Senior Network Specialist

Ntt; Johannesburg; On-site; ZAR 400,000 - 600,000; Full time

Job summary

Join a leading global innovator as a Network Engineer, responsible for designing and optimizing network infrastructure. Collaborate with cross-functional teams to enhance network reliability and security while ensuring efficient communication. Ideal candidates have a strong background in networking concepts and relevant certifications.

Qualifications

• Experience in designing and implementing various types of networks.
• Proficiency in firewall and network security.
• Experience with routing and switching.

Responsibilities

• Designs and plans network solutions including LAN, WAN, and cloud networks.
• Implements and maintains network security measures.
• Diagnoses and resolves complex network issues.

Skills

Networking Concepts

Analytical Problem-Solving

Documentation Skills

Education

Bachelor's degree in Information Technology

CompTIA Network+

Cisco Certified Network Associate (CCNA)

Tools

Cisco Certified Internetwork Expert (CCIE)

Load Balancer F5

Job description

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 Network Engineer is a seasoned subject matter expert, responsible for designing, implementing, maintaining, and optimizing company network infrastructure to ensure efficient and secure communication.

This role involves collaborating with cross-functional teams to support networking needs and plays a critical role in ensuring network reliability, performance, and security.

What you'll be doing

Key Responsibilities :

• Designs and plans network solutions, including LAN, WAN, data center, and cloud networks.
• Develops network architectures that meet the organization'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.
• Diagnoses and resolves complex network issues, utilizing advanced troubleshooting techniques and network monitoring tools.
• Analyzes network performance data to identify and address bottlenecks and irregularities.
• Optimizes network performance by analyzing 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.
• 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.
• Works with vendors to evaluate, procure, and manage networking equipment, services, and support contracts.
• Utilizes network monitoring and analysis tools to proactively monitor network health, identify issues, and respond to incidents.
• erforms any other related task as required.

Knowledge and Attributes :

• Seasoned understanding of networking concepts, protocols, architectures, and services.
• Seasoned proficiency in configuring and managing network devices such as routers, switches, firewalls, load balancers, and wireless controllers.
• Seasoned knowledge of network protocols and technologies such as BGP, OSPF, VLANs, VPNs, QoS, and security protocols.
• Seasoned experience with network monitoring and analysis tools.
• Strong documentation and communication skills to convey technical information effectively.
• Seasoned proficiency 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.
• Seasoned 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 certifications such as CompTIA Network+, Cisco Certified Network Associate (CCNA)
• Relevant certifications such as Cisco Certified Internetwork Expert (CCIE), are preferred.

Required Experience :

• Design and implement various types of networks.
• Firewall and network security Skills
• Routing and Switching Skills
• Load Balancer F5 Skills
• Managing Wireless Network
• Cable Management
• Cisco Certifications ie CCNA, CCNP

Workplace type : 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.

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.

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