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# Low Latency Linux Engineer - Optimise low-latency trading infrastructure

- **Company:** Saragossa
- **Location:** London, UK
- **Experience:** Expert
- **Salary:** £35,000.0 - £55,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Linux, Microprocessors, High-Frequency Trading, Python (Programming Language), Performance Tuning, Red Hat Enterprise Linux, Low Latency
- **Published:** August 26, 2026
- **Apply:** https://www.collegerecruiter.com/job/2815045432-low-latency-linux-engineer-optimise-low-latency-trading-infrastructure

## About the Role

* Experience as a Low Latency Linux Engineer or in a similar role.
 * Strong knowledge of RHEL kernel-level optimization, CPU and memory tuning.
 * Proficiency in Python, Java or Go.
 * Experience with high-frequency trading infrastructure is desirable.

## Description

Overview

Consultant at Saragossa - Creating competitive advantage for investment technology organisations. Low Latency Linux Engineer - Optimise low-latency trading infrastructure for an HFT trading firm and bridge the gap between Application and Platform.

Responsibilities

 * Push systems to the edge of performance by optimising low-latency trading infrastructure.
 * Optimise RHEL at kernel level, tune CPUs and memory.
 * Build tooling in Python, Java or Go to support performance objectives.
 * Deliver microsecond execution for trading platforms.

Qualifications

 * Experience as a Low Latency Linux Engineer or in a similar role.
 * Strong knowledge of RHEL kernel-level optimization, CPU and memory tuning.
 * Proficiency in Python, Java or Go.
 * Experience with high-frequency trading infrastructure is desirable.

Details

 * Seniority level: Mid-Senior level
 * Employment type: Full-time
 * Location: London Area, United Kingdom
 * Salary: £35,000.00-£55,000.00


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