Roblox
Principal Security Software Engineer, Application Security
$326K–$385K
San Mateo, CA, United States · Principal · Full-time · Posted Apr 7, 2026
- Experience
- 8+ years of professional experience in cybersecurity.
- Visa sponsorship
- For US-based roles, the company may be unable to employ candidates whose work authorization is related to certain U.S. visa categories or support future H-1B sponsorship at this time.
About the job
Leads application security design and review, security initiatives, and scalable security practices across Roblox engineering teams.
What you'll do
- Lead security initiatives, guide product security standards, and partner with engineering teams to address vulnerabilities.
- Develop threat models, secure designs, automation, and penetration testing; test application code using the OWASP Testing Methodology.
- Design and secure autonomous agentic workflows, scale security practices, and mentor security engineers.
What they ask for
- 8+ years of cybersecurity experience, including a deep background in application security, data encryption, and security standards.
- Experience in software and infrastructure architecture, threat modeling, Secure Software Development Life Cycles, and large-scale internet security.
- Background writing code in at least one programming language and a scripting language; practical knowledge of cryptography, PKI, and TLS.
- Expertise communicating security challenges to technical and non-technical leadership and influencing principal engineers across teams.
Pay
$326,060 — $385,050 USD (base salary; annual salary range)
Tools
Python, Golang, C#, Bash, Linux, Windows, OWASP Testing Methodology, TLS
AI focus
Design and secure autonomous agentic workflows; apply secure deployment patterns for AI agents, including isolation, secrets protection, and audit/logging, while enabling safe AI adoption at scale.
Model-written summary · the original posting is authoritative