CSOC Analyst
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Job Summary
Fastly helps people stay better connected with the things they love. Fastlys edge cloud platform enables customers to create great digital experiences quickly securely and reliably by processing serving and securing our customers applications as close to their end-users as possible at the edge of the Internet. The platform is designed to take advantage of the modern internet to be programmable and to support agile software development. Fastlys customers include many of the worlds most prominent companies including GitHub Yelp Paramount and JetBlue.
Were building a more trustworthy Internet. Come join us.
CSOC Analyst - London UK
Fastly is seeking a CSOC Analyst to join our dedicated Customer Security Operations this role you will be a frontline defender for Fastlys global enterprise customers. You will leverage our edge cloud platform and an array of security products in monitoring traffic detect sophisticated anomalies and deploy real-time mitigations against DDoS Bot and Web Application attacks.
This is a high-impact role where you act as a strategic partner for our Managed Security Service (MSS) clients providing the expert visibility and rapid response necessary to address internet-scale threats.
What youll Do:
Active Incident Response: Lead the identification and mitigation of high-impact security events. You will analyze sophisticated traffic patterns and implement precise countermeasures including rate limiting and custom WAF & Security rules to neutralize threats in real-time.
Managed Security Delivery: Serve as a primary security consultant for MSS Customers. This involves continuous tuning and refining of security policies to optimize detection accuracy and maintaining a hardened security posture tailored to each clients unique environment.
Advanced Threat Hunting: Conduct data-driven investigations using log analysis to uncover potential threats and hardenings opportunities
Security Intelligence & Reporting: Author comprehensive After Action Reports (AARs) and monthly security summaries. You will translate complex telemetry and attack data into high-level actionable insights for customer stakeholders.
Strategic Communication: Act as the Subject Matter Expert (SME) during active security incidents. You will provide clear calm and professional guidance via real-time communication channels ensuring customers are informed and confident in our defensive strategy.
What we are looking for:
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.
Well be super impressed if you have experience in any of these:
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.
Work Hours: This position will require you to be available during core business hours 9am - 6pm
Work Location(s) & Travel Requirements: This position is a hybrid role (twice a week in office) and open to candidates residing in the following location: London
Why Fastly
We have a huge impact.Fastly is a small company with a big reach. Not only doour customershave a tremendous user base but we also support a growing number ofopen source projects and of code employees are encouraged to share causes close to their heart with others so we can help lend a supportive hand.
We love distributed teams. Fastlys home-base is in San Francisco but we have multiple offices and employees sprinkled around the globe. As a new hire you will be able to attend our IN-PERSON new hire orientation in our San Francisco office! It is an exciting week-long experience that we offer to new employees to build connections with colleagues across Fastly participate in hands-on learning opportunities and immerse yourself in our culture firsthand.
We value diversity.Growing and maintaining our inclusive and diverse team matters to us. We are committed to being a company where our employees feel comfortable bringing their authentic selves to work and have the ability to be successful -- every day.
We are passionate.Fastly is chock full of passionate people and were not one size fits all. Fastly employs authors pilots skiers parents (of humans and animals) makeup geeks coffee connoisseurs and more. We love employees for who they are and what they are passionate about.
Were always looking for humble sharp and creative folks to join the Fastly team. If you think you might be a fit please apply! A fully completed application and resume or CV are required when applying.
All job applications must be submitted through our official careers site at We will never request sensitive information such as your Social Security number bank account or credit card information during the application process. All official communication will come from an @ or @ email address.
Fastly is committed to ensuring equal employment opportunity and to providing employees with a safe and welcoming work environment free of discrimination and harassment. Our employment decisions are based on business needs job requirements and individual qualifications. All qualified applicants will receive consideration for employment without regard to age ancestry color family or medical care leave gender identity or expression genetic information marital status medical condition national origin family or parental status physical or mental disability political affiliation protected veteran status race religion sex (including pregnancy) sexual orientation or any other characteristic protected by applicable laws regulations and ordinances.
Consistent with the Americans with Disabilities Act (ADA) and federal or state disability laws Fastly will provide reasonable accommodations for applicants and employees with disabilities. If reasonable accommodation is needed to participate in the job application or interview process to perform essential job functions and/or to receive other benefits and privileges of employment please contact your Recruiter or the Fastly Employee Relations team at or .
Fastly collects and processes personal data submitted by job applicants in accordance with ourPrivacy Policy. Please see ourprivacy notice for job applicants.
Required Experience:
IC
Key Skills
- ArcGIS
- Intelligence Community Experience
- GIS
- Python
- Computer Networking
- Data Collection
- Intelligence Experience
- R
- Relational Databases
- Analysis Skills
- Data Management
- Application Development
About Company
Fastly, Inc. is an American cloud computing services provider. Fastly's edge cloud platform provides a content delivery network, Internet security services, load balancing, and video & streaming services.
