Profileimage by Nikolay Hristov Software Technical Consultant,  Security Specialist. from Sofia

Nikolay Hristov

available

Last update: 08.06.2023

Software Technical Consultant, Security Specialist.

Graduation: not provided
Hourly-/Daily rates: show
Languages: Bulgarian (Native or Bilingual) | English (Full Professional)

Keywords

JavaScript (Programming Language) Address Resolution Protocols Application Programming Interfaces (APIs) Data Analysis VoIP C Sharp (Programming Language) Cloud Computing Codecs Computer Security Linux + 29 more keywords

Attachments

resume-nikolay-hristov-junior-cyber-sec.pdf

Skills

ARP, Ansible, API, C#, Cisco, WebEx, Citrix, XenApp, Cloud, codec, Cyber Security, Analytics, Fiddler, Firepower, Fitbit, H.323, IPv4, ICMP, JavaScript, Linux, Linux Administration, live meeting, NetScaler, Network Specialist, Network Security, Object oriented, PSTN, Python, Rest API, Ruby, SalesForce, SIEM, SIP, TCP, User Management, Virtualization, VoIP, Wireshark, XenServer

Project history

07/2022 - 09/2022
Digital Forensics and Incident Response
DXC (Internet and Information Technology, 5000-10.000 employees)

Review forensics software and hardware material. 
Analyze Logs
Gather Artifacts
Summarize Reports

04/2020 - 07/2022
Cisco TAC Network Engineer & Security
IBM (Internet and Information Technology, 1000-5000 employees)

IBM
Full-time · 2 yrs 4 mosFull-time · 2 yrs 4 mosSofia City, BulgariaSofia City, Bulgaria
  • Skill Based Routing
    Jan 2022 - Jul 2022 · 7 mosJan 2022 - Jul 2022 · 7 mos
      • Focused around Audio problems of the product.
        Main Categories of incidents - Audio transmit & receive, Audio Quality, PSTN, VoIP, SIP, Encryption & Packet tracing.Focused around Audio problems of the product. Main Categories of incidents - Audio transmit & receive, Audio Quality, PSTN, VoIP, SIP, Encryption & Packet tracing.
         
  • Cisco TAC - Network Security Engineer - ASA, Firepower
    Sep 2021 - Jan 2022 · 5 mosSep 2021 - Jan 2022 · 5 mos
      • Overseeing ASA & ASA-x modules of Firewall & Firepower products with CIsco devices.
        Remote Configuration on customer's modules.

        Working with Layer 1 to 4 devices, including NGFW up to Layer 7.
        Packet Inspection, Filtering, Flow & Network configurations.Overseeing ASA & ASA-x modules of Firewall & Firepower products with CIsco devices. Remote Configuration on customer's modules. Working with Layer 1 to 4 devices, including NGFW up to Layer 7. Packet Inspection, Filtering, Flow & Network configurations.
         
    • Network Specialist
      • Overseeing first line incidents for the WebEx product of Cisco.
        • Working with Wireshark, Tracer, Fiddler.
          Video & Audio degradation,
          Protocols: 443 TLS, 444 TLS, 123 UDP, 53 UDP/TCP, 5004 & 9000 SRTP over UDP.
          Troubleshooting front & back end processes for the customers on each organization and assisting with configuration on User, Site & Back end levels.Overseeing first line incidents for the WebEx product of Cisco. Working with Wireshark, Tracer, Fiddler. Video & Audio degradation, Protocols: 443 TLS, 444 TLS, 123 UDP, 53 UDP/TCP, 5004 & 9000 SRTP over UDP. Troubleshooting front & back end processes for the customers on each organization and assisting with configuration on User, Site & Back end levels.
           

10/2019 - 04/2020
Citrix Engineer
DXC (Internet and Information Technology, 250-500 employees)

Introduced to the Citrix Technology - XenApp, XenDesktop, XenServer & Netscaler.
VDI product which supports on cloud and premises infrastructure & modules.

Web SaaS, DaaS, Linux, Windows configuration and infrastructure for the VDI configuration of the customer.

08/2018 - 11/2019
Software Technical Support
Tek Experts

Troubleshooting and configuring HPSM for HP, bug inspection, log inspection
and code audit (On custom script).
Managing built-in queries for HPSM

11/2017 - 01/2018
Fitbit Product Specialist
TELUS International Europe

TELUS International Europe, Sofia
RMA, Technical Troubleshooting Fitbit Products such as the Iconic Ionic,

Certifications

CCNA
2021

Local Availability

Only available for remote work

Other

I am open to commit long-term to your project and am willing to learn new technologies and products.
Profileimage by Nikolay Hristov Software Technical Consultant,  Security Specialist. from Sofia Software Technical Consultant, Security Specialist.
Register