Principal Platform Engineer - Lead, Mentor & Grow Platforms

Polar Squad; Helsinki; On-site; EUR 120,000 - 150,000; Full time

Job summary

Polar Squad is the platform engineering consultancy your teams and technology deserve. We build developer, infrastructure, cloud and AI environments that keep delivering, and we fix the foundation so software teams can focus on what matters. We're a small, elite team where people always come first.

This is a hands-on senior role. About half your time you’ll be billable, solving hard problems side by side with the team, and the rest you’ll grow Polar Squad and its people—mentoring, coaching, and

Qualifications

• 10+ years in platform, cloud or infrastructure engineering.
• Hands-on expertise across public cloud (AWS, Azure, GCP), IaC, containers and Kubernetes, CI/CD, and observability.
• Ability to design scalable, resilient architectures aligned with business objectives.
• Credibility with client leadership; able to carry a room and write code.
• Track record of mentoring and coaching, lifting the team around you.
• Comfort being visible externally through writing, communities or speaking.
• Ability to steer technical direction and spread learning across an organization.

Responsibilities

• Be a loud external voice, building thought leadership through writing, communities, or speaking at events.
• Grow client accounts by spotting needs and expanding engagements into long-term partnerships.
• Contribute to Polar Squad's services, from cloud and developer platforms to AI platforms and managed services.
• Steer what the team learns and ensure new skills spread across the organization.
• Shape our technological direction as AI reshapes the field.
• Coach and mentor the squad, helping consultants grow and perform at their best.

Skills

Platform engineering

Public cloud

Kubernetes

Terraform

Pulumi

CDK/Bicep

CI/CD

Observability

Mentoring

Stakeholder mgmt

Tools

Terraform

Pulumi

CDK

Bicep

Kubernetes

CI/CD tooling

Job description

Polar Squad is the platform engineering consultancy your teams and technology deserve. We build developer, infrastructure, cloud and AI environments that keep delivering, and we fix the foundation so software teams can focus on what matters. We're a small, elite team where people always come first.

This is a hands-on senior role. About half your time you’ll be billable, solving hard problems side by side with the team, and the rest you’ll grow Polar Squad and its people—mentoring, coaching, and