OT Test Engineer

Project overview

For Gasunie, Harvey Nash is looking for an OT Test Engineer

Requirements

Bachelor's degree (HBO) work and thinking level.

Minimum 5 years of demonstrable experience as a Test Engineer, including experience with test coordination.

Demonstrable experience with setting up, executing, and assuring structured test processes.

Demonstrable experience with Azure DevOps, specifically Test Plans, Boards, Work Items, user stories, test cases, bugs, and reports.

Experience with requirement-based testing and setting up traceability between requirements, test cases, and test results.

Experience with functional, system, integration, regression, and acceptance tests.

Experience with risk-based testing.

Experience with preparing test plans, test scripts, and test reports.

Experience with Agile/Scrum methodologies and collaboration in multidisciplinary teams.

Demonstrable experience with setting up or implementing test automation.

Presence at the office at least 3 days a week.

Good command of the Dutch language, both spoken and written.

Desirables

Experience within Operational Technology (OT), industrial automation, or critical infrastructure.

Knowledge of or experience with SCADA, PLC, PCS, or DCS systems.

Experience with Factory Acceptance Tests (FAT), Site Acceptance Tests (SAT), and/or commissioning.

Knowledge of industrial communication networks.

Knowledge of IEC 62443 or similar OT security standards.

ISTQB Foundation or an equivalent test certification.

Experience with linking automated tests to Azure DevOps pipelines or similar CI/CD facilities.

Competencies

Analytical and able to connect risks, requirements, and test results.

Structured and quality-oriented, with attention to demonstrability and documentation.

Practical and hands-on, willing to prepare and execute tests yourself.

Proactive and results-oriented, with sufficient persuasive power to adhere to the agreed methodology.

Collaborative and effective in multidisciplinary Agile teams and projects.

Communicative and able to switch between engineers, project management, suppliers, and management.

Organizationally sensitive and able to implement improvements step-by-step and practically.

Explanation of the sought profile

Gasunie is not looking for an exclusively executing tester. The professional combines test execution with coordination, methodological assurance, and knowledge transfer. The assignment requires sufficient seniority to guide teams and projects in a uniform working method, while the professional also actively performs test work. Experience with Azure DevOps as a test management application is required. OT knowledge is a clear plus.

Deployment for this assignment is only possible if a Declaration of No Objection (VGB) is granted after a security investigation by the AIVD.

Project details

Groningen, at least 3 days a week at the office

Hours per week: 36 hours per week

Assignment term: 1-12-2026 to 31-12-2026 first contract. Long-term assignment, approximately 4 to 5 years

Generic role: Engineer maintenance 65

FG65, all-in, Medium € 96.50 - € 104.00

Salary from €5415.50 to €7366.17 gross per month (scale FG65), based on a full-time employment. In addition, you will receive a fixed 13th month (holiday pay) and 14th month

20 vacation days for full-time employment. Want more days off? With your flexible choice budget, you can buy up to 27.5 extra vacation days.

Commuting costs 0.23c per km

A monthly home working allowance of € 24.50 (net)

Application deadline: 29-10-2026 at 10:00 AM

Interview date: 6-11-2026 in the morning

For this assignment, we are open to:

Permanent employment - Grading in accordance with the applicable collective labor agreement.

For assignments via a supplier, the agreed rates and conditions apply in accordance with the mediation agreement. Permanent employees are graded according to the applicable collective labor agreement.

Assignment description

For the Process Automation department, Gasunie is looking for an experienced Test Engineer who will contribute to the further professionalization and assurance of test management within business-critical OT environments. The professional will further implement the agreed Design-Build-Test methodology, monitor its application, and combine hands-on test execution with test coordination.

Azure DevOps is used as the application for managing requirements, user stories, backlogs, test plans, test cases, findings, and reports. The professional will also help the department to make the controlled step towards more automated testing.

The professional works within multidisciplinary, Agile collaborating teams and also supports projects in the preparation, execution, and coordination of test activities.

Results and activities

Establish, improve, and assure a uniform testing approach within the Process Automation department.

Prepare and maintain test strategy, test plans, test scenarios, test cases, and test reports.

Execute functional, system, integration, regression, and acceptance tests.

Set up and manage test plans, test sets, test cases, bugs, and traceability in Azure DevOps Test Plans.

Assure traceability between requirements, acceptance criteria, test cases, findings, and test results.

Apply risk-based testing and advise on test depth and release.

Coordinate test activities, dependencies, findings, and reports within projects and teams.

Build and maintain reusable regression test sets.

Advise on test automation and support in selecting and implementing suitable automated tests.

Guide engineers and other stakeholders in applying the agreed test methodology.

Report on progress, quality, risks, and results to project management, product owners, and management.

• Start: flexible
• Location: Groningen, NL
• Languages: Dutch