Site Reliability Engineering III

Sabre Corporation; Kraków; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Luxmed medical package

Foreign travel insurance

Udemy learning platform access

Tuition reimbursement

No dress code

Parking facilities

Referral bonus program

Job summary

Sabre Corporation in Kraków is seeking a Senior Site Reliability Engineer to strengthen real-time authentication systems in a hybrid work setting (3 days in office). You will work on cloud-native architectures using GCP, GKE, and ABAC, delivering reliable, scalable services with strong incident management and agile practices.

The role requires 5+ years in related work, Linux/Unix expertise, Bash or Python scripting, and IaC with Terraform/Ansible.

Qualifications

• Bachelor’s degree or equivalent.
• Minimum 5 years related experience.
• Strong Linux/Unix experience.
• Scripting abilities in Bash or Python.
• Hands-on Google Cloud Platform experience (GCE, GKE).
• Terraform or Ansible for IaC.
• Production application support with on-call rotation.
• Experience with monitoring tools (GCP Ops, Grafana).
• Change management experience.

Responsibilities

• Focus on implementing best practices for monitoring on GCP.
• Identify and work on opportunities for improvement and toil reduction (automation).
• Improve health rules and alerts for system stability.
• Handle release activities from development to production.
• Determine tools to support system health and performance monitoring.
• Collaborate with multiple groups including Development and Incident Management.
• Create/review application Change Records (CRs).
• Release and deploy CRs across platforms from integration to production.
• Participate in sprint planning and iterations.

Skills

Linux/Unix

Scripting Bash/Python

GCP (GKE/GCE)

On-call Production Support

IaC (Terraform/Ansible)

Change Management

Multi-project Delivery

Analytics & Troubleshooting

Communication Skills

Education

Bachelor’s degree or equivalent

Tools

GKE

Grafana

Terraform

Ansible

JIRA

ServiceNow

Rally

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/orHigh 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 additionalfully paid days offduring 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 your family with the extensive medical package with a broad range of additional services
• Foreign travel insurance: feel safe going abroad with free Allianz insurance offered as part of our Lux Med package
• Employee Assistance Program: find help in free, confidential program with a certified counselor
• Life insurance: sign up for free, high coverage life insurance program

Career development

• Professional development: enjoy access to Udemy learning platform as well as join Sabre live learning sessions
• Certification and tuition reimbursement
• Our Communities: join one of our team member groups focused on sharing knowledge and best practices (Google Developers Group, Innovation Lab Community, Women in Technology, SOLVE!T and many more)

And more

• Car and bike parking
• Fun & Relax zone in modern office: enjoy electronic tables to work, foosball, ping pong, pool table, swings, massage chairs and terraces to admire a panoramic view of Kraków. We have parents’ rooms as well
• No dress code
• Innovation Lab: access Augmented Reality & Virtual Reality equipment, Robot construction kit, 3D printers and many more
• Attractive Referral Bonus: earn $2500 USD for every hired referral

We will give careful consideration to your application and review your details against the position criteria. You will receive separate notification as we progress your application.

Please note that only candidates who meet the minimum requirements will proceed in the selection process.

Sabre is an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability status, protected veteran status or any other characteristic protected by law.