Senior Application Security Engineer

Unity Technologies’ Product Security team is hiring a Senior Application Security Engineer in San Francisco to strengthen application and platform defenses. The role combines manual security testing with AI-assisted workflows, supports secure design and remediation across teams in the US and EMEA, and helps secure AI and agentic systems.

Key Responsibilities

• Lead secure design reviews and penetration testing for Unity products and services, including cloud services, APIs, and internal platforms.
• Conduct manual testing on high-risk systems, using AI-assisted review processes to address gaps that automated tooling cannot fully cover.
• Build and operate security automation, using and extending AI-assisted tooling for continuous code review, triage, and automated penetration testing, and stepping in where human judgment is required.
• Secure AI and agentic systems by assessing AI-native products, LLM integrations, and agent workflows against their unique risk profiles.
• Partner with engineering teams to drive remediation, converting recurring findings into guardrails, secure defaults, and paved paths.
• Investigate and respond to application security incidents, including root cause analysis and durable corrective action.
• Contribute to Unity’s secure development lifecycle and support compliance work.

Required Qualifications

• Experience in application security, with a track record on complex, large-scale systems.
• Strong command of secure coding and common vulnerability classes, including OWASP Top 10 and beyond.
• Hands-on secure development experience across several languages.
• Practical experience with penetration testing, security assessments, and vulnerability management using standard tooling.
• Working knowledge of cloud security in GCP, AWS, or Azure.
• Working knowledge of secure architecture patterns.
• Clear technical communication for both engineers and non-technical partners across regions.

Technologies

• OWASP Top 10
• GCP, AWS, Azure
• LLM

Preferred Qualifications

• Experience in the technology, gaming, or Ad tech industry

Compensation

Base Salary Range (Gross):

• Zone A: USD $160,300 – USD $240,500
• Zone B: USD $181,200 – USD $271,800
• Zone C: USD $203,600 – USD $305,400

Benefits

• Comprehensive health, life, and disability insurance
• Commute subsidy
• Employee stock ownership
• Competitive retirement/pension plans
• Generous vacation and personal days
• Support for new parents through leave and family-care programs
• Office food snacks
• Mental Health and Wellbeing programs and support
• Employee Resource Groups
• Global Employee Assistance Program
• Training and development programs
• Volunteering and donation matching program