Requirements

• 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).
• OS & Hardware Expertise: Solid, practical knowledge of server hardware, network appliances, and computer internals. Proven ability to troubleshoot server OS (Linux), enterprise applications, and network infrastructure issues.
• Experience: Minimum of 5 years of systems administration, network infrastructure engineering, or related experience.
• Network Troubleshooting: Experience diagnosing network performance issues, packet loss, and latency using tools like Wireshark, tcpdump, or traceroute.
• Hardware Lifecycle: Demonstrated ability to analyze, troubleshoot, and resolve complex hardware failures, performance bottlenecks, and component issues.
• 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.
• Performance Management: Experience with hardware/network monitoring tools (e.g., Prometheus, Grafana, SNMP) and performance tuning.
• Professional Communication: Aptitude to maintain a professional and clear relationship in all collaborative technical interactions, inquiries, and status updates.
• Organization: Strong organizational 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.

Nice-to-Have Skills

• 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.
• Server Administration: Familiarity with enterprise Linux server environments and automated deployment tools.
• Automation: Practical experience writing scripts in Python to automate repetitive network administration, Cisco provisioning, and infrastructure tasks.

What You'll Be Doing

• Collaborating with senior engineers to scale systems and develop automation solutions.
• Maintaining, troubleshooting, and improving networks, routing protocols, and computing systems.
• Providing high-level technical support for systems and driving automated setups.

Perks and Benefits

• 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 amenities like table tennis and foosball, personalized desk configurations, and a cozy team breakout area with games.
• Great company culture: informal, non-hierarchical, ambitious, highly professional with a startup vibe, collaborative, and entrepreneurial.
• Performance-based compensation with a significant earning potential alongside standard perks like pension and private health insurance.