Senior Network Engineer

Job Category: Business and finance
Job Type: Full Time
Job Location: USA
Company Name: ION

Company Overview

We are visionary innovators providing mission-critical trading and workflow automation software to financial institutions, corporations, central banks, and governments. By combining our passion for automation with deep industry expertise, we create solutions that enhance decision-making, simplify complex processes, and empower people to achieve more, faster, and better. Our commitment to R&D drives the future of automation, enabling our customers’ business transformation, and we foster a collaborative culture of continuous improvement for shared success.

Shape Global Financial Networks as a Senior Network Engineer at ION!

Based in Somerset, NJ, within our Americas Hosted Data Centre, you’ll be a key player in supporting and maintaining ION’s regional and global infrastructure. This is an exciting opportunity to take ownership, gain diverse experience across complex technologies, and build a broad and deep skillset with a dynamic career track.

Your Responsibilities:

  • Deploy network infrastructure according to design standards.
  • Perform general maintenance on routers, switches, and firewalls.
  • Troubleshoot complex Internet/Extranet environment issues.
  • Professionally interact with customers and vendors for design requirements.
  • Provide Level 1-4 network support.
  • Participate in an on-call rotation.
  • Provide occasional Level 1 server support (racking, disc swaps).
  • Travel occasionally to NJ data centers and internationally (Canada, Mexico, Chile, Brazil – approx. 2 weeks/year).

Shift Options: Monday – Friday 7:00 AM – 3:30 PM OR 10:30 AM – 7 PM; Saturday work as needed (approx. 2x/month) with extra pay; Occasional on-call with additional pay.

What You’ll Need:

  • 6+ years of enterprise network engineering experience.
  • Expert in configuring Juniper routers, switches, and firewalls (CLI).
  • Experience with Cisco and Arista switches.
  • Enterprise firewall experience (Checkpoint, Juniper SRX, Palo Alto).
  • Deep knowledge of routing protocols (BGP, OSPF, EIGRP, MPLS, PIM, RIP) and Layer 2 protocols (STP, 802.1q, VPC, LACP).
  • Knowledge of traffic engineering and QoS.
  • Proficient in configuring and troubleshooting VPNs.
  • Proficient with network packet capture and analysis.
  • Proficient in creating network diagrams with MS Visio.
  • Thorough understanding of TCP/IP.
  • Experience with Network Monitoring Systems (e.g., PRTG, Nagios).
  • Clear written and verbal communication skills.
  • Strong analytical and problem-solving skills with attention to detail.
  • Good time management and organizational skills with the ability to prioritize.
  • Proactive with a strong sense of ownership.
  • Calm under pressure and service-focused.
  • Ability to build strong working relationships.
  • Must have a car and be able to drive to NJ data centers.

Bonus Points:

  • Bilingual in English/Spanish.
  • Experience with network automation (Ansible, Python, etc.).
  • Fintech, finance, or banking experience.

About ION:

ION is a global leader in trading and workflow automation software, analytics, and consulting for financial institutions, corporations, central banks, and governments. Join our diverse team of innovators and make a significant impact in the financial technology industry.

Learn more at iongroup.com.

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