Senior Security Engineer
Rijswijk
Temporary
5-10 years experience
Hybrid
Key Skills
Microsoft Sentinel
Microsoft Defender XDR
SOAR
Logic Apps
Power Automate
KQL
PowerShell
Git
Microsoft Purview
DLP
Azure
Consulting
Stakeholder management
ISO 27001
NIST
GDPR
Job Description
Senior Security Engineer
Department: Cyber Services and Capabilities
Employment Type: Fixed Term Contract
Location: NLD Rijswijk
Description
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
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
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
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
What do we offer in return?
We have a high-performance culture which is balanced evenly with world-class well-being initiatives and benefits:
- Flexible Working: Balance your work and personal life with our flexible working options.
- Generous Holiday Allowance: Enjoy 25 days of holiday, plus bank holidays, with the option to buy up to 5 additional days of annual leave.
- Medicash & Critical Illness Scheme
- Financial & Investment Benefits: Enjoy peace of mind with our Pension, Life Assurance, and Share Save Scheme.
- Community & Volunteering Programmes: Make a difference in your community with our volunteering opportunities.
- Green Car Scheme: Drive green and save money with our eco-friendly car scheme.
- Cycle Scheme: Stay fit and healthy with our cycle-to-work scheme.
- Special Time Off: Take time off for those big moments in life, like getting married/entering into a civil partnership, becoming a grandparent, and welcoming home a new pet.
- Family Planning: Benefit from our generous maternity and paternity leave, as well as time off and support for those undergoing fertility treatments.
Core Responsibilities
You will design and deploy Microsoft Sentinel and Defender XDR environments while building automated SOAR playbooks to enhance security posture. Additionally, you will provide expert consultancy to clients, translating technical security solutions into business value through roadmaps and reporting.
Requirements
The role requires strong experience with Microsoft security solutions, including Sentinel, XDR, and SOAR, alongside proficiency in KQL and scripting. Candidates must possess professional fluency in both Dutch and English and demonstrate proven consulting capabilities.
Benefits
- Flexible working
- Generous holiday allowance
- Medicash
- Critical illness scheme
- Pension
- Life assurance
- Share save scheme
- Community and volunteering programmes
- Green car scheme
- Cycle scheme
- Special time off
- Maternity leave
- Paternity leave
- Fertility treatment support
About NCC Group
Industry: IT Services and IT Consulting
Company size: 1,001-5,000 employees
We are NCC Group. A people powered, tech-enabled global cyber security and resilience company with 2,000 colleagues around the world. For over 25 years we’ve been trusted by the world’s leading companies and Governments to manage and deliver cyber resilience, working together to create a more secure digital future.
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