• Full-time

Publication date: 2026.11.03

Infrastructure Engineer

  • System Engineers / Infrastructure Engineers / Web Engineers / Game Developers
  • Tokyo
  • Salary: JPY 7,000,000 - 9,000,000
インフラエンジニア
職種Position System Engineers / Infrastructure Engineers / Web Engineers / Game Developers
会社概要Company profile We provide AI and mathematical optimization solutions so that customers in various industrial sites can actually use cutting-edge technology in their daily operations. Many social infrastructure sites face challenges such as a shortage of successors, dependence on individual personnel, cost reduction, and CO2 reduction.
Through a deep understanding of these social issues, we simulate multiple scenarios effectively and visualize analysis results, thereby enabling our customers to make optimal operational decisions and reduce costs.
*Main customers: electric power companies, logistics companies, manufacturers, developers (IoT)
仕事内容Job description * Building, operating, and maintaining AWS environments (EC2, ECS, RDS, etc.)
* Alarm response and failure investigation (from isolating the cause to resolution)
* Inquiry handling (receiving requests and consultations from inside and outside the company and handling them through to resolution)
* Configuration changes and modifications to existing infrastructure (permission settings, network settings, etc.)
* Improvement proposals based on requirements hearings
* Concurrent handling of multiple projects
* Operational management of internal systems (account management, internal tool support, etc.)
* Infrastructure: AWS, (GCP)
* Containers: Docker, Kubernetes
* IaC: Terraform
* CI/CD: GitLab CI/CD
* Monitoring tools: CloudWatch
* Others: GitLab, Slack, Backlog, Teams
<Salary>
Expected annual salary: 7,000,000 yen to 9,000,000 yen
*Depending on experience, skills, and abilities, this may be higher or lower.
Breakdown of theoretical annual salary (fixed monthly salary × 12 months + bonuses)
Fixed monthly salary: 520,000 to 668,500 yen
(Breakdown)
Base salary: 390,682 to 502,264 yen
Special work allowance: 129,318 to 166,236 yen
Overtime pay: Includes 42 hours of estimated overtime.
Bonuses: Based on one month of base monthly salary, with amounts determined by company performance, paid twice a year (February and August)
Employment type: Full-time employee
<Work location>
4F Aoyama Palacio Tower, 3-6-7 Kitaaoyama, Minato-ku, Tokyo
No relocation for the time being
応募資格Requirement * Practical experience with AWS (guideline: 3–5 years)
* Able to read VPC / Subnet / SG configurations and add communication paths or IP restrictions
* Able to add and review IAM permissions
* Able to investigate, operate, and maintain EC2 / ECS / RDS
* Able to investigate CloudWatch logs and add or modify alarms
* Able to design and implement redundancy methods such as Multi-AZ
* Able to modify or add to existing architectures (ECS / Lambda / Batch, etc.) after understanding them
* Able to hear requirements and, building on existing projects, consider and propose where changes should be made
[Preferred skills and experience (welcome if you have them, or tasks we would like to entrust to you in the future)]
* Able to build GitLab CI/CD
* Able to maintain existing infrastructure using Terraform or CloudFormation

[Preferred requirements]
* Takes ownership not only of building infrastructure but also of alarms, errors, and inquiry handling, seeing issues through to resolution
* Not averse to being in charge of multiple projects at the same time
* Willing to proactively take on internal information systems and IT administrator-type tasks alongside infrastructure work for projects
* Able to find issues independently and proceed with investigation and response, rather than waiting for instructions
日本語力Japanese level Fluent
雇用形態Employment type Full-time
勤務エリアLocation Tokyo
勤務時間Working hours Full flextime
想定年収Salary JPY 7,000,000 - 9,000,000
条件・待遇Condition 【Salary】
Expected annual salary: 7,000,000 yen to 9,000,000 yen
※Depending on experience, skills, and abilities, this may be higher or lower.
Theoretical annual salary breakdown (fixed monthly salary × 12 months + bonuses)
Fixed monthly salary: 520,000 to 668,500 yen
(Breakdown)
Base salary: 390,682 to 502,264 yen
Special work allowance: 129,318 to 166,236 yen
Overtime pay: Includes estimated overtime pay for 42 hours.
Bonus: Based on one month of base monthly salary, with amounts determined by company performance, paid twice a year (February and August)
Employment type: Full-time employee
【Work location】
3-6-7 Kitaaoyama, Minato-ku, Tokyo, Aoyama Palacio Tower 4F
No relocation for the time being
【Working hours】
Full flextime (however, work between 22:00 and 5:00 requires approval)
選考についてProcess Document screening > First interview > Final interview > Job offer
Comments from United World
TOP