Senior Infrastructure Engineer

Dinamica Inc

United States

4 days ago

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Role details

Contract type

Contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Working hours

Regular working hours

Job source

www.dice.com

Tech stack

Proxmox IEEE 802.1Q Link Aggregation (Ethernet) Application Programming Interfaces (APIs) Bash Shell BIOS Ubuntu (Operating System) Computer Networks Continuous Integration Data Centers Data Stores Dynamic Host Configuration Protocol

+42 more

Linux Disaster Recovery RAID Distributed Data Store Domain Name System (DNS) VMware ESX Servers Firmware Storage Area Network (SAN) Python (Programming Language) Kernel-Based Virtual Machine Logical Volume Manager Network Planning and Design Network Interface Routing Network Virtualization OpenStack Performance Tuning Red Hat Enterprise Linux Ansible SAS (Software) Software Configuration Management TCP/IP Virtual Local Area Networks Virtual Machines Virtualization Technology VMware VSphere Backup and Restore Ceph (Software) Scripting Openstack Neutron System Availability Firewalls (Computer Science) Git Cinder (Software) Vcenter Bare Metal Hardware Asset Management Hardware Infrastructure Restful APIs Terraform Nvme Vmware

Job description

CephFS
RGW / object storage
CRUSH maps and failure domains
Pools, placement groups, replication and erasure coding
Diagnose:
degraded/undersized PGs
slow OSDs
recovery/backfill problems
capacity imbalance
latency and throughput bottlenecks
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.

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.

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

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

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
Infrastructure as Code & Automation: Advanced I’d explicitly require:

Ansible
Terraform
Git
CI/CD
REST APIs
Python and/or Bash

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

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
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

Requirements

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.

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