45 Mtn jobs in Johannesburg

• Review client requirements and collaborate with other IT engineers to define the optimal networking and firewalling solutions in accordance with organisational policies.
• Design and implement new network solutions and/or improve the efficiency of current networks.
• Configure firewalls for usage, manage their day-to-day operations and perform regular maintenance through upgrades and patches to ensure optimal performance, maximise network efficiency and security.
• Configure, manage and maintain secure intra- and inter-organisational communication channels, such as VPNs and IPSec tunnels.
• Perform quarterly firewall health checks removing unnecessary rules, interfaces, etc. and optimising rules where possible.
• Assist with the installation, configuration and support of network equipment across the LAN, WLAN, WAN and SD-WAN, both wired and wireless.
• Participate in cross-functional troubleshooting support for internal and external clients and network fault investigations.
• Liaise with network service providers and vendors, ensuring service level agreements are met and organisational policies and principles adhered to.
• Maximise network performance through ongoing monitoring and optimisation.
• Ensure supporting documentation and diagrams remain up to date.
• Ensure all network equipment is sufficiently secured (logically and physically), so that no unauthorised access can be gained.
• Provide monthly reporting as required.
• Maintain Network Monitoring Tools
• Configure, Manage and Support Network Access Control (NAC) Systems

Takes escalations from General Support requiring further Data specific technical assistance. Proficient with technical escalations from clients, wholesalers, interconnect partners, internal teams and service providers.

• Ensure a work ticket is opened on the internal logging system if one is not already open for escalation from resellers/customers.
• Apply/uses diagnostic techniques and tools to identify problems, investigate causes and recommend/implement solutions to correct common failures.
• Arrange for on-site technical assistance to be provided where necessary by generating a request to the Centracom Technicians Department.
• Support Centracom technicians with specific technical assistance, addressing Data issues.
• Escalate more complex problems to a higher level of expertise within the organisation.
• Engage with upstream service providers as part of the issue resolution process.
• Ensure feedback is given to the customer/wholesaler within an appropriate timeframe.
• Assist with departmental special projects.
• Actions ad-hoc requests delegated by Senior.
• Perform basic network troubleshooting.
• Support network installation and configuration.
• Ensure network security practices.
• Provide user support for network connectivity.
• Learn and apply new networking technologies.
• Collaborate with the Voice Team for quicker resolutions to certain voice/link related issues.

• At least one years’ experience.
• Basic networking concepts.
• Switching and routing.
• Network troubleshooting.
• Firewall and security basics.
• Wireless networking.
• Basic knowledge of Mikrotiks and Cisco technologies.
• Own car and reliable transport desirable.
• Salary range: 8 - 15k.

• Seniority level: Entry level
• Employment type: Full-time
• Job function: Information Technology
• Industries: Telecommunications

Senior Network Engineer to provide professional services (on a consultation basis) for Tier 3 level support, primarily focusing on escalation calls for all our Network solutions. These includes, Cisco ACI, Routing and Switching, Local Internet Peering (NapAfrica) and wireless. The resource will also participate in projects and assist with designing, deploying, configuring, and troubleshooting of our network-related solutions.

• Provide professional services (on a consultation basis) for Tier 3 level support for network solutions, including Cisco ACI, Routing and Switching, Local Internet Peering (NapAfrica) and wireless; participate in projects and assist with designing, deploying, configuring, and troubleshooting of network-related solutions.

• Certified CCIE (Data Centre) and Cisco ACI with a minimum of 5 years’ experience with at least three (3) years in Cisco ACI and ACI Network (CCIE Routing and Switching as an added advantage).

• Mid-Senior level

• Full-time

• Information Technology

• IT Services and IT Consulting

Bryanston, Gauteng, South Africa

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
• Industries
• IT Services and IT Consulting

Join the green revolution! My client is a leading Renewables Energy company on a mission to power a sustainable future, and they are looking for a skilled Senior Network Engineer to play a key role in developing and maintaining their renewable energy systems.

With your expertise in networking, you will have the opportunity to work with cutting-edge technology and a dedicated team of experts, all while making a real impact on the environment.

They are looking for a Senior Network Engineer with:

1. Bachelor's Degree in Computer Science, Information Systems, Information Technology, or Electrical Engineering preferred.
2. 10 years' experience preferably with an Industrial Control Systems focus.
3. Cisco CCNA or CCNP certification.
4. CRISC, CISSP Certification an advantage.

They value creativity, innovation, and a passion for making a positive impact. If you are a problem-solver with a strong technical background and a commitment to sustainability, I want to hear from you.

• Degree/Diploma in Information Technology or Computer Science,
• Fortinet NSE 6
• CCNP / ARUBA ACP
• Azure Networking - Advantage
• Management of operations on environment with clustering, replication, load balancer
• ITIL Practitioner (V3) / ITIL Specialist (V4)
• ISO 27000, other IT security Training
• Minimum 5 years relevant experience in IT
• Experience in supporting and maintaining Networks and Firewalls
• FortiGate / Fortinet
• Cisco
• Aruba
• Extensive experience implementing VPNs, SD-WANs, MPLS, SSL VPNs, WLANs, etc.
• Extensive experience with network equipment virtualization and cloud issues.
• Extensive experience with Cisco, Fortinet, Pulse Secure, Aruba, VMware, and Microsoft Azure technologies.
• Ability to Manage a Technical Project

• Assist IT departments in resolving issues with their network equipment (routers, firewalls, comprehension boxes, etc.)
• Provide quality support, particularly by explaining to your contacts the origin of their problem and the appropriate resolution practices
• Enhance our knowledge base by updating the documentation of operating procedures and instructions;
• Ensure firmware upgrades for network equipment
• Independently manage site infrastructure transformation projects in compliance with client standards and best practices in terms of network architecture
• Perform network compliance audits and ensure the security and high availability of the client's infrastructure are maintained
• Adhere to client-defined SLAs and monitor them with your manager.
• Design of the IT network infrastructure (WAN, MAN, LAN) of the organisation entities, across the entire scope:
• Technically translates the functional needs of the group.
• Builds and maintains the standards and principles of architecture.
• Based on the strategies and needs of the business departments
• Ensure capacity planning for IT Infrastructure
• Manage IT Hardware resources
• Guarantee the availability and quality of data by maintaining and improving performance ("tuning") and functionalities (by improving their automation, optimizing processing and queries, settings, etc.).
• Management of scalabilities (volume monitoring, etc.) on the data access aspect.
• Administer user access permissions and data security issues with the security engineer.
• Manage version migrations.
• Follow up on monitoring tools and study all incidents that have occurred to understand their severity and origins.
• Participation in the architecture projects of new projects, implementation:
• Participates in the evaluation of projects.
• For all new projects or new technologies, participates and monitors the evaluation of the impact of the change.
• Monitoring of network infrastructure deployments