Senior Network Infrastructure Specialist

3 weeks ago

East London, Eastern Cape, South Africa NTT Full time
Network Engineer (L3) Role Overview

As a key member of the NTT DATA team, the Network Engineer (L3) is responsible for delivering exceptional service to clients by proactively identifying and resolving complex technical incidents and problems. This role involves maintaining a high level of service quality through pre-emptive service incident and resolution activities, as well as product reviews, operational improvements, and quality assurance. The primary objective is to ensure zero missed service level agreement (SLA) conditions.

The Network Engineer (L3) is responsible for managing high-complexity tickets, conducting advanced tasks, and providing resolution to a diverse range of complex problems. This role requires considerable judgment and independent analysis within defined policies and practices, applying analytical thinking and deep technical expertise to achieve client outcomes while coaching and mentoring junior team members.

This position focuses on two or more technology domains, such as Cloud, Security, Networking, Applications, and/or Collaboration, and may contribute to/support project work as needed.

Main Responsibilities:
  • Ensure assigned infrastructure at the client site is configured, installed, tested, and operational.
  • Perform necessary checks, apply monitoring tools, and respond to alerts.
  • Identify problems and errors prior to or when they occur and log all such incidents in a timely manner with the required level of detail.
  • Assist in analyzing, assigning, and escalating support calls.
  • Investigate third-line support calls assigned and identify the root cause of incidents and problems.
  • Report and escalate issues to 3rd party vendors if necessary.
  • Provide continuous feedback to clients and affected parties and update all systems and/or portals as prescribed by the company.
  • Proactively identify opportunities for work optimization, including opportunities for automation of work.
  • Coach L2 and L1 teams for advanced technical troubleshooting and behavioral skills.
  • May manage and implement projects within technology domains, delivering effectively and promptly per client-agreed-upon requirements and timelines.
  • May work on implementing and delivering Disaster Recovery functions and tests.
  • Perform any other related tasks as required.


Required Qualifications and Certifications:
  • Bachelor's degree or equivalent qualification in IT/Computing (or demonstrated equivalent work experience).
  • Certifications relevant to the services provided (certifications carry additional weightage on a candidate's qualification for the role).
  • Relevant certifications include (but are not limited to) - CCNP or equivalent certification, CCNP in Security or PCNSE certification, or Firewall Vendor-related certification, along with advanced technical certification like CCIE, CISSP, VMware Certified Professional: Data Centre Virtualization, VMware Certified Specialist – Cloud Provider, VMware Site Recovery Manager: Install, Configure, Manage, Microsoft Certified: Azure Architect Expert, AWS Certified: Solutions Architect Associate, Veeam Certified Engineer (VMCE), or Rubrik Certified Systems Administrator, Google Cloud Platform (GCP).


Required Experience:
  • Experience handling complex cross-technology infrastructure.
  • Experience required in Engineering function within a medium to large ICT organization.
  • Knowledge of Firewall-based environment.
  • Knowledge of Security-based environment.
  • Knowledge of ITIL processes.
  • Experience working with vendors and/or 3rd parties.


Key Attributes and Knowledge:
  • Ability to communicate and work across different cultures and social groups.
  • Ability to plan activities and projects well in advance, taking into account possible changing circumstances.
  • Ability to maintain a positive outlook at work.
  • Ability to work well in a pressurized environment.
  • Ability to work hard and put in longer hours when necessary.
  • Ability to apply active listening techniques such as paraphrasing the message to confirm understanding, probing for further relevant information, and refraining from interrupting.
  • Ability to adapt to changing circumstances.
  • Ability to place clients at the forefront of all interactions, understanding their requirements, and creating a positive client experience throughout the total client journey.


About NTT DATA
NTT DATA is a $30+ billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize, and transform for long-term success. We invest over $3.6 billion each year in R&D to 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. We are also one of the leading providers of digital and AI infrastructure in the world. NTT DATA is part of NTT Group and headquartered in Tokyo.

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