Senior Associate Infrastructure Engineering and Operations Engineer

NTT Limited; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

NTT DATA in Singapore is seeking a Senior Associate Network Engineer to design, implement, and optimize our enterprise network infrastructure. You will collaborate with senior engineers and cross-functional teams to ensure stability, security, and performance across LAN/WAN and data centers.

The role demands hands-on configuration and management of routers, switches, firewalls, load balancers, and wireless access points, plus strong problem-solving and documentation skills.

Qualifications

• Bachelor's degree in IT/CS or related field.
• Network Administration certifications (Azure, Google, AWS) preferred.
• CCNA/CCNP or JNCIA/JNCIE beneficial.

Responsibilities

• Collaborate to design, implement, and optimize LAN/WAN and data center networks.
• Contribute to network architecture discussions and provide input.
• Configure and manage routers, switches, firewalls, load balancers, and wireless APs.
• Troubleshoot network issues with advanced techniques.
• Monitor traffic patterns to identify bottlenecks and propose improvements.
• Implement and maintain network security measures including VPNs and IDS/IPS.
• Document network diagrams, configurations, and incident reports.

Skills

Networking concepts

Network configuration

Troubleshooting

Network monitoring

Documentation

Security principles

Education

Bachelor's degree in IT/CS

Tools

Azure

AWS

Google Cloud

Cisco IOS

Juniper

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 Senior Associate Network Engineer is a developing subject matter expert, responsible for leveraging their networking skills and experience to support, design, and optimize company network infrastructure. This role works closely with network engineers, architects, and cross-functional teams to ensure the stability, security, and performance of the network environment. The Senior Associate Network Engineer represents a progression from an Associate Network Engineer, requiring a higher level of expertise and responsibilities.

Key responsibilities:

• Collaborates with senior network engineers to design, implement, and optimize network solutions, including LAN, WAN, and data center networks.
• Contributes to network architecture discussions and provide technical input.
• Supports with configuration and management of network devices such as routers, switches, firewalls, load balancers, and wireless access points.
• Supports with diagnosing and resolving network issues, utilizing advanced troubleshooting techniques and tools.
• Analyzes network traffic patterns to identify performance bottlenecks and recommends improvements.
• Supports with implementing and maintaining network security measures, including firewall rules, access controls, VPNs, and intrusion detection/prevention systems.
• Utilizes network monitoring tools to proactively monitor network performance, analyze trends, and take corrective actions to optimize network efficiency and reliability.
• Creates and maintains comprehensive network documentation, including detailed network diagrams, configurations, procedures, and incident reports.
• Collaborates with cross-functional teams, including systems administrators, security teams, and application developers, to ensure seamless integration of network solutions.
• Contributes to network-related projects, migrations, upgrades, and expansions.
• Follows project plans, meets deadlines, and provides technical expertise to ensure successful project outcomes.
• Stays updated with emerging networking technologies, trends, and industry best practices.
• Pursues relevant certifications and training to enhance networking skills.
• Performs any other related task as required.

To thrive in this role, you need to have:

• Understanding of networking concepts, protocols, architectures, and services.
• Developing proficiency in configuring and managing network devices, including routers, switches, firewalls, and load balancers.
• Developing knowledge of network protocols and technologies such as BGP, OSPF, VLANs, VPNs, QoS, and security protocols.
• Experience with network monitoring and analysis tools.
• Strong documentation and communication skills to convey technical information effectively.
• Ability to diagnose and resolve network issues using analytical problem-solving skills.
• Project participation experience, including adherence to project timelines and deliverables.
• Familiarity with network security principles and best practices.
• Developing proficiency in using network administration and configuration tools.

Academic qualifications and certifications:

• Bachelor's degree or equivalent in Information Technology, Computer Science, or a related field.
• Network Administration certification (Azure, Google, Amazon) preferred.
• Relevant certifications such as CompTIA Network+, Cisco Certified Network Associate (CCNA), or Juniper Networks Certified Associate (JNCIA) are beneficial.
• Relevant certifications such as Cisco Certified Internetwork Expert (CCIE), Juniper Networks Certified Internet Expert (JNCIE), or equivalent certifications are preferred.

Required experience:

• Moderate level experience in networking, including previous experience as an Associate Network Engineer or similar role.
• Moderate level experience working in a networking environment.
• Moderate level experience with network security.
• Moderate level WAN and LAN experience.
• Moderate level experience in wireless equipment, protocols, standards, and wireless LAN design.
• Moderate experience with cloud networking (AWS, Azure, etc.) is a plus.

Workplace type:

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.