Network Engineer L3
NTT Corporation
- Johannesburg, Gauteng
- Permanent
- Part-time
- Designs and plans network solutions, including LAN, WAN, data centre, and cloud networks
- Develops network architectures that meet the organisation's current and future requirements
- Configures, deploys, and manages network devices such as routers, switches, firewalls, load balancers, and wireless controllers
- Implements and maintains network services and protocols
- Implements and enforces network security measures, including firewalls, intrusion detection/prevention systems, access controls, and VPNs
- Monitors network traffic for security threats and vulnerabilities
- Diagnoses and resolves complex network issues, utilising advanced troubleshooting techniques and network monitoring tools
- Analyses network performance data to identify and address bottlenecks and irregularities
- Optimises network performance by analysing traffic patterns, adjusting configurations, and implementing quality of service (QoS) measures
- Creates and maintains comprehensive network documentation, including network diagrams, configurations, standard operating procedures, and incident reports
- Collaborates with cross-functional teams, including systems administrators, security teams, application developers, and business stakeholders
- Communicates technical information effectively to both technical and non-technical audiences
- Manages/participates in network-related projects, including network upgrades, migrations, and expansions
- Develops project plans, define objectives, and ensure successful project execution
- Stays updated with emerging networking technologies and industry trend
- Evaluates and recommends new tools, technologies, and solutions that enhance the organisation's network capabilities
- Works with vendors to evaluate, procure, and manage networking equipment, services, and support contracts
- Utilise network monitoring and analysis tools to proactively monitor network health, identify issues, and respond to incidents
- Estimate network capacity requirements and plan for scalability to accommodate business growth and changing needs
- Strong understanding of networking concepts, protocols, architectures, and services
- Proficiency in configuring and managing network devices such as routers, switches, firewalls, load balancers, and wireless controllers
- In-depth knowledge of network protocols and technologies such as BGP, OSPF, VLANs, VPNs, QoS, and security protocols
- Hands-on experience with network monitoring and analysis tools
- Strong documentation and communication skills to convey technical information effectively
- Proficient in network administration and configuration tools
- Analytical problem-solving skills to diagnose and resolve complex network issues
- Strong project management skills to lead and contribute to network projects
- Familiarity with network security principles and best practices
- Bachelor's degree or equivalent in Information Technology, Computer Science, or a related field
- Relevant cloud provider Network Administration certification (Azure, Google, Amazon)
- Relevant certifications such as CompTIA Network+, Cisco Certified Network Associate (CCNA), or Juniper Networks Certified Associate (JNCIA) are beneficial
- Relevant certifications such as Cisco Certified Network Associate (CCNA), Cisco Certified Network Professional (CCNP), Juniper Networks Certified Internet Associate (JNCIA), or equivalent certifications are preferred
- Seasoned relevant experience in network engineering or a related role
- Seasoned experience working in a networking environment
- Seasoned experience with network security
- Seasoned WAN and LAN experience
- Seasoned experience in wireless equipment, protocols, standards, and wireless LAN design
- Seasoned experience with cloud networking (AWS, Azure, etc.)