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Posted Apr 17, 2026

CSOC Analyst

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Fastly is a company that helps people stay better connected through its edge cloud platform. They are seeking a CSOC Analyst to act as a frontline defender for their global enterprise customers by monitoring traffic, detecting anomalies, and implementing real-time mitigations against various cyber threats. Responsibilities - Lead the identification and mitigation of high-impact security events - Analyze sophisticated traffic patterns and implement precise countermeasures, including rate limiting and custom WAF & Security rules to neutralize threats in real-time - Serve as a primary security consultant for MSS Customers - Continuously tune and refine security policies to optimize detection accuracy and maintain a hardened security posture tailored to each client's unique environment - Conduct data-driven investigations using log analysis to uncover potential threats and hardening opportunities - Author comprehensive After Action Reports (AARs) and monthly security summaries - Translate complex telemetry and attack data into high-level actionable insights for customer stakeholders - Act as the Subject Matter Expert (SME) during active security incidents - Provide clear, calm, and professional guidance via real-time communication channels, ensuring customers are informed and confident in our defensive strategy Skills - Web Security Expertise: Comprehensive understanding of the OWASP Top 10 and advanced attack vectors (e.g., Credential Stuffing, API Abuse, and Layer 7 DDoS). You can interpret raw payloads to distinguish between malicious intent and legitimate traffic - Protocol Proficiency: Deep technical knowledge of the internet stack, specifically HTTP/S, TCP/IP, DNS, and TLS. You should be comfortable analyzing handshake processes, header structures, and status codes - Analytical Rigor: A methodical approach to digital forensics and incident response. You possess the ability to correlate disparate data points within JSON or CSV logs to reconstruct an attack narrative - Communication Excellence: The ability to distill complex technical findings into concise, professional, and empathetic communications for both technical and non-technical audiences - Proficiency in Python or Bash for log parsing and workflow automation - Experience with Infrastructure as Code/Security as Code(SaC) (Terraform) or edge-based configurations - Industry-standard certifications such as CompTIA CySA+, GCIH, or Security+ Benefits - Medical, dental, and vision insurance - Family planning - Mental health support along with Employee Assistance Program - Insurance (Life, Disability, and Accident) - A Flexible Vacation policy - Up to 18 days of accrued paid sick leave - 401(k) (including company match) - Employee Stock Purchase Program - 12 paid local holidays - 12 paid company wellness days Company Overview - Fastly helps digital businesses keep pace with their customer expectations by delivering secure and online experiences. It was founded in 2011, and is headquartered in San Francisco, California, USA, with a workforce of 1001-5000 employees. Its website is http://www.fastly.com. Company H1B Sponsorship - Fastly has a track record of offering H1B sponsorships, with 4 in 2026, 9 in 2025, 11 in 2024, 7 in 2023, 12 in 2022, 6 in 2021, 5 in 2020. Please note that this does not guarantee sponsorship for this specific role.
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