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
13 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
