Principal Network Security Engineer

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Principal Network Security Engineer in USA

Roblox
Full time
Email

USA
10/21/2026
Report

San Mateo, CA

Responsibilities

Identify vulnerabilities and gaps in network infrastructure, propose solutions, and drive implementation with infrastructure engineering teams.
Design, develop, and optimize high-performance distributed systems and security solutions that protect networks from external threats and internal risks.
Provide network-security design reviews and guidelines for Roblox tools, services, and platforms.
Collaborate with Information Security and infrastructure engineering teams on network protection and platform security.

Requirements

8+ years of relevant professional experience.
Proficiency writing high-performance code for large-scale distributed services in at least one language such as Golang or C++.
Hands-on experience designing and building production-level networking and security services, including L4/L7 network proxies, load balancers, IDS/IPS, or firewalls.
In-depth knowledge of network routing and protocols including TCP, UDP, DHCP, and DNS, as well as attack vectors, techniques, and remediations.
Experience with advanced packet-processing technologies and frameworks such as DPDK and eBPF is a plus.
Ability to build high-performance and reliable systems and work collaboratively through ambiguity.

Benefits

Full-time employees are eligible for equity compensation and benefits.
Office-based roles are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday.
For San Mateo headquarters roles, the stated annual base salary range is $326,060—$385,050 USD.

Salary: $326k - $385k/yr

Roblox

Roblox's vision is to reimagine the way people come together. Our mission is to connect a billion people with optimism and civility. What is Roblox? Roblox is a platform where people come together virtually to share experiences. Every day, tens of millions of people from around the world come to ...

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