> Markdown version of [/jobs/ext/2285498-application-engineer-esim-and-iot](https://www.wearedevelopers.com/jobs/ext/2285498-application-engineer-esim-and-iot). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Application Engineer eSIM and IoT - **Company:** Giesecke+devrient - **Location:** Barcelona, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Proxy Servers, Apache HTTP Server, Apache Tomcat, Bash Shell, Cloud Computing, Computer Networks, Linux, Web Servers, OSI Models, Java Web Services, Python (Programming Language), Scrum Methodology, Ansible, TCP/IP, Data Logging, Scripting, Java Application Server, Cloud Platform System, Kubernetes, Information Technology - **Published:** August 29, 2026 - **Apply:** https://www.jobleads.com/es/job/e8d34e68e78fbcfaf877a36f5c8e309c9 ## About the Role * Degree in Computer Sciences or equivalent qualification. * Experienced in managing Web Servers, Apache, Tomcat, and Java Applications in a Linux based environment. * Basic knowledge of Cloud Computing environments, particularly AWS, and container orchestration, such as Kubernetes (e.g. Amazon ECS). * Understanding of networking concepts (OSI model, TCP/IP). * Scripting skills (e.g., Bash, Python) and ideally Ansible experience for automation and tooling. * Knowledge of ITIL processes and Service Management. * Knowledge of Agile/Scrum teamwork. * Fluent written and spoken English. ## Description This is a hands-on engineering role in an international team responsible for deployment and administration of Java applications developed in-house. You will collaborate closely with the developers and with colleagues from IT Infrastructure and Customer Support., * Install, integrate, and troubleshoot Java-based applications hosted at G+D Datacenters and Cloud environments for market-leading customers. * Operate web servers, proxy servers, and Java applications in a Linux-based environment, including the management of digital certificates and keys. * Analyze and resolve incidents related to Java applications, in compliance with the service level agreements and service processes based on the ITIL framework. * Implement, test, and document new customer solutions in close coordination with project management and other internal teams. * Maintain and enhance our monitoring, logging, and event management systems. * Automate regular operational support tasks and system deployments using scripts and Ansible. ## Related Videos - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Dev & Test in the Cloud? Deploy your cloud environments with Ansible & Terraform](https://www.wearedevelopers.com/videos/1607-dev-test-in-the-cloud-deploy-your-cloud-environments-with-ansible-terraform) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Embracing the Hybrid Cloud: Unlocking Success with Ansible](https://www.wearedevelopers.com/videos/932-embracing-the-hybrid-cloud-unlocking-success-with-ansible) ## Related Articles - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)