Available to hire
I am a DevOps engineer with 20+ years in IT and 7+ years hands-on with Kubernetes operations, infrastructure as code, and cloud automation for large distributed teams. I design, deploy, and maintain Kubernetes environments at scale, automate deployment pipelines, and keep cloud infrastructure reliable and secure.
Based in Ireland, I’m available for remote collaboration and enjoy partnering with distributed teams to solve complex reliability, scalability, and security challenges while continuously improving developer productivity and operational excellence.
Skills
Work Experience
Senior DevOps Engineer / Technical Lead (Platform & SRE) at Ericsson
January 1, 2024 - PresentOwn platform reliability for Kubernetes-based CI/CD infrastructure serving 200+ engineers across distributed teams. Manage Kubernetes-based infrastructure supporting 3,000+ CI/CD pipelines with reliability and performance improvements. Architect migration from static VM agents to ephemeral Kubernetes workers for elastic scaling and resource utilization. Automate infrastructure provisioning with Terraform with Git-based workflows across AWS and OpenStack. Build and maintain Prometheus/Grafana observability stack with dashboards, SLO tracking, and alerting. Lead incident response and post-incident reviews; improved security access controls.
DevOps Lead / Scrum Master at Ericsson
January 1, 2023 - January 1, 2024Owned CI/CD platform for 200+ engineers. Kubernetes operations, monitoring, and incident resolution. Migrated CI agents from static VMs to ephemeral Kubernetes/OpenStack workers, improving resource utilization by 40%. Standardised ~3,000 Jenkins jobs with pipeline-as-code and config-as-code. Orchestrated VMware-to-OpenStack migration with golden images, eliminating configuration drift. Automated 12-14 hours of daily manual operational work through Python and Bash tooling. Built monitoring and alerting that reduced incident detection time from hours to minutes.
Technical Consultant at Confidential - Education Sector Client
January 1, 2021 - January 1, 2023Technical consultancy for cloud infrastructure build-out. Designed and built infrastructure on AWS (EC2, VPC, S3, IAM) and on-prem Linux systems.
Site Reliability Engineer at Ericsson
June 1, 2019 - January 1, 2021Built greenfield SRE team (10+ engineers) to stabilize infrastructure for 50+ teams. Defined SLOs/SLAs with monitoring and alerting from scratch. Resolved 48-hour global outage; implemented automated health-check preflight scripts. Created runbooks and operational documentation adopted across 50+ teams.
Software Integration / Automation Engineer at Ericsson
June 1, 2014 - June 1, 2019Managed migration of 1,500+ CI jobs and 500+ Git repositories with zero downtime. Built core CI/CD framework (Gerrit, Maven, Jenkins); Python/Bash automation tools.
Junior Software Engineer at Ericsson
June 1, 2012 - June 1, 2014Maintained CI infrastructure and automated build/release processes for 100+ teams.
Education
MSc, Applied Software Technology at TU Dublin
January 11, 2030 - April 26, 2026BSc (First-Class Hons), ICT at Dublin City University
January 11, 2030 - April 26, 2026Qualifications
Industry Experience
Software & Internet, Telecommunications, Education, Professional Services
Skills
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