Infrastructure Engineer - Fintech

About the role

A technology-driven organisation operating a complex, high-performance infrastructure environment is looking for an Infrastructure Engineer in Singapore. You will own 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.

Required profile

• 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.
• Willingness to support occasional out-of-hours maintenance and critical incidents.
• Permanent resident or Singapore citizen; no visa sponsorship is given.

Required skills

• Network troubleshooting tools such as Wireshark, tcpdump or traceroute.
• Familiarity with Git, infrastructure monitoring and performance troubleshooting.
• 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 similar monitoring tools.