renars_piesis.profile
Renārs Piesis
IT Specialist
Network infrastructure, security, and system reliability for modern businesses.
- Location
- Valmiera, Latvia
- Experience
- 5y 1m
- Education
- B.Sc. Programming Engineering 2025
- Status
- Open to collaborate I work full-time in IT, but I'm always down to collaborate on interesting projects, consult on infrastructure challenges, or help out where I can.
about.txt
Renārs Piesis — IT Specialist with real-world experience delivering infrastructure, security, and system administration solutions across diverse environments. No theory. No fluff. Just systems that work.
From network design to server hardening, I bring hands-on expertise to every project. Enterprise or SMB, the standard stays the same: reliable, secure, and built to scale.
- B.Sc. Programming Engineering VIA University College, 2025
- Valmiera, Latvia Based in Vidzeme, working across Latvia
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Infrastructure & Network
- Network design & deployment (LAN/WAN)
- Router/switch config (MikroTik, Ubiquiti)
- VPN setup (WireGuard, OpenVPN)
- Monitoring & uptime optimization
Network Security
- Firewall configuration & hardening
- Threat detection & prevention
- Secure remote access systems
- Zero-trust principles & segmentation
Server & Virtualization
- Windows Server & Linux administration
- Virtualization (Proxmox, VMware, Hyper-V)
- Backup systems & disaster recovery
- Performance optimization & scaling
Client Systems & Devices
- Workstation setup & maintenance
- Patch management via automation
- Printer fleet management
- Remote support systems
Surveillance & IPC Systems
- IP camera installation & configuration
- Remote monitoring systems
- Secure storage & access control
- Integration into network environments
Automation & Modern IT
- Deployment of monitoring agents
- System automation scripts
- Infrastructure efficiency improvements
- Lightweight DevOps practices
experience.db
SIA Bramex
IT Specialist 2021– 5y 1m| network | |
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Planned and executed a complete network infrastructure migration to the Ubiquiti UniFi ecosystem. Replaced legacy hardware, redesigned VLANs, and delivered zero-downtime cutover for production environments.
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| cloud | |
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Executed full organization migration to Microsoft 365 — mailboxes, SharePoint, Teams, and identity management. Handled data migration, DNS cutover, and user onboarding with minimal disruption.
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| automation | |
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Deployed remote monitoring and management agents across client fleets. Automated patch management, alerting, and system health reporting — reducing manual intervention by hours per week.
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| security | |
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Implemented enterprise-grade firewall policies across MikroTik and pfSense deployments. Rolled out WireGuard and OpenVPN tunnels for secure site-to-site and remote access.
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| infrastructure | |
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Migrated physical servers to Proxmox and VMware clusters. Built automated backup pipelines and disaster recovery procedures — tested and documented for fast failover.
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| surveillance | |
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Installed and configured IP surveillance systems with NVR integration. Set up remote access, secure storage, and network segmentation for camera traffic across multiple client sites.
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No matches
stack.sys
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- MikroTik RouterOS Router and firewall operating system — routing, VPN and traffic rules
- Ubiquiti UniFi Switches, access points and gateways managed from one controller
- VLAN Management Splitting one physical network into isolated, separately secured segments
- WireGuard Modern, fast VPN for remote staff and site-to-site links
- OpenVPN Widely supported VPN for secure access to the office network
- IP Camera / NVR Network cameras and the recorders that store and serve their footage
- Uniview IP surveillance hardware: cameras, recorders and access control
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- Proxmox VE Open-source platform running many virtual servers on one machine
- VMware ESXi Enterprise hypervisor for consolidating physical servers
- Hyper-V Microsoft's virtualization, built into Windows Server
- Windows Server Microsoft server OS: domains, file shares, printing and business apps
- Debian Stable Linux distribution for long-running production servers
- Ubuntu Server Linux server distribution with broad software and vendor support
- Docker Containers that package an application with everything it needs to run
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- Microsoft 365 Email, Office apps and cloud storage for the whole organisation
- SharePoint Central document storage and internal company sites
- Exchange Online Hosted business email, calendars and shared mailboxes
- Microsoft Teams Chat, calls and meetings tied to Microsoft 365 accounts
- Google Workspace Gmail, Drive and Docs for business, with managed accounts
- Active Directory Central user accounts, passwords and access permissions
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- Synology NAS Network storage appliance for shared files and automated backups
- RAID Configuration Disk redundancy so a single drive failure loses no data
- NAS / File Systems Shared network drives and how data is structured on them
- Cobian Backup Scheduled file backup for Windows systems
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- Dell iDRAC / HP iLO Out-of-band server management — power, console and health without the OS
- UPS / APC Battery backup keeping servers and network alive through power cuts
- Structured Cabling Ordered network cabling, patch panels and labelled runs
- Rack Installation Mounting and wiring server and network equipment in racks
- Wi-Fi Site Surveys Measuring coverage and interference before placing access points
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- Bash / PowerShell Scripting that automates repetitive administration work
- Git Version control for scripts and system configuration
- RMM Systems Remote monitoring and patching across many machines at once
- DNS Management Domain records that route mail and web traffic to the right place
- TeamViewer Remote desktop support for users wherever they are working
- RDP / VNC Direct remote access to servers and workstations
- ESET Endpoint antivirus and threat protection across the fleet
contact.exe
Have a project, a problem, or an infrastructure that needs attention? Reach out. I respond fast and keep things moving.
Message Sent
Thanks for reaching out. I'll get back to you shortly.