DevOps (L3) Support Engineer
Job Description
Responsible for planning and executing secure deployments across staging and production environments, managing a wide range of AWS services, and ensuring system reliability through proactive monitoring and incident response. Collaborates closely with InfoSec and development teams to integrate security into CI/CD pipelines, enforce secure coding practices, and develop automated tools for threat detection and vulnerability management. With a strong focus on compliance, operational excellence, and continuous improvement, this role plays a critical part in safeguarding enterprise systems and enabling secure software delivery at scale.
(Businesses may be organized along customer groups or geographies or functions)
Essential Functions:
• Plan and execute secure deployments across staging and production environments, ensuring alignment with operational standards.
• Design, implement, and support AWS infrastructure including core services like EC2, EKS, IAM, and CloudFront.
• Integrate and maintain DevSecOps CI/CD pipelines, enabling secure, automated testing, deployment, and operations.
• Collaborate with InfoSec and development teams to implement security requirements, conduct threat reviews, and resolve vulnerabilities.
• Develop and enforce security best practices, including secure coding, compliance with enterprise policies, and use of automated security tools.
• Monitor system health and performance using Datadog, and lead incident response efforts for P1/P2 issues, including RCA and documentation.
• Develop and maintain technical documentation, runbooks, and operational procedures to support ongoing system reliability and knowledge sharing.
• Participate in global operations meetings and scrums to ensure coordination across regions and teams.
• Build and support cyber countermeasure capabilities to detect and prevent advanced threats across enterprise networks.
• Continuously improve security tooling, automation, and training to align with evolving industry standards and practices.
• Attend InfoSec meetings and discuss internally for prioritization and implementation
• Bachelor's degree in Information Technology, Computer Science, Business or related field
• Minimum of 6 years of experience in DevOps or cloud infrastructure roles.
• Proven experience in L3 support, production deployments, and AWS infrastructure management.
• Prior experience in handling P1/P2 incidents and leading RCA efforts in enterprise environments.
Knowledge & Skills:
• Knowledge of open security testing standards and projects, including OWASP
• Knowledge of remediation efforts for discovered vulnerabilities
• Knowledge of web application development, system administration, and the software and system development life cycle
• Knowledge of red-teaming and covert computer network exploitation
• Skilled in programming
• Knowledge of secure coding best practices
• Ability to craft custom exploits for proof-of-concept code
• Knowledge in helping build RCA documents for P1 and P2 issues
• Skilled in building/ creating Datadog alerts for all resource monitoring, including the runbooks
Company Information
Location: Nagoya, Aichi, Japan
Type: Hybrid