Network Engineer

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)
An extraordinarily talented group of individuals work together every day to drive TNS’ success. We provide mission‑critical connectivity solutions to the global financial markets, enabling firms to access exchanges, market data, and counterparties with high availability and operational excellence.
OVERVIEW
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

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.
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.
Required Skills & Experience
• 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;
• JNCIA or JNCIP.
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Qualifications

Benefits: 

• Health insurance;

• Dental plan;

• Life insurance;

• Meal/Food voucher;

• Wellhub;

• Totalpass;

• LinkedIn Learning;

• EAP – Employee Assistance Program;

• Scout – Referral Program;

• Birthday Day Off.

If you are passionate about technology, love personal growth and opportunity, come see what TNS is all about!

TNS is an equal opportunity employer. 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.