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Senior Security Systems Reliability Engineer

Cloudflare runs one of the world's largest networks that powers millions of websites and Internet properties, protecting and accelerating online applications without hardware or software changes.
Security
Senior Software Engineer
Hybrid
1,000 - 5,000 Employees
5+ years of experience
Cybersecurity · Enterprise SaaS

Job Description

Cloudflare is seeking a Senior Security Systems Reliability Engineer to join their Security team in Lisbon, Portugal. This role combines security expertise with SRE principles, focusing on designing and maintaining secure infrastructure across the organization. The position involves working with cutting-edge technologies including Kubernetes, cloud platforms, and security tools integrated into CI/CD pipelines.

As a Security SRE, you'll be responsible for ensuring systems are secure, highly available, and fault-tolerant while scaling to meet business needs. The role requires expertise in infrastructure as code, system administration, and security practices. You'll work on documenting procedures, implementing security baselines, and performing critical maintenance and disaster recovery testing.

Cloudflare runs one of the world's largest networks, protecting millions of websites and Internet properties. The company is committed to building a better Internet through innovative security solutions and maintains a strong focus on privacy and user protection. They've launched significant initiatives like Project Galileo to protect journalism and civil society organizations, and the Athenian Project to secure election websites.

The ideal candidate will have strong experience with Linux systems, cloud platforms (GCP/AWS/Azure), and modern DevOps tools like Kubernetes and Terraform. Programming skills in Python, Golang, or similar languages are essential. The role offers an opportunity to work on large-scale systems while contributing to Cloudflare's mission of helping build a better Internet.

Cloudflare values diversity and inclusiveness, providing equal employment opportunities and supporting employees throughout their careers. The company offers comprehensive benefits and maintains a strong commitment to privacy and security in all aspects of their operations.

Last updated a month ago

Responsibilities For Senior Security Systems Reliability Engineer

  • Design, implement, and maintain secure infrastructure across various environments
  • 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 knowledge sharing within the company

Requirements For Senior Security Systems Reliability Engineer

Kubernetes
Python
Linux
  • 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)
  • Extensive experience with deploying and administering Kubernetes in an enterprise environment
  • Extensive experience developing and utilizing Terraform
  • Extensive experience with deploying and administering Linux systems
  • Experience with GCP, AWS or Azure
  • Advanced programming experience (Python, Golang, Bash, etc.)
  • Strong analytical skills
  • Experience implementing security tools within CI/CD pipeline

Benefits For Senior Security Systems Reliability Engineer

Medical Insurance
Dental Insurance
Vision Insurance
  • Medical Insurance
  • Dental Insurance
  • Vision Insurance

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