Unix App Support Engineer – Real-Time Trading (Hybrid, Spain)

Referment; Madrid; Hybrid; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Performance-related bonus

Hybrid working (3 days in the office)

Collaborative, international team

Job summary

Referment is partnering with a leading pan-European trading platform to hire a Unix Application Support Engineer to join their growing Madrid operations team.

This role focuses on applying Unix skills to complex financial software, supporting production and test trading platforms in a high-performance, real-time environment. The position requires availability for late shifts (16:00–00:00 CET) and a hybrid working pattern with office attendance three days per week in Madrid.

Qualifications

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

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

Fluent English

Late shifts availability

Hybrid mindset

Problem solving

Tools

Nagios

Opsview

Zabbix

Job description

Referment is partnering with a leading pan-European trading platform to hire a Unix Application Support Engineer to join their growing Madrid operations team.

This role focuses on applying Unix skills to complex financial software, supporting production and test trading platforms in a high-performance, real-time environment. The position requires availability for late shifts (16:00–00:00 CET) and a hybrid working pattern with office attendance three days per week in Madrid.