---
title: 'Senior Network Engineer at Exegy'
canonical: 'https://feeny.ai/job/senior-network-engineer-exegy-belfast-k0g2w5tnr2vk'
type: 'job'
last_seen: '2026-09-16'
---

# Senior Network Engineer at Exegy

- **Company:** Exegy
- **Location:** Belfast, United Kingdom
- **Employment:** full-time
- **Work type:** hybrid
- **Posted:** 2026-08-17
- **Last confirmed live:** 2026-09-16
- **Apply:** https://jobs.ashbyhq.com/exegy/8dacd7e5-960d-4c2c-920c-8e0685676fe0/application

**Skills:** Network administration, Juniper switching, Cisco switching, Arista switching, Multicast, IPSec VPNs, GRE tunnelling, Subnetting, VLANs, NAT, Fortinet firewalls, Checkpoint firewalls, Juniper SRX firewalls, Cisco ASA firewalls, Routing protocols, BGP, OSPF, VLAN tagging, Network security practices, Datacenter racking and patching

> The Senior Network Engineer supports Exegy’s network infrastructure by managing day-to-day administration, maintaining security devices, and collaborating with vendors to ensure smooth operations for production and development networks.

## Job description

## About Exegy

Exegy is a global leader in intelligent market data, advanced trading systems, and future-proof technology. Exegy serves as a trusted partner to the complete ecosystem of the buy-side, sell-side, exchanges, and financial services technology firms around the globe. Headquartered in St. Louis with regional offices in North America, the UK/Europe and Asia Pacific, Exegy has the global footprint to deliver world-class support and managed services to its customer base of elite financial market participants.

Job Summary The Senior Network Engineer will play a crucial role in supporting Exegy’s network infrastructure. This role involves network administration, device maintenance, and collaboration with vendors to ensure the smooth operation of network services. The ideal candidate should possess a strong technical background, extensive experience with network equipment and services, and the ability to work effectively in a fast-paced environment while contributing to project planning and execution.

## Responsibilities

- Provide day-to-day support & assistance to Exegy Network Engineering team on network issues across business critical Exegy Production, Corporate and Development networks
- Perform day-to-day network administration and maintain all network and security devices and systems to allow Exegy Network Engineering team to concentrate on design and execution of network management handover for SuperFeed, DMA and Metro products to relevant vendors
- Work with vendors providing network support to troubleshoot and resolve issues or roll out changes to hosted production environments
- Work with Exegy Network Engineers to plan and implement network changes to support business decisions

Our Ideal Candidate Has:

- Solid technical background with 5+ years’ experience in a hosted services environment including infrastructure networks, hardware and telecommunications
- Degree in Computer Science, Software or Electronic Engineering or other related discipline
- Strong experience in installing, configuring and maintaining network services, equipment and devices
- Proven experience with Juniper, Cisco, Arista switching
- Experience with Mellanox Infiband switches a plus
- Multicast experience desired
- Experience with RoCE a plus
- Experience with routing protocols including but not limited to BGP / OSPF
- Good understanding of subnetting, VLANs, VLAN tagging, NAT
- Strong experience configuring IPSec VPNs, GRE tunnelling
- Demonstrate good network security practices
- Ability to collaborate with stakeholders across a wide variety of teams in a fast-paced environment
- Ability to gather relevant information systematically to troubleshoot and resolve issues
- Capable of working effectively and efficiently in a team environment
- Contribute to technical aspects of project delivery, planning and risk management
- Effective communication, interpersonal and organizational skills
- Datacenter experience including racking and patching of devices
- Knowledge and experience configuring and maintaining Fortinet, Checkpoint, Juniper SRX, and Cisco ASA firewalls

## About Exegy

## Company Overview
- **One-liner**: Exegy provides resilient, low-latency solutions for normalized market data, connectivity, and real-time trading signals for financial firms [exegy.com](https://www.exegy.com/).
- **Entity Type**: Private (backed by Marlin Equity Partners; merged with Vela Trading Systems LLC in 2021) [exegy.com/company/about-us](https://www.exegy.com/company/about-us/)
- **Headquarters**: St. Louis, Missouri, United States [linkedin.com/company/exegy](https://www.linkedin.com/company/exegy)
- **Founded**: 2003 [linkedin.com/company/exegy](https://www.linkedin.com/company/exegy)
- **Founders**: Not publicly available (spun out of Washington University in St. Louis School of Engineering) [exegy.com/company/about-us](https://www.exegy.com/company/about-us/)

## Core Business
- **Primary industry**: Financial Services / Capital Markets Technology – low-latency market data, trading execution, and managed infrastructure.
- **Target customers**: B2B – Tier 1 banks, hedge funds, proprietary trading firms, market makers, exchanges, retail brokers, and ISVs [exegy.com](https://www.exegy.com/).
- **Mission / Purpose**: “Trade Better with Exegy – scalable, reliable market data and trading infrastructure for capital markets,” with a stated goal of “democratizing capital markets technology” [exegy.com/company/about-us](https://www.exegy.com/company/about-us/).

## Products & Services
- **Exegy Ticker Plant**: Hardware-accelerated (FPGA) normalized market data feed – the company’s original flagship product, providing ultra-low latency normalization, enrichment, and filtering [exegy.com/company/about-us](https://www.exegy.com/company/about-us/).
- **Axiom**: High-performance, real-time consolidated market data feed with expanded coverage including Middle Eastern exchanges (Saudi Arabia, Qatar, Kuwait). [exegy.com](https://www.exegy.com/) (Market Data Coverage Middle East announcement)
- **Exegy Nexus**: A unified platform for market data, connectivity, and execution – designed for firms across the latency spectrum [exegy.com](https://www.exegy.com/).
- **Managed FPGA Platform / Managed Appliance**: Fully managed, purpose-built hardware and software solutions for trading infrastructure, including FPGA development frameworks [exegy.com](https://www.exegy.com/).
- **Execution & Market Access**: Direct market access and order execution solutions for multi-asset trading [exegy.com](https://www.exegy.com/).
- **Managed Services**: End-to-end infrastructure management, allowing clients to offload maintenance and focus on trading strategies [exegy.com/company/about-us](https://www.exegy.com/company/about-us/).

## Market Standing
- **Valuation / Market Cap**: Not publicly disclosed (privately held).
- **Key Metric**: Annual revenue estimated at $65.4M (industry data source); total disclosed funding ~$16.8M (including private equity, debt, and grants) [linkedin.com/company/exegy](https://www.linkedin.com/company/exegy). Note: Official revenue not confirmed.
- **Notable Investors / Partners**: Marlin Equity Partners (lead investor in 2021 merger); strategic partnerships with leading hosting and hardware providers [exegy.com/company/about-us](https://www.exegy.com/company/about-us/). Works with the Financial Information Forum (FIF) to publish MarketDataPeaks.
- **Growth Signals**:
  - 175 employees (+8.3% YoY) [linkedin.com/company/exegy](https://www.linkedin.com/company/exegy)
  - Expansion of market data coverage into Middle East exchanges (June 2026) [exegy.com](https://www.exegy.com/)
  - Acquisitions of NovaSparks (2026) and Enyx (2022) to enhance ultra-low latency capabilities [linkedin.com/company/exegy](https://www.linkedin.com/company/exegy)
  - Over 175 patents since 2003; 29% of employees hold advanced degrees; 26% have 10+ years tenure [exegy.com/company/about-us](https://www.exegy.com/company/about-us/)

## Competitive Advantages
- **FPGA Hardware Acceleration**: 175+ patents in field-programmable gate array technology, providing unmatched low latency and deterministic performance [exegy.com/company/about-us](https://www.exegy.com/company/about-us/)
- **Full Latency Spectrum Coverage**: Only global provider offering solutions from ultra-low to medium latency, enabling clients to optimize cost and performance [linkedin.com/company/exegy](https://www.linkedin.com/company/exegy)
- **Managed Service Model**: Clients can offload infrastructure management, reducing operational complexity and allowing focus on strategy [exegy.com/company/about-us](https://www.exegy.com/company/about-us/)
- **Deep Industry Expertise**: 20+ years in capital markets; team with strong domain knowledge from top financial firms (Thomson Reuters, Bloomberg, Citi, Deutsche Bank) [linkedin.com/company/exegy](https://www.linkedin.com/company/exegy)

## Strategic Focus
- **Expanding Global Market Data Coverage**: Continuous addition of new regions, most recently Middle East; strengthening presence in Europe, Asia-Pacific, and North America [exegy.com](https://www.exegy.com/)
- **Integration of Acquired Technologies**: Merging NovaSparks and Enyx into unified platform to deepen ultra-low latency capabilities [linkedin.com/company/exegy](https://www.linkedin.com/company/exegy)
- **Managed Services Growth**: Converting one-off product sales into long-term recurring managed service relationships [exegy.com/company/about-us](https://www.exegy.com/company/about-us/)
- **AI and Automation**: Leveraging AI and service automation to enhance trading signals and reduce operational overhead [exegy.com/company/about-us](https://www.exegy.com/company/about-us/)

## Why Work Here
- **Culture**: Described as “people-first” with globally diverse teams, community volunteering, charity events, employee recognition, catered lunches, and social events [exegy.com/company/careers](https://www.exegy.com/company/careers/).
- **Work Model**: Multiple global offices (St. Louis, New York, London, Paris, Belfast, Manila) – likely hybrid/flexible, though not explicitly stated. Roles include remote-suitable positions (e.g., Senior Network Engineer) [linkedin.com/company/exegy](https://www.linkedin.com/company/exegy).
- **Engineering Excellence**: Cutting-edge FPGA and low-latency projects; high concentration of advanced degrees (29%); long tenure indicates stability and deep technical mentorship; active hiring for C++ software engineers and network engineers [exegy.com/company/careers](https://www.exegy.com/company/careers/), [linkedin.com/company/exegy](https://www.linkedin.com/company/exegy).
- **Perks**: Competitive salaries (example: Technical Account Manager ~$176K, Data Scientist ~$140K), stocked beverages, company swag, wellness initiatives [exegy.com/company/careers](https://www.exegy.com/company/careers/), [linkedin.com/company/exegy](https://www.linkedin.com/company/exegy).
- **Note**: Employer rating on LinkedIn is 2.9/5 (52 reviews) – job seekers may want to research current employee sentiment further [linkedin.com/company/exegy](https://www.linkedin.com/company/exegy).

## Sources
1. [exegy.com](https://www.exegy.com/)
2. [exegy.com/company/about-us](https://www.exegy.com/company/about-us/)
3. [exegy.com/company/careers](https://www.exegy.com/company/careers/)
4. [linkedin.com/company/exegy](https://www.linkedin.com/company/exegy)
5. [jobs.ashbyhq.com/exegy](https://jobs.ashbyhq.com/exegy) (careers page provided by user)

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