User details
BM
BM
Bartosz Madraszewski
@bartosz_madraszewski_xje1oy95o
IT Manager
Kik, Poland
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Member since: Jan 22, 2025Microsoft Certified Professional with over 24 years of experience supporting cloud infrastructures, servers, desktops, laptops, TCP/IP networks (including wireless), printers, and applications. Graduated with an in and Electronics (specialization in and and as an Electronics Engineering Technician. Passionate about IT, I possess strong technical and troubleshooting skills combined with an outgoing personality, thriving in collaborative environments. Over the last ten years, I successfully worked independently during nights and weekends. With a proven track record as an IT Manager, I have led teams effectively, taking a hands-on approach to problem-solving and consistently delivering excellent results.
• By developing automated server deployment tools, reduced delivery time by 90%.
• Developed scripts for patching software deployment and integration, shortening deployment times to minutes per customer.
• Designed maintenance automation scripts (e.g., for space clearing and licensing), minimizing manual interventions.
• Built and managed a VMware-based disaster recovery (DR) environment for internal systems and customers.
• Implemented standardized workflows in ServiceNow, cutting response times by 80% and reducing errors.
• Managed physical-to-virtual and VMware-to-Azure server migrations.
• Managed and resolved issues in Windows Server 2003-2022 infrastructure.
• Supported Citrix environments (versions 6.5 and 7.xx) and public/private cloud platforms.
• Administered AD, DNS, DHCP, DFS, GPO for internal and customer environments.
• Supervised backups (Veeam, CommVault), updates (SolarWinds Patch Manager, Ansible/AWX), and monitoring systems (ConnectWise, ServiceNow, LogicMonitor).
• Mentored junior team members and participated in on-call rotations.
• Provided 24/7 support for over 100,000 Windows and Linux (Red Hat) servers across 10 UK data centers and two global POPs (New York and Hong Kong).
• Configured and maintained bare-metal servers and SAN/NAS devices.
• Monitored servers with SNMP and Nagios, ensuring high availability and rapid response to issues.
• Acted as the primary technical contact for customer issues, maintaining excellent communication.
• Managed all IT assets and provided 2nd/3rd line support for customers.
• Designed and deployed a VMware virtualization environment and implemented SolarWinds Orion for monitoring.
• Created and launched a 30-rack in-house data center, later sold as a commercial product.
• Supported enterprise IT systems, including Active Directory, Exchange, DNS, DHCP, IIS, and VMware farms.
• Collaborated with internal teams and third-party suppliers to resolve network and IT issues efficiently.
• Provided support for distributed ERP systems, IBM WebSphere-based Media Servers, and Dashboard Servers.
• Performed remote support for Windows Server, AIX, SCO, and HP-UX environments.
• Monitored and maintained infrastructure, proactively addressing issues before they escalated.
• Provided support for over 1800 users - Windows, Office, Novel, Internet, intranet, Ethernet.
• Logged incoming support calls.
• Provided 1st and 2nd line PC hardware support and systems maintenance in accordance with departmental procedures.
• Troubleshoot system and network issues, resolved hardware and software problems.
• Modernized IT network infrastructure, implementing secure LAN/WAN solutions.
• Installed, configured, and maintained Windows Server, Linux, and HP-UX systems.
• Developed custom scripts to optimize backup and recovery processes.
• Implemented CAD software solutions on HP-UX platforms.
• Designed and engineered rail switches, collaborating with international clients in Greece, Romania, Germany, and France.