Madrid-Based Real-Time UNIX App Support Engineer

Referment; Madrid; Hybrid; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Performance bonus

Hybrid work (3 days in office)

International team environment

Cutting-edge trading systems

Job summary

Referment, partnering with a leading pan-European trading platform, seeks a Unix Application Support Engineer to join Madrid operations. You will support production and test trading platforms, ensuring stability, performance, and reliability in a fast-paced financial environment across Europe.

This is an application-support role (not pure admin or cybersecurity), with late shifts 16:00–00:00 CET and a hybrid model requiring three days in the office weekly.

Qualifications

• Expert-level Unix/Linux command line experience.
• Advanced scripting in Bash, Python, and/or Perl.
• Availability to work late shifts (16:00 to 00:00 CET).
• Hybrid working model, attending the office 3 days a week.
• Fluent written and spoken English.
• Experience with monitoring tools and system performance.
• Familiarity with regular expressions.

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 command line

Bash scripting

Python scripting

Perl scripting

Troubleshooting

Problem-solving

Regular expressions

English proficiency

Late shift availability

Tools

Nagios

Opsview

Zabbix

Job description

Referment, partnering with a leading pan-European trading platform, seeks a Unix Application Support Engineer to join Madrid operations. You will support production and test trading platforms, ensuring stability, performance, and reliability in a fast-paced financial environment across Europe.

This is an application-support role (not pure admin or cybersecurity), with late shifts 16:00–00:00 CET and a hybrid model requiring three days in the office weekly.