About the Position

We are seeking a Staff Product Security Engineer with extensive experience in application and product security to join our team in Belgrade, Serbia.

Responsibilities

Security Regression Testing
- Design and maintain security regression test suites covering critical application flows
- Ensure vulnerabilities, once fixed, are permanently prevented from recurring
- Integrate security regression into CI/CD pipelines
- Define coverage targets for security-critical areas (auth, access control, APIs, data flows)
Threat Modeling
- Lead structured threat modeling sessions for:
  - Existing system components
  - New features and architectural changes
- Identify attack surfaces, abuse cases, and trust boundaries
- Translate threats into:
  - Test cases
  - Security requirements
  - Mitigation plans
- Ensure threat modeling becomes a continuous lifecycle activity
Offensive Security / Red Team Activities
- Perform manual and automated security testing simulating real attacker behavior
- Focus on high-impact vulnerabilities, not theoretical findings
- Validate exploitability and business impact
- Partner with engineering teams to:
  - Reproduce issues
  - Prioritize fixes
  - Validate remediation
OWASP Top 10–Driven Vulnerability Discovery
- Continuously assess the platform against OWASP Top 10 categories
- Use deep product knowledge to find non-obvious, context-specific vulnerabilities
- Go beyond tooling (DAST/SAST) to uncover logic flaws and abuse paths
Security Assurance for Product Changes
- Review new features and changes for security risks
- Ensure all changes are:
  - Threat-modeled
  - Covered by regression tests
- Act as a security gatekeeper without becoming a bottleneck:
  - Enable teams with guidance and tooling
  - Avoid heavy process overhead
Collaboration & Enablement
- Work closely with:
  - Engineering teams
  - Architecture
  - SRE / Platform teams
- Contribute to secure-by-design practices
- Support developers in understanding and fixing vulnerabilities
- Help scale security through:
  - Reusable patterns
  - Automation
  - Security guidance

Requirements

Required Qualifications

5+ years in Application / Product Security
Bachelor's Degree or equivalent of 12 years of work experience
Strong hands-on experience in:
- Web application security testing
- API security
- Threat modeling methodologies
Deep understanding of OWASP Top 10
Experience with:
- Manual penetration testing
- Security regression testing
- CI/CD security integration
Ability to identify business logic vulnerabilities
Strong understanding of:
- Authentication, authorization, and session management
- Multi-tenant architectures
- Cloud-native systems

Preferred Qualifications

Experience in SaaS / multi-tenant platforms
Familiarity with:
- Bug bounty programs
- Red teaming
- Security automation frameworks
Knowledge of:
- AWS
- Identity systems and federation (SSO, MFA)
Background in software engineering (ability to read/write code)

We Offer

Competitive benefits package
Opportunity to work in a global software company
Be part of a team redefining electronic product creation

About the Company

Altium Limited, a part of the Renesas Group and headquartered in San Diego, California, is a global software company accelerating the pace of electronics innovation. We are redefining electronic product creation in a software-defined world with our industry-first cloud-based platform that unites every stakeholder and phase of electronics development.

From startups to world’s technology giants, our digital platforms give more power to PCB designers, supply chain, and manufacturing, letting them collaborate as never before. At Altium, our teams are empowered to innovate, collaborate globally, and help create the future of electronics development.

Staff Product Security Engineer

Tech Stack

Job Description, Responsibilities & Requirements