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Role: Platform Specialist – Low Latency Infrastructure (ULL)
Team: Application Engineer
Location: London / hybrid
Salary: Up to £280k base + Benefits
Our client is a global leader focused on delivering mission-critical, low latency infrastructure solutions for high-performance trading environments. They are looking for a highly skilled Platform Specialist to join their talented team and ensure the highest levels of availability, performance, and security across their low latency platform.
In this role, you will:
* Design, document, and enhance platform services including servers, storage, and cloud infrastructure.
* Provide L3 escalation support to troubleshoot and remediate performance and availability issues.
* Collaborate with internal and external partners including network, application, quant, and business teams to deliver scalable solutions.
* Proactively identify potential system bottlenecks and implement performance tuning and optimizations.
* Manage and tune Linux systems (RHEL, Rocky, CentOS, OEL) for low latency applications, including memory, CPU, and network tuning.
* Work closely with low latency network technologies, including kernel bypass with Solarflare/onload, and understand physical server architecture differences (Intel, AMD, ARM).
* Automate operational workflows and scripting using Python, Rust, or Bash.
The ideal candidate will have:
* 8+ years experience in Linux system operations, engineering, or performance tuning in enterprise or trading environments.
* Experience with High Performance Computing (HPC)
* Deep understanding of network protocols (TCP, UDP, multicast) and low latency networking principles.
* Hands-on experience with kernel tuning and kernel development.
* Familiarity with configuration management tools such as Ansible, Chef, or Terraform.
* Strong scripting and automation skills, preferably Python, Rust, or Bash.
* Excellent problem-solving skills with a proactive and ownership mindset.
* Strong verbal and written communication skills.
Nice to have:
* Knowledge of trade flow protocols like FIX, BOE, OUCH/ITCH, PILLAR, SBE, OMEX.
* Experience with FPGA-based applications and L1 network design.
* Familiarity with various network switch architectures and vendors.
If you’re ready to work in a high-paced, challenging environment where your expertise directly impacts critical trading infrastructure, apply now to join this world-class team.
? Interested? Apply today to advance your career in low latency platform engineering!
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