Job Summary:
SHEIN Distribution Corporation is a global online fashion retailer committed to making fashion accessible to all. They are seeking a Senior Security Engineer to build and mature the security foundations that support their global business, focusing on PKI and cryptography infrastructure while also contributing to security architecture and design decisions.
Responsibilities:
• Own and mature PKI and cryptography infrastructure across enterprise and cloud environments.
• Define and improve standards, guardrails, and reference patterns for certificate issuance, renewal, revocation, and trust management.
• Support and enhance certificate-based authentication systems, including network/device-related use cases, and code-authentication.
• Build automation and operational tooling to improve reliability, visibility, and lifecycle management.
• Partner with engineering and infrastructure teams early in the design process to help implement secure, practical solutions.
• Contribute to security architecture reviews and design decisions across cloud, infrastructure, and platform initiatives — helping engineering teams build secure systems from the ground up.
• Contribute to security design reviews for initiatives related to PKI, cryptography, and adjacent security infrastructure.
• Troubleshoot PKI and cryptography related production issues, perform root cause analysis, and help drive durable remediation.
• Mentor other security engineers through design feedback, implementation guidance, and operational best practices.
• Partner with audit and GRC teams to ensure cryptography- and identity related controls are implemented and evidenced in a sustainable way.
Qualifications:
Required:
• 5+ years of security engineering experience, including meaningful hands-on work in PKI, cryptography infrastructure, or closely related security engineering domains.
• Strong practical experience managing production PKI environments, including: CA hierarchy certificate lifecycle across devices and services certificate-based authentication troubleshooting trust, issuance, and renewal failures at scale.
• Experience with NAC-related certificate authentication and technologies such as ClearPass, NDES, SCEP, or similar systems.
• Experience contributing to security architecture reviews: evaluating security controls, advising on secure design decisions, and helping engineering teams build systems that are secure by default.
• Familiarity with authentication protocols (SAML, OAuth 2.0, OIDC, LDAP) as they relate to certificate-based authentication and PKI integration.
• Proficiency in Python, Go, or similar languages for automation, tooling, and workflow improvement.
• Ability to make sound security design decisions and work directly with engineers to turn those decisions into practical implementations.
• Strong communication skills and the ability to collaborate effectively across teams, functions, and time zones.
Preferred:
• Experience contributing to security architecture documentation, design reviews, or security control frameworks.
• Familiarity with relevant security and compliance frameworks such as SOC 2, ISO 27001, NIST, or privacy/security control implementation in regulated environments.
• Certifications such as CISSP or CCSP.
Company:
SHEIN is a global online fashion and lifestyle retailer, offering SHEIN branded apparel and products from a global network of vendors, all at affordable prices. Founded in 2008, the company is headquartered in Los Angeles, USA, with a team of 10001+ employees. The company is currently Late Stage.