Confirmed on the employer's own hiring board on Oct 14, 2026. First seen by Alion on Oct 14, 2026. Syone scores B on the Alion truth index.
We are looking for a Tech Lead Application Support with strong experience in Linux environments, production support, and IT infrastructure to join a challenging project within the banking sector.
The ideal candidate will have a solid technical background in L3 support, incident management, application monitoring, automation, and technical leadership, ensuring the stability, availability, and performance of business-critical applications.
What you would do:
Provide technical leadership in Application Support and Production Support activities.
Ensure L3 support, investigating and resolving complex incidents and production issues.
Guarantee the stability, availability, and performance of critical applications in 24/7 environments.
Coordinate technical activities with development, infrastructure, database, and network teams.
Lead technical projects, infrastructure migrations, and application improvements.
Manage application deployments, releases, and production changes.
Develop and improve automation scripts using Shell and Python.
Work with Linux environments, web servers, and application servers, including WebSphere and JBoss.
Implement and improve monitoring, alerting, and incident prevention processes.
Participate in technical architecture design, ensuring security, scalability, and resilience.
Support Disaster Recovery Plans (DRP), backup procedures, and business continuity activities.
Ensure compliance with ITIL processes, SLAs, and security standards.
Participate in an on-call rotation to ensure operational continuity.
What you need to bring:
6+ years of experience in Linux environments, Application Support, or Production Support.
Previous experience in technical leadership or coordination of technical teams/projects.
Strong knowledge of Linux/Unix systems.
Solid experience in L3 support, troubleshooting, and incident management.
Proficiency in Shell scripting and Python.
Experience with application servers and web servers, such as WebSphere, JBoss, or similar.
Knowledge of SSL certificates, security configurations, and infrastructure architecture.
Experience with monitoring and alerting tools.
Knowledge of deployment processes, release management, and change management.
Experience with backup, disaster recovery, and business continuity procedures.
Familiarity with ITIL processes and SLA management.
Strong communication, problem-solving, and stakeholder management skills.
English B2 or higher.
Nice to have:
Experience with Windows Server.
Knowledge of CI/CD, Docker, Kubernetes, or OpenShift.
Experience with Control-M or other job scheduling tools.
Previous experience in the banking or financial services sector.
Experience with infrastructure migrations and technical architecture improvements.
By applying, you accept our GDPR policies. Your personal data in your CV and documents will be used solely for processing your application at SYONE. SYONE, S.A. (NIPC 504729624) is the data controller, located at Rua Alfredo da Silva, 8-A, Edifício Stern, Piso 3D, 2610-016 Amadora.
We will use your data to tailor your application to relevant vacancies and for potential employment contracts. If selected, your data will be kept during your employment and for at least two years after. If not selected, your data will be kept for two years for future vacancies and then deleted, except for your contact details.
You can exercise your rights (access, rectification, erasure, etc.) by emailing [email protected]. Your data may be shared with our HR service providers and will be stored securely. You can withdraw your consent at any time. We will not use your data for other purposes without your express consent.

