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The Application Security Engineer II plays a key role in strengthening application security across the software development lifecycle. This role sits within the Cyber Defense organization and is responsible for defining and documenting Secure SDLC requirements, developing and managing a hardened cloud container image repository, and embedding automated security testing into CI/CD pipelines. The role requires hands-on technical capability combined with the ability to define standards, influence development teams, and ensure vulnerabilities are identified and remediated before final build and release, in alignment with agreed remediation timelines.
Job Responsibility:
Define, document, and maintain Secure SDLC policies, standards, and procedures covering secure design and coding expectations, security testing requirements, build, release, and deployment security controls
Partner with Engineering, Platform, and AppDev teams to ensure Secure SDLC requirements are practical and scalable, integrated into existing development workflows, and clearly communicated and understood
Utilizing the standardized Risk Operation processes, support governance activities, including reviews, exceptions, and continuous improvement of SDLC security requirements
Develop, manage, and maintain a hardened cloud container image repository for application workloads
Define baseline security requirements for container images, including base image selection and hardening, patch and dependency management, and runtime security considerations
Partner with platform and application teams to drive adoption of approved images and patterns
Ensure container images are scanned, updated, and versioned in alignment with security standards
Define and implement automated security testing within CI/CD pipelines, including Static Application Security Testing (SAST), Dynamic Application Security Testing (DAST), and Open-source and dependency vulnerability scanning
Tune tools and rules to balance coverage, accuracy, and developer experience
Ensure security testing is integrated early in the pipeline to enable remediation prior to final build and deployment
Partner with engineering and application teams to ensure findings from SAST, DAST, and open-source scans are incorporated into the Risk Operation function
Clearly triaged and prioritized findings
Assigned appropriate ownership
Remediated within agreed SLAs and timelines
Track remediation progress and escalate systemic or repeated issues
Validate remediation and support secure release decisions
Act as a trusted security partner to development and other relevant teams
Provide guidance on secure coding practices, vulnerability remediation, and threat patterns
Support application security reviews, threat modeling, and design discussions as needed
Contribute to continuous improvement of application security tooling, processes, and metrics
Requirements:
5+ years of experience in Application Security, Product Security, or Secure Software Engineering with hands-on experience defining and implementing Secure SDLC requirements
Experience integrating SAST, DAST, and open-source vulnerability scanning into CI/CD pipelines
Bachelor’s degree in Cybersecurity, Information Technology, Computer science or a related field
Practical experience securing containerized applications and managing hardened container images
Strong understanding of common application vulnerabilities (e.g., OWASP Top 10), modern CI/CD workflows and DevOps practices and secure coding and build processes
Strong troubleshooting and collaboration skills
Excellent stakeholder management and communication skills
Proficient in English for effective communication and coordination
Nice to have:
Hands on experience with industry leading Application Security tools for SAST, DAST and Opensource scanning
Experience with container platforms and registries (e.g., Docker, Kubernetes)
Working in cloud-native application environments
Working knowledge of application threat modeling techniques is a plus
Masters degree in Cybersecurity, Information Technology, Computer Science or a related discipline is preferred
Industry-recognized credentials such as CISSP, CISM, or Application Security specific certifications (CSSLP, GWAPT, etc) are highly desirable
Bi-lingual in English and Korean language proficiency is preferred to support global coordination and communication