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Infrastructure Engineer (Azure • Elixir) Who We Are Seeking: We seek a talented and experienced DevOps/Distributed Systems Engineer to operate and harden our Elixir services and Hyperledger Besu nodes network on Microsoft Azure. This role presents an excellent opportunity for those looking to work in a dynamic environment and be part of a high-performing international team, offering ample opportunities for growth and development in technical and interpersonal skills.  Your Role and Responsibilities will be to design, set up, and operate: Elixir stack – Elixir/OTP, Phoenix, Ecto, Oban, and OpenTelemetry nodes and services. Besu on Azure – validators/peers, permissioning, bootnodes, IBFT/QBFT configs, genesis updates, hard-fork rollouts, RPC/WS endpoints behind Azure gateways. Storage & performance – tune Besu (JVM/RocksDB), use Premium SSD v2 / Ultra Disk, optimise IOPS/throughput, and set up snapshot/restore via Azure Blob Storage. Networking – secure VNets/subnets with Azure CNI (Cilium), NSGs, Private Endpoints/Private Link, NAT Gateway, and VNet peering/ExpressRoute. Traffic & ingress – expose RPC/WS via Azure Application Gateway or Nginx Ingress with WAF, mTLS, rate limiting, and IP allowlists. Secrets & keys – manage validator keys and app secrets using Key Vault / Managed HSM, Managed Identities, and least-privilege RBAC via Entra ID. CI/CD & GitOps – deliver immutable releases with GitHub Actions or Azure DevOps, ACR (signing/scanning), Helm, and Argo CD or Flux. Observability & SRE – Azure Monitor + Log Analytics, Managed or self-managed Prometheus/Grafana, OpenTelemetry traces, alerting, runbooks, SLOs and error budgets. Essential Qualifications: 5+ years in DevOps/SRE/Platform roles running distributed systems in production. Strong Azure background: AKS, VNet/NSG/Private Link, Key Vault, ACR, Azure Monitor/Log Analytics, and Application Gateway/WAF. Solid Linux and networking fundamentals (TLS, DNS, routing, firewalls, load balancing). Proven observability practice: metrics, logs, traces, actionable alerting, SLOs/runbooks. Excellent written and spoken English (daily collaboration across teams). Who We Are: DevGrid is a top-tier software consulting company based in the UK, with a development hub in Brazil and operations spanning Europe and the US. We believe that world-class software can only be created by a motivated and enthusiastic team in an environment that fosters creativity and free thinking. Established in 2015, we aim to drive innovation and digital transformation by combining our robust business culture and exceptional engineers with forward-thinking business insights. What We Offer: Contract-based hiring; Full-time opportunity (40 hours per week); 100% remote work/home office; Performance-based bonuses tied to achievements and deliverables; Open and flexible time-off policy; Supportive and collaborative work environment; Equipment program; Paid days off per year + holidays (variable) + recess days; Sponsorship program for relevant courses and training. For more information, visit: Website: Glassdoor: **All DevGrid positions are open to individuals from all backgrounds (including all races, colors, nationalities, religions, genders, sexual orientations, disabilities, ages, or other applicable characteristics), promoting equal opportunities and affirmative action. If you're interested in the job opening and our mission, come join us on this journey Live long and prosper

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