and test Disaster Recovery and Business Continuity plans to minimise downtime and data loss.
 
General –
  • Budget control and administration of software licensing.
  • Maintain vendor and supplier relations.
  • Stay abreast of emerging technologies and best practices to recommend improvements and ensure compliance with industry standards.
 
REQUIREMENTS:
Qualifications –
  • Certifications such as CompTIA Network+, CompTIA Security+, Microsoft Certified: Azure Administrator, Cisco CCNA, or similar.
 
Experience/Skills –
  • Minimum of 3 years’ experience with infrastructure maintenance.
  • Understanding of SQL backups.
  • Understanding of Cybersecurity principles and best practices.
  • Previous experience in developing and testing Disaster Recovery and Business Continuity plans.
  • Microsoft Azure experience.
  • Proven expertise in network administration (TCP/IP, DNS, DHCP, VLANs, firewalls, wireless).
  • Strong knowledge of server technologies (Windows Server, Linux/Unix, Active Directory, virtualisation platforms such as VMware or Hyper-V).
  • Experience with backup solutions (e.g., Veeam, Commvault, Acronis) and Disaster Recovery planning.
  • Extensive experience with Hyper-V replication, Veeam backup and replication.
  • Familiarity with monitoring and management tools (e.g., Nagios, SolarWinds, Zabbix).
  • Experience in cloud infrastructure (AWS, Azure, Google Cloud).
  • Knowledge of scripting languages (PowerShell, Bash, Python) for automation.
 
Advantageous:
  • BSc in Computer Science or a related field.
  • Microsoft Certifications.
  • Security Certifications.
  • Expertise or experience with ManageEngine range of products.
 
ATTRIBUTES:
  • Strong skills for daily operational challenges.
  • Excellent problem-solving, analytical, and communication skills.
  • Ability to work independently and as part of a team, including participation in an on-call rotation if required.

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