Platform Engineering Lead — On‑Site, 4 Days/Week

MCS Group Consultancy; Ireland; On-site; EUR 85,000 - 90,000; Full time

Job summary

MCS Group Consultancy is seeking a Platform Engineer Lead in Dublin to own and evolve the AWS platform. The role sits between infrastructure and software engineering and will be highly hands-on with some direct reports as the team grows.

You will design platform capabilities, enhance developer experience, and collaborate with feature teams to enable scalable delivery while maintaining reliability and security.

Qualifications

• Strong hands-on AWS experience in production environments.
• Experience with Terraform and Infrastructure as Code.
• Experience mentoring engineers or leading technical projects.
• Experience designing cloud networking, security and deployment environments.

Responsibilities

• Design and evolve the company's AWS platform.
• Own areas including ECS, VPC networking, IAM, public and private subnets, cloud security and reliability.
• Build and improve infrastructure using Terraform and Infrastructure as Code.
• Standardise environments, deployment processes and shared platform capabilities.
• Improve CI/CD using Azure DevOps and ArgoCD.
• Develop internal tools, platform APIs, reusable libraries and engineering frameworks.
• Improve developer experience across the wider engineering team.
• Strengthen observability using Grafana and Prometheus.
• Support incident response and improve long‑term platform resilience.
• Work closely with .NET engineering teams on shared technical challenges.
• Help the business make pragmatic decisions around architecture and future platform decomposition.
• Mentor and manage the existing DevOps Engineer.
• Help recruit and develop the platform team as the company grows.
• Establish shared engineering standards across infrastructure and application development.

Skills

AWS

Terraform

IaC

Cloud networking

Security

CI/CD

Observability

Developer tooling

Team leadership

Hands-on

C#/.NET

Platform engineering

Tools

Azure DevOps

ArgoCD

Grafana

Prometheus

ECS

Terraform

Job description

MCS Group Consultancy is seeking a Platform Engineer Lead in Dublin to own and evolve the AWS platform. The role sits between infrastructure and software engineering and will be highly hands-on with some direct reports as the team grows.

You will design platform capabilities, enhance developer experience, and collaborate with feature teams to enable scalable delivery while maintaining reliability and security.