2 of 2 Performance Tuning Jobs in Edinburgh

AI Systems Research Engineer

Hiring Organisation
Project People
Location
Edinburgh, Scotland, United Kingdom
system designs into deployable, real-world technologies. We are seeking Systems Research Engineers with a deep passion for computer systems, distributed AI infrastructure, and performance optimization. These roles are ideal for recent PhD graduates or exceptional BSc/MSc engineers looking to build research-driven experience in Operating Systems … emerging AI and data-centric workloads. Drive modular design and scalability across GPU, and NPU clusters, building highly efficient serving and scheduling systems. Performance Optimization & Profiling : Conduct in-depth profiling and performance tuning of large-scale inference and data pipelines, focusing on KV cache management, heterogeneous memory ...

Mainframe Engineer - z/OS CICS

Hiring Organisation
Lorien
Location
Edinburgh, Midlothian, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
setup and configuration (regions, JVM Servers) Understanding of z/OS components used by CICS Liberty (USS, RACF, TCP/IP, SMF) Capacity planning, performance tuning, and availability (HA/DR) Problem determination using dumps, traces, SMF data, and logs WebSphere Liberty configuration (server.XML, features, shared libraries … tuning for z/OS (heap sizing, GC behaviour) Managing Java workload inside CICS (JVM Servers life cycle, diagnostics) Patching and maintaining Liberty and Java SDK levels RACF and TLS configuration (certificates, keyrings, SAF integration) REST/HTTP exposure and API enablement CI/CD awareness (bundles, pipelines, automated ...