Network Engineer
Overview
Transaction Network Services (TNS) provides mission-critical connectivity solutions to the global financial markets, enabling firms to access exchanges, market data, and counterparties with high availability and operational excellence.
Responsibilities
- Support add/move/change (MAC) activities across production financial-markets networks
- Configure and troubleshoot Layer-2 and Layer-3 network services
- Aid with BGP, OSPF, and IS-IS routing changes and troubleshooting
- Support NAT configuration and fault isolation (static and dynamic NAT)
- Aid with IP multicast (IGMP, PIM) used for market data distribution
- Perform packet capture and traffic analysis (tcpdump, Wireshark or equivalent)
- Aid 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
Qualifications
- 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
Requirements
- CCNA or CCNP certification
- NCIA or JNCIP certification
Benefits
TNS offers a competitive benefit package including medical and dental coverage, life insurance, paid holidays and vacations, and a 401K plan with company match.
Skills
Exposure to network-as-code practices using structured data (JSON/YAML)
Aid with templated configuration and automation workflows (e.g., Jinja2, Ansible)
Follow Git-based version control and peer-review workflows for network changes
Pay
The anticipated pay range for this role is $90,000K-$100,000K annually.
Schedule
Details on the schedule are not specified.
Benefits
TNS offers a competitive benefit package including medical and dental coverage, life insurance, paid holidays and vacations, and a 401K plan with company match.