Principal Network Security Engineer

About the Role

Roblox runs a global scale network with a number of data centers and public clouds to provide services to millions of users, creating 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. You'll collaborate with security and cross-functional teams to secure our networks and protect our services and platforms.

In this role, you’ll work closely with team members across Information Security (InfoSec) and partner with multiple Roblox infrastructure engineering teams.

Responsibilities

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

Qualifications

• 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 eager to learn new languages and technologies.
• Hands-on experience: Designing and building production-level services in networking and security (such as L4/L7 network proxies, load balancers, IDS/IPS, firewalls, etc.).
• In-depth knowledge: Network routing and protocols (TCP/UDP, DHCP, DNS, etc.), attack vectors, techniques, and remediations.
• Experience with: Advanced packet processing technologies and frameworks, such as DPDK or eBPF, is a big plus.

Work Arrangement

Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday.