At Linkedin, our vision as the SecInfra team is to ensure that every resource at LinkedIn is provided a non-repudiable identity that is used for secure inter service communication, every access to data at LinkedIn is safe and all secret material is cryptographically protected. Our mission is to make this security infrastructure intuitive, performant, and secure. We build highly reliable and scalable services and developer-friendly infrastructure that enable engineering teams across the company to create and integrate secure features and proactively protect our members’ data. We are responsible for securing all microservices, nodes and large scale data systems in Linkedin’s ecosystem.

We are looking for a motivated software engineer to join the PKI team to help us realize our vision to ensure that we provide infrastructure that is secured by default and applied everywhere across the Linkedin ecosystem. This team is responsible for ensuring the foundations of trust by establishing trust between nodes, managing identities and their lifecycle, managing CA and its infrastructure and securing the root of trust. This, combined with LinkedIn’s massive scale, is an exciting space to be a part of right now.

The team is at an exciting juncture with a multi-year roadmap focused on building secure and usable authentication and authorization solutions that directly impact the entirety of LinkedIn’s infrastructure. You will be empowered to play a key role in helping us execute on our roadmap and vision. We are looking for an engineer with sound technical acumen and the enthusiasm to learn, grow, and lead.

Responsibilities:

• You will design and develop secure, performant, and user intuitive solutions for security infrastructure at LinkedIn’s massive scale that operate 24x7.
• You will drive rapid product innovation and delivery while maintaining engineering excellence
• You will embrace and champion engineering best practices
• You will produce high quality software that is unit tested, code reviewed, and checked in regularly for continuous integration.
• You will drive continuous self-development through curiosity, learning, and a desire to excel
• You will participate in design and code reviews to maintain our high development standards.
• You will partner with peers, leads and internal customers to define scope, prioritize and build cross organizational impactful features at a high velocity.
• You will mentor other engineers and will help build a fast-growing team.
• You will work closely with the open-source community to participate and influence cutting edge open-source projects (e.g., SPIRE, HSM).

Qualifications Basic Qualifications:

• BA/BS Degree in Computer Science or related technical discipline, or related practical experience.
• 3+ years of industry experience in software design, development, and algorithm related solutions.
• 3+ years' experience programming in object-oriented languages such as Java, C++, Python, Go, Rust, C# and/or other relevant coding languages
• Hands on experience developing distributed systems, large-scale systems, databases and/or Backend APIs
• Experience in infrastructure, CI/CD pipeline

Preferred Qualifications:

• BS and 5+ years of relevant work experience, MS and 4+ years of relevant work experience, or PhD and 2+ years of relevant work experience
• Experience in architecting, building, and running large-scale distributed systems
• Experience in infrastructure, CI/CD pipeline and Kubernetes
• Prior experience with Security and/or Cryptography strongly preferred, such as secure key management, PKI/CA lifecycle management, TLS/mutual TLS.
• Experience with industry, opensource, and/or academic research in technologies such as Kubernetes, SPIFFE, SPIRE, GRPC, cert-manager.
• Experience with open-source project management and governance
• Knowledge of, or strong interest in learning, Linux runtime security primitives such as secure/measured boot, SELinux, AppArmor, seccomp, and related kernel hardening mechanisms
• Knowledge of, or strong interest in learning, hardware security elements such as Hardware Security Modules (HSMs), Trusted Platform Modules (TPMs), and secure enclaves

Suggested Skills:

• Distributed systems
• Backend Systems Infrastructure
• Java/Golang/Rust/Python

You will Benefit from our Culture

We strongly believe in the well-being of our employees and their families. That is why we offer generous health and wellness programs and time away for employees of all levels. LinkedIn is committed to fair and equitable compensation practices. The pay range for this role is $125,000 - $206,000. Actual compensation packages are based on a wide array of factors unique to each candidate, including but not limited to skill set, years & depth of experience, certifications and specific office location. This may differ in other locations due to cost of labor considerations. The total compensation package for this position may also include annual performance bonus, stock, benefits and/or other applicable incentive compensation plans. For additional information, visit: https://careers.linkedin.com/benefits.

Additional Information Equal Opportunity Statement We seek candidates with a wide range of perspectives and backgrounds and we are proud to be an equal opportunity employer. LinkedIn considers qualified applicants without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, marital status, pregnancy, sex, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.

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• Documents in alternate formats or read aloud to you
• Having interviews in an accessible location
• Being accompanied by a service dog
• Having a sign language interpreter present for the interview

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