Network Support Engineer

NTT DATA, Inc.; Johannesburg; Hybrid; ZAR 300,000 - 480,000; Full time

Job summary

NTT DATA is seeking an entry-level Associate Network Engineer to support and maintain our global network infrastructure. You will work under supervision, collaborating with senior engineers to design, implement, and troubleshoot network solutions that keep communications reliable.

Hybrid work arrangement in Johannesburg, with opportunities to learn and grow through certifications and hands-on projects across routing, switching, security, and service delivery.

Qualifications

• CCNA certification is essential.
• Foundational networking concepts and topologies.
• Strong understanding of routing and switching is required.

Responsibilities

• Assist in configuring and maintaining routers, switches, firewalls, and access points.
• Ensure network configurations follow best practices.
• Monitor network performance, availability, and security.
• Identify and address network issues to minimize downtime.
• Respond to incidents and help resolve problems.
• Document network diagrams, configurations, and procedures.
• Collaborate with security to implement network protections.
• Plan upgrades and improvements with senior engineers.
• Work with vendors for procurement and support.
• Participate in network-related projects.

Job description

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 Associate Network 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.

Certifications & Requirements

Essential Certifications

• CCNA (Cisco Certified Network Associate) – Non-Negotiable

Required Skills & Experience

• Strong experience in Routing and Switching technologies.
• Solid understanding of the ISP environment and operations.
• Proven experience interacting and managing relationships with vendors.
• Strong understanding of Network Engineering principles, practices, and troubleshooting methodologies.
• Sound knowledge of Cisco IOS and its configuration, management, and maintenance.
• Demonstrated ability to meet and maintain SLA commitments.
• Strong understanding of Service Delivery Management, including incident resolution, customer communication, and service performance monitoring.

Advantageous

• Experience working with ServiceNow for incident, change, and service request management.

Workplace type

Hybrid Working

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.