Principal Network Security Engineer

Location: San Mateo, California, United States. Office-based roles are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday.

Salary: $326,060–$385,050 USD annual base pay. Full-time employees are also eligible for equity compensation and benefits.

Company

Roblox builds a global-scale platform and tools for creating and sharing 3D immersive digital experiences.

What you will do

• Identify vulnerabilities and security gaps in network infrastructure, propose solutions, and drive implementation with infrastructure engineering teams.
• Design, develop, and optimize high-performance network security systems that protect networks from external threats and internal risks.
• Build novel solutions for large-scale distributed services using software engineering and systems thinking.
• Provide network security design reviews and guidelines for tools, services, and platforms.
• Collaborate with the Information Security team and multiple infrastructure engineering teams.

Requirements

• 8+ years of relevant professional experience.
• Ability to write high-performance code for large-scale distributed services in at least one language such as Golang or C++, with willingness to learn new languages and technologies.
• Hands-on experience designing and building production-level networking and security services, including L4/L7 network proxies, load balancers, IDS/IPS, and firewalls.
• In-depth knowledge of network routing and protocols, including TCP/UDP, DHCP, and DNS.
• Knowledge of attack vectors, techniques, and remediations.
• Hands-on experience building high-performance and reliable systems in networking or security.
• Ability to collaborate with direct teams and cross-functional partners, work through ambiguity, and solve complex problems.

Nice to have

• Experience with advanced packet-processing technologies and frameworks such as DPDK and eBPF.

Culture & Benefits

• Collaboration with Information Security and infrastructure engineering teams.
• Opportunity to solve technical challenges at global scale and improve the safety of shared digital experiences.
• Equity compensation and employee benefits for full-time employees.
• Equal employment opportunity and reasonable accommodations during the recruiting process.