Network Engineer

Transaction Network Services • Washington, DC

4d

About The Position

Transaction Network Services (TNS) is 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. TNS is a leading global provider of data communication and interoperability services to diverse industries, such as retail, banking, payment processing, telecommunications and the financial markets. TNS' services extend to over 60 countries and we deliver mission critical solutions to many Fortune 500 companies.

Requirements

• 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

Nice To Haves

• CCNA or CCNP
• NCIA or JNCIP

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

Benefits

• medical and dental coverage
• life insurance
• paid holidays and vacations
• 401K plan with company match
• opportunities to relocate to different locations

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed