Senior SRE - Multi-Cloud Reliability & Automation Lead

Sii Poland; Warszawa; On-site; PLN 210,000 - 270,000; Full time

Benefits offered by this job

Great Place to Work

Centre of internal trainings

Profit sharing

Medical care

Open management team

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, defining reliability standards and mentoring the engineering team.

You will drive automation, performance, and scalability across production stacks while collaborating with product teams to embed reliability and security early in the SDLC. Strong English and Poland residency are required.

Qualifications

• 8+ years of hands-on experience in Software Engineering, DevOps, or Systems Infrastructure
• At least 3 years of advanced expertise with AWS
• Proven experience provisioning and scaling Kubernetes clusters in production
• Strong English and residency in Poland
• Ability to deliver production-ready automated infrastructure without daily supervision

Responsibilities

• Architect and drive reliability, scalability, and performance of the multi-cloud provisioning platform
• Implement end-to-end automation pipelines to reduce manual toil
• Define, monitor, and improve SLIs/SLOs for data-driven decisions
• Collaborate with product and cross-functional teams on reliability and security in SDLC
• Design robust incident detection, lead RCA, and implement long-term fixes
• Audit platform operations to remove bottlenecks and single points of failure

Skills

Advanced English

Technical communication

Autonomy in architecture decisions

Tools

AWS

Kubernetes

Azure

Python

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, defining reliability standards and mentoring the engineering team.

You will drive automation, performance, and scalability across production stacks while collaborating with product teams to embed reliability and security early in the SDLC. Strong English and Poland residency are required.