Senior Infrastructure Modernisation Engineer

GCS Recruitment; Ireland; On-site; EUR 85,000 - 120,000; Full time

Job summary

GCS Recruitment is seeking a Senior Infrastructure Engineer to modernise and transform core enterprise services, combining traditional infrastructure with cloud-native platforms. The role focuses on building scalable, automated cloud infrastructure and advancing migration initiatives across large technology environments.

The ideal candidate will bring strong Linux administration, multi-cloud experience, IaC expertise, and a track record of delivering highly available production systems, with

Qualifications

• Strong Linux systems administration and engineering experience.
• Public cloud experience in AWS, Azure, or GCP.
• Infrastructure-as-Code with Terraform knowledge.
• Container technologies including Docker and Kubernetes.
• Automation and scripting using Python, Go, or similar languages.
• CI/CD pipeline implementation and management experience.
• Understanding of networking and enterprise infrastructure services.
• Experience supporting highly available production environments.

Responsibilities

• Modernise critical infrastructure services and support migration programmes.
• Design, build and maintain highly available cloud-hosted platforms.
• Support containerisation initiatives across internal services and tooling.
• Implement Infrastructure-as-Code and automation best practices.
• Develop operational tooling and deployment workflows.
• Improve platform resilience, observability and operational readiness.
• Collaborate with engineering teams to evolve infrastructure toward scalable cloud-native architectures.
• Provide technical leadership across infrastructure transformation projects.

Skills

Linux systems

Public cloud platforms

Terraform / IaC

Docker / Kubernetes

Automation scripting

CI/CD pipelines

Networking fundamentals

Production readiness

Tools

Terraform

Docker

Kubernetes

Job description

Senior Infrastructure Engineer (Cloud & Core Services)

Linux | Cloud Infrastructure | Automation | Critical Services

11 Months PAYE Contract with strong possibility of conversion in Permanent.

An opportunity for an experienced Infrastructure Engineer to help modernise and transform foundational enterprise services that underpin large-scale technology environments.

This role combines deep infrastructure engineering with modern cloud technologies, making it ideal for candidates who understand both traditional infrastructure and cloud-native platforms.

Key Responsibilities

• Modernise critical infrastructure services and support migration programmes
• Design, build and maintain highly available cloud-hosted platforms
• Support containerisation initiatives across internal services and tooling
• Implement Infrastructure-as-Code and automation best practices
• Develop operational tooling and deployment workflows
• Improve platform resilience, observability and operational readiness
• Collaborate with engineering teams to evolve infrastructure toward scalable cloud-native architectures
• Provide technical leadership across infrastructure transformation projects

Skills & Experience

Essential

• Strong Linux systems administration and engineering experience
• Public cloud experience within AWS, Azure or GCP
• Terraform and Infrastructure-as-Code expertise
• Container technologies including Docker and Kubernetes
• Automation and scripting using Python, Go or similar languages
• CI/CD pipeline implementation and management experience
• Understanding of networking and enterprise infrastructure services
• Experience supporting highly available production environments

Preferred

• Experience migrating workloads from virtualised environments into public cloud
• Knowledge of service networking, DNS, identity or authentication platforms
• Exposure to Platform Engineering principles
• Experience within large-scale enterprise or technology environments
• Crossplane or Kubernetes platform engineering experience

Ideal Background

We're interested in candidates from backgrounds such as:

• Infrastructure Engineering
• Cloud Engineering
• Platform Engineering
• Site Reliability Engineering (SRE)
• DevOps Engineering
• Linux Systems Engineering

What Success Looks Like

You'll help deliver modern, automated and scalable infrastructure platforms that improve reliability, accelerate delivery and support long-term cloud adoption strategies.

GCS is acting as an Employment Business in relation to this vacancy.