Senior SRE: Multi-Cloud Reliability & Automation Lead

Sii Poland; Toruń; On-site; PLN 240,000 - 360,000; Full time

Benefits offered by this job

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

Job summary

Sii Poland is seeking an experienced Senior Site Reliability Engineer to design, build, and operate a highly automated multi-cloud provisioning platform. You will act as a core technical authority, driving automation and reliability standards while mentoring the engineering team.

In this role you will collaborate with product and cross-functional teams, define SLI/SLO targets, implement robust incident response, and optimize platform operations across production stacks with a focus on scale and

Qualifications

• 8+ years in Software Engineering, DevOps, or Systems Infrastructure.
• At least 3 years AWS expertise, including architecture and troubleshooting.
• Proven experience with Kubernetes in production.
• Autonomy in making architectural decisions and delivering automated infra without daily supervision.
• Strong English proficiency and residency in Poland.

Responsibilities

• Architect and drive reliability, scalability, and performance of our multi-cloud provisioning platform across all production stacks.
• Implement end-to-end automation pipelines to eliminate manual intervention and reduce technical toil.
• Define, monitor, and improve SLIs/SLOs to enable data-driven architectural decisions.
• Collaborate with product and cross-functional engineering teams to embed reliability and security early in the SDLC.
• Design robust incident detection mechanisms, triage critical incidents, and lead deep RCA to implement long-term fixes.
• Audit platform operations to identify bottlenecks, eliminate single points of failure, and reduce structural complexity.

Skills

AWS

Kubernetes

Python

English communication

Cloud architecture

Job description

Sii Poland is seeking an experienced Senior Site Reliability Engineer to design, build, and operate a highly automated multi-cloud provisioning platform. You will act as a core technical authority, driving automation and reliability standards while mentoring the engineering team.

In this role you will collaborate with product and cross-functional teams, define SLI/SLO targets, implement robust incident response, and optimize platform operations across production stacks with a focus on scale and