Transaction Network Services (TNS)

Infrastructure-as-a-Service to Enable Mission-Critical Transactions

Network Engineer

Network EngineerNetwork EngineerFull TimeRemoteTeam 1,001-5,000Since 1993H1B No SponsorCompany SiteLinkedIn

Location

Illinois + 4 moreAll locations: Illinois, Texas, Utah, Virginia, Washington

Posted

14 days ago

Salary

$85K - $103K / year

Bachelor Degree3 yrs expEnglish

Job Description

• 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

Job 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
  • Certifications: CCNA or CCNP, NCIA or JNCIP

Benefits

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

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