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Astroscale

On-orbit satellite servicing and debris removal

IT 2 Junior Cloud Architect

Cloud EngineeringConfirmed live in the last 24 hours
Full-timeTokyo, JapanNo salary listedHybrid

About the Job

Requirements

  • At least 2 years of hands-on experience in IT infrastructure, cloud operations, systems administration, DevOps, or related fields.
  • Practical experience and knowledge of Amazon EC2, Amazon VPC, AWS IAM, Amazon S3, Security Groups, Amazon Route 53, and Amazon CloudWatch.
  • Foundational networking knowledge.
  • Basic understanding of cloud architecture principles, including availability, scalability, resilience, security, and cost optimization.
  • Foundational experience with Infrastructure as Code; Terraform experience is preferred.
  • Experience using Git and working in Pull Request or Merge Request-based development workflows.
  • Ability to investigate incidents and analyze logs.
  • Experience performing operational tasks according to Runbooks and documented procedures.
  • Strong documentation skills and experience maintaining architecture diagrams, standard operating procedures, change records, and asset inventories.
  • Business-level proficiency in either Japanese or English, and basic conversational ability in the other language with commitment to ongoing language development.
  • Ability to support occasional evening or weekend maintenance activities when required.
  • Self-motivation and willingness to learn.

Responsibilities

  • Understand, operate, and support the AWS environment.
  • Administer and maintain Amazon EC2, Amazon VPC, AWS IAM, Amazon S3, Security Groups, Amazon Route 53, VPN and connectivity infrastructure, and related infrastructure services.
  • Assist with AWS environment provisioning, configuration management, infrastructure monitoring, incident response and troubleshooting, patch management, backup and restore operations, and day-to-day operational support and maintenance.
  • Maintain and update AWS environment documentation, including system architecture diagrams, operational procedures (Runbooks), change logs, and asset inventories and configuration management records.
  • Collaborate with Cloud Architects and Senior Engineers to support AWS architecture design for security, high availability, fault tolerance, high performance, and cost optimization.
  • Participate in architecture reviews and technical planning activities, conduct proofs of concept, and support cloud migration projects.
  • Review existing AWS environments and recommend improvements to reliability, security, performance, maintainability, and cost efficiency.
  • Learn the existing Terraform environment, including module structure and management, state management, variable management, and deployment workflows.
  • Modify and improve Terraform code through a review-based development process; support infrastructure standardization and version control; and gradually take ownership of Terraform environment maintenance and enhancement.
  • Participate in safe infrastructure change management, including change planning, peer reviews, testing, rollback planning, and documentation updates.
  • Improve operational efficiency through automation and scripting, and enhance operational processes using Git-based workflows.
  • Monitor cloud resources and infrastructure; investigate incidents and service disruptions; respond to operational incidents; perform root cause analysis; and implement preventive measures.
  • Apply AWS security best practices, including least-privilege IAM design, network segmentation, encryption, log management, and secure access controls.
  • Collaborate with IT, Security, Application, and Business teams; document technical decisions and architecture rationale; and escalate risks and issues proactively when necessary.

Desired Qualifications

  • AWS certifications such as AWS Certified Solutions Architect – Associate or AWS Certified Cloud Practitioner, or currently working toward these certifications.
  • Experience operating Terraform in a team environment, including module management, Remote State management, provider version control, and code review processes.
  • Understanding of the AWS Well-Architected Framework.
  • Experience with AWS networking technologies, including VPN, hybrid connectivity, DNS, Security Groups, Network ACLs (NACLs), and AWS Transit Gateway.
  • Experience with monitoring and logging platforms such as Amazon CloudWatch, Prometheus, Grafana, ELK Stack, and Datadog.
  • Experience developing automation scripts using Bash, Python, or PowerShell.
  • Bilingual proficiency in Japanese and English.
  • Interest in using AI/LLM tools to improve operational efficiency, including documentation generation, incident investigation and troubleshooting, and Infrastructure as Code development support.

About the Company

Astroscale

On-orbit satellite servicing and debris removal

Astroscale provides on-orbit satellite servicing to extend mission lifetimes and reduce space debris. Its offerings include End-of-Life services (ELSA-d and ELSA-M) to capture and de-orbit defunct satellites, Active Debris Removal (ADRAS-J) to approach and inspect debris, Life Extension (LEXI) for in-orbit refueling planned for 2026, and in-situ space situational awareness (ISSA) to monitor the space environment. It enables docking plates attached pre-launch to allow future servicing or removal, serving governments (JAXA, UK Space Agency, ESA) and commercial operators (Eutelsat, OneWeb). Its goal is to create a sustainable space environment by enabling safe rendezvous, servicing, and debris removal in low Earth orbit and geostationary orbit and by shaping regulations for responsible space activity.

Company size
201-500
Company stage
IPO
Headquarters
Tokyo, Japan
Founded
2013

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