Are you a multi-faceted engineer passionate about cloud architecture, DevOps, network security, and site reliability? A fast-growing tech innovator in Japan developing cutting-edge AI and hardware technologies is looking for a Senior Cloud & IT Infrastructure Engineer to drive the next generation of scalable, secure infrastructure. In this hybrid role, you will bridge the gap between cloud engineering (AWS/Kubernetes), SRE, network security, and workplace IT systems to support both global product platforms and internal operations. Key Responsibilities Cloud & Infrastructure Management: Operate, maintain, and optimize AWS cloud environments, Kubernetes clusters, Linux servers, and Infrastructure-as-Code (Terraform, Ansible). DevOps & Observability: Build and manage CI/CD pipelines, automate routine workflows, and implement monitoring/observability tools (metrics, logs, traces, alerts). SRE & Incident Response: Maintain SLI/SLO standards, lead initial troubleshooting and root-cause analysis for system failures, and record post-mortems. Network & Endpoint Security: Oversee L2/L3 networking, VPNs, firewalls, and EDR/SIEM tools. Ensure compliance readiness, device management, and security policy enforcement. Cross-Functional Collaboration: Serve as a bridge across global teams, providing technical support, updating security workflows, and maintaining clear documentation. Requirements Cloud & Linux Experience: 3+ years of hands-on experience in cloud operation/maintenance (AWS, Kubernetes) and core Linux server administration. Networking & Security: Solid understanding of TCP/IP, DNS, VPNs, firewalls, and core enterprise network security concepts. Infrastructure as Code (IaC): Proven ability to read, maintain, and modify IaC scripts (Terraform, Ansible). Language Proficiency: Fluent/Professional Japanese and Business-level English for cross-functional global collaboration. Problem-Solving & Mindset: Strong troubleshooting skills, proactive communication, and a habit of thorough documentation. Nice-to-Have Experience with observability tools (New Relic, Grafana, CloudWatch, Sentry). Automation scripting skills (Python, Bash). Industry certifications (AWS Certified, CCNA/CCNP, CISSP, CompTIA Security+). Benefits Location: Hybrid working style (Choice of Tokyo or Osaka office; remote work options). Flexibility: Flextime schedule with core hours / flex working windows. Growth & Learning: Annual subsidies for books, courses, and certifications. Benefits: Housing allowance, child allowances, full health/pension coverage, and commuter allowance. Generous Leave: Comprehensive paid leave, life & health support days, and long holiday options. Culture: Truly diverse, international team environment with global growth trajectory.
Altera Consulting Co., Ltd. is a Tokyo-based consulting firm specialized in Digital Transformation (DX) and Artificial Intelligence (AI). We help organizations build and strengthen their technology, data, and AI capabilities to unlock growth, efficiency, and long-term competitiveness.
Our team brings together expertise in business consulting, engineering, product, design, data, AI, and project management. With this diverse skill set, we partner with clients to deliver end-to-end transformation solutions, from strategy to execution.
By applying agile and lean principles and integrating AI into real-world workflows, we’ve helped organizations of all sizes (from startups to global enterprises) adapt, innovate, and thrive.
The pace of change is only accelerating. Industries everywhere are being disrupted, and success depends on how quickly businesses can adopt new technologies and modern ways of working. At Altera, we make transformation practical, scalable, and tailored to your needs, so you can focus on creating value while staying future-ready.
🌍 OUR SERVICES:
1. Altera Consulting – DX & AI Consulting
We design and implement digital and AI solutions across systems, processes, and people to drive measurable business outcomes.
2. Altera Connect – Consultant on Demand
Flexible, on-demand access to skilled experts who can fill capability gaps and accelerate projects without long hiring cycles.
3. Altera Recruiting – Recruitment Services
Helping companies in Japan secure top talent, from digital project managers to AI engineers, leveraging our deep industry network and trusted relationships.
At Altera Consulting, we don’t just advise, we partner with you to build stronger, smarter, and more resilient organizations for the digital & AI era.
