Note: The job is a remote job and is open to candidates in USA. Transaction Network Services (TNS) is a provider of mission-critical connectivity solutions to the global financial markets. They are seeking a Network Engineer to support real-time trading and market data connectivity across global networks, focusing on routing, switching, multicast, and packet-level troubleshooting in production 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
- 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
Skills
- 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
- NCIA or JNCIP
- 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
Benefits
- Medical and dental coverage
- Life insurance
- Paid holidays and vacations
- 401K plan with company match
Company Overview
Transaction Network Services (TNS) is a global provider of data communications and interoperability solutions. It was founded in 1990, and is headquartered in Reston, Virginia, USA, with a workforce of 1001-5000 employees. Its website is http://www.tnsi.com.Company H1B Sponsorship
Transaction Network Services (TNS) has a track record of offering H1B sponsorships, with 3 in 2026, 8 in 2025, 6 in 2024, 12 in 2023, 5 in 2022, 5 in 2021, 10 in 2020. Please note that this does not guarantee sponsorship for this specific role.