Infrastructure Engineer - Fintech

Hamilton Barnes ?; Singapore; On-site; SGD 120,000 - 170,000; Full time

Job summary

Hamilton Barnes is seeking a hands-on Infrastructure Engineer to join our technology-driven team in Singapore. You will own server and network infrastructure across physical and virtual environments to boost performance, reliability and scalability.

The role covers Linux server administration, network troubleshooting, Cisco switching and data centre connectivity, plus automation using Python. You will collaborate with engineering teams on infrastructure improvements and support critical business

Qualifications

• 5+ years of infrastructure engineering, systems administration or network engineering.
• Hands-on Cisco networking experience with Catalyst or Nexus switches.
• Linux server and physical hardware troubleshooting experience.
• Proficient in TCP/IP, VLANs, subnetting and data centre connectivity.
• Automation experience using Python or scripting languages.
• Familiar with network troubleshooting tools like Wireshark, tcpdump or traceroute.
• Knowledge of infrastructure monitoring and performance troubleshooting.
• Willingness to support occasional out-of-hours maintenance and incidents.

Responsibilities

• Maintain, troubleshoot and optimise Linux servers, network infrastructure and physical hardware.
• Configure and support Cisco switches and data centre connectivity.
• Investigate network performance issues, including latency, packet loss and connectivity problems.
• Support infrastructure deployments, upgrades and hardware lifecycle management.
• Develop and improve automation processes using Python and scripting.
• Monitor infrastructure performance and resolve complex technical issues.
• Collaborate with engineering teams to deliver infrastructure improvements and maintain business-critical systems.
• Nice-to-have: Python scripting and infrastructure automation; knowledge of BGP/OSPF; firewalls/ACLs; monitoring tools like Prometheus/Grafana.

Skills

5+ years of experience

Cisco networking

Linux administration

Network troubleshooting

Python automation

Data centre connectivity

Education

N/A

Tools

Cisco Catalyst/Nexus

Wireshark

tcpdump

traceroute

Git

Prometheus/Grafana

Job description

#Must be a permanent resident or Singapore Citizen to apply

(Unfortunately no visa sponsorship given)

About the Role

An exciting opportunity to join a technology-driven organisation operating a complex, high-performance infrastructure environment.

You'll take ownership of critical server and network infrastructure, working across physical and virtual systems to improve performance, reliability and scalability.

This is a hands-on engineering role combining infrastructure support, networking, hardware troubleshooting and automation, with opportunities to contribute to infrastructure design and improvement projects.

Key Responsibilities

• Maintain, troubleshoot and optimise Linux servers, network infrastructure and physical hardware.
• Configure and support Cisco switches and data centre connectivity.
• Investigate network performance issues, including latency, packet loss and connectivity problems.
• Support infrastructure deployments, upgrades and hardware lifecycle management.
• Develop and improve automation processes using Python and scripting.
• Monitor infrastructure performance and resolve complex technical issues.
• Collaborate with engineering teams to deliver infrastructure improvements and maintain business-critical systems.
• 5+ years' experience in infrastructure engineering, systems administration or network engineering.
• Strong hands-on experience with Cisco networking, including Catalyst or Nexus switches.
• Good understanding of TCP/IP, VLANs, subnetting and data centre connectivity.
• Practical experience administering and troubleshooting Linux servers and physical hardware.
• Experience using network troubleshooting tools such as Wireshark, tcpdump or traceroute.
• Familiarity with Git, infrastructure monitoring and performance troubleshooting.
• Willingness to support occasional out-of-hours maintenance and critical incidents.

Nice to Have

• Python scripting and infrastructure automation.
• Knowledge of BGP, OSPF and routing protocols.
• Experience with firewalls, ACLs and network security.
• Exposure to Prometheus, Grafana or other monitoring tools.