Oliver Haslinger

Systems Engineer / IT Project Manager
Email: [email protected] Location: Vienna, Austria Git: github.com/OHaslinger

Professional Summary

IT Project Manager and Systems Engineer with over 10 years of professional experience across enterprise and mid-sized environments. Strong background in Linux and Windows infrastructures, application support, security, and leading IT projects from demand management and planning through delivery and operations.

Infrastructure & Operations Philosophy

Key Skills

Scripting, Automation & Development
  • PowerShell, Bash / sh, Batch
  • Python (basic), Go / Golang (basic)
  • Workflow & process automation
Operating Systems & Platforms
  • Windows 95–11, Windows Server 2003–2019
  • Linux: Debian/Ubuntu, RHEL/CentOS, Arch
  • Raspberry OS, Android, macOS
Microsoft Infrastructure & Cloud
  • Active Directory (AD DS, GPO, WSUS, RSAT, ...)
  • Hyper-V, Windows Admin Center
  • Exchange 2008, Microsoft 365 / Office 365
Security, Monitoring & Operations
  • Backup & Recovery (Arcserve UDP)
  • Monitoring & analytics (Azeti, Sonarplex, Splunk, Grafana)
  • Endpoint, email & infrastructure security
Networking, Remote Access & DevOps
  • Network management & WLAN (Cloudtrax / Open Mesh)
  • Remote access & administration tools
  • Docker, Kubernetes (basic), Git (GitHub/GitLab/Bitbucket)
Enterprise Applications & IT Management
  • ERP, POS & industry-specific systems
  • Ticketing, project & test management tools
  • CMS, web platforms & collaboration systems

Hardware & Physical Infrastructure

Professional Experience

IT Project Manager
PforCards GmbH
Oct 2021 – Present
  • Responsible for demand management, planning, and execution of IT projects.
  • Technical client service and stakeholder management.
  • Conducted technical analyses and planning for internal and external applications.
  • Application expert for internally and externally developed software.
  • Incident and vulnerability management including on-call duty.
System Administrator
Kurt Mann Bäckerei & Konditorei GmbH & Co KG
Jul 2015 – Sep 2021
  • Administration of server, client, POS, and network infrastructure for the headquarters/production site and approximately 100 branch locations.
  • Operation and maintenance of access control and video surveillance systems.
  • Troubleshooting and resolution of hardware and software incidents including on-call duty.
  • Planning and execution of internal IT and infrastructure projects.

Selected Projects

Branch Client Infrastructure (Raspberry Pi-based Thin Clients)
System Administrator / Project Lead
  • Defined scope and requirements together with branch managers.
  • Designed and evaluated low-cost client solutions and sourced suitable hardware.
  • Developed and piloted a production-ready prototype.
  • Finalized Linux images including hardening, networking, server integration, and backup strategy.
  • Authored technical documentation and installation manuals.
  • Conducted training sessions and coordinated on-site rollout.
  • Technologies: Linux, Raspberry Pi, Networking, Backup, Documentation
Digital Staff Planning System for Branch Managers
System Administrator / Project Lead
  • Replaced paper-based staff planning with a digital solution.
  • Defined scope together with branch management and HR.
  • Evaluated and selected suitable software vendors.
  • Designed and implemented automated data exchange interfaces (BMD ↔ Planery).
  • Managed firewall rules, GPO adjustments, and user management.
  • Delivered training sessions and coordinated production rollout.
  • Technologies: Windows Server, GPO, Interfaces, Automation
Enterprise Monitoring Redesign (Azeti / Sonarplex)
System Administrator
  • Redesigned and modernized the existing monitoring solution.
  • Integrated all branches, critical endpoints, servers, and network devices.
  • Implemented automated outage notifications via mail and SMS.
  • Technologies: Monitoring, Linux, Network Monitoring, Alerting
Network Integration of Production Equipment (Branch Ovens)
System Administrator / Project Lead
  • Planned system and network integration together with equipment vendor.
  • Designed and deployed network infrastructure and server components.
  • Defined and sourced required hardware upgrades.
  • Delivered training sessions for branch technicians.
  • Coordinated and monitored on-site installations.
  • Technologies: Networking, Hardware Integration, Vendor Coordination
Process Automation & Internal Tooling (Mini-Projects)
System Administrator / Developer
  • Developed an internal project time tracking workflow using MS Forms, Excel, and Power Automate.
  • Built a web-based printer cartridge inventory system using repurposed hardware.
  • Implemented stock thresholds with automated email notifications and usage logging.
  • Developed an open-source PowerShell Text-to-Speech test tool to support accessibility (EAA) development.
  • Replaced a legacy Windows FTP server with a hardened Linux SFTP solution.
  • Planned, replaced, and configured the core switch stack to support fiber-optic connectivity.
  • Technologies: PowerShell, Linux, PHP, XAMPP, Power Automate, Security, Network

Certifications & Education