Senior DevOps Engineer for Cloud-Native Infrastructure

Sii Poland Poland
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AI Summary

Join Sii Poland as a Senior DevOps Engineer to design, automate, and secure platforms in AWS and Kubernetes. You'll work on large-scale environments and collaborate with global teams. This is a chance to make a meaningful impact in cloud communications.

Key Highlights
Operate and optimize 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
Technical Skills Required
AWS Kubernetes Argo CD GitOps Cloud-Native Infrastructure DevOps SRE Infrastructure Engineering
Benefits & Perks
Great Place to Work
Solid financial situation
Contracts with big brands
Internal trainings
Open and accessible management team
Profit sharing
Passion Sponsorship program
Regular integration events and trips
Comfortable and well-equipped offices
Medical care

Job Description


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 tasks

  • 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

  • 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

Job no. 251106-0OI4G

Benefits For You

Great Place to Work

Solid financial situation

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Profit sharing

Passion Sponsorship program

Regular integration events and trips

Comfortable and well-equipped offices

MySii app

Medical care

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