Senior Software Engineer - Security Infrastructure

LinkedIn 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 LinkedIn, we trust each other to do our best work where it works best for us and our teams. This role offers a hybrid work option, meaning you can both work from home and commute to a LinkedIn office, depending on what's best for you and when it is important for your team to be together.

Securing data is core to building a secure production infrastructure and thereby ensure the trust of our members. 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 of LinkedIn's microservices and large scale data systems such as Kafka and LinkedIn's NoSQL data stores.

We are looking for a motivated software engineer to join the Security Infrastructure team to help us realize our vision to ensure that every access to data at LinkedIn is safe. This team is responsible for ensuring service identity is fully managed, strongly attested and all communication across LinkedIn's infrastructure is authenticated and access controlled. We provide the controls and guardrails necessary for microservices in LinkedIn to interact with each other in a trusted manner. 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 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:

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

Basic Qualifications:

• BA/BS Degree in Computer Science or related technical discipline, or related practical experience
• 2+ years of industry experience in software design, development, and algorithm related solutions
• 2+ 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

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
• Prior experience with Security and/or Cryptography strongly preferred
• Experience with industry, opensource, and/or academic research in technologies such as Kubernetes, SPIRE, GraphQL, GRPC, Apache Kafka, cert-manager
• Experience with open-source project management and governance

Suggested Skills:

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