Application Production Support Engineer - Geneos ITRS

We are looking for an experienced Senior Application Production Support Engineer to join a global Markets Production Support team responsible for maintaining business-critical banking applications and services.

The team supports a wide range of systems covering settlements, payments, cash flow processing, business process management, and regulatory reporting.

You will work in a distributed international environment, collaborating with technology teams across different regions to ensure the stability, availability, and continuous improvement of critical production platforms.

This role combines hands-on technical application support, incident and problem management, automation, and close cooperation with infrastructure and development teams. It offers an opportunity to work with enterprise-scale banking systems in a demanding, fast-paced environment.

Provide advanced technical application support within a Business-as-Usual (BAU) production environment.

Monitor and maintain critical applications and infrastructure using Geneos ITRS, Apache Airflow, and BMC Control-M.

Manage incidents, problems, and changes of varying complexity, ensuring timely resolution and minimal business impact.

Apply IT Service Management (ITSM) principles and effectively prioritize tasks in a dynamic production environment.

Identify opportunities to improve automation, operational efficiency, and service quality, taking ownership of initiatives through to implementation.

Work closely with the CIO and relevant technology teams to troubleshoot issues and implement application enhancements that improve the supportability of the platform.

Ensure compliance with established Change Control and Fault Reporting procedures.

Participate in bank-wide Disaster Recovery (DR) testing and collaborate with the wider Production Support team on remediation activities.

Work closely with UNIX, Database, Network, and upstream/downstream application teams to improve service quality and operational efficiency.

Manage outstanding risks and audit findings, ensuring appropriate remediation and closure.

Conduct regular environment risk assessments and identify, document, and escalate emerging risks.

Actively contribute to knowledge sharing and cross-training initiatives within internal teams.

University degree in Computer Science, Information Technology, or a related technical discipline.

Strong experience in Application Production Support, IT Operations, or a similar technical support role, preferably within the financial services or banking sector.

Solid understanding of IT Service Management (ITSM), including Incident, Problem, and Change Management.

Strong hands-on experience with UNIX/Linux environments and shell scripting.

Very good knowledge of SQL and relational databases, including troubleshooting and data analysis.

Good programming skills in at least one language, preferably Python.

Experience with monitoring and scheduling tools such as Geneos ITRS, Apache Airflow, and BMC Control-M.

Familiarity with technologies such as ELK Stack, Apache Kafka, and Apache ZooKeeper.

Practical experience using AI-powered tools to improve productivity and support daily engineering activities.

Ability to troubleshoot complex technical issues and work effectively under time pressure.

Strong analytical and problem-solving skills, with the ability to manage multiple priorities simultaneously.

Excellent communication and collaboration skills, combined with the ability to work independently in a remote, globally distributed team.

Fluent English, both written and spoken.

#OneSquareOne - one team, many talents

Square One Poland specializes in IT outsourcing and supporting companies in building and scaling technology teams. We help international organizations access proven IT specialists, carefully matched to project requirements and company culture.

We act as a strategic partner, enabling effective team scaling — from individual experts to complete project teams — based on transparent cooperation and long-term, win–win relationships. For IT professionals, we offer inspiring projects delivered with modern technologies, clear communication, and real opportunities for professional growth.

Operating internationally, we combine years of experience with creativity, agility, and flexibility. Despite our market maturity, we retain a start-up DNA that allows us to respond quickly to changing business needs.

Our organizational culture is confirmed by the Great Place to Work® 2026 certification.