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Vacancy: Senior DevOps Engineer Windows

Start date: December 1, 2026
Duration: 12 months, until December 1, 2027
Work regime: Full-time, 100% on-site
Location: Brussels
Languages: Dutch/French with a good command of the other national language and English
Application deadline: September 22, 2026

Requirements

• Minimum 10 years of proven professional experience.
• Belgian nationality.
• Holder of a “Top Secret” security clearance or willing to obtain one.
• All activities must be performed on-site; remote work is not possible.
• Dutch- or French-speaking, with a good command of the other national language and English.

Job Description

As a Senior Windows DevOps Engineer, you will be responsible for the management and monitoring of Windows-based infrastructure. You will actively contribute to improving system security and hardening.

Responsibilities

• Design and implement appropriate and innovative solutions for the technical infrastructure.
• Contribute to operational systems management to ensure service continuity.
• Coordinate activities to ensure the optimal execution of infrastructure projects.
• Monitor and follow up on the technical infrastructure to support its continuous evolution.
• Define, create and implement documentation and procedures for optimal management and maintenance.
• Contribute to team knowledge sharing and the further development of technical expertise.
• Apply information security policies and rules to ensure the continuity, confidentiality, integrity and availability of data.
• Lead projects, advise on best practices, mentor junior engineers and collaborate with other teams.

Skills

• Ability to inspire colleagues and facilitate knowledge transfer.
• Experience leading teams and coaching employees.
• Strong results-oriented mindset and high sense of responsibility.
• Customer-oriented with strong interpersonal and communication skills.

Experience

• At least 10 years of experience as a Windows DevOps Engineer.
• Strong knowledge of Microsoft Windows, including workstation and server editions; certification is a plus.
• Knowledge of storage, networking and cybersecurity.
• Experience with auditing and hardening Windows systems.
• Strong knowledge of virtualization technologies, including VMware, as well as container technologies such as Docker and Podman.
• Knowledge of backup and restore technologies.
• Familiarity with technologies such as Active Directory (AD), user management, Exchange, DFS, SCCM, Git, GitLab, (Power)Shell scripting and Event Viewer.
• Proficiency with monitoring tools and log analysis, including the ELK Stack.
• Experience maintaining an up-to-date infrastructure inventory.
• Strong ability to diagnose complex system issues, perform performance tuning and implement high-availability solutions.
• Good knowledge of DevOps principles and methodologies.
• Knowledge of IT Service Management (ITIL 4 Foundation).

Work Environment

You hold Belgian nationality and speak either French or Dutch as your primary language, with at least a basic knowledge of the other national language and English.

You have a strong sense of responsibility and are able to maintain a high level of discretion regarding your work. You hold a “Top Secret” security clearance or are willing to obtain one.

Remote work is not possible; you are required to work 5 days per week on-site in Brussels.

Working hours are highly flexible.