---
title: 'Network Engineer – Trading & Electronic Trading Infrastructure at MARGO'
canonical: 'https://feeny.ai/job/network-engineer-trading-electronic-trading-infrastructure-margo-london-g15hdb5yt232'
type: 'job'
last_seen: '2026-09-07'
---

# Network Engineer – Trading & Electronic Trading Infrastructure at MARGO

- **Company:** MARGO
- **Location:** London, United Kingdom
- **Employment:** contract
- **Work type:** hybrid
- **Posted:** 2026-01-12
- **Last confirmed live:** 2026-09-07
- **Apply:** https://jobs.lever.co/margo-group/1715b55d-f9b8-46ca-8c0d-a7256548f545

## Job description

Network Engineer – Trading & Electronic Trading Infrastructure

Join MARGO in the UK (London) – Perm & Contracting Opportunities

MARGO is a tech-native consultancy delivering high value-added IT expertise to complex financial markets environments. We work on mission-critical trading and electronic trading infrastructures where performance, latency, resilience and automation are key success factors. Our consultants operate close to trading, application and infrastructure teams to design, transform and operate high-performance platforms. Joining MARGO means contributing to technically demanding transformation initiatives while benefiting from a human-sized structure, close follow-up and tailored career paths.

Business Context

You will join a trading and electronic trading infrastructure environment undergoing a significant network transformation. After years of organic growth, the network architecture is being rethought with fresh investment and a strong focus on:

- latency-sensitive electronic trading systems
- scalability and resilience
- automation and infrastructure-as-code principles The role sits at the intersection of network engineering, production operations and application proximity, with direct interaction with trading and development teams.

## Role Overview

We are looking for a Network Engineer to contribute to the redesign, automation and operation of trading and corporate network infrastructures. The role combines architecture, hands-on engineering and production ownership. It is suited for engineers who want to work close to trading environments while participating in meaningful technical transformation initiatives.

## Key Responsibilities

Architecture & Transformation

- Contribute to the re-architecture of trading and electronic trading network infrastructure to improve latency, scalability and resilience
- Design and deploy network solutions following network-as-code principles
- Produce and maintain high-level and low-level designs (HLD / LLD)
- Participate in technical discussions around network standards and evolution

Automation & Engineering

- Contribute to network automation initiatives using tools such as Ansible
- Help standardise configurations, deployments and operational changes
- Work closely with application and development teams to align infrastructure with system requirements
- Support integration with market connectivity and broker networks

Production & Operations

- Participate in production support for trading network environments
- Contribute to troubleshooting and root-cause analysis in production
- Perform packet-level analysis to diagnose latency, packet loss or connectivity issues
- Support monitoring, capacity planning and incident response activities
- Help ensure high availability and operational stability of critical environments

Collaboration & Communication

- Act as a point of contact between infrastructure, trading and application teams
- Capture business and application needs and translate them into technical solutions
- Collaborate with global teams and external vendors on implementations and upgrades
- Contribute to knowledge sharing and operational documentation

Technical Environment

Core Technologies

- Network engineering in low-latency and high-availability environments
- Arista network equipment and architectures
- Network automation (Ansible)
- Routing protocols: OSPF, BGP
- IP transmission: Unicast and Multicast
- Direct market connectivity and broker integrations

Valued Technical Exposure

- Firewalls, proxies and load balancers (e.g. LTM, Web Gateways)
- Monitoring and observability tools
- Capacity planning and performance optimisation
- Large-scale trading or electronic trading infrastructures

Required Experience & Skills

Essential

- Experience in trading or electronic trading network environments
- Hands-on expertise with network infrastructure and routing
- Exposure to network automation or infrastructure-as-code practices
- Strong understanding of IP networking, routing and multicast
- Troubleshooting skills including packet-level analysis
- Experience working on production-critical systems
- Ability to work close to application and business teams
- Strong ownership and communication mindset

Valued (but not restrictive)

- Experience with Arista network environments
- Exposure to infrastructure transformation programmes
- Familiarity with firewalls, proxies or load balancers
- CCIE certification or equivalent hands-on experience

## Why Join MARGO

- Access to high-impact trading and electronic trading infrastructure projects
- Opportunity to contribute to architectural and automation initiatives
- Roles combining engineering, production and application proximity
- Close collaboration with trading and development teams
- Human-sized consultancy with strong technical standards and long-term focus

Please note - We do not offer visa sponsorship for this position.

Interested? Motivated? Apply on our website or at staff.uk@margo.com

## About MARGO

## Company Overview
- **One-liner**: MARGO is an international technology engineering and AI consulting group that transforms technological complexity into business performance for global leaders in finance, insurance, energy, manufacturing, and tech.
- **Entity Type**: Private (100% organically grown, no external funding disclosed)
- **Headquarters**: Paris, France (with offices in London and Warsaw)
- **Founded**: 2005
- **Founders**: Olivier Hemar and Xavier Lagarrigue

## Core Business
- **Primary industries**: Data, Cloud, and AI consulting; IT engineering services
- **Target customers**: B2B – large enterprises and global leaders in Finance, Insurance, Energy, Manufacturing, and Technology
- **Mission/purpose**: To solve highly complex IT challenges by combining engineering excellence with world-class partner solutions, transforming technological complexity into business performance and competitive advantage.

## Products & Services
- **Data, Cloud & AI Architecture Consulting**: Design and deployment of critical data, cloud, and AI architectures for high-stakes environments. Service type: Consulting & Engineering Services.
- **Hyper-specialized IT Consulting**: Focus on highly complex IT projects where the complexity of the mission correlates with its value. Service type: Consulting.

## Market Standing
- **Valuation/Market Cap**: Not publicly available (private company)
- **Key Metric**: €45M turnover in 2025 (annual revenue)
- **Notable Investors/Partners**: No external investors cited; company is 100% organically grown. Partners include global technology leaders (e.g., cloud and data platform providers).
- **Growth Signals**: 19+ consecutive years of growth; expanded from Paris to London and Warsaw with a team of 450; 34% of consultants from Tier 1 universities; certified Great Place to Work (Top 30 in France).

## Competitive Advantages
- **Hyper-specialization**: Focuses exclusively on highly complex IT projects, avoiding volume-driven commodity consulting.
- **Elite talent pool**: 34% of consultants from top-tier engineering schools (Polytechnique, CentraleSupélec, Télécom Paris, ENSIMAG) – 15% above market average.
- **Strong culture of excellence**: Peer-led EXCELLENCE Hub delivers 726 coaching sessions/year, 35 Learning Expeditions, one certified training per employee per year.
- **100% organic growth** since 2005, demonstrating a resilient and independent business model.

## Strategic Focus
- Continue organic growth by deepening relationships with key accounts in finance, insurance, and industry.
- Invest in the EXCELLENCE Hub to further develop technical skills and personal branding (e.g., speaking at Devoxx, ACCU, CppCon).
- Expand the hybrid work model that balances in-person collaboration (headquarters in La Défense, Paris) with remote flexibility.
- Maintain a selective project portfolio – prioritize quality and intellectual challenge over volume.

## Why Work Here
- **Culture**: Emphasizes excellence, exemplarity, and ambition. Peer-led acceleration with continuous learning (Learning Lunches, meetups, certifications). Encourages personal branding and thought leadership.
- **Work environment**: Hybrid approach – offices in La Défense (27th floor of Tour Aurore) with collaborative spaces, auditorium, rooftop terrace, and private gym. On-site presence is valued for social cohesion and innovation.
- **Perks**: Guaranteed certified training each year; sports communities (Running, Football, Yoga); participation in major events like Marathon de Paris. Great Place to Work certified (Top 30 in France with 83% employee approval).
- **Hiring process**: 3-step recruitment (Talent Acquisition + Business Developer, technical employee interview with logic exercises and algorithmic challenges, Head of Department final round). AI tools may be used in application review.

## Sources
1. [margo.com – Company overview](https://www.margo.com/en/accueil-english/)
2. [margo.com – Company Life](https://www.margo.com/en/company-life/)
3. [margo.com – DNA & History](https://www.margo.com/en/dna-margo-en/)
4. [margo.com – Recruitment process](https://www.margo.com/en/recruitment-process/)
5. [jobs.lever.co – MARGO careers page](https://jobs.lever.co/margo-group)

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