Lead Systems Software Engineer

Cloud Software Group

📍 bray, england, United-Kingdom

Full-time IT & Technology Posted June 16, 2026

Job Description

Core Responsibilities



  • Design, implement, test, and maintain the XenServer control plane (XAPI) .


  • Research, develop, and implement performance optimizations across the XenServer software stack.


  • Define, collect, and analyze performance metrics to provide visibility and insights for leadership.


  • Identify bottlenecks and propose architectural or design changes to improve system performance and scalability.


  • Contribute to distributed system orchestration , performance tuning, and robust API design.


  • Collaborate with and contribute to open-source projects , including Xen, the Linux kernel, and XAPI.


  • Lead and coordinate cross-team feature development , ensuring performance and reliability requirements are met.



Key Skills & Qualifica...