Security Administrator
Lynx Software Technologies
full-time
Posted on:
Location Type: Hybrid
Location: Amsterdam • Netherlands
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About the role
- Lead the implementation and optimization of security tools, including Microsoft Defender XDR and Sentinel
- Lead and coordinate security incident response activities across IT and Security domains
- Manage security alerts and incidents, performing triage, root cause analysis, and post-incident reviews
- Monitor and manage security operations to detect, investigate, and respond to threats across the organization in a timely manner
- Develop and maintain security incident response playbooks and procedures
- Conduct threat hunting and analysis using Sentinel and Defender telemetry to identify suspicious activity and improve detection rules using MITRE Attack framework
- Collaborate with IT, Information Security and business units to ensure detection rules cover emerging threats
- Continuously improve security posture by analyzing trends, implementing automation, and refining detection logic
- Support compliance and audit activities by ensuring security policies, controls, and reporting align with internal and external requirements
- Maintain and update security documentation, including runbooks, playbooks, and architecture diagrams
- Train and support internal teams on security best practices, threat awareness, and secure configuration standards
Requirements
- Excellent knowledge of Microsoft Defender XDR and Microsoft Sentinel
- 5+ years experience in incident response activities across IT and security domains
- Strong Knowledge of IT Security principles
- Strong knowledge of ITIL, ISO27001, NIST CSF, GDPR and DORA is preferred
- Proficient in SIEM and detection tools and scripting
- Strong process orientation: able to design, document, and roll out effective processes
- Certifications (ITIL, CISSP, CISM, etc.) are valued but not required
Benefits
- Competitive Salary, depending on your educational level and work experience
- Lunch, fresh juices & fruit
- Continuous growth potential and a training budget of €2,000 per year
- Trips & activities with your colleagues
- Relaxed and informal working environment
- Discount for membership of the Urban Sports Club
- Pension scheme
- In-house German and English courses with a native speaker and cover half of the costs
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
incident responseroot cause analysisthreat huntingdetection rulesautomationscriptingsecurity operationssecurity documentationsecurity policiessecurity best practices
Soft Skills
process orientationcollaborationtrainingcommunication
Certifications
ITILCISSPCISM