Senior Security Systems Reliability Engineer
Overview
Senior Security Systems Reliability Engineer at Cloudflare. This role focuses on designing, implementing, and maintaining secure, highly available,
- tolerant infrastructure and security technologies.
Responsibilities
- Design, implement, and maintain secure infrastructure across various environments (non-production and production).
- Ensure resilient and secure designs are implemented and maintained.
- Drive continuous improvement while maintaining multiple environments.
- Ensure systems meet performance expectations.
- Engage in proactive risk management and incident response planning.
- Develop or utilize automation to streamline repeatable tasks.
- Ensure company data is managed in a secure and scalable manner.
- Contribute to the creation and dissemination of knowledge about the designs within the company.
Qualifications
- Bachelor's degree in Computer Science, Information Systems, Cybersecurity, related technical field, or equivalent practical experience
- Experience performing the functions of a Site Reliability Engineer (SRE).
- Ability to clearly communicate complex security requirements to stakeholders at all levels
- Ability to navigate ambiguity, and provide clarity to complex situations
- Extensive experience with deploying and administering Kubernetes in an enterprise environment
- Extensive experience developing and utilizing Terraform to deploy and update environments through infrastructure as code (Ia
C) - Extensive experience with deploying and administering Linux systems in an enterprise environment
- Extensive experience deploying and administering enterprise solutions in GCP, AWS or Azure
- Experience implementing, integrating, and supporting application security tools within a CI/CD pipeline environment
- Solid understanding of reliability engineering principles and a commitment to continuous improvement
- Experience writing scripts, leveraging automation, and creating infrastructure as code to streamline processes
- Advanced programming experience (Python, Golang, Bash, etc. )
- Strong analytical skills focused on service availability with curiosity and thoroughness in
- solving - Ability to navigate ambiguity, bring clarity to complex situations, and collaborate effectively with various stakeholders
- Experience working with different security functions as part of a wider team
Bonus Points
- Strong Linux system experience from
- space to
- space - Cross-functional governance experience with programs like PCI-DSS, Fed
RAMP - Proficient in managing Application Security related technologies like Veracode, Checkmarx, Sonar
Qube, Snyk, Semgrep, Fortify, or Coverity integrated into CI/CD pipelines - Experience with deploying and administering Cloudflare products (access, tunnels, waf)
- Experience working with large data platforms
- Experience working with data classification schemas at scale
- Experience working with organization wide business ecosystems (Google, Microsoft)
About Cloudflare
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.
Equality and Accommodation
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. Please tell us if you require a reasonable accommodation to apply for a job. Examples of reasonable accommodations include 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
- mail at hr@cloudflare.com or via mail at 101 Townsend St. San Francisco, CA 94107.
Seniority level
- Mid-Senior level
Employment type
- Full-time
Job function
- Engineering and Information Technology
Industries
- IT Services and IT Consulting
- Technology, Information and Internet
- Computer and Network Security
- Informações detalhadas sobre a oferta de emprego
Empresa: Cloudflare Localização: Lisboa
Lisboa, Lisboa, PortugalPublicado: 31. 10. 2025
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