Principal Networking Managed Services Engineer

NTT; Durban; Hybrid; ZAR 700,000 - 1,000,000; Full time

Job summary

A leading global technology services company seeks a Principal Networking Managed Services Engineer to design and maintain secure networking infrastructures. This senior role requires expertise in network security technologies and a strong ability to lead complex projects while engaging with stakeholders effectively.

Qualifications

• Proven experience in managing and securing complex infrastructures.
• Expertise in network security technologies required.
• Strong analytical, scripting, and communication skills necessary.

Responsibilities

• Architect, implement, and manage security solutions tailored to client needs.
• Lead security infrastructure evolution with next-gen firewalls.
• Provide escalation and complex incident resolution support.

Skills

Network security technologies

Stakeholder engagement

Analytical skills

Scripting (Python, Perl, Ruby)

Automation frameworks (Ansible, Puppet, Chef)

Effective communication

Education

Bachelor’s degree in IT, Computer Science, or related discipline

Firewall certification

CCNP/PCNSE, CCIE, CISSP, automation certifications

Tools

Cisco Routers

Cisco Nexus Switching

Fortinet

Juniper

Palo Alto

F5

Cisco Meraki

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.

The Principal Networking Managed Services Engineer is a senior technical expert responsible for architecting, deploying, and maintaining secure networking infrastructures within managed service environments. This role leads the design and delivery of advanced network security solutions, ensuring seamless execution of complex client engagements. As a trusted advisor and subject matter expert, the engineer plays a key role in driving infrastructure modernization initiatives, including the integration of next-generation firewalls and Zero Trust security frameworks.

Key Responsibilities

• Architect, implement, and manage complex managed security solutions tailored to client needs.
• Lead the evolution of security infrastructure, integrating next-gen firewalls and Zero Trust models.
• Act as a senior technical consultant and escalation point, providing fourth-line support and resolving complex incidents.
• Drive knowledge sharing and mentorship across engineering teams, ensuring continuous capability growth.
• Own the technical governance of deals and provide hands-on support for architecture- and project-related initiatives.
• Oversee performance monitoring, optimization, and compliance with industry regulations and data protection standards.
• Develop automation tools and scripts to streamline operations and improve operational efficiency.
• Produce and maintain detailed technical documentation, including configurations, diagrams, and runbooks.
• Lead or contribute to disaster recovery planning and testing.
• Serve as an emergency contact for critical, business-impacting issues and outages.

• Participate in cross-functional collaboration with internal and client-facing teams.

Skills & Attributes

• Proven leadership in a technical environment with strong stakeholder engagement skills.
• In-depth expertise in network security technologies and managed services delivery models.
• Excellent analytical and problem-solving ability for high-stakes security challenges.
• Strong scripting capabilities (Python, Perl, Ruby) and experience with automation frameworks (Ansible, Puppet, Chef).
• Effective communicator with the ability to translate technical detail into actionable insights.

Qualifications

• Bachelor’s degree in IT, Computer Science, or a related discipline (or equivalent work experience).
• Firewall certification (mandatory).
• Preferred: CCNP/PCNSE, CCIE, CISSP, and automation certifications.

Experience

• Significant experience in managed services, delivering and maintaining complex security infrastructures.
• Extensive background in enterprise security solution design and implementation.
• Experience in global enterprise environments and vendor management.
• Strong familiarity with service management frameworks and tools (especially ServiceNow).
• Demonstrated experience across multiple security domains and emerging technologies.
• Competent and/or certified in the following technologies:
• Cisco Routers
• Cisco Nexus Switching
• Cisco Catalyst Switching
• HP Switching
• Brocade Switching
• Cisco Meraki Switching
• Cisco ASA
• Fortinet
• Juniper
• Check Point
• Palo Alto
• Cisco Meraki
• Palo Alto Prisma
• Citrix Netscaler
• F5
• Riverbed
• Cisco Meraki Wireless
• Cisco Aironet Wireless
• Silver Peak
• Cisco SD-WAN / Meraki SD-WAN

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Workplace type:

Hybrid Working

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.