Hubert Grabka Email and Phone Number
Results-driven and highly skilled IT professional with a proven track record in managing service teams, implementing innovative solutions, and optimizing IT infrastructure. Over 20 years of experience in IT administration, network management, and cybersecurity. Adept at creating and implementing business processes, automating tasks, and ensuring the security and efficiency of IT environments.I know how to talk to people who don't like technology. I like to train people and explain complex ideas using analogies and simplifications. Service Management: Strategic Planning, Business Analysis, Data Analysis, Process Improvement, Budgeting , KPI, SLA, ITSM, ITIL, Jira, Service NowProject Management: Risk Management, Planning and Scheduling, Waterfall, Agile, Scrum, Kanban, Confluence, Jira, ServiceNow, Asana, MS ProjectTechnical Writing and Documentation: MS Visio, IT Glue, ConfluenceOSINT: WHOIS, RIPE, ARIN, Nikto, Boguster, Maltego, SpiderFoot, Shodan, Nmap, tracerouteOperating Systems Knowledge: Debian, Red Hat Ubuntu, Windows Server, macOSNetworking: TCP/IP, DNS, DHCP, VPN, STP, VLAN, ARP, SNMP, Netflow, Mikrotik, UniFi, OpenVPN, IPSec, Wireguard, WiresharkServer Management: VMware, Hyper-V, Proxmox, AD, DFS, GPO, NPS, RDS, Apache Nginx, Tomcat, OpenLDAP, Samba, HTTP, FTP, Apache, Nginx, Veeam, MySQL, Microsoft SQL Server, PostgreSQL, Qmail, Sendmail, Dovecot, Spamassassin, Amavis, Clamav, Bind, GLPI, SCCMCloud Computing: AWS, AzureSaaS Management: Entra ID, Intune, Exchange Online, Sharepoint, OneDrive, Teams, Microsoft 365, Google Workspace, Scripting and Automation: Bash, PowerShell, Python, Power Automate, YAMLCybersecurity: Security Policies, IAM, UTM, EDR, SIEM, PAM, IDS, DLP, Vulnerability Scanning, Palo Alto, Huntress, Cynet, Wazuh, Snort, Safetica, Microsoft Defender, Cisco UmbrellaStorage Management: SAN, NAS, RAID, iSCSI, Azure storage, S3, DRBD, CephMonitoring and Troubleshooting: Nagios, Zabbix, Grafana, Kibana, PrometheusGallup Assesment: Achiever, Competition, Consistency, Intellection, Activator.
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Service Delivery ManagerExigo 2006 - PresentWarsaw, Masovian District, Poland• Managing a service team of 7• Hiring, verification and training of employees• Choosing and cooperation with vendors• Creating and improving procedures and business processes for service delivery• Detecting, inventorying and documenting tools, services and infrastructure of new Clients• Working on over 40 Client's IT strategies and supervising their implementation• Managing over 100 servers, 30 networks and 30 Microsoft 365 tenants• Managing cloud computing… Show more • Managing a service team of 7• Hiring, verification and training of employees• Choosing and cooperation with vendors• Creating and improving procedures and business processes for service delivery• Detecting, inventorying and documenting tools, services and infrastructure of new Clients• Working on over 40 Client's IT strategies and supervising their implementation• Managing over 100 servers, 30 networks and 30 Microsoft 365 tenants• Managing cloud computing services• Automating processes• Creating security policies and managing Client's cybersecurity solutions• Writing technical documentation for processes and infrastructure• Changed business processes and tools, providing measurements of service team KPIs, workforce utilisation and Clients’ profitability which led to a 20 % profit increase• Implemented Connectwise Automate, CheckCentral, Zabbix, Wazuh, Immybot. Leading to proactive actions and automation which allowed for a decrease in ticket count by 40%• Designed IT infrastructure documentation, allowing a consistent description of all Clients' IT environments which increased team productivity• Brought to company's offer many innovative solutions short after their premieres (offering year): Veeam Backup & Replication (2009), Microsoft 365 (2013), Azure (2013), Cisco Umbrella (2016), Sentinel One (2017), Huntress (2022), Palo Alto (2023), Safetica (2023)• Migrated about 30 companies from legacy hostings to Microsoft 365 solutions without business interruption.• Designed, created and managed www and email hosting Show less -
System AdministratorAgora Sa 2003 - 2006Warsaw, Masovian District, Poland• Administered over 30 Linux servers and applications• Provided helpdesk services for over 300 users• Was responsible for broadcast continuity of 5 radio stations• Designed high-availability solutions for radio stations• Discovered and inventoried IT infrastructure of several dozen Agora's radio stations across Poland for identification of attention-needing areas• Managed implementation of central Identity and Access Management solution and its integration with… Show more • Administered over 30 Linux servers and applications• Provided helpdesk services for over 300 users• Was responsible for broadcast continuity of 5 radio stations• Designed high-availability solutions for radio stations• Discovered and inventoried IT infrastructure of several dozen Agora's radio stations across Poland for identification of attention-needing areas• Managed implementation of central Identity and Access Management solution and its integration with miscellaneous applications for over 20 radio stations across Poland Show less -
System AdministratorOptimum Audio 2000 - 2003Warsaw, Masovian District, PolandAdministered IT systemsProvided helpdesk servicesPresented, implemented and trained users about different solutions sold by the companyBuilt physical IT infrastructure of several radio stationsImplemented Snort IPS among clients and reported violations to responsible bodiesBuilt and administered IT infrastructure of TV FamilijnaImplemented Internet streaming of radio Plus for a few thousand listeners daily
Hubert Grabka Education Details
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Sieci Komputerowe I Telekomunikacja
Frequently Asked Questions about Hubert Grabka
What company does Hubert Grabka work for?
Hubert Grabka works for Exigo
What is Hubert Grabka's role at the current company?
Hubert Grabka's current role is Result-driven and highly skilled IT professional with 20+ years of experience..
What schools did Hubert Grabka attend?
Hubert Grabka attended Politechnika Warszawska.
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