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Network EngineerTransaction Network Services • Brooklyn, New York, United States
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Network Engineer

Transaction Network Services
  • US
    Brooklyn, New York, United States
  • US
    Brooklyn, New York, United States
Apply Now

About

Overview Transaction Network Services (TNS) provides mission‑critical connectivity solutions to global financial markets, enabling firms to access exchanges, market data, and counterparties with high availability and operational excellence.
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
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
Compensation & Benefits For this role, the estimated annual compensation range is $90,000–$100,000. TNS offers a competitive benefit package including medical and dental coverage, life insurance, paid holidays and vacations, and a 401K plan with company match.
Qualifications 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
NCIA or JNCIP
TNS is an equal opportunity employer. Immigration sponsorship (i.e., H1‑B visa, F‑1visa (OPT)), TN visa or any other non‑immigrant status) is not currently available for this position.
If you are passionate about technology, love personal growth and opportunity, come see what TNS is all about!
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.
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  • Brooklyn, New York, United States

Languages

  • English
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