17 Mtn jobs in Pretoria

To implement and support a high-end network environment within the infrastructure and operations division.

• Establish the networking environment by designing network Solutions as per defined Network Strategy to improve the resilience of the current Environment.
• Maximise the network performance by monitoring performance, troubleshooting high end network problems and outages, scheduling and implementing upgrades.
• Collaborate and consult with other BU Architects / Owners to effectively optimize the network environment.
• Investigate LAN, WAN and Firewall environments using information from multiple sources.
• Securing of network systems and company IT Infrastructure by establishing and enforcing policies and defining and monitoring access.
• Support and administer firewall environments in line with IT security policy.
• Report network operational status by gathering and prioritizing information and managing projects.
• Upgrade data network equipment to the latest stable firmware releases to ensure compliancy.
• Configure routing and switching equipment, hosted IP voice services and firewalls.
• Provide remote support to on-site engineers and end users/customers during installation.
• Capacity management and audit of IP addressing and hosted devices within data centers.
• Liaise with project management teams, third-line engineers and service desk engineers on a regular basis.
• Lead an Automation and Innovation strategy.

• Matric and tertiary qualification.
• 5 years experience as a Senior/Principal Network Engineer or Solutions Architect. (CCNP , NSE4, CCIP, CCIE)
• Solid networking foundation to deploy and troubleshoot Layer 1,2, and 3 protocols as well as DNS, Proxy, load balancers, and firewalls.
• Senior Level experience with Network Optimisation services.
• Senior Level technical understanding of LAN and WAN technologies, including multiple network operating systems and hardware platforms such as Cisco, HP, Aruba, SDWAN and Fortigate.
• Technical experience with installing, configuring, monitoring, troubleshooting and supporting network components (LAN and WAN environment) and protocols (BGP , EIGRP , OSPF).
• Broad infrastructure knowledge/experience on Enterprise systems such as Active Directory, Voice, Infrastructure systems.
• Experience in Azure, AWS and Cloud based systems.

Cloud Network Engineer: This role will be centered around the following functions: a) Statistical data processing (Data Mining) b) Artificial Intelligence (AI), including generative AI c) Predictive modelling using Machine Learning and Data Science techniques d) Time-series modelling and simulation models e) Development, validation and audit of financial, risk, marketing and business-oriented models f) R&D projects

We are seeking a highly skilled and experienced Network Specialist to join our team, with proven expertise in network design, administration, and architecture.  The role requires strong technical proficiency in access networking technologies, routers, firewalls. Excellent communication and customer interaction abilities are required, alongside strong collaboration skills to support teamwork and achieve shared goals. The position also requires physical capability for tasks such as hardware installation and the ability to travel with a valid driver’s license and own vehicle.

What you'll do:

• Solid background in network design, administration, implementation and architecture.
• Familiarity with access control models and network security.
• Evaluate designs to determine the most efficient and effective solution.
• Experience in selecting, design engineering, solution engineering, project engineering, integrating, and implementing multi-vendor network architecture and related technologies.
• Excellent knowledge of access networking technologies, routers firewalls, VPN, ZTNA, and SDWAN solutions, Quality of Service, subnetting, etc.
• Installing, configuring, and troubleshooting routers, firewalls, switches, and wireless (able to build configurations and solutions that conform to standards without guidance).
• Demonstrated skills in developing a technology plan including technical strategy and direction as well as the related business case for the use of that technology.
• Essential skills include expertise in network protocols, security best practices, and problem-solving. 
• Maintaining accurate and up-to-date network documentation, including diagrams and configurations.
• Identifying and resolving network connectivity issues, ensuring minimal downtime and optimal performance. 
• Strong root cause analyses and report writing.  
• Strong routing protocol knowledge especially BGP.
• PCI-DSS and ISO 27001 knowledge. 
• Python and scripting experience.
• Knowledge of cloud networking concepts.

Your Expertise:

• At least 10 years of hands-on experience in network device configuration and troubleshooting
• English - Can converse and has the necessary email skills
• Excellent Customer Interaction with clear, concise, and effective communication skills
• Effectively collaborate with the team to achieve common goals
• Identify and resolve issues effectively.

Qualifications:

• National Senior Certificate/ Matric/ N3/ Grade 12
• Degree or Diploma in Information systems/Computer science 
• ITIL Foundation certification
• Aruba (ACSP/ACMP/ACP-Campus Access)/Fortinet NSE7/JNCIA-Design 
• Current Cisco/Juniper/HPE Network/HUAWEI Professional certification (e.g., CCNP, CCDP, JNCIP)

Other information applicable to the opportunity:

• Permanent position
• Location: Pretoria
• Physical Demands: Long sitting, Rack and stack of hardware equipment, Bending and walking
• Travel: Must have a vehicle and a valid driver’s license.
  

Why work for us?

If the daily grind makes you wonder if there's more to life than work, get ready to discover a professional journey that embraces excellence without compromise.

You've arrived at iOCO Infrastructure Services (iOCO IS), where we are all about delivering outstanding client experiences through sustainable, innovative IT infrastructure solutions that tackle business challenges head-on. Here you get to partner with clients, helping them conquer their business Goliaths while they focus on scaling their empires.

At our core, we're challengers, disruptors, and innovators. We're a community of skilled professionals with an ambitious spirit dedicated to providing for our clients while finding joy in the process. Our clients are at the heart of everything we do. Their satisfaction fuels our fire and propels us forward. We're talking about brainstorming sessions that sound like TED talks and spontaneous celebrations for achievements, big and small.

iOCO is an equal opportunity employer with an obligation to achieve its own unique EE objectives in the context of Employment Equity targets. Therefore, our employment strategy gives primary preference to previously disadvantaged individuals or groups.

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Main Job Purpose

The IT Network Engineer is responsible for designing, implementing, maintaining, and supporting the companyâs network infrastructure. This includes ensuring the integrity of high-availability network infrastructure to provide maximum performance for users and systems. The ideal candidate will be well-versed in network administration and architecture, security best practices, and emerging technologies.

Group IT Network Engineer

Recruiter:

Tolcon Group (Pty) Ltd

Job Ref:

JHB /RA

Date posted:

Monday, May 26, 2025

Location:

Centurion, South Africa

SUMMARY:

Company: Tolcon Head Office

Location: Centurion

POSITION INFO:

Main Job Purpose

The IT Network Engineer is responsible for designing, implementing, maintaining, and supporting the companyâs network infrastructure. This includes ensuring the integrity of high-availability network infrastructure to provide maximum performance for users and systems. The ideal candidate will be well-versed in network administration and architecture, security best practices, and emerging technologies.

Â

Organogram

Superior 2nd Level: Group Head of IT

Superior: Group IT Network and Security Specialist

This Position: Group IT Network Engineer

Subordinate 1st Level: None

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Employment Specification

• Education (minimum requirements to perform the job):
• School: Grade 12
• Post School: None
• Job Related:
• Microsoft Office Products Suite Competent (requirement)
• Microsoft Visio Competent (requirement)
• CompTIA A+ and N+ Certification (requirement)
• CompTIA Security+ Certification (advantage)
• Cyber Security Related Certification (advantage)
• HP/Aruba and/or Ubiquiti Certification (preferred)
• CCNA, CCNP or CCNE (advantage)
• FortiGate/FortiOS Certification (advantage)
• Linux Administration (advantage)
• ITIL Foundation (advantage)
• In House:Â In House Induction
• Other : Valid Unendorsed Code 08 Drivers License
• Experience: At least 5 years IT related experience

• Proven experience in a similar role.
• Excellent writing, documenting, and communication skills in English.
• Presentable to our clients and contractors.
• Excellent Computer Literacy Skills.
• Interpersonal Relationship Skills.
• Excellent problem solving and trouble shooting skills.
• Excellent planning and follow through of daily activities.
• Strong attention to detail.
• Ability to work well within a team or alone.
• Ability to act quickly in crisis situations and solve problems in stressful situations and under pressure.
• Commitment to service delivery, excellent end-user experience and right first-time principles.
• Ability to explain technical concepts to inexperienced users.
• Time management, self-driven and motivated.
• Solid understanding and experience in backup and recovery principles.
• Solid UDP/TCP/IP and networking knowledge, inclusive of VLAN, LAN, WLAN and WAN (required).
• Linux administration and support skills (advantage).
• Solid understanding of network and cybersecurity infrastructure and related best practices.
• Hands-on experience with HP/Aruba, Ubiquity and related networking equipment, including configuration and management.
• Proficiency with FortiNet devices and related security infrastructure (preferred).
• Experience with VoIP systems and familiarity with underlying protocols (advantage).
• Working experience with Data Leak Prevention (DLP) technologies and policies (advantage)
• Familiarity with international security standards, including ISO 27001 and PCI DSS (advantage).
• Experience with firewalls, intrusion detection/prevention systems, and endpoint protection.
• Competency with monitoring tools such as PRTG, Wireshark, NESUS or similar.
• Understanding VLANs, subnetting, DNS, DHCP, and routing protocols.
  
  

• Driver of a light motor vehicle
• Will require lifting of networking equipment and working in data centres.
  
  

• Office-based with occasional travel to remote sites (local and international).
• Availability for urgent issues outside of regular hours may be required.
  
  

• Improves system performance and end user experience by identifying repetitive problem areas and recommending possible changes or improvements.
• Ensure security and privacy compliance of end-user, endpoint, network connectivity and computer systems.
• Timeously install and configure appropriate software, hardware, and equipment, according to company specifications and best practise standards, ensuring license compliance.
• Custodian of the software asset registers; accurate allocation, license renewals and billing verification.
• Provide orientation and guidance to users on how to operate software and computer equipment, walk the customer through the problem-solving process.
• Provide general remote and onsite hardware support, that includes troubleshooting through diagnostic techniques and pertinent questions to resolve incidents, requests, and problem tickets successfully.
• Ensure all user queries, requests, incidents, related troubleshooting steps and resolutions are captured, validated, and triaged for further processing.
• Ensure frequent follow-up, continues and timeous updates on tickets, and feedback through ticketing system, managing all user expectations.
• Assign unresolved or more complex incidents and/or requests timeously to the next escalation tier stipulated in the technical support escalation matrix.
• Manage the full life cycle of assigned incidents and requests logged on the service desk ticketing system and achieve the set service level agreement KPI.
• Maintain and control of all IT inventory (Software and Hardware) assets by providing accurate information when installing, moving, or replacing assets, to update asset registers and inventory lists accordingly.
• Maintain and control data centre and security access.
• Perform, report, and submit all preventative checklists on all systems as per the stipulated procedures.
• Perform proactive monitoring of the ICT infrastructure, by troubleshooting, reporting, escalating, and logging of alerts, and preventative maintenance tasks.
• Maintain neat and tidy workspace, data centres, and storerooms.
• Maintain confidentiality regarding information being stored, processed, or accessed.
• Adapts quickly to changing circumstances, new standards, and requests by company management.
• Acts quickly in crisis situations for the company to resume normal operations as soon as possible.
• Liaising and working closely with 3rd party vendors, suppliers, and ICT providers for specific requirements.
• Contributes to the overall operations of the company by writing, updating, and maintaining internal setup operational procedures.
• Create, maintain, and update network architecture, deployment and configuration documentation.
• Adhere to and follow the Change Control Process, when doing system or configuration changes.
• Analyse, evaluate and propose innovative solutions, modifications, upgrades, or changes to improve and optimise the organisationâs ICT Infrastructure, business requirements and end-user experience.
• Troubleshoot and resolve network and last-mile connectivity issues promptly, in line with internal and external service level agreements (SLAs).
• Compile and produce timely Root Cause Analysis (RCA) and Incident Reports for network outages or security incidents.
• Design, configure, and implement network infrastructure (LAN, WAN, WLAN, VPN/IPSEC, Firewalls, Switches) according to industry networking and security best practices.
• Administer and maintain DNS, DHCP, switches, firewalls, and wireless network (WLAN) infrastructure.
• Ensure networking and security device configurations are regularly backed up and securely stored.
• Participate in disaster recovery planning and execution related to networking.
• Perform regular maintenance and upgrades, including service packs, patches, firmware updates and security configurations, to ensure that networking equipment, monitoring software, related ICT equipment and security posture meet compliance standards.
• Ensure the organisationâs ICT infrastructure aligns with international security standards.
• Accurate, timeous, and neat monthly reports, including but not limited to project progress and timelines. Escalate hurdles or delays affecting delivery to Management timeously.
• Responsible for following and adhering to all company policies and procedures.
• Other duties as required to ensure the successful operation of the business and services delivered by the IT Department.
  
  

• Seniority level Mid-Senior level

• Employment type Full-time

• Job function Information Technology
• Industries Advertising Services

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Responsibilities:

• Stronger technical networking experience with in-depth skills in LAN/WAN and MPLS environments and hands-on experience in overall day to day network troubleshooting.
• Provide second-level technical support for network-related incidents and requests escalated from Level 1 support.
• Monitor network performance and troubleshoot problems with routers, switches, firewalls and other network infrastructure.
• Diagnose and resolve LAN/WAN, wireless and VPN connectivity issues.
• Maintain and update network documentation, diagrams, and change management records.
• Assist in the implementation and deployment of new networking hardware, software and related technologies.
• Collaborate with third-party vendors and service providers for troubleshooting and resolution.
• Perform root cause analysis for recurring issues and provide recommendations for permanent fixes.
• Participate in scheduled on-call rotations and after-hours support as needed.
• Ensure compliance with security policies and best practices in network configurations

Qualifications:

• Diploma or degree in IT, Computer Science, or related field.
• 3+ years of experience in network support or engineering.
• Strong knowledge of TCP/IP, DNS, DHCP, VLANs, and routing protocols.
• Experience with Cisco, Juniper, Fortinet, or similar technologies.
• Familiarity with network monitoring tools (e.g., SolarWinds, PRTG).
• CCNA or equivalent certification preferred.

Skills:

• Hands-on experience with Cisco, Juniper, or similar networking equipment. Familiarity with firewalls, wireless controllers and load balancers.
• Proficiency in network monitoring tools (e.g., SolarWinds, Airwaves Aruba, ControlUp). Working knowledge of Windows and/or Linux environments.
• LAN/WAN and MPLS environments

Role Summary

To implement and support a high-end network environment within the infrastructure and operations division.

Responsibilities:

• Establish the networking environment by designing network Solutions as per defined Network Strategy to improve the resilience of the current Environment.
• Maximise the network performance by monitoring performance, troubleshooting high end network problems and outages, scheduling and implementing upgrades.
• Collaborate and consult with other BU Architects / Owners to effectively optimize the network environment.
• Investigate LAN, WAN and Firewall environments using information from multiple sources.
• Securing of network systems and company IT Infrastructure by establishing and enforcing policies and defining and monitoring access.
• Support and administer firewall environments in line with IT security policy.
• Report network operational status by gathering and prioritizing information and managing projects.
• Upgrade data network equipment to the latest stable firmware releases to ensure compliancy.
• Configure routing and switching equipment, hosted IP voice services and firewalls.
• Provide remote support to on-site engineers and end users/customers during installation.
• Capacity management and audit of IP addressing and hosted devices within data centers.
• Liaise with project management teams, third-line engineers and service desk engineers on a regular basis.
• Lead an Automation and Innovation strategy.

Qualifications

• Matric and tertiary qualification.
• 5 years experience as a Senior/Principal Network Engineer or Solutions Architect. (CCNP , NSE4, CCIP, CCIE)
• Solid networking foundation to deploy and troubleshoot Layer 1,2, and 3 protocols as well as DNS, Proxy, load balancers, and firewalls.
• Senior Level experience with Network Optimisation services.
• Senior Level technical understanding of LAN and WAN technologies, including multiple network operating systems and hardware platforms such as Cisco, HP, Aruba, SDWAN and Fortigate.
• Technical experience with installing, configuring, monitoring, troubleshooting and supporting network components (LAN and WAN environment) and protocols (BGP , EIGRP , OSPF).
• Broad infrastructure knowledge/experience on Enterprise systems such as Active Directory, Voice, Infrastructure systems.
• Experience in Azure, AWS and Cloud based systems.

Role Summary

To implement and support a high-end network environment within the infrastructure and operations division.

Responsibilities:

• Establish the networking environment by designing network Solutions as per defined Network Strategy to improve the resilience of the current Environment.
• Maximise the network performance by monitoring performance, troubleshooting high end network problems and outages, scheduling and implementing upgrades.
• Collaborate and consult with other BU Architects / Owners to effectively optimize the network environment.
• Investigate LAN, WAN and Firewall environments using information from multiple sources.
• Securing of network systems and company IT Infrastructure by establishing and enforcing policies and defining and monitoring access.
• Support and administer firewall environments in line with IT security policy.
• Report network operational status by gathering and prioritizing information and managing projects.
• Upgrade data network equipment to the latest stable firmware releases to ensure compliancy.
• Configure routing and switching equipment, hosted IP voice services and firewalls.
• Provide remote support to on-site engineers and end users/customers during installation.
• Capacity management and audit of IP addressing and hosted devices within data centers.
• Liaise with project management teams, third-line engineers and service desk engineers on a regular basis.
• Lead an Automation and Innovation strategy.

Qualifications

• Matric and tertiary qualification.
• 5 years experience as a Senior/Principal Network Engineer or Solutions Architect. (CCNP , NSE4, CCIP, CCIE)
• Solid networking foundation to deploy and troubleshoot Layer 1,2, and 3 protocols as well as DNS, Proxy, load balancers, and firewalls.
• Senior Level experience with Network Optimisation services.
• Senior Level technical understanding of LAN and WAN technologies, including multiple network operating systems and hardware platforms such as Cisco, HP, Aruba, SDWAN and Fortigate.
• Technical experience with installing, configuring, monitoring, troubleshooting and supporting network components (LAN and WAN environment) and protocols (BGP , EIGRP , OSPF).
• Broad infrastructure knowledge/experience on Enterprise systems such as Active Directory, Voice, Infrastructure systems.
• Experience in Azure, AWS and Cloud based systems.