Technical Support Engineer

Square One Resources WARSAW 2026-09-02
  • 5+ years of experience in Technical Support, Application Support, Production Support or a similar role.
  • Strong knowledge of UNIX / Linux.
  • Hands-on experience with Bash / Shell Scripting.
  • Strong knowledge of SQL and databases.
  • Good knowledge of at least one programming language, preferably Python.
  • Practical experience with IT Service Management, including Incident, Problem and Change Management.
  • Experience supporting applications and systems in production environments.
  • Strong troubleshooting and analytical skills.
  • Very good English, both written and spoken.
  • Ability to work independently, prioritize tasks and operate effectively under time pressure.
  • Willingness and availability to work the required afternoon/evening hours: 16:00–00:00 CEST / 15:00–23:00 CET.

Nice to have:

  • Geneos ITRS
  • Airflow
  • BMC Control-M
  • ELK / Elasticsearch / Kibana
  • Kafka
  • Zookeeper
  • Experience with Disaster Recovery processes and testing.
  • Experience with risk management and audit processes.
  • Experience in automation and optimization of technical support processes.
  • Practical experience using AI tools to improve productivity.
  • Previous experience in the banking or financial services industry.

We are looking for a Senior Technical Support Engineer to join a long-term project for a global financial institution.

The role focuses on providing advanced technical support for critical applications and production environments. You will be responsible for monitoring systems, troubleshooting incidents, supporting day-to-day operations and working closely with teams across UNIX, databases, networks and upstream/downstream systems.

This is a hands-on technical support role, combining application support, production troubleshooting, monitoring, IT Service Management and continuous improvement.


Important: Afternoon/Night Shift


This role requires working afternoon/evening hours and is NOT a standard daytime position.


The working hours need to overlap with:

16:00–00:00 CEST during the summer time

15:00–23:00 CET during the winter time


Availability to work these hours is a key requirement for the position.


The role is primarily remote, with the possibility of working from the client's office a few times per month (less than once a week)


  • Long-term project – initial Work Order for 12 months, with a possibility of further extension.
  • Equipment provided by the client
  • Remote work with the possibility of working from an office in central Warsaw a few times per month
  • Two-stage recruitment process
  • No live coding task – technical knowledge will be assessed through live technical questions during the interviews.
,[Provide advanced technical support for applications and production environments as part of BAU (Business as Usual) operations., Monitor systems and processes using tools such as Geneos ITRS, Airflow and BMC Control-M., Investigate and resolve incidents and technical issues of varying complexity., Work in accordance with Incident, Problem and Change Management processes., Prioritize tasks to ensure effective and reliable service delivery., Identify opportunities for automation and process improvements and support their implementation., Work closely with UNIX, Database, Network and upstream/downstream teams to resolve issues and improve service quality., Support application improvements aimed at increasing the team's ability to provide effective technical support., Follow Change Control and Fault Reporting procedures., Participate in organization-wide Disaster Recovery (DR) tests and related remediation activities., Manage open risks and audit points through to resolution., Perform environment risk reviews and identify and report new risks when required., Share technical knowledge and provide cross-training to internal teams.] Requirements: Python, Unix, Bash, Shell, SQL, Analytical skills, risk management, AI, Airflow, Kafka Additionally: Sport subscription, Private healthcare.