Trading Systems L2 Application Support Engineer

Netrio; Belfast City District; On-site; GBP 45,000 - 65,000; Full time

Job summary

Netrio seeks a Level 2 application support engineer to support production trading apps (OMS/EMS) and front‑office workflows. You will resolve incidents, automate routine tasks with Python, and improve monitoring for reliability.

Work with coverage, development, and infra teams to investigate issues, validate fixes, and update runbooks and dashboards. Prior experience in trading tech and strong communication are essential.

Qualifications

• Experience providing Level 2 application or production support with structured troubleshooting and incident ownership.
• Familiarity with EMS, OMS, and front office trading systems and their impact on activity.
• Python scripting skills with ability to automate routine tasks and add logging.
• Proficiency in Linux environments, logs, and troubleshooting.
• Working knowledge of SQL for data investigations and validation.
• Familiarity with Git and changes deployment processes.
• Strong communication and ability to explain issues to non-technical stakeholders.
• Experience supporting real-time, highly available trading/financial services.

Responsibilities

• Provide Level 2 support for production trading applications and own escalated issues.
• Troubleshoot OMS/EMS and front office workflows, including data flow and connectivity.
• Investigate incidents using logs, monitoring, queries, and Linux utilities; communicate updates.
• Automate health checks, log analysis, data validation, and operational reporting with Python.
• Maintain and improve monitoring to reduce alerts and aid incident response.
• Support production releases with pre-release checks and rollback procedures.
• Create runbooks and knowledge articles to simplify issue resolution.
• Identify recurring incidents and contribute to root-cause analysis with engineering.

Skills

Python scripting

Linux

SQL

Incident ownership

Analytical thinking

Communication

Trading domain awareness

Prioritization under pressure

Tools

Python

Linux

SQL

Git

Ansible

FIX messaging

OMS/EMS

Job description

Netrio seeks a Level 2 application support engineer to support production trading apps (OMS/EMS) and front‑office workflows. You will resolve incidents, automate routine tasks with Python, and improve monitoring for reliability.

Work with coverage, development, and infra teams to investigate issues, validate fixes, and update runbooks and dashboards. Prior experience in trading tech and strong communication are essential.