{"id":2913388,"url":"https://alion.io/job/astroscale-it2-juniakuraudoakitekuto-junior-cloud-architect","title":"IT2_ジュニアクラウドアーキテクト/Junior Cloud Architect","company":{"id":9484,"name":"Astroscale","domain":"astroscale.com","url":"https://alion.io/company/astroscale","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"BambooHR","truth_index":{"grade":"B","score":77,"open_postings":39,"ghost_share":0.385,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":49,"computed_at":"2026-10-27T05:46:45Z"}},"role":"DevOps","role_family":"DevOps","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Tokyo, Japan"],"countries":["JP"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon CloudWatch","optional":false},{"name":"Amazon EC2","optional":false},{"name":"Amazon S3","optional":false},{"name":"AWS","optional":false},{"name":"Configuration Management","optional":false},{"name":"Git","optional":false},{"name":"IAM","optional":false},{"name":"Least Privilege","optional":false},{"name":"Terraform","optional":false},{"name":"VPN","optional":false},{"name":"Datadog","optional":true},{"name":"DNS","optional":true},{"name":"Grafana","optional":true},{"name":"LLM","optional":true},{"name":"PowerShell","optional":true},{"name":"Prometheus","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-10-20T10:12:45Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-27T20:56:03Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":6},"description":"私たちのリアルな様子はこちらから→ 株式会社アストロスケールの会社情報 - Wantedly\nExport Control Laws:\nUnless explicitly notified otherwise, our vacancies are covered by Export Control Laws which require candidates to be from an \"Export Safe\" Country as deemed by the Japanese Government.\nThe countries are as follows:\nJapan, Germany, Australia, Argentina, Italy, USA, France, Netherlands, UK, Austria, Ireland, Czech, Spain, Greece Canada, New Zealand, Belgium, Bulgaria, Sweden, Switzerland, Norway, Finland, Luxembourg, Portugal, Denmark Hungary and Poland.\n\nJob Description / Roles & Responsibilities\nAstroscale is seeking a Junior Cloud Architectwho will be responsible for the operation and maintenance of our AWS cloud environment while progressively taking on cloud architecture and design responsibilities.\nThis is a development-oriented position intended for candidates who possess foundational AWS infrastructure knowledge and aspire to grow into a Cloud Architect role in the future.\nAfter joining the company, you will begin by learning and supporting the existing AWS environment. While handling day-to-day infrastructure operations, you will participate in architecture design activities under the guidance of senior team members. You will also gradually expand your responsibilities in managing and operating Infrastructure as Code (IaC) using Terraform.\nBy deepening your technical expertise, architecture design capabilities, and business understanding, you will be expected to grow into a Cloud Architectrole over time.\nKey Responsibilities\nAWS Infrastructure Operations\nUnderstand, operate, and support the AWS environment.\nAdminister and maintain the following AWS services: Amazon EC2\nAmazon VPC\nAWS IAM\nAmazon S3\nSecurity Groups\nAmazon Route 53\nVPN and connectivity infrastructure\nOther related infrastructure services\n\nAssist with AWS environment provisioning.\nConfiguration management.\nInfrastructure monitoring.\nIncident response and troubleshooting.\nPatch management.\nBackup and restore operations.\nDay-to-day operational support and maintenance.\n\nDocumentation Management\nMaintain and update documentation to improve visibility and operational efficiency of the AWS environment, including:\nSystem architecture diagrams\nOperational procedures (Runbooks)\nChange logs\nAsset inventory and configuration management records\nCloud Architecture Support\nCollaborate with Cloud Architects and Senior Engineers to support the design of AWS architectures that deliver:\nSecurity\nHigh availability\nFault tolerance\nHigh performance\nCost optimization\nAdditional responsibilities include:\nParticipating in architecture reviews\nContributing to technical planning activities\nConducting Proofs of Concept (PoCs)\nSupporting cloud migration projects\nReviewing existing AWS environments and recommending improvements in: Reliability\nSecurity\nPerformance\nMaintainability\nCost efficiency\n\nTerraform & Infrastructure as Code (IaC)\nDevelop an understanding of the existing Terraform environment, including: Module structure and management\nState management\nVariable management\nDeployment workflows\n\nModify and improve Terraform code through a review-based development process.\nSupport infrastructure standardization and version control.\nGradually take ownership of Terraform environment maintenance and enhancement.\nParticipate in safe infrastructure change management processes, including: Change planning\nPeer reviews\nTesting\nRollback planning\nDocumentation updates\n\nImprove operational efficiency through automation and scripting.\nEnhance operational processes using Git-based workflows.\nReliability, Security & Communication\nMonitor cloud resources and infrastructure.\nInvestigate incidents and service disruptions.\nRespond to operational incidents.\nPerform Root Cause Analysis (RCA).\nImplement preventive measures to avoid recurrence.\nApply AWS security best practices, including: Least-privilege IAM design\nNetwork segmentation\nEncryption\nLog management\nSecure access controls\n\nCollaborate with IT, Security, Application, and Business teams.\nDocument technical decisions and architecture rationale.\nEscalate risks and issues proactively when necessary.\nRequired Qualifications\n2+ years of hands-on experience in IT infrastructure, cloud operations, systems administration, DevOps, or related fields.\nPractical experience and knowledge of key AWS services: Amazon EC2\nAmazon VPC\nAWS IAM\nAmazon S3\nSecurity Groups\nAmazon Route 53\nAmazon CloudWatch\n\nFoundational networking knowledge.\nBasic understanding of cloud architecture principles: Availability\nScalability\nResilience\nSecurity\nCost optimization\n\nFoundational experience with Infrastructure as Code (Terraform experience preferred).\nExperience using Git.\nExperience working in Pull Request / Merge Request-based development workflows.\nAbility to investigate incidents and analyze logs.\nExperience performing operational tasks according to Runbooks and documented procedures.\nStrong documentation skills.\nSelf-motivated with a strong willingness to learn.\nExperience maintaining architecture diagrams, SOPs, change records, and asset inventories.\nBusiness-level proficiency in either Japanese or English.\nBasic conversational ability in the other language, with a commitment to ongoing language development.\nAbility to support occasional evening or weekend maintenance activities when required.\nPreferred Qualifications\nAWS Certifications such as: AWS Certified Solutions Architect - Associate\nAWS Certified Cloud Practitioner\nOr currently working toward obtaining these certifications\n\nExperience operating Terraform in a team environment, including: Module management\nRemote State management\nProvider version control\nCode review processes\n\nUnderstanding of the AWS Well-Architected Framework.\nExperience with AWS networking technologies: VPN\nHybrid connectivity\nDNS\nSecurity Groups\nNetwork ACLs (NACLs)\nAWS Transit Gateway\n\nExperience with monitoring and logging platforms: Amazon CloudWatch\nPrometheus\nGrafana\nELK Stack\nDatadog\n\nExperience developing automation scripts using Bash, Python, or PowerShell.\nBilingual proficiency in Japanese and English.\nInterest in leveraging AI/LLM tools to improve operational efficiency, including: Documentation generation\nIncident investigation and troubleshooting\nInfrastructure as Code development support\n\n＜職務内容/役割・責任＞\nAstroscaleでは、AWSクラウド環境の運用・保守を担当しながら、将来的に設計業務へも携わるジュニアクラウドアーキテクトを募集しています。\n本ポジションは、AWSインフラの基礎知識を持ち、将来的にクラウドアーキテクトへの成長を目指す方を対象とした育成型ポジションです。\n入社後は現在のAWS環境の理解と運用サポートからスタートし、日々のインフラ運用を担当しながら、シニアメンバーの指導のもとでアーキテクチャ設計に参画していただきます。また、Terraformを活用したInfrastructure as Code（IaC）の運用・管理についても徐々に責任範囲を広げていただきます。\n技術的な責任範囲、アーキテクチャ設計能力、ビジネス理解を深めることで、将来的には**Cloud Architect（クラウドアーキテクト）**としての活躍を期待しています。\n主な業務内容\nAWSインフラ運用\n・AWS環境の理解、運用およびサポート\n・以下のAWSサービスの管理・運用\nEC2\nVPC\nIAM\nS3\nSecurity Groups\nRoute 53\nVPN／接続基盤\nその他関連インフラサービス\n・AWS環境のプロビジョニング支援\n・設定管理\n・モニタリング\n・障害対応・トラブルシューティング\n・パッチ適用\n・バックアップ／リストア\n・日常運用保守\nドキュメント整備\n以下を維持・更新し、AWS環境の可視化と運用性向上を支援します。\nシステム構成図\n運用手順書（Runbook）\n変更履歴\n資産管理台帳\nクラウドアーキテクチャ支援\n・クラウドアーキテクトやシニアエンジニアと協力し、以下を実現するAWSアーキテクチャ設計を支援\nセキュリティ\n高可用性\n耐障害性\n高性能\nコスト最適化\n・アーキテクチャレビューへの参加\n・技術計画策定への参画\n・PoC（概念実証）の実施\n・クラウド移行プロジェクトの支援\n・既存AWS環境のレビューおよび改善提案\n信頼性向上\nセキュリティ強化\n性能改善\n保守性向上\nコスト削減\nTerraform・Infrastructure as Code（IaC）\n・既存Terraform環境の理解モジュール\nState管理\n変数管理\nデプロイワークフロー\nレビューを前提としたTerraformコードの修正・改善\nインフラ構成の標準化とバージョン管理\nTerraform環境の保守・改善業務を段階的に担当\n安全なインフラ変更プロセスの実施変更計画\nピアレビュー\nテスト\nロールバック計画\nドキュメント更新\n・自動化やスクリプト活用による作業効率化\n・Gitを活用した運用改善\n信頼性・セキュリティ・コミュニケーション\n・クラウドリソースの監視\n・障害調査\n・インシデント対応\n・根本原因分析（RCA）\n・再発防止施策の実施\n・AWSセキュリティベストプラクティスの適用\nIAM最小権限設計\nネットワーク分離\n暗号化\nログ管理\nセキュアアクセス管理\n・IT、セキュリティ、アプリケーション、ビジネス部門との連携\n・技術判断や決定事項の文書化\n・リスクや課題の早期エスカレーション\n＜必須条件＞\n・ITインフラ、クラウド運用、システム管理、DevOps等の実務経験2年以上\n・AWS主要サービスの実務経験・知識EC2\nVPC\nIAM\nS3\nSecurity Groups\nRoute 53\nCloudWatch\n・ネットワーク基礎知識\n・クラウドアーキテクチャの基本理解\n可用性\nスケーラビリティ\nレジリエンス\nセキュリティ\nコスト最適化\n・Infrastructure as Codeの基礎経験Terraform経験歓迎\nGitの利用経験\n・Pull Request／Merge Requestベースの開発プロセス経験\n・障害調査およびログ分析能力\n・Runbookに従った運用対応経験\n・文書作成能力\n・学習意欲が高く主体的に取り組める方\n・構成図、SOP、変更履歴、資産台帳などの整備経験\n・日本語または英語のビジネスレベル\n・もう一方の言語の基礎会話力と継続的な学習意欲\n・必要に応じて週末・夜間メンテナンス対応が可能な方\n＜望ましい条件＞\n・AWS認定資格AWS Certified Solutions Architect - Associate\nAWS Certified Cloud Practitioner\nまたは同資格取得に向けた学習中の方\n・チーム環境におけるTerraform運用経験\nモジュール管理\nRemote State\nProviderバージョン管理\nコードレビュー\n・AWS Well-Architected Frameworkの理解\n・AWSネットワーク関連経験\nVPN\nハイブリッド接続\nDNS\nSecurity Groups\nNACL\nTransit Gateway\n・監視・ログ管理ツール利用経験CloudWatch\nPrometheus\nGrafana\nELK\nDatadog\n・Bash、Python、PowerShellによる自動化スクリプト作成経験\n・日本語・英語のバイリンガル\n・AI／LLMツールを活用した業務改善への関心\nドキュメント作成\n障害調査\nInfrastructure as Code開発支援","description_format":"text","description_chars":8475,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"Japanese","level":"All levels","optional":false},{"language":"English","level":"Advanced (C1)","optional":true}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Space Services"],"lifecycle":[{"event":"open","at":"2026-10-20T10:12:45Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":6,"expected_fill_days":49,"reasons":["conf:2","velocity","win:early","comp:junior"],"computed_at":"2026-10-27T05:46:45Z"},"pay":null,"html_url":"https://alion.io/job/astroscale-it2-juniakuraudoakitekuto-junior-cloud-architect","json_url":"https://alion.io/job/astroscale-it2-juniakuraudoakitekuto-junior-cloud-architect.json","meta":{"generated_at":"2026-10-27T23:50:05Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":16023,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":9484},"rest":"https://alion.io/mcp/rest/get_company?id=9484"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fastroscale-it2-juniakuraudoakitekuto-junior-cloud-architect"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fastroscale-it2-juniakuraudoakitekuto-junior-cloud-architect"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fastroscale-it2-juniakuraudoakitekuto-junior-cloud-architect"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/astroscale-it2-juniakuraudoakitekuto-junior-cloud-architect\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fastroscale-it2-juniakuraudoakitekuto-junior-cloud-architect"}]}