Lead Principal Software Engineer: Modernize Mainframes to Cloud

Rocket Software, Inc. • newbury, england, United-Kingdom • Posted June 06, 2026

Location newbury, england
Job Type Full-time
Category IT & Technology
Posted June 06, 2026

Rocket Software, Inc. is seeking a Principal Software Engineer to lead the modernisation of our COBOL development ecosystem and Enterprise Server application replatforming products. This hands-on role involves designing and evolving mission-critical infrastructure for global enterprises.

The ideal candidate will have 10+ years of software engineering experience, strong technical leadership, and deep expertise in systems development. You will work with various engineering teams to drive modernization and ensure high-quality, secure software solutions.

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