Principal Network Security Engineer - Equity Eligible & Scale

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

Benefits offered by this job

Equity compensation

Job summary

Roblox, based in San Mateo, CA, seeks a Principal Security Software Engineer to shape and implement the network security strategy across services and platforms. You’ll collaborate with InfoSec and infrastructure teams to protect Roblox’s networks and deliver high‑performing, secure systems.

You will lead design reviews, build production‑level security solutions, and stay ahead of threats with hands‑on expertise in networking and security engineering.

Qualifications

• 8+ years of relevant professional experience.
• Programming Proficiency: Golang or C++, with willingness to learn more languages.
• Hands-on design/build of production services in networking and security (L4/L7 proxies, load balancers, IDS/IPS, firewalls).
• Deep knowledge of network protocols (TCP/UDP, DHCP, DNS) and attack vectors.
• Experience with packet processing technologies such as DPDK or eBPF is a plus.

Responsibilities

• 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 software engineering skills to protect Roblox’s networks.
• Provide design reviews & guidelines from network security perspective for Roblox’s tools, services, and platforms.

Skills

8+ years exp

Golang / C++

Networking security

Packet processing (DPDK/eBPF)

Job description

Roblox, based in San Mateo, CA, seeks a Principal Security Software Engineer to shape and implement the network security strategy across services and platforms. You’ll collaborate with InfoSec and infrastructure teams to protect Roblox’s networks and deliver high‑performing, secure systems.

You will lead design reviews, build production‑level security solutions, and stay ahead of threats with hands‑on expertise in networking and security engineering.