Senior Application Security Engineer

Unity

. Lead threat modeling, secure design reviews, and penetration testing for Unity products and services, including the engine, editor, cloud services, APIs, and internal platforms .

Posted 9/22/2026full-timeCopenhagen • DenmarkSenior💰 DKK 702,200 - DKK 1,053,400 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in application security, secure coding practices, and vulnerability management, with a strong focus on cloud security and secure development lifecycle. Capable of effective technical communication across diverse teams and regions.

Highest-signal resume keywords

Application SecuritySecure CodingPenetration TestingCloud SecurityVulnerability Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Secure CodingVulnerability ManagementPenetration TestingCode ReviewSecurity AssessmentAuthenticationAuthorizationCryptographySecure Architecture PatternsAI-Assisted Tooling

Soft Skills

Technical Communication

Tools & Technologies

SASTDASTSCAAWSGCPAzure

Industry Keywords

Gaming IndustryAd TechOWASP Top 10Secure Development Lifecycle

Tech Stack

Tools & technologies

AWSAzureCloudGoogle Cloud PlatformUnity

About the role

Key responsibilities & impact

Lead threat modeling, secure design reviews, and penetration testing for Unity products and services, including the engine, editor, cloud services, APIs, and internal platforms
Perform deep code review and manual testing on high-risk systems using AI-assisted review processes
Build and operate security automation
Use and extend AI-assisted tooling for continuous code review, finding triage, and automated penetration testing
Secure Unity’s AI and agentic systems, including AI-native products, LLM integrations, and agent workflows
Partner with engineering teams to drive remediation and create 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 compliance work
Work directly with engineering teams across the US and EMEA

Requirements

What you’ll need

5+ years in application security, with a track record on complex, large-scale systems
Strong command of secure coding and common vulnerability classes (OWASP Top 10 and beyond)
Hands-on secure development experience across several languages
Practical penetration testing, security assessment, and vulnerability management experience with standard tooling (SAST, DAST, SCA, and manual techniques)
Experience with cloud security (GCP, AWS, or Azure)
Working knowledge of authentication, authorization, cryptography, and secure architecture patterns
Clear technical communication for both engineers and non-technical partners across regions
Experience in the technology, gaming industry or ad tech preferred
Sufficient knowledge of English for professional verbal and written exchanges

Benefits

Comp & perks

Equity awards
Participation in company incentive plans, such as annual discretionary bonuses or sales commissions
Comprehensive health, life, and disability insurance
Commute subsidy
Employee stock ownership
Competitive retirement/pension plans
Generous vacation and personal days
Leave and family-care programs for new parents
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