Cloudflare · 1 month ago
Senior Security Systems Reliability Engineer
Hybrid
Full-time
Hybrid
Senior LevelCloudflare is on a mission to help build a better Internet and runs one of the world’s largest networks. The Senior Security Systems Reliability Engineer will be responsible for designing, implementing, and managing secure infrastructure and security technologies to ensure systems are secure, highly available, and fault tolerant.
AnalyticsEnterprise SoftwareSecurityWeb Hosting
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
Qualification
Required
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 (IaC)
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 problem-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
Preferred
Strong Linux system experience from user-space to kernel-space
Cross-functional governance experience with programs like PCI-DSS, FedRAMP
Proficient in managing Application Security related technologies like Veracode, Checkmarx, SonarQube, 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)
Company
Cloudflare
Cloudflare is a web performance and security company that provides online services to protect and accelerate websites online.
Founded in 2009
1001-5000 employees
H1B Sponsorship
Cloudflare has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (117)
2024 (115)
2023 (66)
2022 (98)
2021 (83)
2020 (37)
Funding
Current Stage
Public CompanyTotal Funding
$2.08BKey Investors
Franklin TempletonFidelityUnion Square Ventures
2025-06-13Post Ipo Debt· $1.75B
2019-09-12IPO
2019-03-12Series E· $150M
Leadership Team
Matthew Prince
CEO & Co-Founder
Lee Holloway
Co-Founder & Lead Engineer
Recent News
Winnipeg Free Press
2026-01-09
San Francisco Chronicle
2026-01-09
2026-01-09
Company data provided by crunchbase