Principal Network Security Engineer
Roblox · San Mateo, CA, United States
About this role
**Principal Network Security Engineer** Roblox runs a global, large-scale network with data centers and public clouds to serve millions of users—creating a broad threat landscape. As a **Principal Security Software Engineer (Network Security pod)**, you’ll help shape and implement Roblox’s network security strategy and controls, collaborating with security and cross-functional teams to secure networks and protect services and platforms. **What you’ll do** - Identify security vulnerabilities and gaps in network infrastructure; propose solutions and drive engineering efforts for implementation with infrastructure teams. - Design, develop, and optimize novel systems to protect Roblox networks from external threats and internal risks. - Provide network security design reviews and guidelines for Roblox tools, services, and platforms. **What you have** - **8+ years** of relevant professional experience. - **Programming proficiency:** Ability to write high-performance code for large-scale distributed services (e.g., **Golang** or **C++**), with eagerness to learn new languages and technologies. - **Hands-on experience:** Production-level services in networking and security (e.g., **L4/L7 proxies, load balancers, IDS/IPS, firewalls**). - **In-depth knowledge of:** Network routing and protocols (**TCP/UDP, DHCP, DNS**), attack vectors, techniques, and remediations. - **Plus:** Experience with advanced packet processing technologies/frameworks such as **DPDK** and **eBPF**. **You are** - **Collaborative:** Enjoy working with your team and cross-functional partners. - **A self-driving engineer:** Deep in networks/security with hands-on experience building high-performance, reliable systems. - **Comfortable with ambiguity:** Can gather data and make informed decisions when answers aren’t clear. - **Eager to solve hard problems:** Challenges the status quo when it no longer makes sense. **Pay & location (HQ roles)** - Starting base pay range (San Mateo, CA HQ): **$326,060 – $385,050 USD** - Equity compensation and benefits eligibility per Roblox’s total rewards. **Work schedule (HQ roles)** - Onsite **Tuesday, Wednesday, Thursday** (optional presence Monday/Friday unless otherwise noted). Roblox is an equal opportunity employer and provides reasonable accommodations during the recruiting process. For US-based roles only: Roblox may not be able to employ candidates for certain visa categories and may not support future **H-1B** sponsorship at this time.
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