A leading systematic hedge fund firm is seeking a Network Operations Engineer to join its global infrastructure team. The role focuses on reliability, automation, observability, and continuous improvement across a complex global network estate. The ideal candidate will have 5+ years of experience in Network Operations and strong technical skills.
Key Highlights
Key Responsibilities
Technical Skills Required
Benefits & Perks
Nice to Have
Job Description
Network Operations Engineer – Systematic Hedge Fund | Leading Compensation
A leading systematic hedge fund firm is seeking a Network Operations Engineer to join its global infrastructure team, responsible for maintaining and evolving the network platforms underpinning a large-scale, high-performance trading environment.
This is a highly technical operations role focused on reliability, automation, observability, and continuous improvement across a complex global network estate. You’ll work across large-scale data centre, low-latency LAN, WAN, cloud connectivity, and automation platforms, helping ensure the availability, performance, and resilience of critical infrastructure.
The role sits at the intersection of Network Operations, DevOps, and Site Reliability Engineering, offering exposure to modern networking technologies, infrastructure-as-code practices, and software-driven operations within a performance-focused environment.
The Role
- Act as a subject matter expert for complex network incidents, acting as a key escalation point across the infrastructure environment
- Support and maintain large-scale network infrastructure across data centre, low-latency LAN, WAN, internet, and cloud connectivity environments
- Troubleshoot complex networking issues through deep technical investigation, packet analysis, and collaboration with internal teams and vendors
- Improve network observability through monitoring, alerting, dashboards, and performance analysis
- Develop and enhance operational tooling, automation, and self-healing capabilities to improve reliability and reduce manual effort
- Support Infrastructure-as-Code practices across network operations, using automation to deliver consistent and scalable changes
- Contribute to CI/CD pipelines, GitOps workflows, and configuration management processes across the network estate
- Perform root cause analysis following incidents, identifying opportunities to improve availability, resilience, and operational maturity
- Define and improve service reliability practices, including SLOs, capacity analysis, and proactive issue identification
- Deliver BAU changes through automated workflows and robust change management processes
- Work closely with Network Engineering, Infrastructure Automation, and wider technology teams to continuously improve the platform
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Requirements
- 5+ years’ experience within Network Operations
- Strong experience operating and troubleshooting enterprise-scale network environments
- Experience acting as a 2nd/3rd line escalation point for complex networking incidents
- Experience supporting modern data centre networking environments
- Strong troubleshooting capability using tools such as Wireshark, Splunk, or similar observability / packet capture platforms
- Experience with network monitoring and alerting platforms such as Zabbix, SolarWinds, Nagios, Prometheus, Alertmanager, or Grafana
- Understanding of automation and software-driven infrastructure practices, including Ansible, Terraform, GitOps, and CI/CD workflows
- Scripting experience using Python, Go, or similar languages to improve automation and operational efficiency
- Experience with Arista networking platforms would be highly beneficial
- Strong understanding of infrastructure metrics, monitoring, visualisation, and performance analysis
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Desirable:
- Experience within financial services, quantitative trading, or other low-latency environments
- CCNP / CCNA certification
- Arista ACE certification
- Exposure to HPC networking environments or technologies such as NVIDIA Spectrum-X
- Networking or computer science degree background
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Company Highlights
- Technology-led culture – drives both trading and internal engineering investment
- Significant growth across compute, storage, and networking platforms creating a strong pipeline of upcoming projects
- Opportunity to work on some of the most challenging networking problems within a large-scale HPC environment
- c.2,000 employees – large enough for scale, small enough for meaningful individual impact
- Brand-new London HQ – core engineering and trading hub with free on-site gym
- Flat organisational structure – offers meaningful ownership and direct exposure to senior technical leadership
- Highly collaborative culture with close interaction between functions facilitated by the lack of barriers between teams
- Excellent Glassdoor ratings consistently quoting a strong work-life balance
- Strong focus on innovation, automation, and engineering excellence
- Strong Benefits: Free breakfast & lunch, 13% pension, year-one guaranteed bonus, allowance of work abroad days, private health, relocation packages, and more.
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