Job Description

NCS is a leading AI Tech Services company. With a 15,000-strong team across the Asia Pacific, NCS scales its platforms and capabilities to provide clients with greater agility and AI expertise across a range of Industries. Embracing a strong ecosystem of global partners, NCS transforms technology services delivery combining AI with digital resilience to drive real business impact. NCS is a subsidiary of the Singtel Group.

This is a hands-on Cloud Network Engineering role, responsible for designing, implementing, operating, and troubleshooting network infrastructure and security within AWS cloud environments. The ideal candidate will have strong networking fundamentals and practical experience with AWS networking and security services.

The candidate will serve as the first point of contact for network-related issues, independently troubleshooting connectivity, routing, security, and performance issues, performing Root Cause Analysis (RCA), and working closely with Cloud, Infrastructure, Security, DevOps, and Application teams.

What will you do?

• Design, implement, operate, and maintain secure and highly available AWS network infrastructure
• Manage and troubleshoot Amazon VPC, Security Groups, Network ACLs (NACLs), Route Tables, NAT, and related AWS networking components
• Configure and support AWS Transit Gateway (TGW), VPC Peering, VPC Endpoints (PrivateLink/Gateway Endpoints), Site-to-Site VPN, and AWS Direct Connect
• Manage and troubleshoot Application Load Balancer (ALB), Network Load Balancer (NLB), and Amazon Route 53
• Implement and support AWS security services including AWS WAF, AWS Network Firewall, and AWS Shield Advanced
• Monitor and troubleshoot network traffic and connectivity using VPC Flow Logs, Amazon CloudWatch, Wireshark, and other network diagnostic tools
• Act as the first point of contact for network-related incidents and independently troubleshoot connectivity, routing, DNS, VPN, latency, and performance issues
• Perform Root Cause Analysis (RCA), provide appropriate resolution, and implement preventive actions for recurring network issues
• Collaborate with Cloud, Infrastructure, Security, DevOps, and Application teams to resolve network-related issues and deliver cloud solutions
• Ensure network configurations meet required standards for performance, security, scalability, availability, and reliability with proper documentation
• Participate in cloud implementations, migrations, network transformation, and infrastructure improvement projects
• Maintain technical knowledge of AWS networking and security services and contribute to continuous improvement of the cloud environment

Qualifications

• 3+ years of hands-on experience in Network Engineering, Cloud Networking, or Cloud Infrastructure, with strong experience in AWS networking and security
• Problem Solving. Strong troubleshooting and analytical skills with the ability to independently diagnose network connectivity, routing, security, and performance issues and perform effective RCA
• Collaboration and Communication. Ability to work effectively with Cloud, Infrastructure, Security, DevOps, and Application teams and communicate technical issues and solutions clearly
• Technical. Strong networking foundation with hands-on experience in TCP/IP, DNS, routing, NAT, VPN, and BGP
• Strong hands-on experience with Amazon VPC, Security Groups, Network ACLs (NACLs), Route Tables, AWS WAF, AWS Network Firewall, AWS Shield Advanced, ALB, NLB, Transit Gateway (TGW), Route 53, VPC Peering, VPC Endpoints (PrivateLink/Gateway Endpoints), Site-to-Site VPN, AWS Direct Connect, VPC Flow Logs, and Amazon CloudWatch
• Experience with Wireshark or similar network traffic analysis and troubleshooting tools
• Ability to troubleshoot hybrid cloud and on-premises connectivity and resolve complex network issues
• AWS networking or cloud certifications would be advantageous
• Experience with network automation or Infrastructure as Code tools such as Terraform, CloudFormation, or Ansible would be advantageous

Additional Information

We are driven by our AEIOU beliefs—Adventure, Excellence, Integrity, Ownership, and Unity—and we seek individuals who embody these values in both their professional and personal lives. We are committed to our Impact: Valuing our clients, Growing our people, and Creating our future.

Together, we make the extraordinary happen.

Learn more about us at ncs.co and visit our LinkedIn career site.

Scam Alert

We are aware of fraudulent job offers and impersonations of NCS recruiters. Phishing emails using convincing-looking but fake addresses are also commonly used to trick you into thinking that they come from official NCS sources.

Please note that all official communications from NCS Group will only be sent from verified corporate email addresses. Always check that the sender’s email address ends with the genuine NCS domain, @ncs.com.sg and beware of extra letters, symbols or misspellings. When in doubt, verify the sender’s identity by contacting us at reachus@ncs.com.sg.