Principal Security Engineer, Application Security - Remote

Overview

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Principal Security Engineer, Application Security in North America.

In this role, you will lead advanced application security initiatives, ensuring software is secure throughout its lifecycle. You will collaborate closely with engineering and product teams to anticipate, detect, and remediate vulnerabilities, while establishing secure development practices and guiding security architecture. Your work will include vulnerability research, threat modeling, and influencing technical decisions across multiple teams. This position offers the opportunity to drive strategic security solutions, mentor junior engineers, and shape the long-term security posture of high-impact software platforms. You will contribute directly to improving system resilience, protecting customer data, and enabling secure, scalable software delivery. The environment is remote-friendly, highly collaborative, and centered on innovation, knowledge sharing, and measurable impact.

In Short

• Lead the resolution of systemic vulnerabilities and define mitigations across the software platform.
• Conduct complex application security reviews and threat modeling to identify risks.
• Perform vulnerability research, including proof-of-concept exploitation in controlled environments.
• Establish secure development practices, standards, and Paved Roads to guide engineering teams.
• Provide technical leadership during security incidents and crisis response situations.
• Contribute to long-term security architecture, strategic product design, and secure software delivery practices.
• Mentor and support the development of junior security engineers.

Requirements

• Strong experience in application security and secure software development.
• Proven track record of leading security initiatives.
• Experience with vulnerability research and threat modeling.
• Ability to mentor and guide junior engineers.
• Strong communication and collaboration skills.

Benefits

• Remote-friendly work environment.
• Opportunities for professional growth and mentorship.
• Collaborative and innovative team culture.
• Impactful role in shaping security practices.