11 Mtn jobs in Centurion

iOCO Infrastructure Services invites you to explore opportunities.

We are seeking a Network Engineer I who will play a vital role in supporting the organization's network infrastructure, ensuring reliable connectivity, security, and performance to facilitate efficient business operations.

Responsibilities include:

• Performing daily networking tasks to ensure network reliability, availability, and serviceability with minimal interruption.
• Managing network technology upgrades or expansion projects, including hardware and software installation, integration testing, and coordinating activities to avoid system disruptions.
• Collaborating with internal and external teams for problem resolution.
• Configuring functional networks (LAN, WLAN, WAN).
• Installing and configuring network devices such as servers, routers, and switches.
• Monitoring network performance and ensuring reliability and availability.
• Creating, overseeing, and testing security measures like access authentication and disaster recovery plans.
• Contributing to the technology lifecycle roadmap, including technology absorption, risk management, refresh, migration, and retirement strategies.
• Maintaining comprehensive technical documentation.
• Providing recommendations for improving network capacity, availability, and scalability.

Required expertise:

• Minimum 2+ years of hands-on experience in network device configuration and troubleshooting.
• Solid understanding of the OSI or TCP/IP model.
• Knowledge of networking protocols and standards (e.g., link aggregation, spanning tree, routing protocols, ACL, NAT, WLAN).
• Experience with switches, routers, firewalls, and wireless devices (WLAN).
• Strong troubleshooting skills.
• Experience working with vendors such as Juniper, Fortinet, Cisco, or Aruba.

Qualifications:

• Matric
• Degree or Diploma in Information Technology or related discipline
• Valid CCNA, JNCIA, or higher certification
• Fortinet NSE4 certification is advantageous

Additional information:

• Position is permanent.
• Location: Lynnwood, Pretoria
• Work environment: Office and outdoor settings
• Physical demands: Rack mounting, hardware installation, mounting wireless access points
• Travel: Travel to client sites; own vehicle required

Why work for us?

If you're seeking a professional journey that values excellence and innovation, join iOCO Infrastructure Services. We deliver outstanding IT infrastructure solutions, partner with clients to conquer their challenges, and foster a community of skilled, ambitious professionals dedicated to client satisfaction and continuous improvement.

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

Direct message the job poster from three6five

Three6five Digital Solutions are looking for a L2 Network Engineer to join our team. You can apply online or email your cv to

As a level 2 Network Engineer, you will be responsible for providing quality technical support to our rapidly growing managed service clients. You will diagnose problems and troubleshoot issues on the network, including the wireless access points, routers, switches and answer directly the IPE team leader

This role is responsible for maintaining, troubleshooting, and improving customer networks, with the goal of maximizing customer network performance. You will also provide troubleshooting and configuration support by using your strong technical skills in networking for network performance monitoring solutions.

Roles and responsibilities:

• Installation and configuration of wireless, network security, routing and switching.
• Technical lead on deployment projects.
• Managing and auditing core network components.
• Designing networks based on principals’ requirements.
• Maintaining accurate network diagrams and network management software information for all areas of the network.
• Preventing and responding to network security breaches, including daily security log reviews.
• Staying abreast of and ensuring optimal use of current technologies throughout the networking infrastructure.
• Liaising with Vendors and suppliers for network services and equipment.
• Managing and supporting network infrastructure.

Qualifications/Minimum requirements:

• CCNP or other relevant professional Certification AND one other associate certification (Juniper, Ruckus, Fortinet, Arista, Nokia, Alcatel)
• Good knowledge of NMS systems
• Min 4 Years’ Experience in a networking role
• Valid Driver’s License and Own Transport
• Tech savvy with working knowledge of networking products
• Ability to diagnose and resolve technical issues
• Proficiency in English
• Customer-oriented and cool-tempered
• Fortinet Experience Critical

• Seniority level Mid-Senior level

• Employment type Full-time

• Job function Information Technology
• Industries IT Services and IT Consulting

Referrals increase your chances of interviewing at three6five by 2x

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Managed Talent Solutions, a division within Datacentrix, is looking for a Certified Aruba Senior Network Engineer. As a Senior Network Engineer, the successful candidate will be responsible for the provision of day-to-day network administration and support in a multiple network environment (LAN, WAN, wireless, satellite), including resolution of network user problems, network performance statistics, diagnostic information, and site surveys. The role requires someone with a strong background in HP Aruba network switches, routers, firewalls , and activities such as network address assignment, assignment of routing protocols, and routing table configuration. The ideal candidate should also demonstrate a proven track record in the maintenance and management of ARUBA ClearPass (Essential), ARUBA Airwave, and Fortigate .

Qualifications:

• 5 years experience
• Relevant ARUBA Associate or ARUBA Professional Certifications
• Management of multiple WAN link environments

Responsibilities:

• Ensure wireless standards are in accordance with company policy.
• Design and maintain all the Network and Wireless solutions as per standards.
• Manage all network hardware and equipment, including routers, switches, and other network devices.
• Ensure reliable network connectivity on all networks within the company.

Managed Talent Solutions, a division within Datacentrix, is looking for a Certified Aruba Senior Network Engineer. As a Senior Network Engineer, the successful candidate will be responsible for the provision of day-to-day network administration and support in a multiple network environment (LAN, WAN, wireless, satellite), including resolution of network user problems, network performance statistics, diagnostic information, and site surveys. The role requires someone with a strong background in HP Aruba network switches, routers, firewalls , and activities such as network address assignment, assignment of routing protocols, and routing table configuration. The ideal candidate should also demonstrate a proven track record in the maintenance and management of ARUBA ClearPass (Essential), ARUBA Airwave, and Fortigate .

Qualifications:

• 5 years experience
• Relevant ARUBA Associate or ARUBA Professional Certifications
• Management of multiple WAN link environments

Responsibilities:

• Ensure wireless standards are in accordance with company policy.
• Design and maintain all the Network and Wireless solutions as per standards.
• Manage all network hardware and equipment, including routers, switches, and other Network Devices.
• Ensure reliable network connectivity on all networks within the company.

Responsibilities

• Provides day-to-day support for firewall engineering and operation tasks and level 1 & 2 on-call technical support for the Firewall Engineering and Operations team, including assisting peers with issues and escalation.
• Supports the implementation and ongoing operations of network access control devices to include firewalls and SSL VPN devices.
• Work collaboratively across a variety of business units to implement new technology, support existing, and at times do so after normal business hours.
• Build and configure solutions in the development, test, and production environment, including documenting the security infrastructure and design
• Manage problems, maintain vendor relationships, and assist operations with vendor escalation and issue resolution.
• Facilitate device refresh of network security devices with a focus on capacity, manageability, and security of new and existing security infrastructure.
• Participate in team on-call coverage rotation
• Design, deploy and support enterprise-class Fortinet and SSL VPN devices.
• Design, deploy and support Firewall
• Complex troubleshooting to include network protocol and log analysis, raw data captures, and the correlation of disparate events spanning multiple devices and platforms.

Candidates with required certification will be considered. For more information please contact : Lister Malatjie

Certified Fortinet Network Security Engineer (FCSS or FCX)

2025-07-15 - 2025-08-14

Permanent

JHB006824

Information Technology

Datacentrix is looking for aSenior Network Security Engineers who are certified inFortinet : NSE7-FCSS or FCX-NSE8. The Senior Network Security Engineer will provide day-to-day support for firewall engineering and operational tasks.

Qualifications and Experience:

• Matric/Grade 12 plus Degree/Diploma in IT/Computer Science or related field
• Must be certified in Fortinet : NSE7-FCSS or FCX-NSE8P - mandatory
• Must have 4 years plus experience in managing networks and firewalls
• Must have experience in designing, implementing, maintaining, and optimising firewall solutions to ensure the highest level of network security Datacentrix and our clients.
• 4 years plus experience Network security controls such as IDS, IPS, DLP and WAF
• Strong working knowledge of major operating systems, such as Windows, UNIX and Linux to include system administration and security.
• Enterprise network architecture, design, and support to include network hardware, network protocols, and data flows

• Provides day-to-day support for firewall engineering and operation tasks and level 1 & 2 on-call technical support for the Firewall Engineering and Operations team, including assisting peers with issues and escalation.
• Supports the implementation and ongoing operations of network access control devices to include firewalls and SSL VPN devices.
• Work collaboratively across a variety of business units to implement new technology, support existing, and at times do so after normal business hours.
• Build and configure solutions in the development, test, and production environment, including documenting the security infrastructure and design
• Manage problems, maintain vendor relationships, and assist operations with vendor escalation and issue resolution.
• Facilitate device refresh of network security devices with a focus on capacity, manageability, and security of new and existing security infrastructure.
• Participate in team on-call coverage rotation
• Design, deploy and support enterprise-class Fortinet and SSL VPN devices.
• Design, deploy and support Firewall
• Complex troubleshooting to include network protocol and log analysis, raw data captures, and the correlation of disparate events spanning multiple devices and platforms.

• Matric/Grade 12 plus Degree/Diploma in IT/Computer Science or related field
• Must be certified in Fortinet : NSE7-FCSS or FCX-NSE8P - mandatory
• Must have 4 years plus experience in managing networks and firewalls
• Must have experience in designing, implementing, maintaining, and optimising firewall solutions to ensure the highest level of network security Datacentrix and our clients.
• 4 years plus experience Network security controls such as IDS, IPS, DLP and WAF
• Strong working knowledge of major operating systems, such as Windows, UNIX and Linux to include system administration and security.
• Enterprise network architecture, design, and support to include network hardware, network protocols, and data flows

• Provides day-to-day support for firewall engineering and operation tasks and level 1 & 2 on-call technical support for the Firewall Engineering and Operations team, including assisting peers with issues and escalation.
• Supports the implementation and ongoing operations of network access control devices to include firewalls and SSL VPN devices.
• Work collaboratively across a variety of business units to implement new technology, support existing, and at times do so after normal business hours.
• Build and configure solutions in the development, test, and production environment, including documenting the security infrastructure and design
• Manage problems, maintain vendor relationships, and assist operations with vendor escalation and issue resolution.
• Facilitate device refresh of network security devices with a focus on capacity, manageability, and security of new and existing security infrastructure.
• Participate in team on-call coverage rotation
• Design, deploy and support enterprise-class Fortinet and SSL VPN devices.
• Design, deploy and support Firewall
• Complex troubleshooting to include network protocol and log analysis, raw data captures, and the correlation of disparate events spanning multiple devices and platforms.

Certified Fortinet Network Security Engineer (FCSS or FCX)

2025-07-15 - 2025-08-14

Permanent

JHB006824

Information Technology

Datacentrix is looking for a Senior Network Security Engineers who are certified in Fortinet : NSE7-FCSS or FCX-NSE8. The Senior Network Security Engineer will provide day-to-day support for firewall engineering and operational tasks.

Qualifications and Experience:

• Matric/Grade 12 plus Degree/Diploma in IT/Computer Science or related field
• Must be certified in Fortinet : NSE7-FCSS or FCX-NSE8P - mandatory
• Must have 4 years plus experience in managing networks and firewalls
• Must have experience in designing, implementing, maintaining, and optimising firewall solutions to ensure the highest level of network security Datacentrix and our clients.
• 4 years plus experience Network security controls such as IDS, IPS, DLP and WAF
• Strong working knowledge of major operating systems, such as Windows, UNIX and Linux to include system administration and security.
• Enterprise network architecture, design, and support to include network hardware, network protocols, and data flows

• Provides day-to-day support for firewall engineering and operation tasks and level 1 & 2 on-call technical support for the Firewall Engineering and Operations team, including assisting peers with issues and escalation.
• Supports the implementation and ongoing operations of network access control devices to include firewalls and SSL VPN devices.
• Work collaboratively across a variety of business units to implement new technology, support existing, and at times do so after normal business hours.
• Build and configure solutions in the development, test, and production environment, including documenting the security infrastructure and design
• Manage problems, maintain vendor relationships, and assist operations with vendor escalation and issue resolution.
• Facilitate device refresh of network security devices with a focus on capacity, manageability, and security of new and existing security infrastructure.
• Participate in team on-call coverage rotation
• Design, deploy and support enterprise-class Fortinet and SSL VPN devices.
• Design, deploy and support Firewall
• Complex troubleshooting to include network protocol and log analysis, raw data captures, and the correlation of disparate events spanning multiple devices and platforms.