anjin.techEvery tech job in Japan
9,004 jobs/2,947 companies
HomeJobsReportsCompaniesAgencies
About anjin.techContactPrivacy PolicyTerms of Service

© 2026 anjin.tech. All rights reserved.

Browse thousands of tech jobs at Japanese startups and companies. Translated for foreign engineers.

Job listings include English summaries for screening. Always verify details on the original job board before applying.

Jobs→株式会社MSOL Digital→Infrastructure Lead Engineer: Lead security and scaling optimization for in-house AI products from both offensive and defensive perspectives

Infrastructure Lead Engineer: Lead security and scaling optimization for in-house AI products from both offensive and defensive perspectivesEnglish summary from Japanese

株式会社MSOL Digital

✓ Detailed
Salary
5 million JPY - 7 million JPY
Location
Tokyo
Job Type
Full-time
Work Style
9:00~18:00
Apply on GREEN

Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

Lead the strategy, planning, design, and operation of AWS infrastructure for the in-house AI agent service "Mill". Focus on maximizing security, cost-efficiency, and development speed, while ensuring robust scalability to handle fluctuating loads from LLM analysis.

Must-haves

  • Experience in infrastructure strategy planning, proposal, design, and operation.
  • Experience in security measures and access control (e.g., least privilege, Cognito, ALB, IAM).
  • Experience in scaling and cost optimization (e.g., EC2, ECS, AWS Bedrock).
  • Experience promoting CI/CD and IaC (Terraform, CloudFormation).
  • Experience with monitoring, log analysis, and performance tuning.
  • Must be able to work onsite in Tokyo (approx. 2 days/week).

Nice-to-haves

  • Experience with security certifications (ISMS, SOC2).
  • Experience in offensive security.

Tech stack

AWSLLMCognito

About the Company

株式会社MSOL Digital

Headquarters
東京都千代田区紀尾井町3-12 紀尾井町ビル11階
Visit Website
Posted6/26/2026
Updated2026/06/26
Sourcegreen
ALB
IAM
EC2
ECS
AWS Bedrock
Terraform
CloudFormation

Work style

Hybrid (approx. 2 days/week onsite in Tokyo).