What are the responsibilities and job description for the Senior Infrastructure Engineer position at Info Dinamica Inc?
Role: Senior Infrastructure Engineer
Remote (US)
Job Type: Contract
Critical Skills:
1. Ceph Storage Engineering: Expert / Advanced
- Design, deploy, operate, troubleshoot, and scale Ceph clusters.
- Strong understanding of:
- MON, MGR, OSD, MDS
- RBD
- CephFS
- RGW / object storage
- CRUSH maps and failure domains
- Pools, placement groups, replication and erasure coding
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- Diagnose:
- degraded/undersized PGs
- slow OSDs
- recovery/backfill problems
- capacity imbalance
- latency and throughput bottlenecks
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- Understand storage networking, disk/SSD/NVMe characteristics, failure scenarios and performance tuning.
- Ability to design Ceph for large production virtualization workloads, rather than simply administer an existing cluster.
2. Proxmox VE: Advanced
Candidate should be able to:
- Design and administer multi-node Proxmox VE clusters.
- Deploy and manage KVM virtual machines.
- Understand Proxmox clustering and quorum.
- Integrate Proxmox with Ceph-backed storage.
- Configure Linux bridges, VLANs, bonding, and storage/network separation.
- Troubleshoot cluster, compute, storage, and VM problems.
- Plan node maintenance and workload evacuation.
- Design HA and failure-domain strategies.
- Perform or plan migrations from VMware/OpenStack into Proxmox.
- Understand backup/recovery architecture for Proxmox environments.
- Automate VM provisioning and lifecycle management through APIs/IaC.
3. OpenStack: Advanced
Critical knowledge:
- Nova
- Neutron
- Cinder
- Glance
- Keystone
- Horizon
- Placement
- OpenStack/Ceph integration
- Compute-node lifecycle
- Networking concepts and troubleshooting
- Instance and image lifecycle
- Upgrade planning and execution
- Troubleshooting control-plane and compute services
4. VMware vSphere: Advanced
Require knowledge of:
- ESXi
- vCenter
- VM lifecycle management
- vMotion
- HA/DRS
- Datastores and storage integration
- Virtual networking / distributed switching
- Cluster maintenance
- Resource contention
- Troubleshooting VM performance
- Migration/export/import concepts
5. Linux Systems Engineering: Expert
- RHEL / Rocky / Alma / Ubuntu
- systemd
- LVM
- multipath
- filesystems
- kernel troubleshooting
- package/repository management
- TCP/IP troubleshooting
- performance analysis
- Bash/Python scripting
6. Infrastructure as Code & Automation: Advanced
I'd explicitly require:
- Ansible
- Terraform
- Git
- CI/CD
- REST APIs
- Python and/or Bash
7. Infrastructure Networking: Advanced
Require solid knowledge of:
- TCP/IP
- VLANs / 802.1Q
- LACP/bonding
- MTU/jumbo frames
- routing
- DNS
- DHCP
- Linux bridges
- virtual networking
- storage networking
- firewall/security zones
- redundant network design
8. Bare-Metal / Data Center Infrastructure: Advanced
- Server hardware lifecycle
- Firmware / BIOS
- RAID/HBA concepts
- SSD/NVMe/SAS
- NIC configuration
- Out-of-band management
- Rack/power/network dependencies
- Hardware failure diagnosis
- Capacity planning
9. Resilience, Backup & Disaster Recovery
The engineer should understand:
- HA versus DR
- RPO/RTO
- VM backup architecture
- Ceph failure domains
- node/rack/site failure scenarios
- restore testing
- capacity headroom during failures
- maintenance without service interruption
Critical Technical Skills:
- Advanced hands-on experience designing, deploying, operating, troubleshooting, and scaling Ceph distributed storage environments supporting production virtualized workloads.
- Advanced experience with Proxmox VE, including clustered virtualization, high availability, Ceph integration, networking, storage, lifecycle management, backup/recovery, and automation.
- Advanced experience administering and troubleshooting OpenStack, including Nova, Neutron, Cinder, Glance, Keystone, compute infrastructure, networking, and Ceph integration.
- Advanced experience with VMware vSphere, including ESXi, vCenter, HA/DRS, virtual networking, storage, lifecycle management, troubleshooting, and workload migration.
- Expert-level Linux engineering skills with Red Hat-derived and Ubuntu distributions in large production environments.
- Strong infrastructure-as-code and automation experience using Ansible, Terraform, Git, Python and/or Bash.
- Strong infrastructure networking knowledge including TCP/IP, VLANs, routing, bonding/LACP, MTU, DNS, firewalls, virtual networking, and high-performance storage networks.
- Experience designing and supporting bare-metal server infrastructure, including compute, storage, network interfaces, firmware, hardware lifecycle, and data-center deployment.
- Demonstrated ability to perform large-scale virtualization and storage migrations, including discovery, capacity planning, dependency analysis, migration testing, rollback planning, and post-migration validation.
- Strong understanding of high availability, backup/recovery, disaster recovery, capacity management, monitoring, performance tuning, security, and platform lifecycle management.