CSOC Analyst

Posted 2026-05-06
Remote, USA Full-time Immediate Start

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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