RESUME 

Raf Jablonski

Network and Security Enthusiast

Mechanical Engineer (MSc)

Senior engineer with 20 years of design and prototyping expertise. I have spent part of my career working on defence projects where digital data transfer (Layer 1, Layer 3 and  Layer 3) are crucial for military applications. I have been prototyping, testing, installing, and troubleshooting Ethernet Sliprings, a LAN technology that sends data via rotational components. I am very interested in networking and cybersecurity solutions. Constructive, innovative thinking, as well as a strong desire to master new technologies and take on new jobs and project difficulties. Problem solver with a positive approach towards job obligations.

Practice and Skills

Routing: practice with Cisco routers, configuration, and troubleshooting (RIP, Static Routing, EIGRP, HSRP, OSPF)

Switching: L2 and multilayer switches experience LAN configuration and troubleshooting (VLAN / 802.1Q, STP, PVST, VTP Pruning, Dynamic Trunking Protocol)

LAN: 802.1Q, Trunk, Access Ports Management, aggregate links and EtherChannel Port

Routing Security: Access Control List

Server management: built knowledge and practice about Microsoft Windows 2016–2019 administration (installation, configuration, user maintenance)

Firewall: working experience with Palo Alto New Generation

SIEM: Splunk (installation and configuration on Windows and Linux, Forwarder Deployment, indexes, and data collections)

Virtualization: practice with VMware, ESXi

Network Management Tools: Wireshark

Network Simulation: network design and implementation of network solutions in GNS3 / Eve-NG

Fibre Optic and networking cable technology: built experience of cabling for bespoke network devices, single, multi-modes, fibre cables termination, cable test (insertion / return loss), coaxial cable (noise test), cabling design

Additional technical skills: Linux Ubuntu/Kali, Python scripting for network automation (Paramiko, Netmiko)

Knowledge and Competencies

Working knowledge of subnetting, IP routing 

Understanding LAN / WAN concept 

Proficient in 802.3, 802.1Q, 802.1D, 802.1x

Technical Certifications

Technical Certifications

Cisco Certificate Networking Associate (CCNA) (on-going)

Palo Alto Certified Network and Security Associate (PCSNA) (on-going)

Network and Security Projects History

(Network and Security Engineer, GetOn Solutions, Ltd, Luton, UK)

Experience in supporting Networking, Security solutions, and Server Management. 

Enthusiastic to collaborate with team members and able to liaise with major network vendors to deliver complex technical solution.

Writing technical articles, working instruction to publish on Knowledge Base, supporting working team and department. 

Keeping track on tasks with full understanding of SLA and continuously achieving targets.


Project Management and Professional Achievements

Certified Six Sigma Black Belt (2023)

Education

Postgraduate of Total Quality Management, School of Economy and Administration, Kielce, Poland

Masters of Mechanical Engineering, Manufacturing Technology, University of Technology, Czestochowa, Poland

Bachelor of Science, R&D Mechanical Engineering Technology, University of Technology, Czestochowa, Poland