CSOC Analyst

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 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.