portfolio.

Senior Software Development Engineer at Workday on the private cloud platform team — designing and operating one of the largest OpenStack deployments in production, and currently building Workday's next-generation Kubernetes platform. 12 years across Linux systems, OpenStack, and cloud-native infrastructure. Started at Red Hat in kernel & storage support, moved into OpenStack enterprise support specialising in NFV and SDN for telco customers, then joined Workday across SRE and platform engineering roles. Red Hat Certified Architect · CKA. Speaker at OpenInfra Summit Paris, OpenInfra Days Indianapolis, and DevConf. Currently pursuing an Executive MBA at TU Dublin.

experience

1. Aug 2023 — Present · Dublin
   Workday — Senior Software Development Engineer
   • Private cloud platform team — designing and operating one of the largest OpenStack deployments in production.
   • Building Workday's next-generation Kubernetes platform.
   • Lead large-scale service migrations; own CI/CD for the private cloud fleet.
2. May 2022 — Aug 2023
   Workday — Senior Site Reliability Engineer
   • Contributed to Workday's next-generation public cloud.
   • Built a Django tool to visualise the private cloud footprint.
   • Drove automation across Zuul, Jenkins, Ansible, and Chef.
3. Nov 2020 — May 2022
   Workday — DevOps / Site Reliability Engineer
   • Deployed and maintained enterprise OpenStack-based private cloud.
   • Worked on Contrail SDN, alerting, monitoring, and day-2 automation.
4. Sep 2017 — Nov 2020
   Red Hat — Senior Technical Support Engineer (OpenStack)
   • OpenStack enterprise support, specialising in NFV and SDN for telco customers.
   • Deep work on Cinder, Nova, DPDK, and SR-IOV.
   • Reviewed deployment templates; mentored new hires.
5. May 2014 — Sep 2017
   Red Hat — Technical Support Engineer (Kernel & Storage)
   • Started his career here as a kernel and storage support engineer.
   • Root-cause analysis of kernel crashes, hangs, and storage issues — vmcore, perf, SAR.
   • Performance tuning of RHEL kernel and applications; knowledge-base contributions.

certifications

talks

• Oct 2025 Building a Kubernetes Distribution for Workday using Zuul · ▶ watch OpenInfra Summit Europe · Paris
• Mar 2025 Building a Zuul instance on Kubernetes with zuul-operator · ▶ watch OpenInfra Days · Indianapolis

stack