Senior Application Support Engineer

We're looking for a Senior Application Support Engineer – Banking (Lisbon)

Who We're Looking For

We are looking for a Senior Application Support Engineer to join an application support team, providing production support for critical applications and data platforms in a dynamic financial services environment. The role involves managing incidents and service requests, troubleshooting technical issues, monitoring application performance and ensuring service availability in a 24/7 environment.

The ideal candidate has strong experience in Application Support, Linux, Ansible, Docker and Kubernetes , with knowledge of cloud environments, infrastructure automation and banking operations.

Professional Experience & Main Tasks

• Provide application production support for banking applications and IT data platforms, ensuring service stability and availability.
• Manage incidents and service requests, ensuring timely resolution and compliance with service-level objectives (SLOs).
• Analyse system, middleware and application logs to identify, troubleshoot and resolve technical issues.
• Perform service monitoring, reporting and continuous improvement activities to enhance service quality and availability.
• Participate in a 24/7 production support team, including shifts, on-call rotations, weekends and public holidays.
• Participate in and support Disaster Recovery (DR) exercises and live production readiness activities.
• Build and maintain Ansible playbooks and Terraform scripts to automate infrastructure provisioning, configuration and deployments.
• Support and maintain containerised environments using Docker and Kubernetes.
• Contribute to infrastructure automation and continuous integration processes using tools such as Jenkins.
• Review and create application support knowledge articles, ensuring documentation is accurate and up to date.
• Participate in knowledge transfer sessions with application development teams to validate understanding of application changes.
• Collaborate with development, infrastructure and operations teams to improve incident management, operational efficiency and production readiness.
• Escalate risks and critical issues in a timely manner, ensuring effective communication with relevant stakeholders.
• Support and share knowledge with other operations team members on Ansible, Docker and Kubernetes best practices.
• 5+ years of professional experience in IT Operations, Application Support, Production Support or Software Engineering.
• Experience in L1/L2 application support and troubleshooting within a banking or financial services environment.
• Strong knowledge of Linux, preferably Red Hat Enterprise Linux (RHEL) , including command-line tools and shell scripting.
• Hands‑on experience with Ansible and Docker , preferably including infrastructure automation.
• Practical experience with Kubernetes and containerised environments.
• At least 2 years of hands‑on experience with a public cloud provider , such as IBM Cloud, AWS, Azure or Google Cloud.
• Proficiency in at least one scripting language, preferably Python and/or Bash .
• Knowledge of Infrastructure as Code (IaC) tools, particularly Ansible and Terraform.
• Understanding of Continuous Integration (CI/CD) practices and tools such as Jenkins.
• Experience with application monitoring tools, preferably Dynatrace , and log analysis.
• Knowledge of PL/SQL and Oracle databases is valued.
• Understanding of ITIL practices , incident management and service-level objectives.
• Strong troubleshooting, analytical and problem-solving skills.
• Good communication skills and the ability to collaborate effectively with development and operations teams.
• Proactive mindset, with a focus on service improvement, automation and operational efficiency.
• Availability to work in a 24/7 support environment , including shifts and on-call rotations.

Relevant certifications, such as Red Hat Enterprise Linux Automation with Ansible (RH294), Certified Kubernetes Application Developer (CKAD) and Advanced Automation with Red Hat Ansible Automation Platform (DO374) , are valued. Terraform and Vault certifications are a plus.

• English – Good command of written and spoken English.