Miroslaw Lerch

Dedicated Firewall Administrator for RWE (Palo Alto, WatchGuard, Clavister) | Monitoring (Zabbix)

Proxmox for virtualization and optimization of IT infrastructure

Network Engineering & Security | Firewalls: Palo Alto / Juniper | Switching: Juniper / Cisco | WLAN: Extreme | Monitoring via PRTG & CA DX NetOps | Proxy (McAfee) & IP Management (Infoblox) | Incident and Change Handling | F5 | Migration from CA Spectrum and PRTG to CA DX NetOps (700+ sites)

Technical support for computer systems, software and hardware | Installation, configuration and troubleshooting of Windows desktops and laptops | Mobile device support: iOS, iPadOS, Android | Hardware repair, upgrades and replacements (printers, scanners, MDE, cameras) | Active Directory user and computer management | Windows Server 2012, Exchange, SharePoint | Windows Deployment Server, imaging and automated OS deployment | Issue tracking and resolution documentation

1st & 2nd Level Support | Help desk for hardware, software, network and applications | User setup: desktops, email, LDAP, VPN | Windows Desktop, Windows Server 2003/2008 R2, Active Directory, Exchange, VMware, OTRS, Microsoft Office | Install, configure and troubleshoot company software | Refresh end of life systems | Incident resolution, ticket handling and escalation | Hardware support for laptops, printers and scanners | Clear written and verbal communication

Windows Server 2003 support and implementation | Active Directory, Remote Desktop, file and printer sharing | Server installation, configuration, patching and upgrades | Backup and disaster recovery management | VMware installation, configuration and maintenance | Troubleshooting complex hardware and software issues | Hardware repair and replacement (printers, scanners) | Documentation and knowledge base updates | Monitoring systems and alert management | Customer and vendor interaction for issue resolution

PC hardware and software installation, configuration, maintenance and troubleshooting | User support for Microsoft applications | Administrative tasks and inventory control | Manage hardware and software changes and failures | LAN and WiFi support | Industrial networking (B&K) | Windows Server 2000, 2003 R2, 2008 R2 administration | Data protection, backups and archiving | Computer and peripheral repair | E-commerce backend administration | Forensics and customer-focused service

Planning and implementation of Windows Server 2008 Domain with focus on security aspects

User support for applications | Troubleshooting hardware and peripherals (printers) | Computer repair and maintenance | Data protection, backups and archiving | Windows Server 2000 and 2003 R2 administration | Cash flow management | Internet connectivity support

Grinding of fits on ball screw spindles, nuts and accessories made of hardened steel and aluminum with tight tolerances | Quality inspection | Maintenance and repair of machines | Organization and work planning | Broaching of keyways on conventional and CNC-controlled broaching machines

Manufacturing of various types of chains | Setup and operation of production machines | Production planning and organization | Material procurement | Quality inspection | Forklift operation

Erection and dismantling of various types of scaffolding and special constructions | Assembly and operation of mobile scaffolds, lifting and working platforms | Design of construction plans and technical sketches | Setup and securing of construction sites

Core areas: business informatics, economics, computer science, and basic mathematics. Gained knowledge in network technology, database systems, e-commerce, IT security and data protection, as well as project management. Elective module: Mobile Communication

Server and client operating systems, Office applications | PC technology | Data acquisition and output systems | Project: setup of a peer-to-peer network | Internet and intranet | Data backup and data protection | Communication skills and time management | Planning of PC system solutions

Hardware configuration and installation | Software setup | Planning, design and configuration of networks | Network operating systems | Basics of electrical engineering | Data security and data backup | Business administration | Fundamentals of databases

Assembly of scaffolds using system components and construction of special scaffolds, such as movable working platforms on buildings