System Engineer (Ref 26602)

JOBLINE RESOURCES PTE. LTD.; Singapore; On-site; SGD 100,000 - 140,000; Full time

Job summary

JOBLINE RESOURCES PTE. LTD. is seeking an experienced network engineer to design and manage enterprise networks for on-premises and hybrid cloud environments.

You will work with partners to ensure secure, scalable integration; configure Layer 2/3 networks, routing, VPNs and firewalls, and design connectivity between data centers and public clouds. The role requires a bachelor's in CS, 3–6 years in network/infrastructure roles, and experience with API integration and security monitoring.

Qualifications

• Bachelor's degree in computer science or equivalent.
• 3-6 years of experience in network infrastructure engineering, platform engineering, or systems engineering.
• Experience supporting mission-critical enterprise network infrastructure.
• API based System Integration experience.
• Nice-to-have: CCNA or equivalent; AI training and GPU infrastructure setup experience; experience using Claude, Cursor, Codex for production-grade apps.

Responsibilities

• Design and manage enterprise network architectures for on-premises and hybrid cloud environments and integration architectures with partners/vendors.
• Manage the integration of 3rd party applications by coordinating with providers to align interfaces and requirements.
• Configure and manage Layer 2 / Layer 3 networks, VLANs, VRFs, Routing, NAT, Firewall Policies, VPN, Load Balancers.
• Design secure connectivity between Data Centres, Public Cloud (AWS/Azure/GCP), Kubernetes clusters, enterprise apps.
• Plan IP addressing strategy and network segmentation.
• Troubleshoot complex network issues.
• Maintain network documentation and topology diagrams.
• System integration, SAML/SSO integration, monitoring of microservices and API gateway platform, cyber security reviews.

Skills

Network design

API integration

L2/L3 networking

Routing BGP/OSPF

Cloud connectivity

Education

Bachelor's degree in CS or equivalent

Tools

Claude AI

Cursor AI

Codex

Job description

Responsibilities

• Design and manage enterprise network architectures for on-premises and hybrid cloud environments and integration architectures with partners/vendors.
• Manage the integration of 3rd party applications by working directly with the applications providers to ensure the integration interfaces, specifications and requirements are aligned externally and internally within relevant stakeholder groups and supporting systems.
• Configure and manage Layer 2 / Layer 3 networks, VLANs, VRFs, Routing (BGP, OSPF, Static Routing), NAT, Firewall Policies, VPN, Load Balancers.
• Design secure connectivity between: Data Centres, Public Cloud (AWS/Azure/GCP), Kubernetes clusters, Enterprise applications.
• Plan IP addressing strategy and network segmentation.
• Troubleshoot complex network issues.
• Maintain network documentation and topology diagrams.
• System Integration, SAML/SSO Integration, Architecture of software components, monitoring of microservices and API gateway platform, Cyber security review and application monitoring.

Requirements

• Bachelor's degree in computer science or equivalent.
• 3-6 years of experience in network infrastructure engineering, platform engineering, or systems engineering.
• Experience supporting mission-critical enterprise network infrastructure.
• API based System Integration experience.
• Good to have:
  • a) CCNA or equivalent
  • b) AI training and GPU infrastructure setup experience
  • c) Experience in using AI tools such as Claude, Cursor, Codex to develop production grade applications

Licence no: 12C6060