Site Reliability Engineering III

sabre; Kraków; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Paid time off

Year-End Break

Paid parental leave

Volunteer time

Job summary

Sabre Kraków is seeking a Customer Identity & Access Solutions SRE to engineer high-availability, real-time authentication and session persistence for global travel networks. You will bridge legacy logic with cloud-native architecture on GCP, collaborate across teams, and contribute to major cloud modernization initiatives.

The role emphasizes automation, monitoring excellence, and a balanced engineering culture with a focus on quality, learning, and work-life balance.

Qualifications

• Bachelor's degree or equivalent
• Minimum 5 years related experience
• On-call rotation including weekends

Responsibilities

• Focus on implementing monitoring best practices on GCP.
• Identify opportunities for improvement and reduce toil (automation).
• Improve health rules & alerts to enhance stability of systems.
• Handle release activities from development to production.
• Determine tools to support system health and performance monitoring in Google Cloud.
• Collaborate with Development, System Owners and Incident Management teams.
• Review and manage application Change Records (CRs).
• Assist with release and deployment of CRs across platforms from integration to production.
• Contribute to sprint planning and iterations.

Skills

Linux

Bash

Python

Google Cloud Platform

GCE

Terraform

Ansible

Kubernetes

On-call rotation

Communication

Education

Bachelor's degree or equivalent

5+ years related experience

Tools

GCP

Grafana

JIRA/Service Now

Job description

Powering the agentic revolution in travel. Sabre is an AI-native technology leader, backed by one of the world's largest travel data clouds. Built on an open, modular, cloud-native architecture, Sabre serves as the backbone for both established leaders and bold, new disruptors, guiding them to the next age of travel retailing through intelligent, connected, and personalized experiences. With AI at its core and operating at unparalleled scale, Sabre transforms insights into innovation, empowering airlines, hoteliers, agencies and other partners to retail, distribute and fulfill travel worldwide.

Location: Kraków (hybrid work - 3 days per week in the office)

Join the Customer Identity & Access Solutions (CIAS) team and work at the very heart of Sabre, engineering high-availability systems that power real-time authentication, authorization, and session persistence for over 90% of active user sessions across the global travel network. In this role, you will tackle unique distributed systems challenges by bridging legacy logic with modern, cloud-native architectures using GCP (GKE, GCE, Cloud Spanner, Pub/Sub) , enterprise directory services and industry-standard protocols ( SCIM 2.0, OAuth 2.0/OIDC, ABAC ). We actively invest in your career development, a structured SRE knowledge-transfer series, and direct architectural influence on major enterprise cloud-modernization initiatives. You will thrive in a collaborative Agile Scrum environment built on transparency, continuous quality improvement, and a "leave it better than you found it" engineering ethos. Our team culture prioritizes work-life balance and community impact. With clear functional domain ownership-spanning (core authentication, web gateways, identity lifecycle, analytics, session management, cross-domain stores, viewership evaluation, and identity governance)-you will gain deep domain expertise while helping drive the future of enterprise security at scale.

What you'll do:

• Focus on implementing best practices for monitoring on GCP.
• Identify & work on opportunities for improvement and continuously look for toil reduction (automation)
• Improve health rules & alerts to make system more stable.
• Performs activities related to the software release process from development to production.
• Determines tools needed to support system health, monitor system performance, develop and maintain performance monitoring and error tracking operational tools in Google Cloud.
• Work closely with multiple internal groups, which include Development, System Owners, Incident Management
• Responsible for creation and/or review of application Change Records (CR's)
• Responsible for release and deployment of application CR's across multiple platforms from integration through production
• Shared responsibility in sprint planning and iterations

What you'll bring:

Required Skills

• Linux / Unix experience
• Scripting Abilities - Bash or Python.
• Hands on experience in Google Cloud Platform (2-3 years). Strong in Google Compute Engine (GCE) GCP certification is desirable but not mandatory.
• Production Application Support. Take On-call rotation as per the team roster including weekends.
• Experience with building resources in cloud using IaC tools (Terraform or Ansible).
• Ability to handle multiple projects simultaneously.
• Good Analytical capabilities & troubleshooting skills.
• Good written and verbal communication skills
• Change Management Experience.

Desired Skills

• General experience with distributed architecture and/or High Availability Systems.
• Thorough understanding of container orchestration platform (Kubernetes). Google Kubernetes Engine (GKE) is preferred.
• Experience working with globally distributed teams.
• Ability to handle multiple projects simultaneously.
• Experience working on monitor tools like GCP Ops and Grafana and define health check dashboard.
• ITSM/ITIL Experience
• Preferred Knowledge of Rally, JIRA and/or Service Now
• Familiar with CMDB repositories

Education

• Bachelor's degree or equivalent
• Minimum 5 years related experience

Benefits

• Paid time off
• Year-End-Break: enjoy additional fully paid days off during the last week of the year
• Paid parental leave: Take up to 12 weeks off with pay after birth or adoption of a child. Sabre Global Paid Parental Leave runs concurrently with local leave policies.
• Paid volunteer time: take up to 4 days annually to give your time to a charitable organization of your choice

Your money

• My Benefit platform/Multisport card: enjoy the benefit cafeteria system and use popular sport card
• Tax deduction: take the opportunity to claim deductible costs, reducing your income tax
• Employee Capital Plans: profit from long-term saving scheme co-financed by Sabre and the State Treasury
• Baby Bonus: benefit from one-time allowance on childbirth or adoption
• Say Thanks program: collect points on recognition program and transfer them to wide variety of gifts and services

Health and wellness

• Luxmed extensive medical coverage: take care of yourself and you