Real-Time Unix App Support Engineer | Trading Platform

Referment; Madrid; Hybrid; EUR 55,000 - 85,000; Full time

Benefits offered by this job

Performance-related bonus

Hybrid working (3 days in the office)

Job summary

Referment is partnering with a leading pan-European trading platform to hire a Unix Application Support Engineer in Madrid. You will work in a high-performance, real-time trading environment, supporting critical systems that power European markets.

The role is focused on application support rather than pure admin tasks, and requires late shifts (16:00–00:00 CET) with a hybrid model, being in the office three days a week.

Qualifications

• Expert-level Unix/Linux command line experience is essential.
• Advanced scripting in Bash, Python, and/or Perl with strong scripting logic.
• Availability to work late shifts (16:00 to 00:00 CET).
• A proactive mindset with a focus on application support over sysadmin or cybersecurity.
• Commitment to a hybrid working model, attending the office 3 days a week.
• Fluent written and spoken English.

Responsibilities

• Monitoring trading platforms and responding to incidents.
• Troubleshooting, recovery, and root cause analysis.
• Automating tasks and reporting (Bash, Python, Perl).
• Supporting application deployments and change processes.
• Working with financial messaging protocols (FIX / ITCH).
• Analysing Unix system performance.
• Collaborating with Ops, QA, Dev, and Market Control teams.

Skills

Unix/Linux CLI

Bash scripting

Python scripting

Perl scripting

English fluency

Tools

Nagios

Opsview

Zabbix

Job description

Referment is partnering with a leading pan-European trading platform to hire a Unix Application Support Engineer in Madrid. You will work in a high-performance, real-time trading environment, supporting critical systems that power European markets.

The role is focused on application support rather than pure admin tasks, and requires late shifts (16:00–00:00 CET) with a hybrid model, being in the office three days a week.