Network & Security Implementation Engineer

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Your day at NTT DATA
The Network & Security Implementation Engineer is responsible for designing, implementing, and supporting enterprise network and cybersecurity solutions across customer environments. This role works closely with project, engineering, and operations teams to deliver secure, resilient, and high-performing infrastructure solutions while ensuring successful deployment, documentation, and operational handover.

The Network & Security Implementation Engineer applies deep technical expertise across networking, security, and infrastructure technologies to support business-critical environments and contribute to successful customer outcomes.

Key responsibilities:

• Design, implement, and support enterprise network and security solutions across customer environments.
• Deploy, configure, and maintain firewall, IPS, web security, email security, NAC, endpoint security, and SD-WAN technologies.
• Implement and support routing, switching, wireless, and network infrastructure solutions.
• Perform installation, testing, troubleshooting, optimization, and operational support activities across network and security platforms.
• Develop and maintain High-Level Design (HLD), Low-Level Design (LLD), implementation, and as-built documentation.
• Participate in project planning, solution design, technical workshops, and Bill of Quantity (BOQ) preparation activities.
• Ensure successful project delivery through deployment, implementation, testing, validation, and operational handover.
• Support centralized management, monitoring, reporting, and automation platforms for network and security environments.
• Collaborate with implementation, operations, support, and customer teams to ensure service quality and operational stability.
• Provide technical troubleshooting and root-cause analysis for network and security incidents.
• Support continuous improvement initiatives to enhance infrastructure security, performance, and availability.
• Adhere to organizational standards, best practices, and IT Service Management (ITSM) processes.

To thrive in this role, you need to have:

• Strong understanding of enterprise networking and cybersecurity principles.
• Good knowledge of firewall technologies, intrusion prevention systems, web and email security solutions.
• Solid understanding of routing, switching, wireless networking, SD-WAN, and network security architectures.
• Strong troubleshooting and problem-solving capabilities.
• Ability to interpret technical requirements and translate them into practical solutions.
• Good understanding of network security best practices and operational controls.
• Strong documentation skills with experience producing HLD, LLD, and As-Built documentation.
• Effective communication and stakeholder engagement skills.
• Strong time management and task prioritization abilities.
• Ability to work independently and collaboratively within project and operational teams.
• Customer-focused approach with a commitment to service excellence.
• Ability to support secure, stable, and resilient infrastructure operations.

Academic qualifications and certifications:

• Bachelor's degree or equivalent qualification in Information Technology, Computer Science, Engineering, or a related field.
• Relevant vendor certifications in Cisco, Fortinet, Palo Alto, or equivalent technologies are required.
• Additional industry certifications related to networking, cybersecurity, or infrastructure technologies are advantageous.

Required experience:

• Demonstrable experience in enterprise networking, network security, and infrastructure implementation roles.
• Hands-on experience with firewall administration and security policy management across Cisco FTD/FMC, Palo Alto, and FortiGate platforms.
• Experience with intrusion prevention, web security, email security, network access control, and endpoint security technologies.
• Experience implementing and supporting routing, switching, wireless, and SD-WAN environments.
• Experience with centralized management and monitoring tools such as Cisco Catalyst Center, FortiManager, and FortiAnalyzer.
• Experience with network and security implementation projects from design through operational handover.
• Experience in solution design, project delivery, testing, deployment, and technical documentation.
• Understanding of IT Service Management (ITSM) processes and operational support frameworks.
• Experience working with cross-functional teams in project delivery and operational environments.
• Experience supporting business-critical network and security infrastructure.

Workplace type:

On-site 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.

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