We are seeking a specialized Mainframe Developer to join our team in Krak- w, Poland, on a contract basis.

This role requires 4+ years of dedicated experience focused on operating and engineering robust mainframe batch environments.

The successful candidate will be critical in driving automation, stability, and service resilience for mission-critical systems running on the IBM z/OS platform.

Role Requirements & Logistics :

Role Title : Mainframe Developer

Experience Required : 4+ years

Location : Krak- w, Poland

Job Type : Contract

Key Responsibilities & Technical Deliverables :

Batch Engineering & Development :

- JCL Expertise : Develop, maintain, and provide expert support for Job Control Language (JCL) on the IBM z/OS operating system, ensuring optimal resource utilization and efficiency.

- Workload Scheduling (Mandatory) : Implement, configure, and manage batch workload scheduling using IBM Workload Scheduler (IWS), ensuring timely execution and managing complex dependencies.

- Process Automation : Actively drive the automation of build, testing, and deployment processes within the mainframe environment to enhance efficiency and reduce manual intervention.

Service Management & Resilience :

- SLA & Resilience : Ensure all batch environments meet strict Service Level Agreements (SLAs), maintain high levels of service resilience, sustainability, and recovery objectives (RTO/RPO).

- Incident & Change Management : Adhere rigorously to enterprise Incident and Change Management processes, ensuring compliance with all service management standards for all modifications and issues.

- Monitoring & Tooling (Preferred) : Utilize or gain experience with system monitoring and maintenance tooling to proactively track batch performance, preempt potential failures, and ensure overall health.

Platform & Collaboration :

- Specialized Tools (Preferred) : Familiarity with specialized scheduling and analysis tools like Horizont IWS Graph and BatchCP/AD is a distinct advantage.

- Communication : Maintain English fluency to facilitate clear communication and collaboration with international project and support teams.

Required Skills & Experience :

- Experience : 4+ years of professional mainframe development/engineering experience.

- Core Skills (Mandatory) : Expert proficiency in JCL and experience with IBM Workload Scheduler (IWS).

- Communication : English fluency is mandatory for effective teamwork.

- Specialized Tools : Familiarity with tools like Horizont IWS Graph and BatchCP/AD is preferred.

Preferred / Nice to Have :

- Experience with system monitoring and maintenance tooling for z/OS.

- Experience in regulated industries (e.g., Financial Services, Banking)