Incident Response Engineer, SIRT

Incident Response Engineer, SIRT

At Cloudflare, we are on a mission to help build a better Internet. Today the company 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. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine's Top Company Cultures list and ranked among the World's Most Innovative Companies by Fast Company.

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 an evaluation of their potential and support them throughout their time at Cloudflare. Come join us!

Available Location

Hybrid: Lisbon, Portugal

Team Mission

The Security Response Team's mission is to respond to security threats and to safeguard Cloudflare. We operate 24/7 across the globe to respond to security incidents, continuously improve our response capabilities, lead digital investigations and enhance our overall security posture. Our "Cloudflare on Cloudflare", data and automation first philosophy makes us a cohesive team with high impact.

The Role

The Incident Response Engineer role on the Security Response Team focuses on triaging alerts, refining security processes and leading critical incidents—from threat detection and cyber-attack analysis to containment and forensics. This role collaborates with IT, Engineering, Product, and Legal teams to build scalable response systems, leveraging expertise in tooling, automation, custom log analysis, and SIEM systems. Additionally, it requires effective communication of technical topics to a non-technical audience and participation in a shared on-call rotation with rotating weekend and holiday shifts.

Responsibilities

• Monitor and investigate security and privacy incidents, vulnerabilities, and threats, and take appropriate action to mitigate risks and minimize potential impact.
• Partake in incident response on-call schedule.
• Make critical decisions during incidents, balancing the need for rapid response with thorough analysis and risk assessment.
• Support log analysis to identify indicators of compromise and anomalous behavior across various systems, networks, and applications.
• Help in analyzing and interpreting system and network logs, and other relevant data sources to identify and track potential threats.
• Automate manual tasks using standard tools or by developing custom scripts.
• Design, build and introduce processes to automate data collection and processing.
• Design, build and introduce processes to automatically produce reports based on collected data.
• Design, build and introduce mechanisms to clean up existing data.
• Monitor and maintain existing automations.

Requirements

• Understanding of log analysis, email (SPAM, phishing), Operating System security and Incident Response.
• Good documentation and reporting skills, with the ability to prepare reports.
• Strong understanding of cybersecurity concepts.
• Programming and scripting skills in languages such as Javascript, Python, Bash and/or SQL.
• Ability to analyze and interpret security data, identify trends, patterns, and anomalies, and provide actionable recommendations.
• Ability to hunt for anomalous activity within a wide set of data.
• Great verbal/written communication, problem solving, analytical and judgment skills to support an environment driven by teamwork.
• Ability to work in a high speed and high pressure environment.

Examples Of Desirable Skills And Experience

• Experience in Incident response, including triage and investigation of security incidents.
• Workflow automation with tools like Jira.
• Programming experience (Javascript, Bash, Python, or Golang).
• DevOps and configuration management with tools like Terraform, Ansible, git, and CI/CD pipelines.
• Experience with Cloudflare's development platform.
• Knowledge of EDR tools like Crowstrike.
• Experience with SIEM tools.

Sound like something you'd like to be a part of? We'd love to hear from you! This position may require access to information protected under U.S. export control laws, including the U.S. Export Administration Regulations. Please note that any offer of employment may be conditioned on your authorization to receive software or technology controlled under these U.S. export laws without sponsorship for an export license. 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 their, or any other person's, perceived or actual 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. Please tell us if you require a reasonable accommodation to apply for a job. Examples of reasonable accommodations include, but are not limited to, changing the application process, providing documents in an alternate format, using a sign language interpreter, or using specialized equipment. If you require a reasonable accommodation to apply for a job, please contact us via e-mail at hr@cloudflare.com or via mail at 101 Townsend St. San Francisco, CA 94107.