Senior DevOps Engineer (Ireland based)

Role Type and Location

• Work from home role working & located full time in Ireland 
• Occasional Travel may be required 
• Occasional out of hours also required
  

Eligibility to work

• Regrettably we can’t offer Irish Visa/work sponsorship for this Irish based role 

Note: We are hiring directly and not engaging  recruitment agencies in our search. 

About this Role 

• This is a new role  on our newly created DevOps team 
  
• You will own the reliability, security, and standardisation of Deciphex’s cloud infrastructure, Kubernetes environments, and CI/CD pipelines.
• Working closely with our Principal Engineer, you will drive the DevOps stream that underpins product delivery, SRE maturity, and security posture.
• This is a hands-on senior role with meaningful influence over platform standards and engineering experience.

What you'll help us achieve

Cloud & Platform Engineering

• Maintain and improve AWS environments, including Control Tower and multi-account governance.
• Implement and maintain Terraform modules for standardised infrastructure deployment.
• Support GPU infrastructure across on-prem and cloud environments.
  

Kubernetes & GitOps

• Operate and optimise Kubernetes clusters, ingress, service mesh, logging, and metrics pipelines.
• Maintain and improve GitOps tooling (ArgoCD/Flux).
• Build and maintain Helm templates and infrastructure charts.
• Manage cluster lifecycle and upgrade strategy.

CI/CD & Reliability

• Maintain Linux runners and hardened CI/CD workflows.
• Improve deployment reliability, rollback safety, and release flow.
• Enhance observability through metrics, dashboards, and alerts.

Security-by-Default

• Implement secure identity, access, and secrets patterns in infrastructure and pipelines.
• Partner with Cybersecurity Engineering to embed guardrails and secure defaults.

Awareness & Best Practices

• Promote secure, reliable DevOps practices across engineering teams.
• Maintain shared templates and standards (Helm, GitOps, IaC, pipelines).
• Share practical knowledge through documentation and short internal sessions.

What you'll need to be successful in the role

Required

• 5/6+ years DevOps / Cloud
• AWS environment (mandatory) 
• Deep expertise in Kubernetes, GitOps (ArgoCD or Flux), Helm, Terraform.
• Strong CI/CD experience (GitLab CI, GitHub Actions, or similar).
• Familiarity with Java based deployment 
• Solid understanding of cloud identity, RBAC, and least-privilege models.
• Experience with logging/monitoring stacks (Prometheus, Grafana, Loki, ELK, OpenTelemetry).

Bonus points if you have all the above + any of the following 

• Experience supporting GPU infrastructure.
• SRE experience with on-prem and cloud environments.
• Familiarity with Zero-Trust patterns and secure DevOps principles.
• Experience working in regulated environments (healthcare, pharma, ISO 27001, SOC2).

Success Indicators 

• Platform reliability improves and deployment failures decrease.
• Infrastructure changes are predictable and well understood.
• Engineering teams adopt shared standards with minimal friction.

What This Is Not

• Not an infrastructure ticket-queue role.
• Not a siloed engineering position.
• Not a one-off project role.
  
  

What are the benefits of working with Deciphex?

✨ Meaningful work that improves patie