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Build the backbone of next-gen defense technology! We are seeking a Senior Infrastructure Engineer to join a leader in the cutting-edge AI software development. This is a rare, day-1 opportunity to architect and deploy secure, mission-ready distributed systems for a leading European defense and aerospace ecosystem. Based in Athens, this full-time, permanent role puts you at the heart of scalable innovation, designing the high-performance infrastructure that powers field-proven AI in the theater of operations.
Job Responsibility:
Own the full stack (Compute, Storage, Network, Virtualization) for a highly available, on-premises data center
Deploy and manage K8s clusters for massive, distributed AI workloads
Automate everything using Terraform, Ansible, and CI/CD pipelines
Optimize hardware (GPUs, high-speed networking) for demanding ML/AI requirements
Manage databases, monitor capacity, and ensure 'mission-ready' security and resilience
Requirements:
6+ years in designing, implementing and maintaining distributed infrastructures
At least 6 years of experience in complex, high-performance distributed environments
Deep expertise in networking, including routing, switching, VLAN/VXLAN, firewalls, load balancing and software-defined networking
Strong experience with VMware or similar hypervisors
Extensive experience designing and operating Kubernetes clusters for large-scale distributed workloads
Experience with storage systems such as distributed storage, SAN/NAS, and software-defined storage
Deep knowledge of server architecture and GPU configurations
Strong knowledge of Linux operating systems and system internals