Infrastructure Engineer

Requirements

• Solid, practical knowledge of server hardware, network appliances, and computer internals. Proven ability to troubleshoot server OS (Linux), enterprise applications, and network infrastructure issues.
• Minimum of 5 years of systems administration, network infrastructure engineering, or related experience.
• Experience diagnosing network performance issues, packet loss, and latency using tools like Wireshark, tcpdump, or traceroute.
• Demonstrated ability to analyse, troubleshoot, and resolve complex hardware failures, performance bottlenecks, and component issues.
• Experience with hardware/network monitoring tools (e.g., Prometheus, Grafana, SNMP) and performance tuning.
• Aptitude to maintain a professional and clear relationship in all collaborative technical interactions, inquiries, and status updates.
• Familiarity with enterprise Linux server environments and automated deployment tools.

About the Position

This is a core technical role within our Infrastructure Engineering team, responsible for maintaining, optimizing, and scaling a mixed environment spread across our physical and virtual computing landscape. This role focuses on owning and advancing our server and network infrastructure, providing high-level technical support for our systems, and driving our automated setups.

We are looking for a responsible, proactive infrastructure professional ready to take ownership of our computing environment. In this role, you will collaborate with senior engineers to scale our systems while actively developing and deploying automation solutions (specifically Python). Our business is constantly changing, and you will play a critical role in maintaining, troubleshooting, and improving our networks, routing protocols, and computing systems.

Wintermute provides excellent opportunities for individuals to deeply expand their automation and network infrastructure engineering skills.

Problem-Solving & Agility

Motivated to find the best solutions to problems of all sizes, whether they require managing data centre connectivity or hands-on hardware troubleshooting.

Network & Data Centre Foundations

• Solid understanding of data centre connectivity, structured cabling, and core
• TCP/IP networking concepts (IPv4/IPv6, subnetting).

Cisco Networking

Hands-on experience configuring, managing, and troubleshooting

Cisco switches

(e.g., Catalyst or Nexus series).

Version Control

Familiarity and hands-on experience with

Git workflow.

Team Collaboration

Ability to work seamlessly as part of a team that supports mission-critical production systems and back-office core infrastructure functions.

Organisation

Strong organisational skills and meticulous attention to detail.

Flexibility & Support

Ability to work weekend and evening shifts, and provide out-of-business-hours support when required for infrastructure deployments, critical incidents, or maintenance windows.

Security & Firewalls

Experience deploying, configuring, and monitoring enterprise

Firewalls and Access Control Lists (ACLs) to secure network perimeters.

Routing Protocols

Basic familiarity with enterprise routing protocols such as

BGP, OSPF

, or static routing environments.

Automation

Practical experience writing scripts in

Python to automate repetitive network administration, Cisco provisioning, and infrastructure tasks.

Here is why you should join our dynamic team

• Opportunity to work at one of the world's leading algorithmic trading firms.
• Engaging projects offering accelerated responsibilities and ownership compared to traditional finance environments.
• A vibrant working culture with team meals, festive celebrations, gaming events and company wide team building events.
• A Wintermute-inspired office in central London & Singapore, featuring an array of amenities such as table tennis and foosball, personalized desk configurations, a cozy team breakout area with games.
• Great company culture: informal, non-hierarchical, ambitious, highly professional with a startup vibe, collaborative and entrepreneurial.
• A performance-based compensation with a significant earning potential alongside standard perks like pension and private health insurance.