Technical profile

Skills & technologies

Understand systems. Back up the results.

My focus is systems integration: Windows and Linux systems, networks and verifiable operations. I applied the following knowledge in my training projects.

Practice in a training lab
The evidence shows configurations, tests and implementation limits. It describes my learning progress, not years of professional experience.

Windows Server & Identity

Created domains and OUs, nested security groups and tested SMB/NTFS permissions through access checks.

Windows ServerActive DirectoryPowerShellSMBNTFS

Practical configuration in two documented Windows lab environments.

Networks & Addressing

Planned IPv4 subnets with VLSM and extended a LAN to dual stack. Tested static IPv6 addressing, SLAAC and neighbour discovery.

IPv4/VLSMIPv6EthernetSLAACNDP

Routing and VLAN separation are also documented in the site infrastructure project.

Virtualization & Network Segmentation

Provisioned systems in Hyper-V, assigned access VLANs and a router trunk, and connected infrastructure roles in the Proxmox lab.

Hyper-VProxmoxVHDX802.1QNAT

Resource planning and virtual networking are documented; high-availability operation is not claimed.

Linux & Network Services

Administered Debian through the shell, edited BIND9 zones and tested DNS queries. Worked with Kea DHCP options and client addressing in the lab.

DebianBashsystemdBIND9Kea

Configuration checks and resolver diagnosis are evidenced; a complete Kea lease export is not available.

Storage, Backup & Recovery

Compared TrueNAS and Windows Storage Spaces in the lab. Extended an rsync backup to web content, scheduled it with Cron and verified restored files by comparison.

TrueNASRAIDZ1Windows Storage SpacesrsyncCron

The restore evidence covers individual files. RAID is not presented as a replacement for backups.

Containers & Server Applications

Built a web-server image and ran Nextcloud with MariaDB and Redis as a Compose stack. Checked port mappings, container status and HTTP responses.

DockerDocker ComposeApacheNextcloudMariaDBRedis

Native and containerized applications were investigated side by side; no production migration is claimed.

Scripting & Operational Diagnosis

Used PowerShell pipelines for system checks and monitored infrastructure with Uptime Kuma and AutoKuma. Diagnosed issues through logs, ports and heartbeats.

PowerShellUptime KumaAutoKumaHTTPTCP/IP

Foundations in scripting and automation; monitoring reachability is distinguished from a complete application test.

Access Control & TLS

Checked SSH access and effective authentication settings. Created a self-signed TLS certificate with OpenSSL and integrated it into Apache.

OpenSSHsudoOpenSSLApacheTLS

Documented security foundations in the lab: no claim of fully disabled password login or a publicly trusted certificate chain.