Legacy Modernisation Specialist
Qualification: Must be educated to at least degree level or equivalent.
We are looking for a hands-on Legacy modernisation specialist with strong experience in both legacy mainframe systems and modern data platforms. This role is ideal for someone who enjoys working on data modernisation initiatives; helping organisations move from traditional systems to scalable, cloud-based data solutions.
You will work closely with cross-functional teams to design, build, and validate data pipelines, support migration efforts, and ensure data integrity across systems. The role also involves active stakeholder interaction and ownership of end-to-end deliverables.
Duties and Responsibilities:
- Contribute to modernisation initiatives by migrating legacy data systems to modern platforms such as PySpark and cloud-based architecture.
- Design, develop, and optimise data pipelines using PySpark, SQL, and BigQuery
- Perform data migration activities including data validation, reconciliation, and gap analysis
- Ensure high data quality through rigorous validation and issue resolution processes
- Work closely with onshore and offshore teams to drive project delivery and ensure alignment
- Participate in client discussions, validation reviews, and requirement clarifications
- Support production activities including troubleshooting, monitoring, and resolving issues within SLA
- Analyse and troubleshoot batch job failures and system issues in mainframe environments
- Contribute to automation initiatives to reduce manual efforts and improve efficiency
- Provide data analysis and reporting support for business stakeholders
Technical Skills Required
- 7+ years’ experience in Mainframe and Modern data technologies.
- Strong experience in PySpark, SQL, and BigQuery
- Experience working on data pipeline development and ETL processes
- Hands-on experience with Mainframe technologies (COBOL, JCL, CICS)
- Knowledge of Hive and large-scale data processing frameworks
- Experience with data migration and system modernisation projects
- Strategic thinker with the ability to develop and execute innovative solutions.
- Strong understanding of technological trends and market developments.
- Excellent communication and interpersonal skills, with the ability to build rapport and trust with clients.
- Ability to work collaboratively with cross-functional teams.