Senior Network & Infrastructure Engineer

NCS; Singapore; On-site; SGD 84,000 - 132,000; Full time

Job summary

NCS in Singapore is seeking an Infra Engineer / Senior Engineer, Network to design, implement, and optimize enterprise and data-center networks. You will translate architecture into detailed designs, validate performance, and drive security compliance across projects.

You'll configure and monitor network devices, perform security baseline configurations, and participate in issue resolution and end-to-end validation.

Qualifications

• 2+ years of IT or networking experience.
• Certifications in CCNA, CCNP, or CCIE.
• Basic to Advanced Routing and Switching.
• Basic to Advanced Wired and Wireless networks.
• Network Security (ACL, Firewall, VPN, ISE).
• Network Performance Monitoring.
• Specialization breakouts 1-2 domains.
• Nexus Switches (7K, 9K) & NX-OS.
• Application Delivery Controllers, NGFW, NGIPS, etc.
• Wired and Wireless network architectures (2-Tier/3-Tier).
• Software Defined Access Network concepts (VxLAN etc.).

Responsibilities

• Translate high-level network architecture into detailed designs, including diagrams and failover plans.
• Prepare requirement documents and design validations for network solutions.
• Maintain documentation such as test plans and design artefacts.
• Configure and implement network infrastructure per design and security requirements.
• Perform baseline security configurations of devices to meet compliance.
• Use network management tools to monitor, analyse, and report on performance.
• Participate in root-cause investigations and validate proper operation.
• Resolve routine to complex network issues using diagnostics and troubleshooting.
• Develop and execute test plans to validate performance, reliability, and integration.
• Conduct functional and integration tests and report results and risks.
• Link requirements to test cases with traceability for end-to-end validation.
• Work independently and in teams.

Skills

CCNA/CCNP/CCIE

Routing & Switching

Wired & Wireless

Network Security

Performance Monitoring

NX-OS/Nexus

VxLAN

Tools

NX-OS

Job description

NCS in Singapore is seeking an Infra Engineer / Senior Engineer, Network to design, implement, and optimize enterprise and data-center networks. You will translate architecture into detailed designs, validate performance, and drive security compliance across projects.

You'll configure and monitor network devices, perform security baseline configurations, and participate in issue resolution and end-to-end validation.