Senior Specialist Service Operations – Application Support (Elastic, Kibana, Kubernetes, Ansible)

SITA Switzerland Sarl • Lebanon, PA

8d

About The Position

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® 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
The Application Support Specialist is responsible for ensuring the availability, performance, and stability of critical applications. The role involves troubleshooting incidents, supporting deployments, and collaborating with development and infrastructure teams in a fast-paced environment

Requirements

• Proven experience in L2 application support within a production or mission-critical environment, handling incidents, service requests, and problem tickets in line with defined SLAs.
• Hands-on working knowledge of containerized applications using Docker and Kubernetes, including basic troubleshooting of pods, services, deployments, and resource issues.
• Experience using Elastic/Kibana for log analysis, monitoring, and fault isolation to support incident resolution and root cause identification.
• Working experience with Ansible for executing playbooks, routine operational tasks, and environment configuration under established procedures.
• Bachelor’s degree or diploma in Information Technology, Computer Science, or a related field (or equivalent practical experience).
• 5-10 years of experience in application or systems support within a production environment, preferably in an L2 support role.
• ITIL Foundation certification or strong working knowledge of ITIL processes.
• Demonstrated ability to follow operational procedures, troubleshoot under pressure, and escalate effectively to L3 teams when required.

Nice To Haves

• Exposure to ForgeRock or similar Identity and Access Management (IAM) platforms, supporting authentication, authorization, and access-related issues.
• Practical scripting skills in Python, Shell, and/or Perl to automate repetitive operational tasks, perform health checks, and support troubleshooting activities.
• Strong understanding of ITIL-based support processes, including incident, problem, and change management.
• Good communication and documentation skills, with the ability to clearly update tickets, hand over issues, and collaborate effectively with L1, L3, and infrastructure teams.
• Linux system administration certification (e.g., RHCSA or equivalent).
• Docker and/or Kubernetes fundamentals or associate-level certification.
• Experience working in 24x7 operational environments and supporting business-critical or customer-facing applications is a plus.

Responsibilities

• Provide L2 application support, including incident investigation and resolution.
• Monitor application health using Elastic/Kibana and respond to alerts proactively.
• Support containerized applications using Docker and Kubernetes.
• Assist with automation and configuration management using Ansible.
• Support identity and access management solutions such as ForgeRock.
• Develop and maintain scripts using Python, Shell, and Perl to automate operational tasks.
• Participate in root cause analysis and continuous service improvement initiatives.

Benefits

• Employee Wellbeing: We have got you covered with our Employee Assistance Program (EAP), for you and your dependents 24/7, 365 days/year. We also offer Champion Health - a personalized platform that supports a range of wellbeing needs.
• Professional Development: Level up your skills with our training platforms, including LinkedIn Learning!
• Competitive Benefits: Competitive benefits that make sense with both your local market and employment status.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 1,001-5,000 employees