27 Senior Network Administrator jobs in South Africa

Company Description

Innovo Networks is an ICT provider offering comprehensive services in Communications, Carrier, Connectivity, Cloud, and Cyber Security. We have pioneered the first Video PABX in South Africa and developed an Omni-Channel Contact Centre, delivering cutting-edge solutions for our clients.

Role Description

This is a full-time on-site role located in Cape Town, for an IT Manager, Network Administrator. The IT Manager, Network Administrator will oversee the daily operation of network systems and IT infrastructure. Responsibilities include managing network security, troubleshooting network issues, optimizing network performance, and ensuring system availability and reliability. Additional tasks involve coordinating IT support, implementing network projects, and maintaining data backups and recovery solutions.

Qualifications

• Network management, Network troubleshooting, and Optimization skills
• Expertise in Network security and IT infrastructure
• Project management experience
• Proficiency in data backups and recovery solutions
• Excellent problem-solving and analytical skills
• Strong communication and leadership abilities
• Bachelor's degree in Information Technology, Computer Science or related field
• Relevant certifications such as CCNA, CCNP, or similar are a plus
• Experience in the ICT industry is advantageous

Salary: Market Related

Medical Aid Contribution

13Th Cheque

Mobile Allowance

We're Hiring: Internal IT Senior Network and Desktop Support Technician | Alberton, Johannesburg (On-site)

Are you a tech-savvy professional passionate about keeping systems running smoothly and teams connected? We're looking for a skilled
Internal IT Senior Network and Desktop Support Technician
to join a leading telecommunications company specializing in high-speed fiber and wireless networks.

In this role, you'll provide
Tier 1 and Tier 2 IT support
across hardware, software, and network systems — ensuring the reliability of both head office and remote operations. You'll handle everything from user setup and troubleshooting to maintaining the company's internal network and ensuring IT security best practices are followed.

Key Responsibilities:

Desktop & application support for internal users (Windows, macOS, Microsoft 365)

Network monitoring and troubleshooting (LAN/WAN, Wi-Fi, VPN, VoIP)

Implementing IT security measures and managing user accounts (Active Directory, MFA, antivirus)

Supporting mobile and remote field teams across multiple locations

Assisting in server and infrastructure maintenance

What You'll Need:

2–4 years' experience in IT support, desktop support, or help desk roles

Strong knowledge of Windows 10/11, Microsoft 365, and TCP/IP networking

Excellent troubleshooting, communication, and documentation skills

Relevant IT certifications (A+, Network+, or Microsoft Certified) are a plus

This is an
on-site role
based in
Alberton, Johannesburg
, offering a dynamic environment within a growing telecoms infrastructure company.

Company Description

Brilliant Computers Citadel and Information Technology provides 24/7 IT Maintenance Services across the globe, managed by a dedicated team of vibrant young professionals. We specialize in enhancing business performance through flexible and cost-effective IT solutions and ensuring exceptional customer experience.

Role Description

This is a part-time on-site role for a Network Support Engineer located in Voat Phnum. The Network Support Engineer will be responsible for daily network administration, network engineering tasks, technical support, troubleshooting network issues, and ensuring network security. The role includes maintaining and optimizing IT infrastructures to ensure seamless operation.

Qualifications

• Network Administration and Network Engineering skills
• Technical Support and Troubleshooting skills
• Network Security knowledge
• Excellent problem-solving and analytical skills
• Ability to work independently and as part of a team
• Bachelor's degree in Computer Science, Information Technology, or related field
• Relevant certifications such as CCNA, CompTIA Network+, or equivalent are a plus
• Experience in managing IT infrastructures is advantageous

Role Purpose

The Network Support Engineer L1 is a key member of the Westbase 247 NOC team, responsible for the initial handling and triage of customer and network-related incidents. This role supports the delivery of consistent technical assistance to customers, assists with first-line diagnostics, and provides a clear escalation path to higher-level engineers. The L1 Engineer plays a critical role in maintaining high levels of customer satisfaction by ensuring efficient, accurate, and timely support responses across communication channels.

Key Responsibilities

Technical Support and Incident Handling

• Provide first-line technical support to customers via phone, email, and internal platforms.
• Triage incoming incidents by gathering necessary technical details and classifying issues according to impact and urgency.
• Perform basic troubleshooting on network-related faults and escalate unresolved or complex cases to Level 2 or Level 3 support as appropriate.
• Log faults with upstream service providers or external vendors as necessary.
• Ensure that all issues are accurately documented and tracked in the internal ticketing system.

Communication and Customer Engagement

• Maintain regular communication with customers, providing clear, concise, and professional updates on issue status.
• Reinforce service level agreements (SLAs) and manage customer expectations effectively.
• Support the wider operations team by acting as the first point of contact for basic technical and service-related queries.

Collaboration and Escalation Support

• Work closely with Level 2 Engineers, Network Engineers, and Administration teams to escalate and resolve complex incidents.
• Participate in team discussions and troubleshooting sessions to further develop practical knowledge and skills.
• Assist in collecting relevant technical data (e.g., screenshots, logs, trace routes) to support escalated investigations.

Documentation and Knowledge Base Contribution

• Contribute to internal documentation by recording recurring issues, troubleshooting steps, and known workarounds.
• Update tickets with all relevant actions, timelines, and outcomes to ensure proper incident history.
• Support continuous improvement by flagging gaps or inconsistencies in processes or knowledge articles.

Role Requirements

• Minimum Certifications: CCNA, MTCNA, or JNCIA (or actively studying toward one of these).
• Experience: 1–3 years working within a WISP/FISP environment or Network Operations Centre.
• Fluent in English with excellent verbal communication and a professional phone manner.
• Calm, methodical, and process-driven when operating under pressure.
• Ability to work independently while adhering to established procedures and escalation paths.
• Enthusiastic about learning new technologies and committed to self-improvement beyond the formal work environment.

Job Type: Full-time

Pay: From R15 000,00 per month

Location:

• Century City, Western Cape (Required)

Work Location: In person

Visit for application

Closing date

We are seeking a versatile Network Engineer / Team Lead with strong Cisco ACI expertise and the ability to operate as a generalist across all areas of the network environment. This role combines technical delivery, team leadership, and end-to-end responsibility for maintaining and enhancing a complex enterprise and data centre network. The successful candidate will lead a team of 5 network engineers, 3 network interns, provide escalation support, and ensure seamless day-to-day operations while driving forward ACI-focused initiatives. The Required Tasks and Candidate Requirements are including, but not limited to

Required Tasks:

Monitor, troubleshoot, and resolve incidents across the entire network environment including LAN, WAN, Wi-Fi, firewalls, load balancers, and data centre infrastructure.

Provide ACI-specific support: APIC management, spine/leaf troubleshooting, and tenant policy administration.

Perform root cause analysis of recurring network issues and implement corrective actions.

Support change management processes including configuration changes, upgrades, and patching across all network platforms.

Cisco ACI Focus: Design and implement scalable ACI policies (tenants, VRFs, bridge domains, EPGs, contracts) aligned with business and security requirements.

Drive ACI fabric expansion, migrations, and multi-site or hybrid cloud integrations.

General Networking: Contribute to projects involving routing/switching, wireless, firewalls, WAN optimization, and load balancing.

Create and maintain technical documentation, standards, and network diagrams.

Requirements:

5 years of professional networking experience, with at least 2–3 years in Cisco ACI.

Strong generalist background across LAN/WAN, routing/switching, firewalls (Cisco/Checkpoint), wireless, load balancers (F5), and VPN technologies.

Proven expertise with Cisco ACI fabric (APIC, spines, leaves), tenants, VRFs, bridge domains, EPGs, and contracts.

Familiarity with Layer 2/3 protocols (VLANs, VXLAN, OSPF, BGP, MP-BGP EVPN).

Demonstrated leadership or team lead experience managing small to medium-sized teams

Structural Information
Job number:

Job title:
Specialist: Access Network Support (MN)

Job grade:
S5

Group/ BU:
CSB

Division:
Mobile Networks

Span of control:
0-5

Reports to:
Senior Management

Core Description
Responsible for operational service support to network operations role-players on access and core networkelements deployed and circuits provisioned with the view of meeting all specifi ed and desired companytargets and objectives. Interfacing and management of service providers as well as network assurance andcustomer satisfaction. Act as a subject matter expert on network and product performance to ensure apositive customer experience.

Job Responsibilities

• Manage and interface with service suppliers/ vendors on SLA/ KPI/ compliance/ for current and newtechnology introductions
• Advise on access network technology related assurance/ fulfi llment issues
• Analyse and advise on the current network design/ optimization
• Act as subject matter expert on access network/ core technology and products and services
• Evaluation of network design changes and manage/ advise on software patches
• Ensure all the network equipment installed are functional and comply with operational readiness standards
• Advise on and compile processes, work fl ow diagrams and design procedures
• Identify which services need to be improved on and how
• Evaluate network performance and provide directives to improve the network performance and customerexperience
• Manage new services/ products and support integrations into the network
• Manage and control change requests into the network
• Coordinate all network stakeholders and provide cross functional support
• Manage the currently deployed network capacity and dimensioning
• Report on network and product performance and improvement.

Core Competencies
FUNCTIONAL KNOWLEDGE

Customer experience; All access network technology types; Core/ Mobile technologies; Wireless technology; New generation network technology; Customer premises equipment; Business Processes; Project Management; Monitoring Systems; Contractor Management/ interface

Functional Skills
Analytical Thinking; Team player; Technical Problem Solving; Cross Functional Teamwork; Report WritingTechniques; Ability to communicate through all management levels; Trend Analysis; Persuasion; Presentation; Customer experience

ATTITUDES/ LEADERSHIP COMPETENCIES

Thought Leadership: Developing strategies/ Providing insights; Generating ideas; Exploring possibilities;Examining information; Adopting practical approaches

Market Leadership: Developing expertise; Challenging ideas; Interacting with people; Understanding people; Seizing opportunities; Managing tasks

Business Leadership: Pursuing goals; Taking action; Upholding standards; Managing tasks; Seizing opportunities

People Leadership: Making decisions; Empowering individuals; Challenging ideas; Directing people;Convincing people; Interacting with people

Personal Leadership: Embracing change; Thinking positively; Showing composure; Understanding people;Valuing individuals; Team working; Values Aligned with company Values

Certifications

• None

Education

• NQF 6: 3 year Diploma/ National Diploma in Telecommunication or Engineering

Experience

• 5 Years relevant experience

Additional Information
Special Requirements

• None

Physical Requirements

• None

Key Stakeholders

• Customers
• Suppliers/ Service Providers
• Partners
• Internal customers
• External customers

Main Purpose of the Role

The Desktop Technician is responsible for troubleshooting, identifying and resolving recurring operational issues, setting up hardware and software, and providing exceptional customer service. The role requires maintaining strong customer relationships and ensuring a positive experience for all users.

Key Responsibilities

• Install, configure, and maintain hardware and software applications as required.
• Provide general IT support to end-users.
• Assist users with the operation and repair of computer systems, network infrastructure, and other technical equipment.
• Collaborate effectively as a member of the IT support team, participating in technical discussions and knowledge sharing.

Requirements

• A+ certification.
• Minimum of 1 year of experience in an IT support role.
• Valid driver's license and own reliable transport.
• Strong verbal and written communication skills in both English and Afrikaans.

This position is ideal for candidates who are passionate about IT support and customer service, and who are eager to work in a collaborative and dynamic environment.

Please submit your CV with salary expectations to

Should your application be successful, we will be in contact with you. If you do not hear from us within two weeks of your application, please consider your application as unsuccessful.

Job Type: Full-time

Pay: R10 000,00 - R14 000,00 per month

Work Location: In person

Datacentrix is seeking a highly skilled
Network Security Architect
to join our team. The ideal candidate will possess deep technical expertise in network infrastructure, security, and cloud technologies, coupled with strong business acumen and the ability to design scalable, secure, and cost-effective solutions. This role requires an individual who can seamlessly bridge technical strategy with business objectives, collaborating across teams, vendors, and leadership to drive innovative network and security architectures.

Qualifications and Experience Required:

• Matric plus a relevant IT diploma/degree (or equivalent experience).
• CCNA/CCNP or equivalent networking certification
• At least 4 years of experience in technical architecture or related roles.
• Relevant professional certifications are advantageous, such as:
• Palo Alto PCNSA certification
• Cloud certifications (AWS Solutions Architect, Azure Solutions Architect)
• CompTIA Security+ or equivalent security certifications
• Hands-on experience with firewall technologies (Palo Alto preferred) and multi-vendor network troubleshooting.

Key Responsibilities:

• Solution Design & Architecture:
  Design comprehensive technical solutions that meet business requirements, produce detailed technical documentation and architecture diagrams, evaluate and recommend appropriate technologies, and ensure all solutions are scalable, secure, and aligned with business goals.
• Research & Development:
  Evaluate emerging technologies and industry trends, conduct proof-of-concepts, and assess the viability and ROI of new solutions to enhance business performance.
• Network Infrastructure & Security:
  Design scalable network architectures with a focus on performance, reliability, and integrated security. Architect firewall topologies (including NGFW and WAF), develop zero-trust frameworks, implement network segmentation strategies, and design secure cloud connectivity patterns.
• Business Collaboration:
  Work closely with business stakeholders to gather and interpret requirements, translate complex technical concepts into clear, business-friendly language, and present solutions effectively to both technical and non-technical audiences.
• Vendor Management & Support:
  Engage and manage multiple technology vendors, evaluate products and services, negotiate technical specifications, and serve as the key technical liaison for vendor-led implementations.
• Incident Response & Support:
  Provide technical expertise during security incidents and outages, collaborate with security teams on investigations, participate in post-incident reviews, and document preventive measures.