Job Summary: We are seeking a Senior Platform Engineer with experience in OpenStack-based core infrastructure, capable of performing low-level interventions on critical systems. Key Highlights: 1. Hands-on role in core infrastructure 2. Participation in high-technical-level infrastructure 3. Engineering-focused culture **Senior Platform Engineer (Core Infrastructure & OpenStack) CDMX** At **Ignia**, we seek a Platform Engineer who understands what happens **under the hood**. Someone who does not merely execute automations, but can intervene when everything fails. If you know what occurs in the kernel when a VM loses performance… If you can trace a packet across namespaces and tunnels… If you have recovered a production cluster at 3 a.m.… THIS IS FOR YOU: Company: ignia.cloud Work Mode: Remote / Hybrid (Must reside in CDMX) Position Type: Full-time Level: Senior (3–5+ years of relevant experience) **Job Description** At ignia.cloud, we seek a Senior Platform Engineer with proven experience operating OpenStack-based critical infrastructure. We do not seek a profile focused solely on monitoring or executing predefined automations. This role requires deep technical capability to manually intervene in the operating system, virtualization, storage, and networking services during complex performance or connectivity failures. This is a hands-on role in core infrastructure. **Responsibilities** *OpenStack* * Advanced operation and troubleshooting of Nova, Neutron, Keystone, Glance, and associated services * API- and database-level diagnostics * Resolution of issues in production environments *CEPH* * Cluster administration and optimization * Latency diagnostics on OSDs * Management of critical rebalancing operations * Failure recovery *Virtualization & Operating System* * KVM/QEMU optimization * Kernel parameter tuning on Ubuntu Server (sysctl, hugepages, CPU pinning) * Instance performance tuning *Software-Defined Networking (SDN)* * In-depth OVS/OVN diagnostics * Troubleshooting using tcpdump, ip route, ovs-vsctl * Traffic analysis in Geneve/VXLAN tunnels * Resolution of routing and isolation issues *Automation* * Development and maintenance using Ansible and Terraform * Detailed understanding of OS-level changes applied *Bare-Metal Kubernetes* * Deployment and operation of Kubernetes on physical and virtual infrastructure * Integration with Cinder/CSI and Neutron/CNI *Required Qualifications* * 3–5+ years of experience administering and troubleshooting OpenStack * Practical experience recovering CEPH clusters * Advanced experience with Ubuntu Server * Low-level network debugging capability * Experience working in critical production environments * Ability to read Python code (OpenStack) for diagnostics * Advanced English **Candidate Profile We Seek** * Engineer with a deep problem-solving mindset * Ability to work under technical pressure * Performance- and stability-oriented * Autonomous with strong technical judgment **What We Offer** * Hybrid work mode * Participation in high-technical-level infrastructure * Real production challenges * Engineering-focused culture **If you have real experience working on OpenStack infrastructure and enjoy understanding low-level behavior, we want to meet you!!!!!** Position Type: Full-time Salary: $40,000.00 – $50,000.00 per month Work Location: Hybrid remote in 03810, Nápoles, CDMX