Requirements: English
Company: Waterland Private Equity
Region: Bussum , North Holland
We are currently recruiting a System Security Administrator (m/f/x), to enforce our Technology department. This person will be based in Bussum (the Netherlands) as part of our Central Services team. The Central Services team is located in Antwerp (Belgium), Bussum (the Netherlands), Hamburg and Munich (Germany) and London (the United Kingdom), and consists of more than 50 specialists who are responsible for the legal, reporting, accounting, tax, investor relations, technology and HR functions of Waterland.
What will be your impact?
At the heart of our growing digital infrastructure, we are looking for a technically skilled and compliance-aware Security Engineer to help us strengthen our cybersecurity posture.
You will play a key role in defending our cloud and on-premise environments while ensuring alignment with NIS2 , DORA , ISO 27001 , and other evolving regulatory frameworks.
This role is ideal for someone who enjoys combining deep technical work with structured compliance thinking , and who wants to grow within a professional, dynamic, and impact-driven environment.
Your Responsibilities:
- Incident Response Reporting Lead the response to security incidents and ensure timely reporting, aligned with DORA/NIS2 obligations.
- Threat Detection Monitoring Operate and fine-tune platforms like SIEM , EDR , IDS/IPS , and log analytics to detect, respond and prevent threats.
- Security Architecture, Networking System Hardening Design, implement and maintain secure infrastructures across Windows, Linux, cloud platforms and corporate networks / Apply system and network hardening best practices across all environments (on-premises and hybrid).
- Microsoft 365 Security Management Implement and manage Microsoft 365 security configurations , including Defender for Office 365, Conditional Access, Intune device management, Data Loss Prevention (DLP), and Identity Protection.
- Compliance-Driven Controls Implementation Translate regulatory and policy requirements ( NIS2, DORA, ISO 27001) into technical controls, processes, and governance structures.
- Security Operations Perform vulnerability management, coordinate penetration tests, oversee patching, and conduct forensic investigations if needed.
- Automation Engineering Develop and automate security scripts, monitoring dashboards, and alerting mechanisms (PowerShell, Python, Bash).
- Security Advisory Awareness Act as a trusted advisor for internal teams (IT, DevOps, Legal/Compliance) and actively contribute to security awareness programs.
The role is highly varied and involves working in a supportive, dynamic and vibrant atmosphere. The projects you could work on offer continuous learning, increase your knowledge of the PE industry, and support you in growing your future career with us.
Be your true self
- 35+ years of relevant experience in Security Engineering , System Administration with a security focus , or SOC-related roles.
- Hands-on expertise with SIEM , EDR , IDS/IPS , Firewalls , vulnerability scanners , and endpoint protection .
- Strong understanding of Network security principles (firewall rulesets, VPNs, segmentation, DNS filtering, etc.); IAM (Identity and Access Management) concepts; Microsoft 365 security configurations and policies; Cloud security frameworks (Azure, AWS or similar)
- Experience with incident response , SOC operations , and forensic analysis .
- Solid knowledge of compliance frameworks such as NIS2 , DORA , and ISO 27001 , and the ability to operationalize them.
- Proactive, analytical mindset with strong problem-solving skills.
- Scripting and automation skills (PowerShell, Python, Bash, or similar).
- Fluent in Dutch and/or English.
As regards your personality :
A down-to-earth and open team player, having good communication skills, decisiveness, a creative yet pragmatic attitude, initiative-driven, curious and passionate.
Well-organized, hands-on, proactive, detail-oriented, ability to multi-task, commercial mindset, and work to tight deadlines.
Taking responsibility for tasks at hand.
You want to know more?
The role will be based in our Bussum office.
We commit ourselves to encouraging true team spirit and creating an inclusive and dynamic working environment in which each team member can pursue the knowledge needed to boost their career.
Work-life integration and hybrid working are important to us.
About us
Waterland is an independent private equity investment group that supports entrepreneurs in realizing their growth ambitions. With substantial financial resources and committed industry expertise, Waterland enables its portfolio companies to achieve