SOC Analyst

CloudFlare; Greater London; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading internet security company is seeking Security Operations Center Engineers to monitor and respond to security alerts, collaborating with engineering teams to mitigate issues. Candidates should have a strong understanding of internet protocols and experience with customer-facing support. This role includes 24/7 monitoring and communication with clients during active attacks. The company values diversity and offers a flexible on-call schedule.

Responsibilities

• Monitor and investigate proactive alerts to identify attacks.
• Work with Engineering and Operations teams to mitigate attacks.
• Communicate with customers via chat, email, and phone.
• Adhere to SOC SLAs for alert response and customer communication.
• Configure and manage security monitoring rules.

Skills

Strong understanding of internet protocols (TCP, UDP, ICMP, GRE, BGP)

Networking fundamentals

Analysis of traffic for attack anomaly detection

Experience handling attack mitigation

Command line / Bash shell proficiency

Customer Facing or Technical support experience

Strong communication skills

Ability to remain calm under pressure

Ability to work 24x7 rotating shifts

Sysadmin skills (Linux, Mac, Windows)

Knowledge of Cloudflare Security Products

Scripting skills (Python preferred)

Prometheus/Grafana monitoring experience

Packet capture tools (tcpdump, Wireshark)

API/GraphQL experience

Foundational Certifications: BTL1, ISC2 CC

Advanced Certifications: GCIH, GCIA, CISSP

Job description

Overview

At Cloudflare, we are on a mission to help build a better Internet. Cloudflare runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Our network routes web traffic through an intelligent global system that improves performance and reduces spam and other attacks.

We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new skills, and we are ready to help you do that. We cannot complete our mission without building a diverse and inclusive team. We hire the best people based on potential and support them throughout their time at Cloudflare. Come join us!

Available Locations: London, UK

About the Department

Security Operations Center Engineers provide premium-level support for Cloudflare's security products and features. Our largest and most technically sophisticated customers contact SOC for assistance and intelligence in dealing with threats or attacks on their infrastructure at OSI Layers 3, 4, and 7. This spans the range of Cloudflare security products from Magic Transit Infrastructure Protection, DDoS mitigation (including Advanced TCP Protection and Advanced DNS Protection), and Magic Firewall, to using the Web Application Firewall (WAF), Spectrum, Bot Management, API Security, and Rate Limiting to help customers.

Security Operations Center Analysts/Engineers analyze threats using customer-facing dashboards and internal tools, make detailed and informed suggestions for mitigation, and may implement mitigation strategies directly on behalf of the customer with appropriate approval. The team provides 24x7x365 proactive monitoring via our internal alerting systems, near real-time analysis of security events, and attack reporting beyond Cloudflare's self-service reports.

Responsibilities

• Monitor and investigate proactive alerts to identify attacks
• Work with Engineering and Operations teams to mitigate attacks, suggest steps to mitigate, and apply the appropriate mitigation when applicable
• Work with Engineering and Product teams to improve products and tools
• Communicate with customers via chat, email, and phone
• Review alerts to determine relevancy and urgency; create tracking tickets for incidents requiring review or escalation
• Adhere to SOC SLAs for alert response and customer communication
• Configure and manage security monitoring rules; contribute to tool and threshold improvements
• DDoS mitigation for OSI Layers 3, 4, & 7: filter malicious traffic using Cloudflare tools including Magic Transit, Magic Firewall, Advanced TCP Protection, WAF, Custom Rules, IP Access Rules, and Rate Limiting
• Maintain customer-specific SOC runbooks and escalation matrices
• Support SOC customer onboarding and deliver monthly security reviews

Key Skill Sets

• Strong understanding of internet protocols (TCP, UDP, ICMP, GRE, BGP)
• Networking fundamentals are crucial for success
• Analysis of traffic for attack anomaly detection and creation of mitigation rules
• Experience handling attack mitigation with knowledge of L3/4 and L7 attacks
• Command line / Bash shell proficiency
• Customer Facing or Technical support experience is mandatory
• Strong communication skills, including with VIP customers during active attacks
• Ability to remain calm under pressure
• Ability to work 24x7 rotating shifts
• Sysadmin skills - Linux, Mac, or Windows (Preferred)
• Knowledge of Cloudflare Security Products & Features (Preferred)
• Scripting skills, Python preferred (Preferred)
• Prometheus/Grafana monitoring experience (Preferred)
• Packet capture tools such as tcpdump or Wireshark (Preferred)
• API/GraphQL experience (Nice to have)
• Foundational Certifications: BTL1, ISC2 CC, Network+, Security+, CCNA Security, or equivalent (Highly Valued)
• Advanced Certifications: GCIH, GCIA, CISSP, CCNP, or equivalent (Considered a Plus)

On-call expectation: This role may require flexibility to be on-call outside of standard working hours to address technical issues as needed.

What Makes Cloudflare Special?

We’re not just a highly ambitious, large-scale technology company. We’re a highly ambitious, large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet.

Project Galileo: Since 2014, we've equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work, technology already used by Cloudflare’s enterprise customers—at no cost.

Athenian Project: In 2017, we created the Athenian Project to ensure that state and local governments have the highest level of protection and reliability for free, so that their constituents have access to election information and voter registration. Since the project, we've provided services to more than 425 local government election websites in 33 states.

1.1.1.1: We released 1.1.1.1 to help fix the foundation of the Internet by building a faster, more secure and privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service Cloudflare has ever released. Here’s the deal - we don’t store client IP addresses never, ever. We will continue to abide by our privacy commitment and ensure that no user data is sold to advertisers or used to target consumers.

Sound like something you’d like to be a part of? We’d love to hear from you!

Cloudflare is proud to be an equal opportunity employer. We are committed to providing equal employment opportunity for all people and place great value in both diversity and inclusiveness. All qualified applicants will be considered for employment without regard to race, color, religion, sex, gender, gender identity, gender expression, sexual orientation, national origin, ancestry, citizenship, age, physical or mental disability, medical condition, family care status, or any other basis protected by law. We are an AA/Veterans/Disabled Employer.

Cloudflare provides reasonable accommodations to qualified individuals with disabilities. If you require a reasonable accommodation to apply for a job, please contact us via e-mail at [e-mail] or via mail at 101 Townsend St. San Francisco, CA 94107.

How to apply

To express interest, please submit your resume and a brief cover letter outlining your relevant experience.