Principal Network Security Engineer — Scale & Defenses

Roblox Corporation; San Mateo (CA); On-site; USD 326,000 - 385,000; Full time

Job summary

Roblox Corporation is seeking a Principal Security Software Engineer for the Network Security pod. You will shape security strategy and implement controls across Roblox networks and services, collaborating with cross-functional teams to safeguard infrastructure at scale.

The role requires hands-on development of high-performance security systems and deep expertise in networking protocols and packet processing. Location is on-site with Roblox’s typical office schedule.

Qualifications

• 8+ years of professional experience in security or networking.
• Designing and building production-grade networking security services.
• Deep knowledge of network routings and protocols (TCP/UDP, DHCP, DNS).
• Experience with advanced packet processing technologies is a plus.

Responsibilities

• Identify vulnerabilities and gaps in Roblox network infrastructure; propose solutions and drive implementation with infrastructure teams.
• Design, develop, and optimize security-focused network services and components.
• Provide design reviews and network security guidelines for Roblox tools, services, and platforms.

Skills

8+ years experience

Golang

C++

Distributed systems

Network security

Packet processing

TCP/UDP networking

Security engineering

Tools

DPDK

eBPF

Job description

Roblox Corporation is seeking a Principal Security Software Engineer for the Network Security pod. You will shape security strategy and implement controls across Roblox networks and services, collaborating with cross-functional teams to safeguard infrastructure at scale.

The role requires hands-on development of high-performance security systems and deep expertise in networking protocols and packet processing. Location is on-site with Roblox’s typical office schedule.