Analyst Developer PL/I – Mainframe

h3About Us /h3 pKEYES delivers integrated digital solutions through a unique ecosystem with seven areas of expertise: Infrastructure Cloud, Cybersecurity, Data AI, Business Software, Mainframe, Advisory and Staffing. Together, these capabilities help organisations of all sizes transform, perform and grow their responsibly. /p h3Job Description /h3 h3JOIN KEYES AS /h3 pAnalyst Developer PL/I – Mainframe /p h3About Us /h3 pKEYES delivers integrated digital solutions through a unique ecosystem with seven areas of expertise: Infrastructure Cloud, Cybersecurity, Data AI, Business Software, Mainframe, Advisory and Staffing. Together, these capabilities help organisations of all sizes transform, perform and grow their responsibly. /p pAs a trusted partner in the digital ecosystem, KEYES supports both private and public organisations in addressing their strategic challenges. We design and deliver end-to-end solutions that drive performance, agility and resilience. /p pAt KEYES, our people collaborate across areas of expertise, contribute to impactful projects and help shape the digital future. /p pMore information : /p h3About The Mission /h3 h3CONTEXT /h3 pAs part of the reinforcement of a Mainframe development team within a large Belgian organisation, we are looking for an experienced Analyst Developer PL/I to work on business‑critical applications in an IBM Mainframe environment. /p pYou will combine technical analysis, hands‑on development, corrective and evolutionary maintenance, testing and application support. /p pYou will work on legacy applications that remain central to the organisation’s operational processes and will contribute to their stability, evolution and long‑term maintainability. /p pThe role requires both strong analytical capabilities and the ability to work directly with existing PL/I applications, understand complex dependencies and implement reliable technical changes /p h3Your Main Responsibilities /h3 ul liPerform technical analysis of existing Mainframe applications and business requirements. /li liDevelop, modify and maintain applications written in PL/I. /li liWork on corrective and evolutionary maintenance of business‑critical applications. /li liAnalyse existing code, application flows and technical dependencies before implementing changes. /li liDevelop and maintain batch and, where applicable, transactional processing. /li liWork with DB2 databases and embedded SQL within Mainframe applications. /li liCreate, modify and maintain JCL jobs and batch chains. /li liWork with IMS / DL/I and CICS environments where applicable. /li liPerform unit, integration and non‑regression testing. /li liInvestigate application issues, production incidents and technical defects. /li liPerform troubleshooting and root cause analysis on Mainframe applications. /li liAnalyse ABENDs, batch failures, SQL errors and application behaviour. /li liSupport deployment and production activities. /li liContribute to performance optimisation of Mainframe programs and database access. /li liCollaborate with functional analysts, developers, production teams and business stakeholders. /li liDocument technical analyses, developments, fixes and application changes. /li liContribute to the long‑term stability and maintainability of legacy systems. /li /ul h3Job Requirements /h3 h3YOUR PROFILE /h3 ul liProven professional experience as a PL/I Developer, Mainframe Developer, Analyst Programmer or Analyst Developer. /li liStrong hands‑on experience with PL/I / PL1 in a professional Mainframe environment. /li liGood knowledge of IBM Mainframe and z/OS environments. /li liStrong experience with DB2 and SQL. /li liGood knowledge of JCL and batch processing. /li liExperience with technical analysis and application development. /li liAbility to analyse and understand existing legacy code with limited documentation. /li liExperience in corrective and evolutionary maintenance. /li liGood understanding of testing, debugging and application support processes. /li liExperience with TSO / ISPF is expected. /li liExperience with CICS is a strong asset. /li liExperience with IMS / DL/I is a strong asset. /li liExperience with BMP or transactional Mainframe processing is an asset. /li liExperience with schedulers such as TWS, Control‑M or equivalent is an asset. /li liExperience in production support, incident analysis and ABEND troubleshooting is highly appreciated. /li liExperience in banking, insurance, healthcare, mutualities or other business‑critical legacy environments is a strong asset. /li liAbility to work independently from technical analysis through development, testing and production support. /li liStrong analytical mindset, accuracy and problem‑solving skills. /li liGood communication skills and ability to collaborate with both technical and business teams. /li liFrench or Dutch: professional level required. /li liEnglish: professional level required. /li /ul h3What

We Offer
/h3 h3Comprehensive Compensation Package