Network Engineer

SimplyGo Pte. Ltd.; Singapore; Hybrid; SGD 95,000 - 130,000; Full time

Benefits offered by this job

Additional Wage Supplement

Performance Bonus

Hybrid work options

Wellbeing benefits

Job summary

SimplyGo Pte. Ltd. is hiring an Engineer II, IT Infrastructure with a focus on network engineering to ensure reliability, security, and performance of the organisation’s network across cloud and on-prem environments.

You will design and manage connectivity between data centres and AWS, configure firewalls and security controls, monitor performance, and participate in incident response and DR planning. Hybrid work options and growth opportunities are provided.

Qualifications

• Bachelor's degree in CS/IT/Engineering or equivalent.
• At least 3 years' experience in network engineering/operations for enterprise or large-scale hybrid environments.
• Hands-on experience with AWS networking (VPC, subnets, route tables, security groups, VPN, Direct Connect); familiarity with Azure/GCP is a plus.

Responsibilities

• Manage and support enterprise network infrastructure (routers, switches, firewalls, load balancers) in 24x7 production environments.
• Install, configure, and maintain network hardware/software; manage user access and authentication systems.
• Design, implement, and manage connectivity between on-premise data centres and AWS cloud environments.
• Configure and manage firewalls, security groups, NACLs, network segmentation, and zoning.
• Monitor network performance and troubleshoot outages, latency, and bottlenecks across cloud and on-premises.
• Participate in DR exercises, CAB changes, and incident response.

Skills

Network engineering

Cloud networking

Security

Troubleshooting

Incident response

Education

Bachelor's degree in CS/IT/Engineering

Tools

AWS VPC

VPN

Direct Connect

Load balancers

Wireshark

Palo Alto / Fortinet / Check Point

Job description

We are SimplyGo Pte. Ltd. (SPL), a wholly owned subsidiary of the Land Transport Authority, and a key player in the Singapore public transport ecosystem. We develop transit ticketing and travel card-related products and services that simplify journeys and create value for our commuters. We believe great ideas come from people who are curious, driven, and eager to learn. Join us if you are looking for an organisation that allows you to make a meaningful impact and provide the support you need to grow.

What You Will Do

At SPL, you are an integral part of our team - driving meaningful projects and witnessing the tangible difference your work makes. As an Engineer II, IT Infrastructure focusing on network engineering, you will ensure the reliability, security, and performance of the organisation’s network infrastructure across cloud environments.

Key Tasks You Will Be Involved In

Network Infrastructure Operations

• Manage and support enterprise network infrastructure (routers, switches, firewalls, load balancers) in 24x7 production environments.
• Install, configure, and maintain network hardware/software; manage user access, permissions, and authentication systems.
• Ensure high availability, resilience, and performance; perform routine health checks, monitoring, and capacity planning.

Cloud & Hybrid Connectivity (AWS)

• Design, implement, and manage connectivity between on-premise data centres and AWS cloud environments.
• Support AWS VPC architecture, VPN (Site-to-Site / Client), and Direct Connect integration.
• Troubleshoot hybrid connectivity issues across cloud and on-premises, coordinating with telecom providers.

Network Security & Compliance

• Configure and manage firewalls, security groups, NACLs, network segmentation, and zoning.
• Implement security best practices aligned with IM8/government standards and PCI DSS where applicable.
• Work with SecOps on vulnerability remediation, hardening, and incident response.

Monitoring, Performance & Optimisation

• Monitor network performance using SolarWinds, PRTG, CloudWatch, or equivalent.
• Analyse traffic patterns, latency, and throughput; identify and resolve bottlenecks.
• Investigate and resolve outages, connectivity, latency, and packet loss issues with cloud teams, telcos, and contractors.
• Participate in major incident management and root cause analysis (RCA).

Deployment & Change Management

• Implement network changes following CAB processes; support deployments requiring network updates.
• Perform validation and rollback planning for changes.

External Connectivity & Vendor Coordination

• Manage connectivity with external partners, payment gateways, and telecom providers.
• Coordinate vendor provisioning, troubleshooting, and performance optimisation; monitor connectivity post-provisioning.

Resilience, DR & Business Continuity

• Design and support network redundancy, failover mechanisms, and DR configurations.
• Participate in DR exercises and validate failover readiness.
• Maintain network diagrams, configurations, SOPs, and runbooks.
• Recommend improvements for performance, security, and scalability.

Operational Support

• Provide after-hours support for incidents, maintenance, firmware/software updates, and critical network changes.

What You’ll Gain

At SimplyGo, our people are at the heart of everything we do.

We ASPIRE to create a supportive and inclusive workplace where you can thrive.

Here’s what you can look forward to:

Professional

• Continuous growth through training, mentorship, and development.
• Career pathways with room to advance and expand your skills.
• A culture of collaboration that celebrates innovation, respect, and teamwork.

Individual

• An attractive annual compensation package commensurate with experience, including an Additional Wage Supplement and Performance Bonus.
• Comprehensive benefits to support your lifestyle and wellbeing.
• Flexibility with hybrid work options and supportive arrangements.
• Wellbeing initiatives designed to keep you healthy, balanced, and engaged.

This role might be for you if you have:

• Training in Computer Science, Information Technology, Engineering, or equivalent.
• Minimum 3 years’ experience in network engineering/operations supporting enterprise or large-scale mission-critical networks in hybrid environments (on-prem + cloud).
• Hands‑on experience with AWS networking (VPC, subnets, route tables, security groups, NACLs, VPN, Direct Connect); experience with multiple clouds (Azure, GCP) is a plus.
• Strong knowledge of hybrid cloud networking, TCP/IP, routing, switching (Layer 2/3), DNS, DHCP, BGP, OSPF, VPNs, network security best practices, high availability, and DR design.
• Hands‑on experience with firewalls (Palo Alto, Fortinet, Check Point), load balancers, and network troubleshooting tools (Wireshark, Ethereal, traceroute).
• Preferred certifications: Cisco (CCNA/CCNP), Check Point (CCSA/CCSE), Fortinet (FCA/FCP), AWS (CloudOps Engineer – Associate).
• Strong troubleshooting, analytical, and problem‑solving skills; able to work under pressure during incidents.
• Excellent communication and coordination skills; proactive, self‑driven, accountable, and a collaborative team player.
• Willingness to support after-hours operations, including deployments, maintenance, and incident response.