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Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates extensive experience in Linux infrastructure and virtualization engineering, with a strong focus on server administration, performance optimization, and troubleshooting. Proficient in managing enterprise-grade physical servers and virtualization environments, particularly with Proxmox and KVM technologies.
Highest-signal resume keywords
Linux AdministrationVirtualization EngineeringProxmox VEKVM/QEMU ConceptsInfrastructure Optimization
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Server InstallationFirmware UpgradesPerformance TroubleshootingResource OptimizationInfrastructure MaintenanceBash ScriptingPython ProgrammingAnsible AutomationBIOS/UEFI ConfigurationRAID/HBA Management
Tools & Technologies
UbuntuProxmoxKVMIDRACILOIPMI
Industry Keywords
Data Center ManagementInfrastructure AvailabilityVirtualization ArchitectureStorage PerformanceIncident Analysis
Tech Stack
Tools & technologiesAnsibleLinuxPython
About the role
Key responsibilities & impact- Install, configure, maintain, and troubleshoot enterprise-grade physical servers in a data center
- Perform BIOS/UEFI, BMC (iDRAC/iLO/IPMI), RAID/HBA, and NIC firmware upgrades
- Configure and optimize server hardware, including CPU topology, memory, and storage
- Diagnose hardware failures and performance issues
- Prepare and repurpose existing hardware for new virtualization environments
- Install, administer, troubleshoot, and optimize Linux servers, primarily Ubuntu
- Deploy, maintain, and troubleshoot Proxmox VE clusters and KVM-based virtualization environments
- Perform root cause analysis of infrastructure incidents
- Optimize resource utilization, stability, and infrastructure capacity
- Maintain backup, recovery, and infrastructure availability procedures
- Independently plan and execute infrastructure upgrades, migrations, and maintenance activities
- Evaluate technical risks and implement appropriate validation and rollback procedures
- Automate routine infrastructure tasks using Bash, Python, or Ansible
- Document infrastructure configurations, procedures, and architectural decisions
Requirements
What you’ll need- 5+ years of relevant hands-on Linux infrastructure or virtualization engineering experience, including substantial responsibility for production systems
- Strong Linux administration, troubleshooting, and performance optimization skills
- Understanding of Linux storage and filesystems, including storage performance troubleshooting
- Strong understanding of virtualization architecture and hypervisor internals, including KVM/QEMU concepts, CPU and memory management, storage, and networking
- Hands-on experience administering and troubleshooting production virtualization hosts or clusters
- Experience with Proxmox/KVM is preferred; substantial low-level experience with other platforms may also be considered
- Willingness and ability to perform hands-on work at physical data center location (Sofia) when required