Ion
Ion3mo ago

Senior Network Engineer

United StatesUnited States·TrumbullFull-timesenior
IT & AdministrationNetwork EngineerInfrastructure & Cloud
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Quick Summary

Overview

The Role: The Senior Network Engineer role is based within the Americas Hosted Data Centre department in Trumbull, CT.

Technical Tools
IT & AdministrationNetwork EngineerInfrastructure & Cloud
The Role:

The Senior Network Engineer role is based within the Americas Hosted Data Centre department in Trumbull, CT. The Senior Network Engineer will be responsible for supporting and maintaining ION's regional and global infrastructure.

• You'll have ownership of your role and projects.
• You are not siloed into one area.
• Exposure to lots of varied, complex technologies and great opportunity to learn. You will be a true hands-on generalist that builds a broad and deep skill set.
• Promotable, dynamic career track with opportunity to get involved in more complex project work.
  • Deploy network infrastructure following established design standards.
  • Perform general maintenance on routers, switches and firewalls.
  • Troubleshoot issues in a complex Internet/Extranet environment.
  • Interact professionally with customers and vendors to determine design requirements.
  • Provide Level 1 through Level 4 network support.
  • Participate in on-call rotation.
  • Provide occasional 1st level server support such as racking and disk swaps.
  • Occasional travel to remote Fidessa Data Centres in the Chicago Area.
  • International Travel to Canada, Mexico, Chile and Brazil (2 weeks a year).
  • 6+ years of network engineering experience in an enterprise environment.
  • Experience configuring Arista routers/switches in both traditional backbone/access layers as well as spine and leaf.
  • Proficient configuring Juniper routers, switches and firewalls via command line interface.
  • Enterprise experience with firewalls such as Checkpoint, Juniper SRX, Palo Alto.
  • In-Depth knowledge of routing protocols: BGP, OSPF, EIGRP, MPLS, PIM, RIP.
  • In-Depth knowledge of Layer2 protocols: STP, 802.1q, VPC, LACP.
  • Experience in hybrid cloud integration and cloud networking.
  • Must have knowledge of traffic engineering and QoS.
  • Proficient with configuring and troubleshooting IPSEC VPNs.
  • Proficient with network packet capture and analysis.
  • Proficient with creating network diagrams with MS Visio.
  • A thorough understanding of TCP/IP.
  • Experience working with Network Monitoring Systems e.g. PRTG, Nagios.
  • Clear, accurate and concise written and verbal communication skills.
  • Strong analytical skills with good attention to detail.
  • Good time management and planning skills.
  • Demonstrated technical leadership skills.
  • Organized and able to use initiative to prioritize work and able to adapt to changing workload priorities.
  • Takes ownership of delegated tasks and sees things through to completion.
  • Enthusiastic and highly motivated.
  • Calmness under pressure and ability to remain focused on service.
  • Ability to create and maintain strong working relationships.
  • Maintain detailed technical documentation, including network diagrams, configuration records, and knowledgebase content.
  • Must have an automobile and be able to drive to Trumbull, CT office.
  • Arista ACE-L3, CCIE, or demonstrated equivalent experience.
  • Experience with network automation a plus.
  • Experience with automation: Ansible, Python, etc a plus.
  • Fintech, finance, banking experience is a huge plus.

    • Location & Eligibility

    Where is the job
    Trumbull, United States
    On-site at the office
    Who can apply
    US
    Listed under
    United States

    Listing Details

    Posted
    January 28, 2026
    First seen
    March 25, 2026
    Last seen
    May 4, 2026

    Posting Health

    Days active
    40
    Repost count
    0
    Trust Level
    23%
    Scored at
    May 5, 2026

    Signal breakdown

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    Ion
    Ion
    lever
    Employees
    5
    Founded
    2025
    Domain
    ionconsumables.com
    Jobs
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