Department Manager

Responsibilities and Duties

1. 1Lead and develop a compact team of three members, including goal setting, performance evaluation, 1-on-1 meetings, career development support, task management, and resource allocation.
2. 2Ensure stable operations, troubleshooting, and configuration management of on-premises infrastructure hosted primarily on Sakura Internet, as well as mail delivery and forwarding platforms on Sakura Cloud.
3. 3Act as a core member of the Security CoE to co-design security requirements and guardrails and embed IaC templates, secure defaults, Policy as Code, and CI/CD security into engineering workflows.
4. 4Drive cloud security initiatives including cloud guardrails, IAM and static credential management, CNAPP utilization, DNS and certificate management, and transitions to steady-state operations.
5. 5Establish security metrics and dashboards, review guardrails and processes using operational data and incident learnings, and promote a continuous infrastructure security improvement cycle.

応募資格（必須）

• 5+ years of practical experience as an infrastructure engineer.
• Hands-on experience designing, building, and operating Linux/Unix-based operating systems.
• Experience operating and managing both on-premises infrastructure and cloud platforms (e.g., AWS, GCP, Azure, Sakura Cloud).
• People management and/or leadership experience.
• Practical experience managing teams of three or more members, including performance management, member development, evaluations, and 1-on-1 meetings.
• Experience managing contractors and partner companies, including team structure design and vendor control.
• Fundamental knowledge of security infrastructure and web security, including network security, IAM (access control), and server security.
• Experience analyzing security risks and proposing/implementing improvement measures tailored to on-the-ground realities.

歓迎する経験

• Practical or implementation experience in cloud security and DevSecOps.
• Experience introducing and operating CNAPP tools and/or CSPM/CWPP tools.
• Experience using IaC (e.g., Terraform, CloudFormation) and Policy as Code (e.g., OPA, Checkov) to drive standardization and automation.
• Experience integrating security checks into CI/CD pipelines.
• Experience using and operating Sakura Internet (on-premises) and Sakura Cloud.
• Experience operating and troubleshooting MTA (Mail Transfer Agent) or other mail delivery/forwarding platforms.
• Experience overseeing company-wide management of public-facing assets (DNS, SSL/TLS certificates, etc.).
• Experience launching and driving company-wide initiatives like Security CoE or CCoE.
• Experience creating guidelines and Runbooks for development/operations teams and leading the transition to steady-state operations.
• Experience in AI development and/or experience in using AI tools to improve development processes.

待遇・福利厚生

• インフルエンザ予防接種
• ご近所手当
• 家賃給与控除制度

求めるスキル・経験