Senior Network Engineer - Enterprise Infra & Security

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 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.