Systems Engineer - Linux

Autonomai Recruitment; Dublin; On-site; EUR 90,000 - 120,000; Full time

Job summary

Autonomai Recruitment is seeking a Systems Engineer to join a global leading tech trading firm’s high-performance infrastructure team. The role focuses on designing, building, and supporting mission-critical trading systems across a global platform, with emphasis on speed, resilience, and precision.

You will automate with Python, manage DNS and Linux-based infrastructure, and collaborate with engineering, operations and trading teams to resolve incidents and improve platform stability at scale.

Qualifications

• Strong experience as a Systems Engineer in a high-performance production environment.
• Hands-on Python experience for automation, scripting, and tooling.
• Solid DNS experience, including troubleshooting and operational support.
• Strong Linux systems knowledge and disciplined infrastructure support.
• Exposure to low-latency trading or similarly demanding environments is desirable.
• Proactive mindset with ownership and ability to perform under pressure.

Responsibilities

• Build, maintain, and improve core systems infrastructure supporting trading technology.
• Develop automation and tooling using Python to improve reliability, efficiency, and operational scale.
• Support DNS infrastructure and troubleshoot complex name resolution and related network issues.
• Work closely with engineering, operations, and trading teams to resolve incidents and improve platform stability.
• Contribute to observability, monitoring, and system hardening across critical environments.

Skills

Python

DNS

Linux

Low-latency trading

Automation

Job description

Our client, a global leading tech trading firm, is seeking an exceptional Systems Engineer to join its high-performance infrastructure team. This is a rare opportunity to work at the heart of a world-class technology environment where speed, resilience, and precision are critical.

The successful candidate will help design, build, and support the systems that underpin mission-critical trading operations across a global platform. This role will suit an engineer who enjoys solving complex infrastructure problems, automating wherever possible, and operating in a demanding environment where technical excellence is the standard.

Key responsibilities

• Build, maintain, and improve core systems infrastructure supporting trading technology.
• Develop automation and tooling using Python to improve reliability, efficiency, and operational scale.
• Support DNS infrastructure and troubleshoot complex name resolution and related network issues.
• Work closely with engineering, operations, and trading teams to resolve incidents and improve platform stability.
• Contribute to observability, monitoring, and system hardening across critical environments.

Requirements

• Strong experience as a Systems Engineer in a high-performance, production environment.
• Hands-on Python experience for automation, scripting, and tooling.
• Solid DNS experience, including troubleshooting and operational support.
• Strong Linux systems knowledge and a disciplined approach to infrastructure support.
• Exposure to low-latency, trading, financial services, or similarly demanding technical environments is highly desirable.
• A proactive mindset, strong ownership, and the ability to perform under pressure.

What’s on offer

This is an opportunity to join one of the most advanced technology trading environments in the world, where engineers have genuine ownership and direct impact. The role offers exposure to sophisticated systems, high-calibre colleagues, and the chance to work on infrastructure that matters at scale.