Roku - Senior Cyber Security Analyst

Description :

About the Role :

The Senior Cyber Security Analyst will play a critical role in our Security Operations Center (SOC), responsible for real-time monitoring, threat detection, and incident response across our global infrastructure.

You'll lead investigations, manage our SIEM solution, and continuously improve our security posture.

Key Responsibilities :

- Monitor, analyze, and triage security alerts and events using a SIEM platform (Splunk or QRadar).

- Lead Security Incident Response (IR) activities, including containment, eradication, recovery, and root cause analysis for confirmed breaches.

- Conduct regular Vulnerability Assessments and Penetration Testing on applications and infrastructure.

- Manage and fine-tune security controls, including IDS/IPS, Firewalls, WAF, and Endpoint Protection systems.

- Develop and maintain custom detection rules, playbooks, and security automation scripts (SOAR).

- Ensure compliance with regulatory frameworks (ISO 27001, SOC 2, GDPR) and security best practices.

Required Technical Skills :

Security Operations : Expertise in Security Incident and Event Management (SIEM) tools (e.g., Splunk ES, Sentinel, QRadar).

Network Security : Strong understanding of TCP/IP, network protocols, Firewalls, VPNs, IDS/IPS, and network traffic analysis.

Vulnerability & Testing : Hands-on experience with Vulnerability Assessment and Penetration Testing tools (e.g., Nessus, Metasploit, Burp Suite).

OS & Cloud Security : Solid knowledge of security hardening for Linux/Windows and cloud environments (AWS/Azure/GCP security services).

Scripting : Proficiency in a scripting language like Python or PowerShell for security automation and analysis.

Certifications (Preferred) : Relevant certifications such as CISSP, CEH, CompTIA Security+, or OSCP