Overview

WELCOME TO SITA

At SITA, we keep airports moving, airlines flying smoothly, and borders open. Our technology and communication innovations power the success of the global air travel industry.

You'll find us in 95% of international airports, working closely with over 2,500 transportation and government clients. Each partnership brings unique challenges, and we thrive on delivering fresh solutions and cutting-edge tech to keep operations running like clockwork. We don't just move the world forward-we're proud to be recognized as a Great Place to Work® by 79% of our employees and certified in most of our growing locations. Here, we feel empowered, supported, and inspired to grow.

Are you ready to love your job?

The adventure begins right here, with you, at SITA.

PURPOSE

We are seeking a Senior Infrastructure Engineer to join our Platform Operations team in Barcelona. This role is focused on operating and optimizing critical production infrastructure within a measurable, performance-driven operations environment. The successful candidate will demonstrate strong ownership, urgency in incident response, and a continuous improvement mindset, with exposure to automation and emerging AI-driven operational capabilities.

KEY RESPONSIBILITIES

- Operate and manage integral production infrastructure ensuring high availability, reliability, and performance of customer-facing services.
- Take end-to-end ownership of incidents, ensuring rapid resolution and clear communication with stakeholders.
- Work within a measurable operations framework, proactively improving SLA adherence, MTTR, and operational KPIs.
- Troubleshoot complex cross-platform infrastructure issues across compute, storage,



virtualization, containers, and cloud environments.
- Drive operational excellence by continuously improving monitoring, alerting, and observability practices.
- Identify, develop, and implement automation opportunities to reduce manual effort and improve consistency (Infrastructure as Code, scripting, tooling).
- Contribute to the adoption of AI-assisted operations (AIOps), predictive alerting, and intelligent automation where applicable.
- Collaborate with DevOps, Engineering, and Security teams to ensure platforms meet non-functional requirements (availability, performance, scalability, and security).
- Ensure compliance with governance and security standards including ISO 27001-related controls.
- Maintain accurate documentation and runbooks to support operational readiness and knowledge sharing.
- Participate in a 24x7 on-call rotation, demonstrating accountability and urgency during escalations.

Qualifications

OPERATIONAL CHARACTERISTICS

- Strong ownership mindset with accountability for service outcomes, not just tasks.
- Ability to operate effectively in a high-pressure, always-on production environment.
- Data-driven approach to operations, using metrics and KPIs to guide decisions and improvements.
- Continuous improvement mindset focused on automation, simplification,



and standardization.
- Proactive identification of risk and preventative action to avoid incidents.
- Clear communicator during incidents and when coordinating across teams.

ABOUT YOUR SKILLS

- 3 to 5 years of hands-on experiencein infrastructure/platform operations roles.
- Strong experience in implementing, monitoring, and maintaining on-premise enterprise infrastructure.
- Proven experience working in measurable operations environments (SLAs, KPIs, incident management).
- Experience with cloud platforms (Azure, AWS, or GCP).
- Strong troubleshooting skills across Linux/Windows systems, virtualization, containers (Docker/Kubernetes).
- Experience with Infrastructure as Code and automation tools (Terraform, Ansible, etc.).
- Scripting or programming experience (Python, Bash, or similar).
- Exposure to AI/automation tooling in operations (monitoring intelligence, predictive analytics, or similar).
- Understanding of networking fundamentals (TCP/IP, DNS, load balancing).
- Experience working within ITIL or SRE-based operational models.

EDUCATION & QUALIFICATIONS

- Degree in Computer Science, Engineering, or related field (or equivalent experience).
- Relevant certifications (cloud, infrastructure, or automation) are a plus.

WHAT WE OFFER

We're all about diversity. We operate in 200 countries and speak 60 different languages and cultures. We're really proud of our inclusive environment. Our offices are comfortable and fun places to work, and we make sure you get to work from home too. Find out what it's like to join our team and take a step closer to your best life ever.

📌 Senior Infrastructure Engineer - Barcelona, Cataluña, Spain
🏢 SITA Switzerland
📍 Barcelona