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DevOps (L3) Support Engineer

Toyota Tsusho Systems Plano, Texas, United States Full-time
$100,000
per year

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