Security Engineer - Production & Enterprise Security

• Full-time
• Workplace Type:
  Hybrid

Linked In is the world's largest professional network, built to create economic opportunity for every member of the global workforce. Our products help people make powerful connections, discover exciting opportunities, build necessary skills, and gain valuable insights every day. We're also committed to providing transformational opportunities for our own employees by investing in their growth. We aspire to create a culture that's built on trust, care, inclusion, and fun – where everyone can succeed.

Join us to transform the way the world works.

At Linked In, our approach to flexible work is centered on trust and optimized for culture, connection, clarity, and the evolving needs of our business. The work location of this role is hybrid, meaning it will be performed both from home and from a Linked In office on select days, as determined by the business needs of the team.

This role will be hybrid in Linked In’s Mountain View office location.

Linked In's members entrust us with their information every day and we take their security seriously. Our core value of putting our members first powers all the decisions we make, including how we manage and protect the data of our members and customers. Information Security at Linked In is dedicated to protecting and securing business-critical member data and company assets. Our core mission is to empower Linked In to create a secure and thriving platform for every member of the global workforce.

The Production & Enterprise Security team strives to proactively safeguard our products, applications, cloud environments, and core engineering infrastructure by identifying, assessing, and mitigating security and privacy risks. We are dedicated to protecting our members by conducting security reviews, threat modeling, establishing secure software development lifecycle (SSDLC) controls, and building scalable automation to minimize potential risks across the company.

As a Staff Security Engineer on the Production & Enterprise Security team, you will strengthen the security posture of Linked In's core products, cloud infrastructure, and development workflows — leading threat modeling, designing and implementing secure-by-default frameworks, executing architecture reviews, and building scalable tooling to detect and mitigate application and platform vulnerabilities across the company.

Own and drive the secure software development lifecycle (SSDLC) and shift-left security controls across engineering platforms, including automated SAST/DAST scanning, software supply chain security, and CI/CD security guardrails.

Architect and build secure-by-default frameworks, paved roads, and developer guardrails for cloud infrastructure, microservices, authentication/authorization services, and core application components.

Build automation and security tooling that continuously identifies, reproduces, and mitigates application and cloud security vulnerabilities at scale; partner with Detection & Response on security logging, telemetry, and incident playbooks.

Lead threat modeling, architectural design reviews, and risk assessments for complex engineering systems and platforms. Partner with security and engineering teams to embed secure design patterns and risk mitigations into developer tooling and production services.

Define application and cloud security standards, reference architectures, and policies across product development, API design, data storage, and third-party integrations; drive secure adoption of cloud services and enterprise tools.

Drive cross-functional architecture and engineering decisions across platform engineering, security…