Senior DevOps Engineer – Large-Scale InfrastructureSii Sp. z o.o. • Gdańsk, Pomeranian, Poland

Senior DevOps Engineer – Large-Scale Infrastructure

Sii Sp. z o.o. • Gdańsk, Pomeranian, Poland

30+ days ago

Job description

technologies-expected :

AWS
Kubernetes
Argo CD
IaC
Security & Compliance Tooling

technologies-optional :

Helm

Prometheus

Grafana

Ansible

about-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!

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

requirements-expected :

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

offered :

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

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Infrastructure Engineer • Gdańsk, Pomeranian, Poland

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