Senior Network Administrator
Brand South AfricaSouth Africa3 days ago
Job descriptionUnderstanding of the service delivery model. A conceptual understanding of the Service delivery model required. Evaluate emerging network technologies and recommended solutions that support digital transformation and business strategy. Supporting ICT Manager in ICT planning, budgeting, and strategic initiatives. Implement ICT operations Design, deploy, and maintain LAN, WAN, VPN, and wireless networks. Monitor network performance and troubleshoot issues to ensure minimal downtime. Maintain network documentation and configuration records Manage Hardware and Operating System Support for Servers Manage support calls for the supported environment Manage Changes for the supported environment Managing the Company’s IT Infrastructure This responsibility includes overseeing the organization’s network, server infrastructure, and cloud services, while ensuring security, reliability, and scalability. In addition, the role requires driving automation initiatives to improve efficiency and leading the introduction and integration of Artificial Intelligence (AI) technologies to enhance business operations and decision-making. Setup, support and maintain the Company Core IT infrastructure Administer servers, switches, routers, and other network equipment. Plan and implement network upgrades, expansions, and migrations. Ensure high availability and disaster recovery readiness for critical ICT systems. IT Governance Assist in ensuring that BSA complies with all relevant laws and regulations as well as Brand SA policies, procedures and guidelines. Adhere to the approved ICT strategy and ensure alignment to the Annual Performance Plan of Brand South Africa. Assist the manager in ensuring adherence to the IT budget. Manage and report on relationships managed through the SLAs with vendors. Identify and report new and known IT risks to the IT manager and update the risk register. Assist in the implementation of the COBIT framework in the organization. Document current and new changes to the infrastructure following the approved IT Change Management Policy. Represent IT in the POPIA Committee. Implement and update IT Asset and Sim-card Register. IT Security Ensure compliance with ICT security policies, regulations, and standards. Update Antivirus engines and patterns and make sure that the entire IT environment is patched and protected. Manage, monitor and report the Security Incident and Events Management activities. Maintain an up to date threat, patch and updates environment. Design and review the windows scripts managing the deployment of Group Policy Management. Implement and enforce network security policies, standards, and best practices. Monitor and respond to network security incidents and vulnerabilities. Evaluate and recommend new technologies to improve scalability and efficiency. Implement and manage network security measures, including firewalls, intrusion detection / prevention systems, and access controls. Perform regular vulnerability assessments and mitigation. Compliance and Reporting. Implement the IT Change Management Policy and report on all approved changes on a monthly basis. Provide Backup & replication reports to management. Design and update the IT Infrastructure Network diagram. Report on malware detected on the environment and any changes relating to computer security. Provide reports on the IT utilisation. Excellent written and oral communications skills. Strong knowledge of network protocols, security standards, and infrastructure management. AD, VMWare or HyperV, Azure, D365 MCSE / MCITP, A+, N+ CCNA advantageous Network Architecture & Design : Ability to design, implement, and manage enterprise-level LAN, WAN, and wireless networks. Network Protocols & Services : Deep understanding of TCP / IP, DNS, DHCP, BGP, OSPF, MPLS, VLANs, and subnetting. Firewall and Security Management : Proficiency with security appliances (e.g., Cisco ASA, Palo Alto, Fortinet) and principles of network security, VPNs, intrusion detection / prevention (IDS / IPS), and access control. Routing and Switching : Advanced knowledge of Cisco, Juniper, or similar routing and switching equipment. Monitoring and Performance Tuning : Use of tools like SolarWinds, Nagios, PRTG, or Wireshark for troubleshooting and performance optimization. Disaster Recovery and Redundancy Planning : Implementing high-availability, backup, and disaster recovery solutions. Cloud Networking : Understanding of hybrid cloud environments, cloud networking and virtual networking in platforms like AWS, Azure, or Google Cloud. Virtualization and Infrastructure Integration : Familiarity with VMware, Hyper-V, and their network implications. Must be customer / user focused and driven to excel. Excellent communication and stakeholder management skills. Strong analytical and problem-solving skills. Ability to manage multiple projects and priorities under pressure. Assisting staff with all Information Technology – based problems. Ability to work independently and as part of a cross-functional team. Strong project management and organisational skills. Adaptability to emerging technologies and evolving business requirements Network Documentation : Ability to produce and maintain clear, detailed network diagrams and documentation. Change Management : Following structured change management procedures to minimize downtime and ensure accountability. Incident Response & Troubleshooting : Rapid identification and resolution of complex network issues with minimal impact on operations. Project Management : Managing network projects, upgrades, or migrations, including budgeting and timelines. Regulatory Compliance : Ensuring network configurations meet industry standards (e.g., ISO 27001, PCI-DSS, HIPAA); Public Service Corporate Governance of Information and Communication Technology Risk Assessment & Mitigation : Identifying vulnerabilities and proactively addressing potential network threats. Analytical Thinking : Strong diagnostic skills for resolving unpredictable and complex problems. Communication Skills : Translating technical issues for non-technical stakeholders; writing reports and proposals. Team Leadership : Mentoring junior staff, delegating tasks, and providing strategic guidance to network teams. Adaptability : Keeping up with fast-evolving technologies and integrating them into the network infrastructure. Vendor Management : Coordinating with service providers and hardware / software vendors for optimal performance and cost efficiency. Should you not hear from us within three months from the closing date please consider your application unsuccessful
Job Title : Senior Network Administrator
Department : Corporate Services
Reporting to : IT Manager
Salary : R – R TCTC
Paterson Level : C3
Advert Date : 24 October 2025
Job Purpose
Reporting to the Manager : IT Corporate Services, the incumbent will be expected to provide leadership for developing and implementing information technology initiatives. The Manager : ICT directs the planning and implementation of enterprise wide IT Governance and Systems in support of business operations in order to improve cost effectiveness, service quality, and business development.
The Senior Network Administrator is responsible for the design, implementation, maintenance, and security of the organization’s network infrastructure. This role ensures high availability, performance, and scalability of all network systems, while providing technical leadership and mentorship to junior staff. The Senior Network Administrator works closely with IT leadership, security teams, and business units to support organizational goals and digital transformation initiatives.
Minimum Qualification requirements & Experience
- Bachelor’s degree in computer science, information engineering or other related study areas.
- 5 yrs Technical experience in full server installation, set up & support (2008, 2012, 2016, 2019).
- 2-3 yrs exp in network planning & installation
Key Performance Areas
Required Technical Skills, Competencies and Attributes
Operational Competencies
Compliance & Risk Management knowledge
Soft Skills & Leadership
Brand South Africa is committed to ensuring and maintaining workplace diversity and the attainment of employment equity, having due regard to qualifications and appropriate experience. Brand South Africa encourages applications from Colored Males and Females, White Males and Females as well as people with disabilities.
Please note that certified copies of qualifications will be requested from the shortlisted candidates ONLY. The processing of your personal information by Brand South Africa will be done in accordance with the POPI Act 4 of 2013. Correspondence will only be limited to shortlisted candidates. Brand South Africa reserves the right not to make an appointment.
Please quote the position title on the subject line.
The closing date for applications is 07 November 2025
For enquiries please contact : Akhona Mjajubana on
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Senior Administrator • South Africa
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