# lluminarr > lluminarr B.V. is a one-person technical consultancy operated by Marius Rugan, > specialising in cloud-native infrastructure, DevOps/DevSecOps, and AI/ML operations. > Engagements are hands-on: Marius works directly with clients, not as a manager > of a delivery team. The company is registered in the Netherlands and serves > clients globally, with a bias toward European and US timezones. lluminarr takes on consulting and bespoke development work across cloud platforms, Kubernetes ecosystems, and AI infrastructure. Engagements typically involve architecture design, implementation, security hardening, and knowledge transfer. Workshops are available for teams looking to build internal capability. The consultancy is not a staffing agency and does not subcontract work. Clients engage directly with Marius for the full duration of an engagement. ## Services - [Cloud Infrastructure & Architecture](https://lluminarr.com/#expertise): Multi-cloud design and implementation across AWS, GCP, Azure, Scaleway, DigitalOcean, Hetzner, and bare metal. Landing zone design (Day 0/1/2), IaC (Terraform, Pulumi), cost optimisation. - [Kubernetes & Container Platforms](https://lluminarr.com/#expertise): K8S, K3S, OpenShift, container orchestration, distributed systems, platform engineering. - [DevOps/DevSecOps](https://lluminarr.com/#expertise): CI/CD pipeline design, security posture management, adversarial thinking, IaC scanning, policy-as-code, logging, monitoring and observability. - [AIOps / MLOps / DataOps](https://lluminarr.com/#expertise): AI inference and training infrastructure on GPU compute clusters (Lambda Labs, CoreWeave, FluidStack, Vast.ai, OnPrem). NVIDIA CUDA ecosystem, PyTorch, TensorFlow, Jupyter. - [Security & Due Diligence](https://lluminarr.com/#expertise): Adversarial security reviews, reverse engineering, technical due diligence for investors and acquirers. - [Workshops](https://lluminarr.com/#expertise): Hands-on team training in cloud-native security, Kubernetes operations, and AI infrastructure. ## Contact & Engagement - [Contact](https://lluminarr.com/#contact): marius@lluminarr.com — preferred first contact for new engagements. No intake form; direct email only. - [GitHub](https://github.com/mariusrugan): Public repositories and starred projects. - [LinkedIn](https://www.linkedin.com/in/mariusrugan): Professional background and history. ## Optional - [Full site content](https://lluminarr.com/llms-full.txt): Complete plain-text version of all site content for LLM context loading.