Principal Network Security Engineer

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

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.

At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there.

A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.

Roblox runs a global scale network with a number of data centers and public clouds to provide services to millions of users, and creates a broad threat landscape. As a Principal Security Software Engineer on the Network Security pod, you will help shape and implement our network security strategy and controls. You'll have a big impact while collaborating with security and cross-functional teams to secure our networks, protect our services and platforms.

In this role, you’ll work closely with other people in the Information Security (InfoSec) team as well as partner with multiple Roblox infrastructure engineering teams.

You will

• 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 your software engineering skills and system thinking, to protect Roblox’s networks from external threats and internal risks.
• Provide design reviews & guidelines from network security perspective for Roblox’s tools, services, and platforms.

You have

• 8+ years: of relevant professional experience.
• Programming Proficiency: Able to write high-performance code for large scale distributed services with at least one programming language such as Golang or C++, and you are eager to learn new languages and technologies.
• Hands-on experience: Designing and building production level services in fields of networking and security, such as L4/L7 network proxies, load balancers, IDS/IPS, firewalls, etc.
• In-depth knowledge of: Network routings and protocols (TCP/UDP, DHCP, DNS, etc.), attack vectors, techniques, and remediations.
• Experience with: advanced packet processing technologies and frameworks, such as DPDK, eBPF, is a big plus.

You are

• Collaborative: You love working with your direct team and cross-functional partners.
• A Self-driving Software Engineer: You’re well-versed in the depths of networks or security, with hands-on experience in building high performance and reliable systems.
• Comfortable with ambiguity: You can gather data and make informed decisions when there is no clear answer.
• Eager to solve hard problems: You challenge the status quo when it no longer makes sense, and don’t shy away from big challenges.

Annual Salary Range

$326,060 — $385,050 USD

Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted).

Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process.

For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.