NOC Network Support Engineer L1

Posted Yesterday
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Johannesburg, Gauteng, ZAF
In-Office
Junior
Information Technology • Business Intelligence • Consulting
The Role
Supports network infrastructure operations under senior engineer supervision. Configures and maintains routers, switches, firewalls, access points, WAN and LAN environments; monitors performance and security; troubleshoots connectivity and network incidents; assists with documentation, upgrades, patches, migrations, vendor coordination, and network security implementation. Requires CCNA certification, foundational networking knowledge, and at least two years of experience with networking, network security, WAN/LAN, and wireless technologies.
Summary Generated by Built In

Make an impact with NTT DATA
Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

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.

Workplace type:

Hybrid Working

About NTT DATA
NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune

Global 100. We are committed to accelerating client success and positively impacting society through

responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with

unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and

application services. Our consulting and industry solutions help organizations and society move

confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more

than 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as

established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each

year in R&D.


Equal Opportunity Employer
NTT DATA 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, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.


Third parties fraudulently posing as NTT DATA recruiters 

NTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters whether in writing or by phone in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from an @nttdata.com email address. If you suspect any fraudulent activity, please contact us.

Skills Required

  • Information Technology certificate, diploma, or relevant IT certification
  • CCNA certification
  • Basic understanding of networking concepts, protocols, and topologies
  • Familiarity with routers, switches, firewalls, and access points
  • Basic network configuration and troubleshooting proficiency
  • Strong problem-solving skills and attention to detail
  • Effective communication and collaboration skills
  • At least 2 years of experience working in a networking environment
  • At least 2 years of experience with network security
  • At least 2 years of WAN and LAN experience
  • At least 2 years of experience with wireless equipment, protocols, standards, and wireless LAN design
  • CompTIA Network+ certification
  • Juniper Networks Certified Associate certification

NTT DATA Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about NTT DATA and has not been reviewed or approved by NTT DATA.

  • Fair & Transparent Compensation — Feedback suggests salary bands and grades are clearly defined, making ranges and promotion criteria easier to understand. Standardized HR processes provide visibility into levels across common delivery roles.
  • Healthcare Strength — Feedback suggests the package includes comprehensive medical, dental, and vision options with HSA/FSA eligibility. Global materials emphasize comprehensive insurance and wellbeing as baseline offerings across regions.
  • Wellbeing & Lifestyle Benefits — Flexible work options, including remote/hybrid arrangements, are highlighted as core benefits and can support work–life balance. Some delivery teams report more manageable hours than strategy consultancies, improving perceived value for time.

NTT DATA Insights

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The Company
HQ: Tokyo
55,092 Employees
Year Founded: 1988

What We Do

NTT DATA, Inc. is a trusted global innovator of business and technology services. We're committed to helping clients innovate, optimize and transform for long-term success. Our R&D investments help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure, and connectivity

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