Senior Financial Network & Security Engineer

Lumen Technologies; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Lumen Technologies seeks a senior network engineer to architect, implement, and maintain financial trading networks with emphasis on ultra‑low latency and robust security. You’ll design market data distribution paths, configure firewalls, and collaborate with Security Architecture Management on operational reviews.

Responsibilities include maintaining Visio diagrams, handling trouble tickets, and ensuring SLA adherence while working in a fast-paced financial tech environment.

Qualifications

• Bachelor's degree in a related field.
• Minimum 7 years in the financial trading network space.
• Experience in architecture, design, implementation and maintenance of trading‑related networks.
• Strong knowledge of market data distribution, ultra‑low latency, and high‑frequency trading networks.
• Experience with network security architecture in a finance environment.

Responsibilities

• Architect, design, implement, and troubleshoot networks for financial trading environments.
• Configure firewall rules and policies for client connectivity and security requirements.
• Collaborate with Security Architecture Manager on security operations and reviews.
• Maintain network diagrams and documentation using Visio.
• Respond to trouble tickets and maintain SLA compliance.

Skills

Networking Architecture

Low-latency networks

Firewall design

BGP & routing protocols

Finance network security

TCP/UDP protocols

Packet tracing

Visio documentation

Education

Bachelor's degree

Tools

Cisco devices

Arista devices

Fortinet FortiGate

Juniper devices

Check Point

PICO/Corvil packet capture

SevOne SNMP

HPNA Network Automation

Job description

Lumen Technologies seeks a senior network engineer to architect, implement, and maintain financial trading networks with emphasis on ultra‑low latency and robust security. You’ll design market data distribution paths, configure firewalls, and collaborate with Security Architecture Management on operational reviews.

Responsibilities include maintaining Visio diagrams, handling trouble tickets, and ensuring SLA adherence while working in a fast-paced financial tech environment.