Test Analyst | Data Driven Applications | SQL & Python | Almere, Netherlands

ILIAS Solutions; Almere; On-site; EUR 60,000 - 80,000; Full time

Job summary

ILIAS A&D BV, part of the ILIAS Group, seeks a QA/Data Testing Specialist to ensure data driven applications meet quality standards in logistics and maintenance. You validate data, test functionality and ensure system behavior aligns with requirements.

You will design, execute and maintain manual and functional test cases, validate data with SQL, and test data processes using Python. You collaborate with developers and data engineers to improve quality across the lifecycle.

Qualifications

• Experience with manual and functional testing.
• Understanding of testing methodologies (ISTQB level or similar).
• Experience with test and defect management tools such as Jira, Xray or similar.
• Strong SQL skills for data validation.
• Experience with Python for testing data processes.
• Familiarity with data platforms and data visualization tools.
• Analytical mindset and attention to detail.
• Strong communication skills in English.

Responsibilities

• Design, execute and maintain manual and functional test cases.
• Validate data using SQL queries and data analysis.
• Test data processes and workflows using Python.
• Identify, document and track defects using tools such as Jira or similar.
• Support test documentation and reporting.
• Work with development teams to resolve issues and improve quality.
• Contribute to structured testing processes and continuous improvement.

Skills

Manual testing

Functional testing

ISTQB knowledge

SQL for data validation

Python for testing data

Jira / Xray

Data platforms

Data visualization tools

English communication

Team collaboration

Tools

Jira

Xray

Job description

Opportunity

Ensure the quality and reliability of data driven applications where accuracy and consistency support operational decision making.

At ILIAS A&D BV, part of the ILIAS Group, you work on applications that process and expose operational data across logistics, maintenance and system workflows.

You focus on validating data, testing functionality and ensuring that systems behave as expected in environments where data quality matters.

Meaningful Work in a Mission Driven Environment

Your work supports applications used in operational environments. You ensure that data is accurate, consistent and reliable for users and systems.

Complex Challenges, Clear Solutions

You work with data driven applications where logic, data flows and integrations must be validated. Testing goes beyond user interfaces and includes validation of data pipelines, queries and processing logic.

You analyze results, identify issues and ensure that systems meet defined requirements and quality standards.

The Impact You Help Create

You improve application quality, reduce risk and ensure that data driven systems perform reliably. Your work supports consistent and trustworthy outcomes.

Your Mission

You validate data driven applications by testing functionality, data flows and system behavior.

• Design, execute and maintain manual and functional test cases
• Validate data using SQL queries and data analysis
• Test data processes and workflows using Python
• Identify, document and track defects using tools such as Jira or similar
• Support test documentation and reporting
• Work with development teams to resolve issues and improve quality
• Contribute to structured testing processes and continuous improvement

Support Core Defense Capabilities

• Fleet Management through validated data and system behavior
• Expeditionary Operations through reliable application performance
• Total Asset Visibility through accurate data validation
• MRO and Sustainment through consistent system quality

What You Bring

• Experience in manual and functional testing
• Understanding of testing methodologies (ISTQB level or similar knowledge)
• Experience with test and defect management tools such as Jira, Xray or similar
• Strong SQL skills for data validation
• Experience with Python for testing data processes
• Familiarity with data platforms and data visualization tools
• Analytical mindset and attention to detail
• Strong communication skills in English
• Ability to work independently and within a team

Systems Thinking and Analytical Strength

You understand how data, logic and system behavior connect. You analyze outcomes and ensure that applications perform consistently across scenarios.

Working Across Teams and Functions

You work with developers, data engineers and stakeholders. You support collaboration and ensure that quality is maintained across the development process.

Build Your Future with ILIAS

Grow Through Capability and Innovation

You develop your expertise in testing data driven applications and work with tools and technologies that support modern data platforms.

Grow in a Mission Driven Environment

At ILIAS A&D BV, you contribute to applications that support operational systems and decision making.

Build capability over time

At ILIAS, learning is embedded in the way we work.

You develop through hands on testing, collaboration with teams and exposure to complex systems.

As capability grows, so does your impact.

Contribute to What Comes Next

You support continuous improvement of application quality and contribute to reliable and scalable systems.