Senior Security Engineer

NLD Rijswijk Leaves the board today
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Do you enjoy turning complex security data into intelligent, automated defence? At Fox-IT (part of NCC Group), you’ll help leading organisations across the Netherlands strengthen their security posture using Microsoft’s security ecosystem.

You’ll design and deliver Sentinel-led detection and response, build smart SOAR automation, and shape XDR strategies that drive real impact. This is hands-on consultancy work in a collaborative environment that values innovation, knowledge sharing, and high-quality delivery.

Key Responsibilities

Microsoft Sentinel engineering:
Design, deploy and optimise Sentinel environments, including data connectors, normalisation, analytics rules, UEBA, watchlists, workbooks, and cost-conscious ingestion strategies

Automation & SOAR:
Develop and implement pragmatic SOAR playbooks using Logic Apps and Power Automate to reduce manual effort and improve response times

XDR implementation:
Deploy and optimise Microsoft Defender XDR across endpoints, identity, email, and cloud. Align detections with MITRE ATT&CK and relevant threat scenarios

Threat hunting & response:
Use KQL for proactive threat hunting, support incident triage, and continuously improve detection use cases in collaboration with SOC teams

Data protection & compliance:
Advise on Microsoft Purview, Information Protection, and DLP, supporting clients from design through to implementation and rollout

Client delivery:

Translate technical solutions into business value through roadmaps, reporting, and stakeholder communication

Knowledge sharing:

Support and mentor colleagues, contribute to reusable assets, and share best practices within Fox-IT

Business development:

Support pre-sales activities, including scoping, proposals, and advising clients on security strategy

Skills, Knowledge & Expertise

Strong experience delivering Microsoft Security solutions, including:
  • Microsoft Sentinel (essential)
  • Microsoft Defender XDR
  • SOAR (Logic Apps / Power Automate)
  • Purview / DLP
  • Solid skills in KQL, scripting (PowerShell), and version control (Git)
  • Experience with cost optimisation in Azure (ingestion, retention, table selection)

Proven Consulting Capability:
  • Client workshops
  • Architecture design
  • Stakeholder management
  • Clear and structured reporting
  • Understanding of security standards and frameworks (ISO 27001, NIST, GDPR) within a cloud context
Language requirement: Professional fluency in Dutch and English (written and spoken)

Nice-to-have Skills:
  • Infrastructure as Code (ARM, Bicep, Terraform)
  • Entra ID and Conditional Access
  • Microsoft Defender for Cloud, Intune
  • MITRE ATT&CK mapping
  • Incident response experience
  • Certifications such as SC-200, SC-100, CISSP, CISM, ISO 27001
Ways of Working:
  • Focusing on Clients and Customers.
  • Working as One NCC.
  • Always Learning.
  • Being Inclusive and Respectful.
  • Delivering Brilliantly.

Job Benefits

  • A good salary that matches the things you have already done and will do;
  • Flexible working hours and flexibility in working from home or at the office, allowing you to optimally combine your private life with your work;
  • A favorable pension scheme, 26 vacation days (+4 mandatory days off), and 8% holiday pay with a full-time contract;
  • Plenty of development opportunities: you can gain and share knowledge through training, TechTalks, events, and our own Fox Academy;
  • A laptop and business phone. If you use your own phone, you will receive a reimbursement of up to €25 per month;
  • A remote work allowance (for hybrid working);
  • A performance bonus and profit sharing because we value your effort;
  • When we work in the office, we gather every day for a delicious lunch.