Mateusz Nitka MTNT - IT Services

I offer project design, administration, implementation and security audits of backup systems, support in creating BCP and DR procedures for small and medium-sized businesses, as well as other IT services related to virtualization and comprehensive IT administration.

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Service Areas

My specialization is backup systems, but I also offer comprehensive support in other areas.

Backup

  • Designing and implementing backup systems
  • Administration, monitoring, troubleshooting
  • Security and configuration audits
  • Documentation creation, team training

BCP & DR

  • Creating Business Continuity and Disaster Recovery policies
  • Designing and testing recovery plans
  • Business needs analysis for BCP&DR
  • Procedure reviews and updates

Virtualization

  • Deploying and optimizing Proxmox VE
  • Designing high-availability clusters
  • Virtual machine backup and replication
  • Virtual environment administration (Proxmox, VMware)

Other Services

  • Technical support for small and medium businesses
  • Web, file, application server and network services configuration
  • Network design, segmentation (Mikrotik)
  • IT infrastructure security audit

Selected Projects

Examples of completed projects for various companies and industries. Click to expand details.

Commvault Infrastructure Migration

Project for international large client • 2023-2025

Challenge: Migration of entire backup infrastructure (Commvault) between data centers without impact on daily running backups.

Solution: Designed and executed Commvault environment migration while maintaining backup operations continuity (zero downtime).

Result:

  • Seamless migration of entire backup environment between data centers
  • No interruptions in backup operations
  • Full compliance with corporate security standards
  • Migration and operational procedures documentation
Commvault Linux Windows Server

Backup Audits

Various companies from banking and state-owned sectors • 2022-2023

Challenge: Analysis of architecture, configuration, procedures and security.

Solution: Meetings with engineers, reviewing backup system configurations.

Result:

  • Complete audit documentation covering backup and BCP procedures
  • Detailed list of identified problems and vulnerabilities, as well as evaluation of strengths of presented solutions
  • List of short and long-term recommendations
Storware DataDomain Veritas

Protocols Manager

Plugin generating equipment usage protocols in GLPI • 2019-2023

Challenge: Need for manual writing of equipment handover protocols for employees.

Solution: Development and maintenance of a plugin (PHP) generating fully configurable equipment usage protocols based on GLPI data.

Repository link: Github

Result:

  • Automatic PDF protocol generation
  • Plugin fully compliant with GLPI framework
  • Full configurability and permissions management
  • Open-source licensed plugin currently being developed by other users, over 20 forks of my code
PHP GLPI MySQL HTML

Homelab

Hobby homelab project based on Proxmox • 2021-2026

Challenge: Creating and developing an environment for testing various backup solutions, security tests and other tasks while maintaining standards as close as possible to corporate ones.

Solution: 3-node Proxmox VE cluster, HA, ZFS storage with TrueNAS. More information on the blog: [under construction].

Proxmox Mikrotik Linux TrueNAS

Technologies

I feel most comfortable with Commvault, Veeam and Proxmox technologies, but I also have many years of experience with other systems and applications.

Proxmox
Commvault
Veeam
Linux
Storware
Synology
VMware
TrueNAS

About Me

IT specialist with over 10 years of experience in IT systems administration, backups, implementations and audits for both large corporations and small businesses. My service area covers Mazovia voivodeship, mainly Warsaw and the Garwolin area.

I hold Commvault Professional and CCNA certifications.