
IT1_Linux & DevOpsインフラエンジニア/Linux & DevOps Infra Engineer
Astroscale2 months ago
Remote, Japan or Tokyo, JapanSenior
Responsibilities
- Deploy, configure, and maintain Ubuntu Linux servers across AWS EC2 and on-premises Proxmox VE environments.
- Manage Docker and Docker Compose workloads, GitLab, BookStack, development VM fleets, and LiteLLM infrastructure.
- Build and optimize CI/CD pipelines, infrastructure automation, and GitOps workflows using Terraform, Ansible, and Git.
- Implement configuration management, provisioning scripts, and version-controlled infrastructure standards.
- Establish monitoring, logging, and alerting for platform health and performance.
- Lead incident response, root cause analysis, post-incident reviews, and reliability improvements.
- Perform system patching, security hardening, backup and restore operations, and performance tuning.
- Maintain runbooks, SOPs, change logs, documentation, and architecture diagrams.
- Support AI/ML inference environments, model-serving infrastructure, or inference proxies as needed.
- Participate in planned weekend or late-night maintenance windows.
Requirements
- At least 5 years of IT infrastructure or systems administration experience, including at least 3 years focused on Linux Ubuntu production environments.
- Proficiency with Linux CLI system management, process control, systemd, cron, ps, top, package management, and log analysis.
- Hands-on Docker and Docker Compose experience in staging or production environments.
- Practical Terraform, Ansible, and Git experience for Infrastructure as Code, configuration management, and version control.
- Experience with CI/CD platforms; GitLab CI/CD is preferred, with Jenkins or GitHub Actions also acceptable.
- Understanding of AWS services including EC2, VPC, IAM, S3, security groups, and basic networking.
- Experience with monitoring and logging tools such as Prometheus, Grafana, ELK, or Datadog and with incident response workflows.
- Professional written and verbal proficiency in English or Japanese, plus basic conversational skills in the other language.
- Availability for planned weekend or late-night maintenance windows.
- Bilingual English and Japanese proficiency is desirable.
- Kubernetes, Helm, container orchestration, SRE practices, Proxmox VE administration, AI/LLM infrastructure, model serving, inference proxies, leadership, mentoring, or team coordination experience is desirable.
- AWS Certified Cloud Practitioner or SysOps/DevOps Professional certification is desirable.
Benefits
- Planned weekend or late-night maintenance windows may be required.
- The role offers growth toward a Lead DevOps Engineer position as the team and mission scale.
- The vacancy is subject to Japanese export control requirements and candidates must be from an approved Export Safe Country unless otherwise notified.
Tech Stack
Categories
About Astroscale
Astroscale develops and operates on‑orbit servicing spacecraft and software providing debris removal, life extension, end‑of‑life, and in‑space situational awareness for commercial and government satellite operators. It earns revenue through mission contracts and services; demonstrations include ELSA‑d and ADRAS‑J, with selections by JAXA, the U.S. Space Force, ESA, the UK Space Agency, and Eutelsat. Founded in 2013 and headquartered in Sumida, Tokyo, it is public and maintains subsidiaries in the UK, U.S., France, and Israel.