Head of Platform Security & OS Architecture

Winixx Inc.; Raleigh (NC); Hybrid; USD 180,000 - 240,000; Full time

Benefits offered by this job

Paid time off

Company holidays

Professional development

Visa sponsorship

Job summary

Winixx Inc. is building WinixxOS, a new OS for a hardware ecosystem including phones and POS devices. The Head of Platform Security leads the security team, sets strategy, and owns the end-to-end security posture across all device classes.

You will report to executive leadership and shape foundational security decisions for a high-ownership, early-stage platform engineering effort. This full-time role requires fast, strategic execution and strong communication with stakeholders.

Qualifications

• 8+ years of security engineering experience, including 3+ years in a leadership role.
• Deep, hands-on AOSP or Android platform security experience.
• Experience building security architecture and teams from an early stage.
• Familiarity with payment security compliance (PCI-DSS) strongly preferred.
• Excellent communication skills and executive presence.
• Visa sponsorship available for the right talent.

Responsibilities

• Define and own the security architecture and roadmap for WinixxOS across all device classes.
• Build and lead the Platform Security team as it scales.
• Set standards for secure boot, sandboxing, SELinux policy, and TEE integration platform-wide.
• Own payment-grade security strategy for the POS device class in coordination with compliance requirements.
• Partner with the UI and API & Integration teams to ensure security is embedded at every architectural layer.
• Lead incident response and vulnerability disclosure processes.

Skills

Security leadership

AOSP/Android security

Security architecture

Payment security (PCI-DSS)

Executive communication

Education

Bachelor's or Master's in CS/Security

Job description

Winixx Inc. is building WinixxOS, a new OS for a hardware ecosystem including phones and POS devices. The Head of Platform Security leads the security team, sets strategy, and owns the end-to-end security posture across all device classes.

You will report to executive leadership and shape foundational security decisions for a high-ownership, early-stage platform engineering effort. This full-time role requires fast, strategic execution and strong communication with stakeholders.