Network Engineer
Transaction Network Services (TNS) · New York, United States · 2 wk ago
Information TechnologyFull-time
About the role
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
Automation & DevOps exposure
- 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
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
Certifications
- CCNA or CCNP
- NCIA or JNCIP
Pay
$90,000–$100,000 annually.
Benefits
- Medical and dental coverage
- Life insurance
- Paid holidays and vacations
- 401(k) plan with company match