Network Engineer L3

4 weeks ago

Johannesburg, Gauteng, South Africa NTT Full time

NTT is a leading global IT solutions and services organisation that brings together people, data and things to create a better and more sustainable future.

In today's 'iNTTerconnected' world, connections matter more now than ever. By bringing together talented people, world-class technology partners and emerging innovators, we help our clients solve some of the world's most significant technological, business and societal challenges.

With people at the heart of our success, NTT is committed to attracting and growing the best talent and providing an environment where everyone feels they can belong and their contribution matters.

Want to be a part of our team?

A Network Engineer is a seasoned technical professional responsible for designing, implementing, maintaining, and optimising NTT's network infrastructure to ensure efficient and secure communication. This role involves collaborating with cross-functional teams to support networking needs. This role plays a critical role in ensuring network reliability, performance, and security.

Working at NTT

Key Roles and Responsibilities:

  • 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


Knowledge, Skills and Attributes:

  • 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


Academic Qualifications and Certifications:

  • 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


Required Experience:

  • 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.)

Skills Summary

Network Design, Networking Solutions, Network Maintenance, Network Monitoring, Network Security, Network Troubleshooting

What will make you a good fit for the role?

Workplace type:

Equal Opportunity Employer

NTT is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, color, sex, religion, national origin, disability, pregnancy, marital status, sexual orientation, gender reassignment, veteran status, or other protected category

Join our growing global team and accelerate your career with us. Apply today.

A career at NTT means:

  • Being part of a global pioneer – where you gain exposure to our Fortune 500 clients and world-leading global technology partners and work with a network of over 40,000 smart and diverse colleagues across 57 countries, delivering services in over 200 countries.
  • Being at the forefront of cutting-edge technology – backed with a 150-year heritage of using technology for good. With 40% of the world's internet traffic running on our network and where Emoji were first invented, you can be proud of the group's many new 'firsts'.
  • Making a difference – by doing meaningful work that helps to shape the future for our clients, and across industries and communities around the world.
  • Being your best self – in a progressive 'Connected Working' environment that promotes flexibility, connection and wellbeing. Where diversity and different perspectives are embraced to ensure equal opportunities for all.
  • Having ongoing opportunities to own and develop your career – with a personal and professional development plan and access to the broadest learning offerings in the industry.

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