Senior System Administrator

Secamo; Antwerpen; Sur place; EUR 55 000 - 75 000; Plein temps

Avantages offerts par ce poste

Ongoing learning opportunities

Competitive compensation & benefits

Flexible working arrangements

Résumé du poste

A cybersecurity firm in Antwerp seeks a Senior System Administrator to manage IT infrastructure, ensuring security and efficiency. The ideal candidate will possess a Bachelor's or Master's degree in IT, with proven expertise in Windows Server and Microsoft 365 administration. Key responsibilities include overseeing infrastructure performance, applying security best practices, and mentoring junior colleagues. The role offers a dynamic work environment with opportunities for professional growth and a competitive benefits package.

Qualifications

• Proven experience in system administration, particularly with Windows Server environments and Microsoft 365.
• Strong knowledge of backup solutions and disaster recovery planning.
• Ability to troubleshoot complex issues and implement effective solutions.
• Fluent in English and Dutch.

Responsabilités

• Oversee and maintain clients’ IT infrastructure for optimal performance.
• Manage and support Windows Server environments including Active Directory.
• Administer Microsoft 365 services ensuring user support.
• Implement and manage backup solutions and conduct regular DR testing.
• Apply security best practices to protect systems and data.
• Collaborate with other IT teams to align systems with organizational goals.
• Maintain documentation of systems and provide performance reports.
• Mentor junior team members by sharing expertise.

Connaissances

Windows Server Administration

Microsoft 365 Administration

Backup solutions

Troubleshooting

Communication skills

Team collaboration

Security best practices

Infrastructure Management

Formation

Bachelor’s or Master’s degree in IT or Computer Science

Description du poste

Apply now

Senior System Administrator

At Secamo, we help organizations build cyber resilience through strategy, controls, and continuous monitoring — across IT, OT, and cloud environments. To support our growth, we’re looking for an experienced professional to join our team

Your role

As a Senior System Administrator, you play a pivotal role in ensuring the stability, security, and efficiency of our clients’ IT infrastructure. You implement robust solutions, proactively prevent disruptions, and ensure business continuity across our customers’ operations. Your expertise directly contributes to maintaining a resilient and secure technology landscape – supporting Secamo’s mission of delivering trusted cybersecurity and managed services to our clients. Beyond technical delivery, you’ll also help coach and guide junior colleagues, sharing your knowledge and raising the bar across the team.

What you’ll do

• Infrastructure Management: Oversee and maintain clients’ IT infrastructure, ensuring optimal performance, security, and scalability.
• Windows Server Administration: Manage and support Windows Server environments, including Active Directory, DNS, DHCP, and Group Policy.
• Microsoft 365 Administration: Administer Microsoft 365 services — Exchange Online, SharePoint, Teams, and OneDrive — ensuring seamless integration and user support.
• Backup and Disaster Recovery: Implement and manage backup solutions, conduct regular DR testing, and ensure rapid recovery in case of system failures.
• Security Implementation: Apply security best practices to protect systems and data, including patch management, firewall configuration, and vulnerability assessments.
• Collaboration: Work closely with other IT teams and departments to align systems with organizational goals and compliance requirements.
• Documentation and Reporting: Maintain comprehensive documentation of systems, configurations, and procedures; provide regular reports on system performance and incidents.
• Mentoring: Support the growth of junior team members by sharing expertise and best practices.

What we are looking for

• Bachelor’s or Master’s degree in IT, Computer Science, or equivalent experience.
• Proven experience in system administration, particularly with Windows Server environments and Microsoft 365.
• Strong knowledge of backup solutions, disaster recovery planning, and implementation.
• Ability to troubleshoot complex issues and implement effective, lasting solutions.
• Strong verbal and written communication skills
• Ability to work both autonomously and collaboratively in a team-oriented environment.
• Fluent in English and Dutch.

Location: Offices in Gent and Antwerp

Why Secamo

At Secamo, we commit to offer you:

• A dynamic and collaborative team in a growing, ambitious company shaping the future of cybersecurity.
• Ongoing learning opportunities — training, certifications, and exposure to diverse projects across industries.
• A real opportunity to shape Secamo’s technical practice and grow into a senior leadership role.
• A competitive compensation & benefits package with flexibility and a healthy work-life balance.
• Flexible working arrangements (remote/hybrid/on-site), depending on project needs.

Interested?

Just drop your CV and motivation, and we’ll let you know if there’s a match.

Get in touch

Antwerp office
MeetDistrict Berchem
Posthofbrug 6 b5/232
2600 Antwerp, Belgium

Ghent office
MeetDistrict / Planet Group Arena
Ottergemsesteenweg Zuid 808 b232 9000 Gent, Belgium

tel.: [phone]
[e-mail]

Secamo acts as your trusted advisor for cybersecurity strategy and execution, covering IT, OT, and Cloud. We offer expert guidance and implementation services to safeguard your digital assets and operations against evolving threats, ensuring resilience and peace of mind.