Infrastructure & Platform Architect

Business At Work; Paris; Sur place; EUR 70 000 - 110 000; Plein temps

Résumé du poste

Business At Work in Paris is seeking an experienced Infrastructure Platform Architect to design and operate a distributed platform across cloud, on-premise and HPC environments. You will work with the CTO and DevOps leads to define architectures that are observable, scalable, and secure.

You will translate business constraints into pragmatic standards, implement with Linux, Docker, Kubernetes, Terraform and Ansible, and ensure cost control (FinOps) while staying hands-on to troubleshoot complex

Qualifications

• 5+ years in infrastructure, platform engineering or architecture.
• Strong Linux, networking, compute and storage fundamentals.
• Good knowledge of containers and modern application infrastructure.
• Experience with hybrid, cloud or on-premise environments.
• Knowledge of HDS environments and GDPR regulations in France.
• Ability to translate business and technical constraints into pragmatic architecture.
• Comfortable moving between architecture and hands-on troubleshooting.
• Autonomous, structured and pragmatic.
• Strong technical documentation skills.

Responsabilités

• Design the infrastructure platform.
• Define pragmatic architectures for compute, networking, storage, containers and shared platform services.
• Standardize infrastructure. Define reusable patterns and technical standards that can be implemented and automated by the DevOps team.
• Design for operations. Ensure architectures are observable, maintainable, scalable and recoverable, keeping HPC compatibility in mind.
• Integrate security by design. Cover network segmentation, IAM, secrets, TLS, encryption and least-privilege principles.
• Plan for failure and growth. Define high availability, backup, disaster recovery, capacity and lifecycle strategies.
• Stay hands-on. Review configurations, prototype solutions and help investigate complex infrastructure issues.
• FinOps. Control costs on the platform and optimize spendings.
• Document decisions. Maintain architecture diagrams, standards and technical decision records.

Connaissances

Linux fundamentals

Networking fundamentals

Containers

Kubernetes

Hybrid cloud

Compute/storage basics

Automation tools

Technical documentation

Outils

Terraform

Ansible

Docker

Kubernetes

Description du poste

The Team

You join a technical team building and operating a platform across cloud, hosted and on-premise environments. You work closely with the CTO, DevOps engineers and tech leads in a technically rich environment combining health data, HPC, distributed services and data pipelines. Your main contact will be the DevOps Lead to define and operate a robust, distributed platform to absorb the oncoming growth of the client portfolio.

What You'll Do

• Design the infrastructure platform.
• Define pragmatic architectures for compute, networking, storage, containers and shared platform services.
• Standardize infrastructure. Define reusable patterns and technical standards that can be implemented and automated by the DevOps team.
• Design for operations. Ensure architectures are observable, maintainable, scalable and recoverable, keeping HPC compatibility in mind.
• Integrate security by design. Cover network segmentation, IAM, secrets, TLS, encryption and least-privilege principles.
• Plan for failure and growth. Define high availability, backup, disaster recovery, capacity and lifecycle strategies.
• Stay hands-on. Review configurations, prototype solutions and help investigate complex infrastructure issues.
• FinOps. Control costs on the platform and optimize spendings.
• Document decisions. Maintain architecture diagrams, standards and technical decision records.

Your Stack

Infrastructure : Linux, Docker, Kubernetes, VMs, bare metal

Automation : Terraform, Ansible

Networking : DNS, VPN, routing, firewalls, reverse proxies

Storage : S3, Ceph, MinIO, block/file storage

Platform : PostgreSQL, RabbitMQ, Kafka, Vault, Keycloak, Traefik

Environments : Cloud, on-premise, HPC

Security : IAM, TLS/mTLS, secrets, network security

What We're Looking For

• 5+ years in infrastructure, platform engineering or architecture
• Strong Linux, networking, compute and storage fundamentals
• Good knowledge of containers and modern application infrastructure
• Experience with hybrid, cloud or on-premise environments
• Knowledge of HDS environments and GDPR french reglementation
• Ability to translate business and technical constraints into pragmatic architecture
• Comfortable moving between architecture and hands-on troubleshooting
• Autonomous, structured and pragmatic
• Strong technical documentation skills

Nice to Have

Complementary experience in:

• SRE / observability / incident management
• Security architecture, IAM and hardening
• Hands-on Linux, storage or network operations
• Backup, recovery and infrastructure lifecycle management
• SLURM