Senior Application Security Engineer

With a company culture rooted in collaboration, expertise and innovation, we aim to promote progress and inspire our clients, employees, investors and communities to achieve their greatest potential. Our work is the catalyst that helps others achieve their goals. In short, We Enable Possibility. The Application Security team secures Arch Re applications and supporting operations through effective solutions, processes, and controls.

As an Application Security Specialist, you will help protect and strengthen the Arch Re software development lifecycle (SDLC) by shaping strategy, implementing new technologies, maintaining technical controls, assessing vulnerabilities, and partnering with software engineers, architects, and product teams. This role ensures the right security guardrails are in place to identify risks early and support the continuous, secure delivery of applications.

This role requires strong expertise in CI/CD, secure software development, and application security best practices to enhance the developer experience and improve delivery of security services to end users. You will also support secure-by-design standards, threat modeling, and continuous improvement efforts that strengthen application security across the organization.

• Utilize application development, deployment, and security experience to help guide Application Security strategy and secure the software development lifecycle (SDLC)
• Configure and improve App Sec tooling and integrations, including SAST configuration, ignore lists, dashboards, and other controls that maintain useful coverage without excessive noise.
• Drive API, Container, and Application Security testing initiatives, including DAST and other security validation capabilities, to improve security coverage, identify vulnerabilities, and support timely remediation.
• Develop strategies to secure current and emerging technologies (containers, serverless, API, AI/ML).
• Embed AI-specific security checks into SSDLC reviews and code analysis, including input and output handling, AI-exposed APIs, prompt and response guardrails, and abuse or data-exfiltration paths.
• Provide hands on engineering support for security incidents, threat events, vulnerability management, and control improvements to strengthen Enterprise application security posture.
• Gather and report metrics from Application Security solutions and processes to provide meaningful insights into security coverage, risk reduction, and program maturity.
• Create and maintain technical standards, operational procedures, and supporting documentation for Application Security services by leveraging guidance from organizations such as NIST, OWASP, and SANS.
• Provide technical training to development and cloud engineering teams on secure development practices for API, Container security, and vulnerability remediation.
• Implement, optimize, and operationalize Application Security solutions to improve risk visibility, security coverage, and developer adoption.
• Drive automation and security capabilities that improve developer experience, streamline security processes, and align Application Security solutions with technology and business goals.
• Stay informed on emerging Application Security trends, technologies, attack techniques, and industry best practices to continuously enhance Arch Re’s security posture.

• Undergraduate degree in a related field or equivalent combination of training and experience.
• 5+ years of experience in cybersecurity with significant hands on with application security.
• Experience supporting or leading security reviews for AI-native products, internal agents, or AI-assisted engineering workflows.
• Experience performing threat modeling and secure architecture…