Senior Application Engineer

Date PostedMay 28, 2026LocationLisbonCompanyCloser ConsultingSalary €18 000 - €60 000 por ano TypeFull-time, Remote

Job Summary

Closer Consulting is seeking an Application Production Infrastructure & Network Consultant for an international project in Lisbon. The role focuses on implementing application solutions, supporting infrastructure migrations, and ensuring system performance. You will work within a technical team to monitor health, maintain security standards, and manage complex networking flows.

Responsibilities

  • Implement application solutions in production environments
  • Support infrastructure migrations and system changes
  • Monitor server health, performance, and availability
  • Design networking flows and technical architecture
  • Provide third-level application technical support

Required Skills

  • Senior experience in Production/Infrastructure/Network
  • Windows and Linux server administration
  • Database knowledge (Oracle, SQL Server, NoSQL)
  • Monitoring tools (Nagios, Dynatrace, Grafana)
  • CI/CD and Containerization (Jenkins, Docker, Ansible)
  • Fluent English

Job Details

Key Responsibilities: - Implement application solutions in non-production and production environments. - Support infrastructure migrations, obsolescence management and application changes. - Monitor application and server platform health, performance and availability. - Prepare KPI reports and contribute to service monitoring. - Participate in architecture committees and technical design discussions. - Ensure applications follow security norms and standards. - Design and coordinate networking flows between technical components. - Provide third-level application technical support to APS and ADM teams. Technical Profile: - Senior experience in Application Production / Infrastructure / Network environments. - Strong knowledge of Windows and Linux server environments. - Experience with databases: Oracle PL/SQL, SQL Server and NoSQL. - Experience with monitoring tools: Nagios, Dynatrace, OpenSearch, Grafana, Prometheus. - Experience with CI/CD tools: Jenkins, Ansible, Git/Bitbucket, JFrog/Artifactory. - Knowledge of HTTP-based services: Web Services, RESTful APIs and Microservices. - Experience with containerization tools: Podman and Docker. - Solid understanding of networking flows and infrastructure coordination. - Fluent in English (mandatory). Personal Profile: - Strong communication skills. - Organized and delivery-focused. - Attention to detail and quality. - Strong problem-solving mindset. - Proactive in identifying risks and preventing issues. - Team player with good collaboration skills.