Principal OpenShift GitOps & Virtualisation Architect

Test Triangle Limited; Dublin; Hybrid; EUR 120,000 - 180,000; Full time

Job summary

Test Triangle Limited in Dublin 18 is seeking a Principal OpenShift GitOps & Virtualisation Architect to own the platform lifecycle and governance across OpenShift estates. This hands-on role requires shaping deployment, upgrade and operation at scale using ACM, Argo CD and GitOps, with strong leadership across delivery teams.

You will review and mature existing GitOps implementations, define target-state operating models for container and VM workloads, and drive VMware-to-OpenShift migration

Qualifications

• 10+ years in platform engineering or infrastructure architecture.
• 5+ years hands-on OpenShift experience.
• Expert-level Red Hat ACM and OpenShift GitOps/Argo CD experience.
• Strong experience designing and operating multi-cluster OpenShift environments.
• Experience reviewing, rationalising and maturing GitOps implementations in large enterprise environments.
• Strong hands-on experience with OpenShift Virtualisation and KubeVirt.
• Experience defining VMware-to-OpenShift Virtualisation migration strategies and operating models.
• Experience assessing application estates for containerisation and defining modernisation pathways.
• Strong understanding of GitOps governance, Policy-as-Code and platform lifecycle management.
• Experience designing disaster recovery and recovery orchestration models for OpenShift platforms.
• Ability to produce High-Level Designs (HLDs), Low-Level Designs (LLDs), standards and reference architectures.
• Strong stakeholder management and technical leadership skills.

Responsibilities

• Own automation, governance and platform lifecycle architecture for the OpenShift estate.
• Define deployment, upgrade and operation at scale using ACM, OpenShift GitOps and Argo CD.
• Review and mature existing GitOps implementation; define future-state operating model.
• Shape VMware-to-OpenShift Virtualisation migration patterns and application modernisation strategies.
• Provide technical leadership across GitOps, OpenShift Virtualisation, multi-cluster governance and platform automation.

Skills

OpenShift experience

GitOps

Argo CD

Red Hat ACM

Platform engineering

Multi-cluster governance

VMware to OpenShift migration

Disaster recovery planning

HLD/LLD design

Leadership

Tools

Argo CD

OpenShift Virtualisation

KubeVirt

Red Hat ACM

GitOps tooling

Job description

Job Information

Work Experience 10+ Years

IT Services

City Dublin 18

State/Province Dublin

D18

Job Description

Job Description – Principal OpenShift GitOps & Virtualisation Architect

Location: Dublin 18 (2 days onsite per week)

Duration: Until the end of the year, likely to be extended

Summary of this role: This resource will own the automation, governance and platform lifecycle architecture for the OpenShift estate. They will be responsible for defining how OpenShift Container Platform and OpenShift Virtualisation environments are deployed, governed, upgraded and operated at scale using Red Hat Advanced Cluster Management (ACM), OpenShift GitOps and Argo CD.

A key responsibility will be reviewing and maturing an existing GitOps implementation, assessing current approaches and helping define the future-state operating model for both container and virtual machine platforms. The role will also help shape VMware-to-OpenShift Virtualisation migration patterns and application modernisation strategies, including the containerisation of suitable workloads.

This is a hands‑on architecture role. The successful candidate must be capable of defining standards, producing architecture deliverables, guiding implementation teams and providing technical leadership across GitOps, OpenShift Virtualisation, multi‑cluster governance and platform automation.

Skillset and background:

• 10+ years of platform engineering, automation or infrastructure architecture experience
• 5+ years of hands‑on OpenShift experience
• Expert-level experience with Red Hat Advanced Cluster Management (ACM)
• Expert-level experience with Argo CD and OpenShift GitOps
• Strong experience designing and operating multi‑cluster OpenShift environments
• Experience reviewing, rationalising and maturing GitOps implementations in large enterprise environments
• Strong hands‑on experience with OpenShift Virtualisation and KubeVirt
• Experience designing and operating OpenShift Virtualisation platforms for enterprise VM workloads
• Experience defining VMware-to-OpenShift Virtualisation migration strategies and operating models
• Experience assessing application estates for containerisation and defining modernisation pathways
• Strong understanding of GitOps governance, Policy-as-Code and platform lifecycle management
• Experience designing disaster recovery and recovery orchestration models for OpenShift platforms
• Ability to produce High‑Level Designs (HLDs), Low‑Level Designs (LLDs), standards and reference architectures
• Strong stakeholder management and technical leadership skills
• Red Hat OpenShift, ACM, GitOps or OpenShift Virtualisation certifications would be advantageous
• Review the existing GitOps, ACM and platform automation implementation and provide recommendations for improvement
• Define the target-state OpenShift GitOps and platform operating model
• Mature ACM, Argo CD and OpenShift GitOps capabilities and operating practices
• Define OpenShift Virtualisation standards, governance and VM lifecycle management patterns
• Establish VMware migration and application modernisation onboarding patterns
• Define platform governance, disaster recovery and operational resilience standards
• Produce the required HLDs, LLDs, standards and reference architectures
• Provide technical leadership and mentoring to platform engineering and delivery teams