TGS International Group
Site Reliability Engineer - GPU
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Site Reliability Engineer - GPU
Senior Site Reliability Engineer – Data Centres (UK-Based, Remote)
UK-Based – Remote (with occasional travel across Europe) Competitive Salary
Role Description
As a Senior Site Reliability Engineer, you own the stability, availability, and performance of large-scale platforms running across our partners' data centre sites.
You serve as the L3 escalation point for the platform, developing and optimising scalable infrastructure, automating workflows, and implementing monitoring, logging, and alerting solutions.
Core Responsibilities
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Analyse and resolve the most complex incidents no one else has resolved
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Conduct root-cause analyses, plan capacity, and collaborate with development and operations to maintain service reliability, security, and efficiency
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Stay hands-on with:
- Provisioning automation (Ansible, PXE/iPXE)
- Infrastructure as Code (Terraform/OpenTofu)
- Production-grade Python tooling for bare-metal, GPU, and storage fleets
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Focus on bleeding-edge AI infrastructure, including:
- NVIDIA GPU systems, BlueField DPUs, and Host-Based Networking (HBN)
- InfiniBand fabrics and high-performance storage (VAST, Pure Storage, Lustre, GPFS/Spectrum Scale, etc.)
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Debugging poorly documented hardware and firmware across GPU, DPU, fabric, kernel, and storage layers
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Participate in a 24×7 follow-the-sun on-call rotation with clear handover processes
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Work in a remote-first (Germany/UK-based) environment with minimal European travel
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Shape processes, tools, and best practices, contributing ideas to improve reliability, security, and cost efficiency
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Act as a technical sparring partner for colleagues
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Qualifications
Required Experience
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GPU, DPU & Low-Latency Fabrics
- Hands-on production experience with:
- NVIDIA GPU systems and BlueField DPUs
- Host-Based Networking (HBN)
- InfiniBand fabrics (subnet management, topology, congestion, fault isolation)
- RoCE (RDMA over Converged Ethernet)
- Must be confident debugging bare-metal Linux environments with firmware/hardware at the kernel and fabric level
- Hands-on production experience with:
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High-Performance Storage
- Real-world operational experience with high-performance storage at scale (e.g., VAST, Pure Storage, Lustre, GPFS/Spectrum Scale, or WekaFS)
- Ability to diagnose performance and data-path issues across storage and network stacks
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Site Reliability & Infrastructure Engineering
- 5+ years in Site Reliability, Platform, or Infrastructure Engineering operating highly available production systems
- Proficient in infrastructure-as-code (Terraform/OpenTofu, Ansible) in bare-metal environments
- Strong Linux systems administration expertise (kernel parameters, networking, storage, systemd)
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Systems Administration & Troubleshooting
- Deep hands-on expertise in bare-metal Linux environments (Debian/Ubuntu)
- Networking fundamentals and security best practices
- Proven track record in structured L3 problem-solving and root-cause analysis
- Data centre hardware experience (BMC/iLO/iDRAC, racking)
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Software Development & Automation
- Production-grade Python (or Go) for internal tooling and automation
- Strong Bash scripting for operational workflows
- Comfortable with CI/CD pipelines, network-based provisioning (PXE, iPXE, preseed, kickstart)
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Monitoring & Operational Processes
- Hands-on experience with:
- Monitoring/observability (Prometheus, VictoriaMetrics, Grafana, OpenTelemetry, ELK)
- Incident/Change/Problem Management in a 24×7 on-call rotation
- Hands-on experience with:
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Collaboration & Communication
- Technical sparring partner for development and operations teams
- Excellent written and spoken English (team operates fully in English)
- Based in the UK or Germany
Bonus Experience
- NVIDIA DOCA and firmware-level troubleshooting
- HPC/AI-ML cluster operations (SLURM)
- Kubernetes (ingress-nginx, cert-manager, ArgoCD, Kustomize)
- Harbor, OpenBao, Portworx
- DCIM tools (Nautobot, NetBox)
- Virtualisation (Proxmox VE, OpenShift Virtualization/KubeVirt)
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