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ITインフラストラクチャー スペシャリスト
Astroscale. Operate, maintain, and improve Linux, AWS, networking, virtualization, and on-premises systems .
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in managing and optimizing Linux and AWS infrastructure, including EC2, VPC, and IAM. Proficient in network management, automation scripting, and implementing security best practices while ensuring effective documentation and incident response.
Highest-signal resume keywords
Linux AdministrationAWS Infrastructure ManagementNetwork EngineeringAutomation ScriptingBilingual Proficiency in English and Japanese
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Linux InstallationAWS EC2AWS VPCTCP/IP NetworkingProxmox VEBash ScriptingPython ScriptingCloudWatchIAM ManagementStorage Management
Soft Skills
Strong CommunicationDocumentation SkillsCross-Functional Collaboration
Tools & Technologies
PrometheusGrafanaTerraformAnsibleDocker
Certifications & Qualifications
AWS Certifications
Industry Keywords
Export Control LawsSRE ConceptsAI/ML WorkloadsGPU PassthroughLocal LLM Deployment
Tech Stack
Tools & technologiesAnsibleAWSCloudDNSDockerEC2FirewallsGrafanaKubernetesLinuxPrometheusPythonTCP/IPTerraform
About the role
Key responsibilities & impact- Operate, maintain, and improve Linux, AWS, networking, virtualization, and on-premises systems
- Administer AWS and on-premises infrastructure, including VPCs, network connectivity, IAM, EC2 instances, storage, Linux servers, and virtual machines
- Configure, modify, and optimize on-premises and cloud-based infrastructure
- Perform Linux installation, configuration, patching, package management, systemd service management, scheduled tasks, monitoring, permissions, storage, networking, log analysis, and command-line troubleshooting
- Manage AWS EC2, VPCs, subnets, route tables, security groups, IAM roles and policies, CloudWatch, S3/EBS storage, and DNS
- Manage TCP/IP networking, DNS, DHCP, VPNs, firewalls, switch configurations, and network troubleshooting
- Operate and maintain Proxmox VE clusters, including ZFS storage, VM/LXC provisioning, high availability, backups, and cluster health monitoring
- Maintain Prometheus and Grafana monitoring stacks, define alert thresholds, create dashboards, and analyze logs
- Implement automated patching, manage access controls, enforce security best practices, and coordinate vulnerability remediation
- Design, execute, and validate backup strategies and ensure recovery objectives are met
- Document architectures, SOPs, runbooks, and maintenance schedules
- Coordinate incident response and root-cause analysis
- Partner with engineering, operations, and mission teams to provision, modify, and troubleshoot infrastructure
Requirements
What you’ll need- Bachelor's degree or above in IT Engineering, Computer Science, or a related subject
- Minimum of 5 years of experience in relevant IT infrastructure, system administration, or network engineering roles
- Bilingual proficiency in English and Japanese at business level, written and verbal
- Strong experience managing Linux estates, including building, deploying, software management, and reporting
- Hands-on experience with EC2, VPC, IAM, CloudWatch, and AWS storage services
- Solid understanding of TCP/IP, DNS, DHCP, VPN, firewalls, and switch management
- Practical experience with Proxmox VE or equivalent hypervisor platforms
- Proficiency in Bash and/or Python for automation and operational tooling
- Strong communication, documentation, and cross-functional collaboration abilities
- Export Control Laws require candidates to be from an "Export Safe" country as deemed by the Japanese Government
- Desirable: Terraform, Ansible, Docker, container platforms or Kubernetes, SRE concepts, AI/ML workloads, GPU passthrough, local LLM deployment, AWS certifications, and technical leadership or mentoring experience