90 Senior Network Engineer jobs in South Africa

Reference: NWA002931-Njabu-3
If you are an experienced Network Engineer who wants to make a difference in a continuously growing company, then APPLY NOW!

The Network Engineer role is responsible for designing, building, maintaining, and documenting the network security infrastructure.

• Relevant IT Networking and Security Certifications, plus appropriate Diploma
• Experience and product-specific training
• 5 Years’ experience
• Willing to work extended hours/shifts
• Willing to travel
• ITIL or Networking certificates (advantageous)
• Administration of Firewalls, Routers, Switches, Intrusion Prevention Systems, Intrusion Detection Systems, Network Access Control (NAC), and Virtual Private Networks (VPN)

If you are interested in this opportunity, please apply directly. If you wish to send your CV via email, forward your CV to and copy the reference number in the subject line of your e-mail.

If you have not had any response in two weeks, please consider the vacancy application unsuccessful. Your profile will be kept on our database for any other opportunities that appear for which you might be more suitable.

For more information contact:
Njabulo Ndzimande on
IT Recruitment Consultant

• Execute network deployment, migration, and upgrades based on design specifications
• Install and configure network equipment
• Participate in structured rollouts and infrastructure refresh projects
• Conduct scheduled preventative maintenance and apply firmware updates
• Monitor and optimize network performance across switching, routing, and firewalls
• Maintain accurate and up-to-date network documentation
• Update diagrams, configurations, and standard procedures
• Generate routine reports on network performance and incidents

• Minimum 3 years of experience supporting enterprise network environments
• Strong understanding of IP networking, routing/switching fundamentals, and firewall configuration
• Certifications:
  • CompTIA Network+ or Security+
  • Cisco CCNA Security
  • PaloAlto PCNSA
  • Vendor-specific (e.g., Arista and Mellanox)
• Experience with SD-WAN (VeloCloud preferred)
• VOIP fundamentals, including SIP, RTP, and QoS
• Exposure to cloud networking (Azure or AWS)
• Familiarity with scripting (Python and PowerShell) and network automation
• Hands-on with wireless networking (Meraki)
• Network performance monitoring and management platforms

• 5 years of experience in the design and implementation of SDWAN
• Design SDN and LAN.
• Implementing and testing SDN solutions that optimize, secure and manage data across connected networks.
• Data Network fault investigations and analysis and the implementation of resolutions.

• Network Architecture & Design.
• Multicast Protocols and Solutions.
• SD-WAN Design Concepts.

PURPOSE OF THE ROLE

The key function of this position is to be a technical support resource to support the local network for Power Monitoring, IT and Security. Part of the duties will be to travel to the outside stations on an ad hoc basis for upgrades and changes.  This role must be available to work after hours and be on standby from a standby roster. This role will also need you to be the escalation point for the Tier 1 resource.

MAIN FUNCTIONS OF THE JOB

The main functions of the role are, but are not limited to:

• Remote IT Network troubleshooting and support, predominately layer 2;
• Logging and updating calls via the ticketing system;
• Interaction with other providers and service providers;
• Interactive relationship with management;
• Maintenance of Security, IT and Environmental networks on all sites;
• Maintaining Wi-Fi on all sites including monthly wi-fi health reports;
• Maintain the Network backup tool;
• Involvement in the design of the network & maintain network documentation;
• Configuring, Installing and maintenance of network switches;
• Management & implementation of Clearpass switch configurations & implementation of device configuration updates;
• Comply to all policies and procedures, including strict compliance to Teraco’s information security policies and procedures;
li>Identification & escalation of information security risk, as it relates to network and other areas of responsibility;
• Incident response and management; Problem resolution within agreed timelines;
• Afterhours user support, as per the standby roster.

SKILLS REQUIREMENT

• Excellent interpersonal relations.
• Excellent verbal and writing skills.
• Attention to detail imperative.
• Ability to multi-task is essential.
• Able to perform under pressure.
• Ability to adapt to change.
• Open to learning and growth essential.
• Take accountability and ownership.

QUALIFICATIONS AND EXPERIENCE

• Matric;
• Technical qualification /IT Diploma - CCNA/ACMA certified; CCNP advantageous;
• Minimum of 2 years’ work experience in a networking technical support role;
li>Accustomed to working in a high-energy environment;
• Windows Server and Windows 10/11 experience - advantageous
• Technical competence and understanding is vital;
• Valid South African Driver’s License;
li>Basic understanding of Network Security
• Excellent understanding of switching and routing and their related technologies - TCP/IP, IP Addressing, CIDR and DNS. STP, VPN technologies, OSPF, ZTNA, SDN.

Responsibilities

• Perform network maintenance and system upgrades including service packs, patches, hot fixes and security configurations.
• Configure and install various network devices and services (e.g., routers, switches, firewalls)
• Monitor performance and ensure system availability and reliability.
• Ensure effective inventory controls are kept of networking equipment
• Procuring network equipment and managing subcontractors involved with network installation
• Ensure that all equipment is fully functional and update documentation as required.
• Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure.
• Adhere to company and department policies and procedures
• After hours standby on a rotational basis
• 2nd line data and voice downtime troubleshooting and support
• Provide support to the 1st line helpdesk support team to manage all telco related data and voice troubleshooting and support
• Escalate any issues that cannot or are not resolved timeously to 3rd line support/vendor and follow up with them on the progress and resolution of these issues.
• Ensure that all issues resolved are well documented and if required update both the 1st line and 3rd line support structures and the standard procedures manual.
• Support Network team with support functionality and training of users on VOIP phones system.

Requirements 

• Tertiary or related IT qualification (advantageous) N+ / A+
• Preference will be given to candidates with five-plus years network experience
• In-depth understanding and practical knowledge of networking systems such as LAN, firewalls, SD-WAN, Access Points, routers and routing.
• A good understanding of computer hardware and terminology
• Effective written and verbal communication skills
• Ability to liaise with all levels of the organisation
• Ability to problem solve and prioritize issues
• A self-motivated team player with strong interpersonal skills
• Ability to manage the demands of a pressurized work environment

Please note:  The Cape Union Mart Group is committed to transformation.  Appointments and promotions will be made based on candidates who best meet the requirements for the position. Preference will be given to candidates who will enhance the diversity of the team, aligned to our Employment Equity plan.

Well established Cape Town based IT ISP/ FNO company is seeking a highly skilled Senior Network Engineer to design, implement, maintain, and troubleshoot the network infrastructure.

The ideal candidate will be responsible for ensuring the reliability, scalability, and security of our networks while mentoring junior engineers and collaborating on strategic initiatives.

This role requires expertise in configuring and managing network devices, designing robust architectures, and optimizing performance for customer satisfaction.

The ideal candidate will also be able to identify any potential issues and recommend solutions to future proof the network.

The position is based fulltime at the office in Cape Town. The individual must have a valid drivers license and own transport.

Relocation to Western Cape will be for the candidate’s own account.

Duties and Responsibilities:

• Network Configuration and Maintenance
  • Configure, maintain, and troubleshoot routers, switches, firewalls, and access points.
  • Ensure optimal performance and reliability of all network devices.
• Network Infrastructure Design
  • Design and implement scalable, resilient, and high-performance network architectures.
  • Utilize H3C, Huawei,MikroTik and Cisco equipment to meet business needs.
• Network Monitoring and Optimization
  • Use monitoring tools to assess network performance, utilization, and security.
  • Identify, resolve, and optimize network issues to enhance efficiency.
• Network Security
  • Implement and maintain security measures, including firewalls, intrusion detection/prevention systems, and VPNs.
  • Safeguard against cyber threats and unauthorized access.
• Troubleshooting and Issue Resolution
  • Diagnose and resolve network incidents promptly to minimize service disruptions.
  • Handle service requests related to core network issues.
• Network Documentation
  • Maintain up-to-date documentation of configurations, diagrams, and procedures for troubleshooting and planning.
• Project Implementation
  • Collaborate on infrastructure projects such as upgrades, migrations, and expansions.
  • Ensure timely and budget-compliant project delivery.
  • Assist Sales team with customer specific solutions by attending meetings and engaging with end users when required.
• Vendor Coordination
  • Liaise with 3rd party vendors (DFA, WIOCC, Liquid, Vumatel) for onboarding and troubleshooting.
  • Ensure vendor compliance with SLAs.
• Change Management
  • Implement changes following standardized processes and document thoroughly.
  • Core Backbone and Failover
  • Design and manage failover solutions using protocols like OSPF, BGP, iBGP, STP, and VXLAN.
• PPPOE Server Management
  • Configure and monitor PPPOE server pools for customer connection authentication.
  • Optimize server performance and capacity.
• Team Leadership
  • Mentor junior engineers and foster a collaborative team environment.
• IP Address Management
  • Manage IP allocation, subnetting, and assignment using IPAM solutions.
• Routing Protocols Management
  • Configure and optimize routing protocols (OSPF, BGP) to enhance traffic flow.

Minimum requirements in order to be considered for the role:

• Matric and Tertiary IT Degree / Diploma or equivalent
• Certifications such as CCNA, CCNP, MTCNA, Huawei (HCIA, HCIP) or equivalent required
• ITIL certification is an advantage.
• Prior experience working in a Networking environment, IT Infrastructure
• Prior experience working in the ISP or FNO Industry
• Valid Drivers license and own car
• Network Monitoring: Iris and Observium
• Proven expertise in configuring and managing Cisco, MikroTik, H3C and Huawei devices.
• Fibre Management: GPON OLT platforms, OTDR trace interpretation, GIS systems
• Ticketing/CRM: Freshdesk,or proprietary systems
• Network Protocols: BGP, OSPF, VLANs, PPPoE, DHCP, DNS, IPv4/IPv6 subnetting
• VoIP/SIP troubleshooting and diagnostics
• Familiarity with network monitoring tools and incident management systems.
• Excellent problem-solving and analytical skills with the ability to quickly assess and resolve network issues.
• Ability to work independently and efficiently in a fast-paced, 24/7 environment.
• Strong communication and interpersonal skills, with the ability to collaborate effectively with team members and stakeholders.
• Willingness to work flexible hours, including standby

Key Performance Indicators:

• Network Uptime: Ensure 99.9% network uptime with minimal unplanned outages.
• Incident Resolution: Resolve 100% of escalated core network issues within SLA timelines.
• Change Control Management: Approve and review 100% of network change requests to ensure proper documentation and implementation.
• Training: Conduct at least 2 training sessions per quarter for Tier 3 NOC staff on advanced troubleshooting and core network operations.
• Oversight : Check teams work, ensuring all protocols and best practices are being followed.
• Escalation Handling: Act as the primary escalation point for complex core network faults requiring advanced troubleshooting for network or customer fualts
• Network Monitoring: Continuously monitor network performance and ensure 100% of devices are properly added, tracked, and managed.
• Customer Onboarding Solutions: Draft comprehensive network solutions for 100% of new customer onboarding requests to meet technical and business requirements.
• Network Capacity Planning: Proactively monitor and plan network capacity to support current and future customer demands, ensuring scalability and performance.
• Documentation Updates: Update 100% of network documentation within 24 hours of changes.
• Project Delivery: Complete 95% of project tasks within agreed timelines and budgets.

• Monitor the work and overall performance of regional network and voice technology systems for region mining operations.
• Evaluate and ensure processing performance relating to system and machine utilisation, reliability and capacity
• Forecast financial, physical, and human resource needs to meet established objectives.
• Manage all licensing exposure within the networking, voice and perimeter security infrastructure.
• Provide specialised support for network services, concentrating on all aspects of network infrastructure (LAN/WLAN/Mesh), tailored to meet the needs of all mining operations.
• Manage all risks relating to Regions Network Infrastructure.
• Efficiently oversee expenses related to the network infrastructure within the region, ensuring transparency and effectiveness in managing investment decisions and budget allocations to maintain equipment health.
• Perform a monthly assessment of service delivery, with a specific focus on support vendor contributions. Oversee vendor performance to ensure adherence to contractual obligations for services and projects
• Serve as the primary escalation point for regional incidents or intricate site incidents concerning networking and communication infrastructure.
• Understand technological trends and use this knowledge to bring solutions to business units supported to enhance the enterprise’s competitive edge.
• Oversee and coordinate frameworks, designs, blueprints and restoration plans that isolate problems and implement pre-planned alternative routes or systems to restore service in networks and communication environments.
• Promote and enforce business and technology standards, as well as best practices, within Networking
• environments.
  
  

• An undergraduate qualification (Bachelors degree/Diploma or equivalent) in relevant IM Discipline
• It would be advantageous to have a postgraduate qualification in the related IM discipline OR a proven track record of extensive practical experience in a role and context of similar complexity.
• Registration with professional bodies (Desirable)
  
  

• Valid EB/Code 08 driver’s licence
• Desirable: CompTIA Security+
• Cisco Certified Entry Networking
• Technician (CCENT)
• Cisco Certified Network Associate –
• Routing and Switching (CCNA)
• Cisco Certified Network Associate –
• Security (CCNA-Security)
• Cisco Certified Network Professional (CCNP) Enterprise certification.
  
  

• 5- 7 years working experience in similar role
  
  

• Proven track record of implementing and maintaining network and voice technology systems for region mining operations
• Expert in wired and wireless LAN/WLAN/Mesh technologies
  
  

• Proficiency in networking protocols, network security and information management systems is essential.
• Proficiency in specialized tools and technologies, including routers, switches, firewalls, intrusion detection/prevention systems, and network monitoring software, is essential.
• Ensure vendors are held accountable for meeting SLA indicators.
• Liaise with solutions design and architecture to ensure that roadmaps are followed and services are introduced with excellence.
• Analyse and identify root causes of risk and quantify potential business impact.
• Engage with key stakeholders and understand their process requirements.
• Implement best-fit solutions to meet stakeholder requirements and contribute to region process enhancements.
• Perform continuous monitoring reviews and measure defined quality and quantity indicators.
• Interpret policy and explain why work needs to be completed in a particular manner.
• Explain how a particular process task needs to be fulfilled
• Assign and re-assign work to ensure outputs and the elimination of waste
  
  

• Meaningful work in a high-performance, values-led environment.
• Market-aligned reward and recognition.
• Opportunities for learning, development and progression.
• A culture that respects diversity and encourages innovation.
• A clear commitment to safe Operations.
  
  

Job Title

Senior Network Engineer

Location

Johannesburg

Reports to

Head of Cloud Infrastructure Management

Role Description

This technical role is responsible for providing high-quality and timely network management support to ensure the availability, stability, and performance of data centers, cloud platforms, and corporate systems.

Key Responsibilities

1. Network Management
2. Cloud, On-premises, Hybrid

Organisational Design

This position is part of the CIO department and reports to the regional Head of Cloud Infrastructure Management.

Specific Role Responsibilities

• Design: Ensure network environments are designed according to best practice standards for resilience and availability to maintain high SLAs.
• Availability: Meet uptime SLAs monthly by managing issue logs, performing scheduled maintenance, and minimizing disruptions.
• Performance: Monitor network performance, capacity, and growth; suggest and implement improvements to meet performance SLAs.
• Information Security: Maintain network security by following policies, implementing controls, conducting risk assessments, and documenting for audits.
• Business Continuity: Ensure backups are performed and tested; participate in BCP & DR tests; keep documentation up-to-date.
• Training: Develop technical skills and mentor team members.
• Project Work: Implement projects within timelines, collaborating with multinational teams.
• Budget: Recommend cost-saving measures in your areas of responsibility.

Experience and Qualifications

• Degree or equivalent industry certifications and relevant experience.
• CCNP certifications; F5 XC advantageous.

Network management experience supporting:

• 5+ years in campus networks, data center LAN, firewalls.
• Cloud networking support.
• Familiarity with Cloud, LAN, WAN, WLAN, SAN, VoIP networks.
• Subnetting, routing protocols, network redundancy, load balancing, BGP.
• Network security, access control, telephony, management tools, documentation, performance, patching, VPNs, network hardening, hypervisor networking.

Key Technologies

• Cisco, F5, Checkpoint, Fortinet, Solarwinds, VMware, Microsoft, Linux, Azure, AWS.

Attributes

• Interest in latest technologies, project implementation success, teamwork, independence, initiative, change management.
• Excellent communication, problem-solving, adaptability, prioritization in high-pressure environments.

About FNZ

FNZ is committed to making wealth management accessible to all, providing a global platform that integrates modern technology with business operations within a regulated financial environment. We serve over 650 financial institutions and 12,000 wealth managers, managing US$1.5 trillion in assets, helping over 20 million people worldwide to invest in their future.

Direct message the job poster from Penta Consulting

Penta Consulting supports technology resource solutions across EMEA. We are currently supporting a big client of ours in the telecommunication sector in South Africa.

Role: To co-ordinate and manage all high-level support activities on the Core network equipment by providing 2nd line support and maintenance for the core network equipment, by applying expert knowledge and system management capabilities, ensuring maximum availability of the Core network to the customer.

Key Skills:

• 3 years’ experience in Core Network support.
• Extensive knowledge of Supplier’s Core Network equipment.
• A complete understanding of the configuration, operation and maintenance of Core Network equipment.

• Mid-Senior level

• Contract

• Information Technology
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• IT Services and IT Consulting