Senior DevOps Engineer – Large-Scale InfrastructureSii Sp. z o.o. • Szczecin, zachodniopomorskie, Polska

Senior DevOps Engineer – Large-Scale Infrastructure

Sii Sp. z o.o. • Szczecin, zachodniopomorskie, Polska

30+ days ago

Job description

Miejsce pracy : Szczecin

Technologies we use

Expected

AWS
Kubernetes
Argo CD
IaC
Security & Compliance Tooling

Optional

Helm

Prometheus

Grafana

Ansible

About the project

We are seeking a senior DevOps professional who excels in large-scale environments, embraces automation, and understands how to maintain the reliability and security of critical systems. If building resilient, cloud-native infrastructure in AWS and Kubernetes sparks your interest, this is your chance to make a meaningful impact.

You’ll join a project for a global leader in cloud communications – a company recognised worldwide for its APIs powering voice, video, and messaging. Together, we design, automate, and secure platforms spanning dozens of Kubernetes clusters and hundreds of thousands of servers.

Join Sii and help shape the backbone of a platform trusted worldwide!

Your responsibilities

Operate and optimise large-scale Kubernetes clusters and AWS infrastructure

Automate patching, vulnerability remediation, and deployments using Argo CD and related tools

Build and maintain golden images, lifecycle policies, and data retention strategies

Ensure security and compliance through encryption, backup management, and governance policies

Collaborate with engineering and operations teams to keep platforms highly available, scalable, and resilient

Our requirements

At least 5 years of experience in a senior DevOps, SRE, or infrastructure engineering role

Proven track record in managing large-scale production environments (tens of Kubernetes clusters, hundreds of thousands of servers)

Strong expertise in AWS infrastructure, including automation, patching at scale, and building resilient systems

Hands-on experience in creating and managing infrastructure components such as golden images, lifecycle policies, backups, volume encryption, backup encryption, and data retention policies, along with Kubernetes and GitOps practices (e.g., Argo CD)

Proficient English communication skills (B2 / C1) for collaboration in an international environment

Residing in Poland required

What we offer

Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas

Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market

We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022

Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more

Comfortable workplace – class A offices or remote work

Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application

PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers

Investment in your growth – meetups, webinars, training platform and technology blog – you choose

Fantastic atmosphere created by all Sii Power People

Recruitment stages

Send your CV

Talk to us about your expectations

Learn more about our projects and choose the best

Start your adventure with Sii!

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 500 professionals and implement projects in a variety of industries for clients from many countries around the world.

The Great Place to Work title, won 10 times in a row, proves that at Sii we create a friendly work environment.

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Infrastructure Engineer • Szczecin, zachodniopomorskie, Polska

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