Principal Security Engineer (Cryptography & PKI)

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Bengaluru, Bengaluru Urban, Karnataka, IND
Hybrid
Cloud • Information Technology • Security • Software • Cybersecurity
Helping Build a Better Internet
The Role
Location(s) Available: Bengaluru
About The Team
Join Cloudflare's Security Architecture Team with the following with the foll focus areas :
  • Strategic Alignment: Translates the Organisations Cyber risk tolerance into specific technical blueprints and implements controls/prescriptive policies in mitigation/managing or remediating these risks
  • Preventative Focus: Focuses on "shifting left" to fix architectural flaws before they become bigger risks or cost
  • Technical Consulting: Acts as internal subject matter experts for Procurement (TPRM) and Engineering teams.

About the role/What You'll Do
  • Provide input on technical security requirements for new infrastructure and engineering initiatives.
  • Assist with documentation and maintenance of the corporate security architecture blueprints.
  • Participate in the design of robust PKI hierarchies (Root CAs, Intermediate CAs, Issuing CAs) and certificate policies, selecting appropriate hardware (HSMs) and software for scalable, secure deployments.
  • Provide security guidance and review of the deployment of encryption solutions across systems, applications, and networks.
  • Provide security guidance and review of the end-to-end lifecycle of cryptographic keys and digital certificates, including generation, secure storage, rotation, usage, backup, revocation and destruction.
  • Conduct analysis of existing encryption and management solutions to find weaknesses and identify gaps.
  • Ensure encryption implementations meet industry standards (e.g., NIST, FIPS) and compliance mandates (e.g., GDPR, HIPAA).
  • Document security requirements and architectural decisions.
  • Assist with defining security policies and standards, enforcing best practices, conducting risk assessments, and ensuring compliance with regulations.
  • Work with CISO, IT teams, developers, and engineers to implement secure designs.

Requirements
  • Either advanced studies in Cybersecurity, Computer Science, Information Systems, or similar
  • Excellent written and verbal communication skills, including the ability to effectively collaborate with technical and senior business staff and management.
  • 12+ years of experience in information security, with 7+ years focused on applied cryptography and Public Key Infrastructure (PKI).
  • Expert-level knowledge of cryptographic primitives, algorithms (AES, RSA, ECC), hashing functions, and digital signature standards.
  • Proven experience designing and deploying Hardware Security Modules (HSMs) and enterprise Key Management Systems (KMS).
  • Strong understanding of regulatory and compliance frameworks related to data protection and packaging

Preferred
  • Certifications: CISSP, CISM, or CCSP.
  • Experience with cloud-native KMS solutions (e.g., AWS KMS, Azure Key Vault, GCP Cloud KMS).
  • Worked on similar organisations in the past as Cloudflare

Fraud Alert: Do not fall victim to recruitment fraud. Cloudflare never charges application fees or requires candidates to purchase third-party certifications or training as a condition of employment. All official communication comes strictly from @cloudflare.com email addresses.

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The Company
HQ: San Francisco, CA
4,400 Employees
Year Founded: 2010

What We Do

Cloudflare, Inc. (NYSE: NET) is the leading connectivity cloud company on a mission to help build a better Internet. It empowers organizations to make their employees, applications and networks faster and more secure everywhere, while reducing complexity and cost. Cloudflare’s connectivity cloud delivers the most full-featured, unified platform of cloud-native products and developer tools, so any organization can gain the control they need to work, develop, and accelerate their business. Powered by one of the world’s largest and most interconnected networks, Cloudflare blocks billions of threats online for its customers every day. It is trusted by millions of organizations – from the largest brands to entrepreneurs and small businesses to nonprofits, humanitarian groups, and governments across the globe.

Why Work With Us

Cloudflare employees come from all walks of life. We are mission-driven, and our team is energized by a collaborative, creative environment that celebrates our differences and fosters new ways to grow together.

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