NOC Network Support Engineer L1

NTT
Johannesburg, Gauteng
Full-time
Posted 1 hour ago
Full-time IT & Software
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Job Description

Your day at NTT DATA

  • The NOC Network Support Engineer is an entry level subject matter expert, responsible for working under supervision and playing a vital role in supporting and maintaining company network infrastructure.
  • This role works closely with Senior Network Engineers and cross-functional teams, assisting in designing, implementing, and troubleshooting network solutions to ensure efficient and reliable communication.

Key responsibilities:

  • Assists in configuring and maintaining network devices, including routers, switches, firewalls, and access points.
  • Supports with ensuring that network configurations are accurate and aligned with best practices.
  • Collaborates with the network team to monitor network performance, availability, and security.
  • Helps identify and address network-related issues to minimize downtime and disruptions.
  • Responds to and assists in resolving network incidents and problems.
  • Supports with troubleshooting connectivity issues, performance bottlenecks, and other network-related challenges.
  • Supports with creating and updating technical documentation, including network diagrams, configurations, and procedures.
  • Collaborates with the security team to implement network security measures, such as firewalls, intrusion detection systems, and access controls, to protect the organization's assets and data.
  • Assists in planning and implementing network upgrades and improvements.
  • Collaborates with senior engineers to deploy patches, updates, and new technologies.
  • Works closely with other IT teams, including systems administrators, application developers, and support teams, to provide integrated solutions and support the overall IT environment.
  • Coordinates with vendors for hardware and software procurement, support, and troubleshooting.
  • Engages in continuous learning to expand technical skills and knowledge in networking.
  • Seeks opportunities for training and certifications to enhance proficiency.
  • Participates in network-related projects, such as network expansions, migrations, and implementations.
  • Performs any other related task as required.

To thrive in this role, you need to have:

  • Basic understanding of networking concepts, protocols, and topologies.
  • Familiarity with network devices such as routers, switches, firewalls, and access points.
  • Proficiency in basic network configuration and troubleshooting.
  • Strong problem-solving skills and attention to detail.
  • Effective communication skills to collaborate with team members and stakeholders.
  • Eagerness to learn and adapt to new networking technologies and concepts.
  • Ability to work in a collaborative team environment.

Academic qualifications and certifications:

  • Information Technology certificate, Diploma or relevant IT certification.
  • Relevant certifications such as CompTIA Network+, Cisco Certified Network Associate (CCNA), or Juniper Networks Certified Associate (JNCIA) are beneficial.
  • CCNA (Being non-negotiable)

Required experience:

  • 2+ years of experience working in a networking environment preferably within a global IT organization.
  • 2+ years, basic experience with network security.
  • 2+ years of WAN and LAN experience.
  • 2+ years of experience in wireless equipment, protocols, standards, and wireless LAN design.

Interested in this role?

You'll apply on NTT's own site before 9 November 2026. Put your most relevant experience at the top of your CV first.

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Job details
Job TypeFull-time
LocationJohannesburg, Gauteng
CategoryIT & Software
Experience2+ years
Posted26 October 2026
Closing Date9 November 2026
NTT
Johannesburg, Gauteng

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