[Remote] Network Engineer
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.ResponsibilitiesSupport add/move/change (MAC) activities across production financialâmarkets networksConfigure and troubleshoot Layerâ2 and Layerâ3 network servicesâAssist with BGP, OSPF, and ISâIS routing changes and troubleshootingSupport NAT configuration and fault isolation (static and dynamic NAT)Assist with IP multicast (IGMP, PIM) used for market data distributionPerform packet capture and traffic analysis (tcpdump, Wireshark or equivalent)Assist with Layerâ1 troubleshooting including physical connectivity and latencyâsensitive pathsFollow disciplined change, documentation, and operational processesWork with senior engineers on automationâenabled configuration and validationExposure to networkâasâcode practices using structured data (JSON/YAML)Assist with templated configuration and automation workflows (e.g., Jinja2, Ansible)Follow Gitâbased version control and peerâreview workflows for network changesSkills3+ years of experience supporting global IP networksHands-on experience with Cisco, Juniper, and Arista platformsStrong Layer-2 knowledge (VLANs, trunking, STP, LACP)Strong Layer-3 fundamentals (BGP basics, OSPF/IS-IS concepts)NAT fundamentals and troubleshooting experienceMulticast fundamentals (IGMP, PIM)Packet capture and analysis skillsStrong written and verbal communication skillsCCNA or CCNPNCIA or JNCIPExposure 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 changesBenefitsMedical and dental coverageLife insurancePaid holidays and vacations401K plan with company matchCompany OverviewTransaction 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 SponsorshipTransaction 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.