Network Engineer

Transaction Network Services (TNS); Town of Texas (WI); On-site; USD 90,000 - 100,000; Full time

Benefits offered by this job

Medical and dental coverage

Life insurance

Paid holidays and vacations

401(k) plan with company match

Job summary

Transaction Network Services (TNS) is seeking a Network Engineer to join its Financial Markets Network Engineering team. This role supports real-time trading and market data connectivity across highly available global networks, with exposure to routing, switching, multicast, automation, and packet-level troubleshooting in production trading environments.

The position involves configuring L2/L3 services, assisting with BGP/OSPF/IS-IS routing changes, NAT, and IP multicast for market data, plus

Qualifications

• 3+ years of experience supporting global IP networks.
• Hands-on experience with Cisco, Juniper, and Arista platforms.
• Strong Layer-2 knowledge (VLANs, trunking, STP, LACP).
• Strong Layer-3 fundamentals (BGP basics, OSPF/IS-IS concepts).
• NAT fundamentals and Troubleshooting experience.
• Multicast fundamentals (IGMP, PIM).
• Packet capture and analysis skills.
• Strong written and verbal communication skills.

Responsibilities

• Support MAC activities across production financial-markets networks.
• Configure and troubleshoot Layer-2 and Layer-3 network services.
• Assist with BGP, OSPF, and IS-IS routing changes and troubleshooting.
• Support NAT configuration and fault isolation (static and dynamic NAT).
• Assist with IP multicast (IGMP, PIM) used for market data distribution.
• Perform packet capture and traffic analysis (tcpdump, Wireshark or equivalent).
• Assist with Layer-1 troubleshooting including physical connectivity and latency-sensitive paths.
• Follow disciplined change, documentation, and operational processes.
• Work with senior engineers on automation-enabled configuration and validation.

Skills

Global IP networks

Networking hardware

L2 troubleshooting

L3 routing

NAT troubleshooting

Multicast basics

Packet analysis

Communication skills

Tools

JSON/YAML

Jinja2

Ansible

Git

Job description

An extraordinarily talented group of individuals work together every day to drive TNS' success, from both professional and personal perspectives. Come join the excellence!

Overview

Transaction Network Services (TNS) provides mission‑critical connectivity solutions to the global financial markets, enabling firms to access exchanges, market data, and counterparties with high availability and operational excellence.

Position Summary

We are seeking a Network Engineer to join our Financial Markets Network Engineering team. This role supports real‑time trading and market data connectivity across highly available global networks. The position provides strong exposure to routing, switching, multicast, automation, and packet‑level troubleshooting in production trading environments.

Responsibilities

• Support add/move/change (MAC) activities across production financial‑markets networks
• Configure and troubleshoot Layer‑2 and Layer‑3 network services
• Assist with BGP, OSPF, and IS‑IS routing changes and troubleshooting
• Support NAT configuration and fault isolation (static and dynamic NAT)
• Assist with IP multicast (IGMP, PIM) used for market data distribution
• Perform packet capture and traffic analysis (tcpdump, Wireshark or equivalent)
• Assist with Layer‑1 troubleshooting including physical connectivity and latency‑sensitive paths
• Follow disciplined change, documentation, and operational processes
• Work with senior engineers on automation‑enabled configuration and validation
• Compensation: $90,000–$100,000 annually. Benefits include medical and dental coverage, life insurance, paid holidays and vacations, and a 401(k) plan with company match.

NetDevOps & Automation

• Exposure to network‑as‑code practices using structured data (JSON/YAML)
• Assist with templated configuration and automation workflows (e.g., Jinja2, Ansible)
• Follow Git‑based version control and peer‑review workflows for network changes

Qualifications

• 3+ years of experience supporting global IP networks
• Hands‑on experience with Cisco, Juniper, and Arista platforms
• Strong Layer‑2 knowledge (VLANs, trunking, STP, LACP)
• Strong Layer‑3 fundamentals (BGP basics, OSPF/IS‑IS concepts)
• NAT fundamentals and troubleshooting experience
• Multicast fundamentals (IGMP, PIM)
• Packet capture and analysis skills
• Strong written and verbal communication skills

Certifications

• CCNA or CCNP
• NCIA or JNCIP

TNS is an equal opportunity employer. Immigration sponsorship (e.g., H1‑B visa, F‑1 visa (OPT), TN visa or any other non‑immigrant status) is not currently available for this position.

TNS evaluates qualified applicants without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity or expression, protected veteran status, disability/handicap status or any other legally protected characteristic.