An extraordinarily talented group of individuals work together every day to drive TNS' success, from both professional and personal perspectives. Come join the excellence!
OverviewTransaction 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.
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.
Skills Required
- 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
- CCNA or CCNP certification
- JNCIA or JNCIP certification
Transaction Network Services Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Transaction Network Services and has not been reviewed or approved by Transaction Network Services.
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Leave & Time Off Breadth — Time off is considered a relative strength, with excellent PTO highlighted and increases after five years. Flexibility around taking time away from work supports a better overall balance for many roles.
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Flexible Benefits — Remote work options and flexibility are frequently highlighted alongside compensation and benefits, improving work-life fit for some teams. This flexibility helps offset more mixed views on other elements of the package.
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Healthcare Strength — Core medical, dental, and vision coverage are in place and are described as solid or subsidized in some contexts. Benefits are presented as competitive, reinforcing a stable baseline of health coverage.
Transaction Network Services Insights
What We Do
Transaction Network Services (TNS) is a leading global provider of data communications and interoperability solutions. Our global network and innovative value-added services enable transactions and the exchange of information to many of the world’s leading retailers, banks, payment processors, financial institutions and telecommunication firms. Founded in 1990 in the United States, TNS has grown steadily and now provides services to customers in over 60 countries across the Americas, Europe and the Asia Pacific region, with our reach extending to many more. TNS has designed and implemented a global data network which supports a variety of widely accepted communications protocols and is designed to be scalable and accessible by multiple methods.
