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

Skills

• CCNA or CCNP
• NCIA or JNCIP

Benefits

• Competitive benefit package including medical and dental coverage, life insurance, paid holidays and vacations, and a 401K plan with company match
• NETDEVOPS & AUTOMATION 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 actual amount may be higher or lower than the range provided considering each candidate's knowledge, skills, abilities, and geographic location.

Schedule

Not specified

Benefits

• Medical and dental coverage
• Life insurance
• Paid holidays and vacations
• 401K plan with company match