System administrator

act digital EMEA - Alter Solutions; Brussel; On-site; EUR 60,000 - 90,000; Full time

Job summary

act digital invites seasoned infrastructure professionals to join the Digital Transformation Department, working with experienced system administration experts to improve reliability, performance and ongoing improvements of our IT infrastructure.

You will troubleshoot complex incidents, manage virtualization (VMware/Hyper-V), deploy changes, support AD and storage, and collaborate across international locations; fluent English and strong communication are essential.

Qualifications

• Master's degree in Computer Science or related field.
• At least 5 years of significant experience within an infrastructure or system administration team.
• Strong communication skills with proven analytical and problem-solving abilities.
• Curious mindset with a strong interest in technology watch and continuous learning.

Responsibilities

• Perform troubleshooting on complex incidents and infrastructure issues.
• Implement system changes, deployments, and patch management.
• Diagnose and resolve technical incidents in a timely manner.
• Manage and maintain virtualized environments (VMware or Hyper-V).
• Support storage and Active Directory administration activities.

Skills

Strong communication skills

Analytical and problem-solving

Fluent English

Curious mindset

Education

Master's degree in Computer Science or related field

Tools

PowerShell scripting

SSM tools

VMware

Hyper-V

Active Directory

Job description

act digital is an international consulting and engineering group that supports its clients in their digital transformation projects.

Present in 12 countries and with more than 7,000 employees, we leverage our expertise to address their challenges in software development, cybersecurity, data, cloud, and AI.

Our ambition: to become the trusted technology partner of the most innovative companies, by designing and securing systems that enhance their performance and resilience.

Joining act digital means becoming part of an agile and committed organization that works closely with its clients to turn ideas into concrete results, with pragmatism and high standards.

Job Description :

You will join our Digital Transformation Department and work alongside a team of experienced system administration experts, contributing to the reliability, performance, and continuous improvement of our IT infrastructure.

Key Responsibilities

• Perform troubleshooting on complex incidents and infrastructure issues
• Implement system changes, deployments, and patch management
• Diagnose and resolve technical incidents in a timely manner
• Manage and maintain virtualized environments (VMware or Hyper-V)
• Support storage and Active Directory administration activities

Profile / Requirements :

Profile & Qualifications

• Master's degree (Engineering School, University, or equivalent) in Computer Science or a related field
• At least 5 years of significant experience within an infrastructure or system administration team
• Strong communication skills with proven analytical and problem-solving abilities
• Curious mindset with a strong interest in technology watch and continuous learning

Technical Skills

• Knowledge of SSM tools
• Strong PowerShell scripting skills (mandatory for Windows server environments)
• Experience managing large-scale infrastructures (100+ servers across multiple international locations is a plus)
• Fluent English required