June 8, 2026

Senior System Integration & Test Engineer

Senior • Hybrid

Bucharest, Romania

Introduction & Summary:
We are seeking a highly skilled Senior System Integration & Test Engineer with a solid minimum of 7 years in the integration and qualification of software. The ideal candidate will possess a comprehensive understanding of the software project lifecycle, advanced knowledge of DevOps practices, and expertise in integrating systems to ensure high-quality deliverables.

Project duration: 3 years.

Main Responsibilities:
This role involves defining integration strategies and ensuring proper testing of software systems. Key responsibilities include:

  • Defining integration and test strategies, test plans, and test scenarios.

  • Ensuring requirements traceability and coverage.

  • Utilizing DevOps and CI/CD best practices.

  • Building integration environments and installing or upgrading solutions.

  • Performing integration and validation tests (including load, performance, high availability, accuracy and security tests).

  • Investigating issues by analyzing logs during tests execution, reports incidents through configuration management tool and monitors them until closure.

  • Producing documents that will allow proper installation, testing, operations and administration.

  • Preparing and providing training for customers, support and maintenance teams.

  • Supporting pre-sales teams on specific technical requests on integration activities.

  • Defining and implementing autonomously the entire integration and test strategy of a full simple project requiring advanced knowledge in OS, database and integration tools.

Key Requirements:
- Master's or equivalent degree in Computer Science (5+ years).
- Minimum 7 years experience in software integration and qualification.
- Proficient in software project lifecycle management.
- Advanced skills in Application Servers (JBoss, Tomcat).
- Expertise in web services (SOAP, REST, RPC).
- Proficient in CI/CD tools (Jenkins, Ansible) and OS (Linux).
- Knowledge of Cybersecurity principles (PKI) is important.
- Professional English proficiency is essential.

Nice to Have:
- Familiarity with Maven Artifact repositories (Nexus).
- Experience with scripting (Python, Bash, etc.).
- Understanding of Queueing services (Rabbit MQ, Active MQ).
- Familiarity with cloud environments (AWS, Azure, Google Cloud).
- Knowledge of IT infrastructures (Windows, Linux, virtualization).
- Experience with test tools (Jira, JMeter, etc.).

Other Details:
Work Arrangement & Mobility Requirements

This position follows a hybrid work model, with 2 days remote and 3 days on-site per week. The selected candidate must also be available for occasional business travel within Europe.

Eligibility & Export Control

Due to Export Control regulations, the role is restricted to European nationals. Candidates must be eligible to work under these regulations and must not have a criminal record

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Katowice, Poland

120 - 130 PLN/hr

🏢 Summary: Senior Test Engineer role focused on designing and developing automated tests for embedded systems in industrial automation projects. The position involves building Python-based test frameworks and validating system functionality in Unix/Linux/QNX environments, with emphasis on networking and communication protocols. Hybrid work model with B2B contract. 🗂️ Requirements: 5+ years of embedded systems testing experience, Proficiency in Python, Experience with test automation frameworks, Hands-on experience with Unix/Linux/QNX, Strong knowledge of networking concepts, Understanding of communication protocols 📃 Skills: Python, Unix, Linux, QNX, Networking, Protocols, Automation, Embedded 🏢 Description: We are looking for an experienced Senior Test Engineer to join the team of our client – a global industrial automation company – working on cutting-edge solutions that support the automation of industrial processes. Key responsibilities Designing and developing automated tests for embedded systems Building and maintaining test automation frameworks in Python Testing system components in Unix/Linux/QNX environments Validating system functionality with a focus on network protocols and communication Ideal candidate profile 5+ years of experience in embedded systems testing Proficiency in Python and test automation tools Hands-on experience with Unix/Linux/QNX environments Solid understanding of networking concepts and communication protocols English proficiency at B2 level or higher (daily communication with international teams) Conditions B2B contract: 120 – 130 PLN / h net + VAT Hybrid work model (Katowice office: 3 days onsite, 2 days remote) Benefits: private medical care, sport card, life insurance Recruitment steps Phone call with Recruiter (Aleksandra) Technical verification call by the client Interview with the client Feedback and decision