Senior Site Reliability Engineer (f/m/x)
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on a multi-cloud automated provisioning platform. Key technologies include AWS, Kubernetes with optional Python and Microsoft Azure. Responsibilities cover designing reliability, automating processes, monitoring SLIs/SLOs, and incident analysis and scalability improvements. Autonomy in architectural decisions and at least 8 years of experience in software engineering, DevOps or systems infrastructure are required.

new

Senior Site Reliability Engineer (f/m/x)

Company: Sii Sp. z o.o.

from: 21 August 2026
to: 20 September 2026
salary not specifiedB2B contract (full-time)
Offer parameters
level:senior
working mode:remote • hybrid • full office
Białystok, Centrum
Białystok, CentrumJózefa Marjańskiego 3View on map

Requirements

Expected technologies

AWS
Kubernetes
DevOps
RCA (Root Cause Analysis)

Optional technologies

Microsoft Azure
Python

Our requirements

  • Minimum 8 years of hands-on experience in Software Engineering, DevOps, or Systems Infrastructure
  • At least 3 years of advanced expertise with AWS, including architecting and troubleshooting cloud environments
  • Proven experience managing, scaling, and provisioning Kubernetes clusters in production
  • Demonstrated autonomy in making architectural decisions and delivering production-ready, automated infrastructure without daily supervision
  • Strong technical communication skills with the ability to align with Technical Leads and collaborate across engineering teams
  • Advanced level of English and residency in Poland

Optional

  • Experience with Microsoft Azure
  • Proficiency in Python

Your responsibilities

  • Architect and drive the 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 critical system health indicators (SLIs/SLOs) to make data-driven architectural recommendations
  • Collaborate with product and cross-functional engineering teams to embed reliability and security considerations early in the software development lifecycle (SDLC)
  • Design robust incident detection mechanisms, triage critical incidents, and lead deep Root Cause Analysis (RCA) to implement long-term preventative engineering solutions
  • Audit platform operations to identify bottlenecks, eliminate single points of failure, and reduce structural complexity

About the project

We are looking for an experienced Senior Site Reliability Engineer to join our team and design, build, and operate a product-driven, highly automated multi-cloud provisioning platform. In this role, you will act as a core technical authority, driving automation and defining reliability standards while mentoring the engineering team. If you are passionate about engineering excellence and system reliability, this opportunity may be the right fit for you.

This is how we work on a project

  • Continuous Deployment
  • Continuous Integration
Company

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

  • 1.
    Send your CV
  • 2.
    Talk to us about your expectations
  • 3.
    Learn more about our projects and choose the best
  • 4.
    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 7 300 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.
Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

This is how we work

Senior Site Reliability Engineer (f/m/x)
I apply to:
Sii Sp. z o.o.
Białystok, Centrum
Pracodawca zbiera zgłoszenia przez swój system.
Przejdziesz na zewnętrzny formularz.

By clicking "Aplikuj" you confirm that you've read and accepted our Terms and Conditions.


This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Need more information?

  • Make sure the body of the offer doesn’t already include what you’re looking for.
  • Ask a question if you need more information you’re interested in.
  • We’ll forward your question to the employer and aim to provide a response within 3 business days.

Share this offer