Senior Network Engineer

R Systems; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

R Systems is seeking a Senior Network Engineer to support a leading Singapore-based insurance client. The role focuses on enterprise network infrastructure, security, and project delivery within a strict salary budget for 3+ years of experience.

The position is a 12-month contract with BAU and project responsibilities, requiring hands-on work with firewalls, switches, routers, load balancers, Aruba ClearPass, VPNs, and wireless. Strong troubleshooting and stakeholder collaboration are essential.

Qualifications

• 3+ years of Network Administration experience.
• Hands-on experience with firewalls, switches, routers, and load balancers.
• Experience with Aruba ClearPass (NAC).
• Strong knowledge of VPN, Wireless, and Network Security.
• Experience handling enterprise network projects.
• Strong troubleshooting and communication skills.
• Willingness to provide after-office-hours support when required.

Responsibilities

• Manage and support enterprise network infrastructure (BAU & Projects).
• Administer firewalls, switches, routers, VPNs, wireless, and load balancers.
• Monitor network performance and troubleshoot incidents.
• Implement network upgrades, security configurations, and automation.
• Support change management, asset management, and documentation.
• Work closely with internal stakeholders and vendors.

Skills

Network troubleshooting

Communication skills

Stakeholder management

Tools

Firewalls

Aruba ClearPass

VPN

Wireless

Load balancers

Job description

R Systems is hiring a Senior Network Engineer to support a leading Singapore-based insurance client. If you have strong experience in enterprise network infrastructure, network security, and project implementation, we'd like to hear from you!

Important: This role has a strict salary budget aligned with the required 3+ years of relevant network engineering experience. Please apply only if your salary expectations fall within the allocated budget.

• Employment: 12-Month Contract (Extendable)


• Manage and support enterprise network infrastructure (BAU & Projects)


• Administer firewalls, switches, routers, VPNs, wireless, and load balancers


• Monitor network performance and troubleshoot incidents


• Implement network upgrades, security configurations, and automation


• Support change management, asset management, and documentation


• Work closely with internal stakeholders and vendors


• 3+ years of Network Administration experience


• Hands-on experience with firewalls, switches, routers, and load balancers


• Experience with Aruba ClearPass (NAC)


• Strong knowledge of VPN, Wireless, and Network Security


• Experience handling enterprise network projects


• Strong troubleshooting and communication skills


• Willingness to provide after-office-hours support when required

Good to Have

• Aruba Wireless Controllers


• F5 VPN / Alteon Load Balancers


• SD-WAN / VXLAN


• CCNP / CCIE / Network+ / CISSP certifications