Staff SOC/CSIRT Engineer
Description For Staff SOC/CSIRT Engineer
Ledger, a leading platform in digital assets and Web3 founded in 2014, is seeking a Staff SOC/CSIRT Engineer to join their Security Operations Center. With offices across Paris, Vierzon, UK, US, Switzerland, and Singapore, Ledger has secured over 15% of the world's crypto assets through their hardware wallets.
The role focuses on advanced security operations within the SecOps team, operating independently from the Donjon team handling product security. As a Staff Engineer, you'll be responsible for protecting company assets against cyber threats across cloud, corporate, and datacenter environments. Your expertise will be crucial in optimizing Sekoia (SIEM), SOAR processes, and leveraging CTI and OSINT for enhanced detection and response capabilities.
This position is perfect for someone with deep technical skills in security operations, particularly in SOC Level 3 activities. You'll handle complex incidents, lead threat-hunting initiatives, and work with cutting-edge security tools. The role offers a unique opportunity to impact the security posture of a leading crypto security company while working with modern technologies like AWS, Wiz, and SentinelOne.
Ledger offers an attractive benefits package including equity participation, hybrid work arrangements, comprehensive health coverage, and generous vacation time. The company culture emphasizes pragmatism, audacity, commitment, trust, and transparency, making it an ideal environment for security professionals looking to make a significant impact in the digital assets space.
Responsibilities For Staff SOC/CSIRT Engineer
- Act as primary responder for SOC Level 3 activities, managing advanced threat detection and incident response
- Design, optimize, and maintain Sekoia (SIEM) and SOAR workflows
- Leverage CTI feeds and OSINT tools to enrich security operations
- Monitor and secure AWS cloud environments using tools like Wiz
- Lead technical investigations for high-priority incidents
- Create detailed playbooks, detection rules, and technical runbooks
Requirements For Staff SOC/CSIRT Engineer
- 9+ years of experience in security operations
- Expertise with Sekoia (or similar SIEM tools), SOAR platforms, and CTI/OSINT methodologies
- Strong knowledge of AWS security, including IAM, VPC configurations
- Hands-on experience with Wiz, SentinelOne (EDR), and GitHub Actions
- Exceptional analytical and problem-solving skills
- Excellent communication skills
Benefits For Staff SOC/CSIRT Engineer
- Stock options
- Hybrid work policy
- Annual company outing (Ledgerdary Days)
- Comprehensive health insurance (medical, dental, vision)
- Personal development and coaching
- Five weeks paid leave plus holidays and RTT days
- High performance office equipment including Apple products
- Transportation reimbursement
- Employee product discounts
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