System Engineer (with Focus Deployment & Testing)

Join our project team dedicated to secure identity and document solutions. We are looking for a hands-on System Engineer with strong Linux and deployment knowledge and practical experience validating complex system environments.

This role goes beyond traditional QA. We are seeking a versatile engineer to own systems from end-to-end. You will drive system deployment, configuration, integration, and validation, while also rolling up your sleeves to contribute directly to development.

YOUR TECHNICAL EXPERTISE:

• Previous experience in system validation and technical end-to-end testing

• Strong troubleshooting and root cause analysis skills

• Strong Linux knowledge, including command line usage and administration

• Hands-on experience with AWS

• Strong scripting skills (Python, Shell / Bash)

• Understanding of networking, infrastructure, deployment processes, and environment configuration

• Experience working with REST APIs, JSON, YAML, XML, and API testing tools

• Solid SQL knowledge (e.g. PostgreSQL)

• Development experience is a huge plus (Java, Spring Boot)

• Experience with automated testing and validation tools (Postman, SoapUI)

• Experience with Docker and CI/CD pipelines is a nice to have

YOUR PERSONALITY:

• Strong engineering mindset with ownership for system stability and quality

• Detail-oriented with strong analytical and problem-solving skills

• Comfortable working independently across validation, deployment, infrastructure, and troubleshooting tasks

• Collaborative and clear communicator

THE FACTS:

IMPORTANT: B2B contract only with freelancers directly, no agencies or companies!!!

Project start: 10/2026

Contract type: Freelancer

Workload: Full-time

Duration: Long-term, depending on project needs

Hourly rate: Depending on experience and skill set

Location: Hybrid (residence must be within the European Union), available on-demand for on-site work in the Vienna office at very short notice

Project language: English