Network Engineer

Singapore on site Until 8/23/2026 H-1B sponsor history First posted May 27, 2025 Last posted May 27, 2025
Job description
About Presto
Founded in 2014, Presto is an algorithmic trading and financial services firm with a global presence. Presto focuses on delivering exceptional value for clients through a rigorous research-driven approach to investment and trade execution. With more than a 100 million trade executions in a day, Presto is a leading financial services firm in both digital assets and traditional finance markets. Join us to discover the latest in technology trends and seize a special chance to engage directly with our traders and recruiters.

Responsibilities

  • Design and optimize network infrastructure: Implement and tune high-speed network systems to support ultra-low-latency trading applications and services.
  • Troubleshoot and resolve issues: Diagnose, troubleshoot, and resolve complex network infrastructure problems to ensure maximum availability and performance.
  • Operational support: Provide day-to-day support for both network and application environments, monitoring connectivity and responding to alerts or incidents as needed.
  • Technology evaluation: Continuously evaluate emerging networking technologies and service providers (hardware, software, or carriers) to keep our trading infrastructure cutting-edge and cost-effective.
  • Travelling across multi-sites within APAC and the US is required for the position. 
  • Willing to perform hands-on data center work, including installation, maintenance, and break-fix support for hardware such as network switches, firewalls, and servers.

Qualifications

  • Cisco networking expertise: Extensive experience with Cisco Catalyst (IOS) and Nexus (NX-OS) switches, including configuration and management.
  • Firewall proficiency: Proven ability to configure and manage Fortinet FortiGate firewall platforms.
  • Layer 2 protocols: Strong understanding of Layer 2 switching protocols such as VLANs, Spanning Tree (STP), and Link Aggregation (LACP).
  • Routing protocols: Solid grasp of routing protocols including OSPF and BGP, and first-hop redundancy protocols (FHRP) such as HSRP/VRRP.
  • VPN technologies: In-depth knowledge of IPsec VPN and SSL VPN architectures and configurations.
  • Data center networking: Familiarity with data center features such as Virtual Port Channels (vPC) for enhanced redundancy and throughput.
  • Network troubleshooting: Skilled in using a variety of troubleshooting tools and methodologies to diagnose and resolve network issues in production environments.
  • Problem-solving: Proven ability to quickly identify root causes and implement fixes for complex network problems under pressure.
  • Automation and scripting: Experience with network automation tools and scripting (e.g. Ansible, Python, shell scripting) to improve operational efficiency.
  • Wireless networking: Understanding of wireless networking concepts and best practices for enterprise Wi-Fi environments.
  • Familiarity with server hardware and the Linux operating system, including basic configuration via command line, troubleshooting, and system-level interactions.

Preferred

  • High-performance networks: Proven expertise deploying large-scale, high-performance computing (HPC) network infrastructure using RDMA over Converged Ethernet (RoCEv2).
  • Advanced networking technologies: Hands-on experience with cutting-edge network technologies such as dark fiber (DWDM) optical networks, advanced QoS implementation, and multicast routing.
  • Additional certifications: Cisco CCNP/CCIE or comparable certifications in routing/switching are a plus.

Hiring process

  • CV/Resume submission
  • 1st round interview
  • 2nd round interview
  • Interview process can be changed due to circumstances
About this role

Summary

Design and optimize network infrastructure for ultra-low-latency trading applications.

Job title

Network Engineer

Experience level

3+ years

Industry

finance

Location requirements

Located in Singapore; remote work not allowed.

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

ciscofirewalllayer 2routingvpndata centernetwork troubleshootingproblem-solvingautomationwirelesslinux

Preferred skills

high-performance networksadvanced networking technologiescertifications

Specializations

networkingfirewallroutingVPNautomation
Locations

Structured locations inferred from the posting.

Singapore

On-site City