Principal Network Security Engineer

Every day tens of millions of people come to Roblox to explore create play learn and connect with friends in 3D immersive digital experiences all created by our global community of developers and creators.

At Roblox were building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together from anywhere in the world and on any device. Were on a mission to connect a billion people with optimism and civility and looking for amazing talent to help us get there.

A career at Roblox means youll be working to shape the future of human interaction solving unique technical challenges at scale and helping to create safer more civil shared experiences for everyone.

Roblox runs a global scale network with a number of data centers and public clouds to provide services to millions of users and creates a broad threat landscape. As a Principal Security Software Engineer on the Network Security pod you will help shape and implement our network security strategy and controls. Youll have a big impact while collaborating with security and cross-functional teams to secure our networks protect our services and platforms.

In this role youll work closely with other people in the Information Security (InfoSec) team as well as partner with multiple Roblox infrastructure engineering teams.

• Identify security vulnerabilities & gaps in our network infrastructure propose solutions and drive engineering effort for implementation partner with our infrastructure teams on improvements.
• Design develop and optimize novel solutions & systems using your software engineering skills and system thinking to protect Robloxs networks from external threats and internal risks.
• Provide design reviews & guidelines from network security perspective for Robloxs tools services and platforms.

• 8 years: of relevant professional experience.
• Programming Proficiency: Able to write high-performance code for large scale distributed services with at least one programming language such as Golang or C and you are eager to learn new languages and technologies.
• Hands-on experience: Designing and building production level services in fields of networking and security such as L4/L7 network proxies load balancers IDS/IPS firewalls etc.
• In-depth knowledge of: Network routings and protocols (TCP/UDP DHCP DNS etc.) attack vectors techniques and remediations.
• Experience with: advanced packet processing technologies and frameworks such as DPDK eBPF is a big plus.

• Collaborative: You love working with your direct team and cross-functional partners.
• A Self-driving Software Engineer: Youre well-versed in the depths of networks or security with hands-on experience in building high performance and reliable systems.
• Comfortable with ambiguity: You can gather data and make informed decisions when there is no clear answer.
• Eager to solve hard problems: You challenge the status quo when it no longer makes sense and dont shy away from big challenges.