Tomasz Jugo

• Provide Tier IT support to Enterprise System
• Administer Windows Server (2016, 2019, 2022), Active Directory environment including user/group
management, GPOs
• Administer Linux-based servers (Red Hat, Debian)
• Perform system patching, hardening, routine maintenance, and health monitoring across all servers
• Manage network environments including administration and network troubleshooting

• Deploying system and supporting any issues reported by the end user
• Automating system integration using CI/CD tools (Ansible, Docker)
• Scripting using bash and Python
• Managing lab infrastructure - OS (Linux, Windows) and network (Cisco switching),
• Managed support tickets in ITSM tools (e.g., Jira, Zendesk, ServiceNow), documenting symptoms, root
cause, and resolution steps to enrich the knowledge base and improve first call resolution
• Virtualization - VM Ware, V Sphere Infrastructure

• Scanning and analyzing company resources and looking for possible security risks (tenable.io)
• Forwarding any possible security weakness to system administrators and developers
• Managing Microsoft Azure Security products (Log Analytics, Security Center, Intune, Cloud App, Sentinel,
ect.)
• Working on wide range of IT and IT Security tools (Splunk, Tenable.io, CrowdStrike EDR, Eset AV, Windows
Defender ATP, Radware DDoS, Cisco and Fortinet suites and much more)
• Onboard devices and security policies using Microsoft Intune (MDM); deploy Microsoft Defender for Endpoint
• Manage M365 suite including Exchange Online, Teams, SharePoint, and licensing administration
• Automate routine IT workflows using PowerShell scripts and Microsoft Power Automate

• Provide Tier 2/3 support to Cisco clients Interactionally
• Configured and maintained security infrastructure (firewalls, VPNs, IDS/IPS, endpoint protection, web
proxies), regularly tuning policies to balance security and performance
• Performed regular vulnerability assessments and security audits, tracking remediation activities and reducing
high risk findings across networks and applications
• Monitored SIEM and security logs, triaged alerts, investigated suspicious activity, and coordinated incident
response to contain and remediate security incidents.
• Collaborated with IT and development teams to embed security into system design and SDLC, including
secure configurations, hardening baselines, and security requirements.

• Integrating CSOC system in UAE integrated with SIEM (ArcSight)
• Deploying full stack (hardware and software) to Service Provider
• Coordinating working with Service Providers and subcontractors
• Working closely with customers on system issues, follow-ups, expectations, system upgrades
• Working with Research and Development team on upgrading and testing new releases of the system
• Working on wide range of IT systems (Microsoft, Red Hat, VMware, SIEM - ArcSight, Storage - NetApp,
EMC Isilon, EMC ExtremeIO, Network - Cisco, F5, Databases - MySQL, MS SQL, Postgres, EMC GPDB)

• Provided technical support to end users remotely and on site consistently resolving hardware, software, and
network incidents within defined SLAs for EMEA Customers
• Interacting directly with the Customer on business needs, system issues, further expansions and upgrades
• Monitored system and network health, identifying recurring issues and raising problem records that led to
long term improvements in stability and performance.
• Escalated complex incidents to Level 3 or vendor support, coordinating closely with infrastructure and
development teams to achieve timely, permanent fixes.
• Working on wide range of IT systems:
◦ Microsoft - Windows Server 2003, Windows Server 2008, Windows 7
◦ Linux - Redhat 5/6, CentOS, Ubuntu
◦ Virtualization - VMware ESXi 4, 5, Hyper-V
◦ Servers - HP, DELL, Cisco UCS

• Provide Tier 1/2/3 IT support to 300+ clinical and administrative users, maintaining SLA
• Integration of IT helpdesk system (GLPI) according to ITIL best practices and IT Inventory system (OCS)
• Administer Windows Server (2003, 2008, 2008 R2), Active Directory environment including user/group
management, GPOs
• Manage Windows Server infrastructure (file servers, print services, DNS, DHCP)
• Maintain Linux-based servers (Red Hat, Debian, CentOS)
• Perform system patching, hardening, routine maintenance, and health monitoring across all servers
• Administration of telephone exchange (Alcatel-Lucent, Asterisk)
• Document all technical changes, SOPs, and operational records in the ITSM knowledge base Administer small date center - hardware (servers, storage, IPTV), network (routing, switching, WiFi, IPTV)
• Administer Proxmox virtualization platform; manage VM lifecycle, snapshots, and cluster operations
• Execute daily backup checks, restore tests
• Maintain website hosting (Apache, Nginx), SSL certificates, DNS records,
• Administer Windows and Unix servers (CentOS, Debian, Ubuntu, FreeBSD)
• Managing XDR (Wazuh) and vulnerability scanning tools (Greenbone/OpenVAS, Nessus, Burp Suite)
• Administer NVR System (Blue Iris, Netatmo, Dahua)