Recommended expert

Sirak (Alem) Debrezion

Cyber Security Support Engineer

Sirak Debrezion
Cologne, Germany

Experience

Feb 2024 - Present
2 years

Cyber Security Support Engineer

Log(N) Pacific

  • Implementing secure cloud configurations with Azure Private Link, Network Security Groups, Microsoft Defender for Cloud, and Azure Regulatory Compliance for NIST 800-53, PCI DSS, and HIPAA/HITRUST, resulting in an 88% reduction in security incidents over the same period.
  • Troubleshooting and supporting Microsoft Azure services, including Microsoft Sentinel (SIEM), Virtual Machines, Azure Monitor, and Azure Active Directory.
  • Developing KQL queries to support the Log Analytics workspace and Microsoft Sentinel, resulting in 1 new SIEM dashboard and 4 workbooks.
Aug 2023 - Jan 2024
6 months

System Administrator

NextKraftwerke

  • Windows Server 2016 support: Installing, configuring, and maintaining Windows Server 2016, including performing updates and security checks.
  • Installation, configuration, and maintenance of operating systems and software.
  • Managing user accounts and permissions in Azure Active Directory and Active Directory, including user rights and group memberships.
  • Handling support tickets and creating and maintaining detailed documentation of support processes and solutions.
  • Planning and carrying out rollouts of new software or hardware, including coordinating internal rollout processes.
  • Providing remote and on-site support, including troubleshooting hardware and software issues.
  • Using Lansweeper to manage and inventory hardware resources and monitor hardware status.
  • Setting up and maintaining printers and managing print servers.
Jan 2023 - Jul 2023
7 months

Helpdesk

Nexi Group

  • Developing and implementing automation scripts to optimize workflows.
  • Active Directory permission management.
  • Planning and executing internal rollouts.
  • Providing support for hardware and software issues.
  • Ticket management and documentation.
  • Patching network jacks.

Skills

  • Microsoft Office Suite
  • Help Desk
  • Ticketing System
  • Azure
  • Network Security Groups
  • Firewalls
  • Acls (Access Control Lists)
  • Virtual Machines
  • Virtual Networks
  • Cloud Computing
  • Active Directory
  • File Permissions
  • Windows 10
  • Siem
  • Sentinel
  • Kql
  • System Administration
  • Python Scripting
  • Nist 800-61
  • Nist 800-53

Languages

German
Native
English
Advanced

Certifications & licenses

Cybersecurity Analyst

LeveldCareers

Google Cybersecurity Professional

Google

Google IT-Support Professional

Google

Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Similar Freelancers

Discover other experts with similar qualifications and experience

Pierre Gronau
Pierre Gronau

Ansible Automation, Windows Third Level Support

View Profile
Markus Ickenroth
Markus Ickenroth

Senior System Engineer Microsoft

View Profile
Tom Faulhaber
Tom Faulhaber

Project Manager SOC Service Transition and Implementation of Microsoft Cloud Security Solutions

View Profile
Mike Barthel
Mike Barthel

System and Endpoint Hardening

View Profile
Frank Joraschkewitz
Frank Joraschkewitz

Lead Project Manager

View Profile
David Bleyer
David Bleyer

Acting Partner

View Profile
Christoph Holzer
Christoph Holzer

Managing Director; Senior IT Infrastructure & Cybersecurity Consultant

View Profile
Nikolaus Betzler
Nikolaus Betzler

ICT Risk Management and Information Security

View Profile
Kristof Blümel
Kristof Blümel

Strategic Consulting

View Profile
Oliver Frömel
Oliver Frömel

Senior IT Enterprise Security Architect | Project Bank Migration

View Profile
Jin-ho Yun
Jin-ho Yun

Server Migration Consultant

View Profile
Dirk Behringer
Dirk Behringer

Senior Consultant Database Administration and SQL

View Profile
Daniel Jüntgen
Daniel Jüntgen

Information Security Consultant

View Profile
Thomas Richter
Thomas Richter

Tender for Workplace Services and M365

View Profile
Minh duc Freelancer
Minh duc Freelancer

Senior System Engineer Network & Security

View Profile
Samir Soliman
Samir Soliman

Project Manager in the Cybersecurity Department

View Profile
Hans Kula
Hans Kula

Senior IT-Operations Specialist

View Profile
Daniel Knirsch
Daniel Knirsch

Project planning and implementation of a 95 kWp PV system

View Profile
Vincenzo Kenk
Vincenzo Kenk

Interim IT Department Head IS NSS

View Profile
Christian Fritsch
Christian Fritsch

Architecture management

View Profile
Peter Fleischer
Peter Fleischer

Subproject Manager and Solution Architect - Microsoft 365 Transformation

View Profile
Patrick Eichler
Patrick Eichler

Kubernetes Expert | Google Cloud Platform Engineer

View Profile
Yasin Yildiz
Yasin Yildiz

DevOps Architect & Backend Developer

View Profile
Huy Nguyen
Huy Nguyen

Modern Workplace & Dynamics 365 Consultant

View Profile
Gilbert Lintner
Gilbert Lintner

Cyber Security Expert

View Profile
Alagi Mansaray
Alagi Mansaray

Senior Project Manager S4HANA in the Energy Sector

View Profile
Andreas Fischer
Andreas Fischer

Project Manager & Portfolio Owner for Infrastructure (Automotive)

View Profile
Kai Held
Kai Held

Backend Python Engineer

View Profile
Thomas Ullrich
Thomas Ullrich

Senior Consultant / PM Infrastructure Services & Workplace Migration

View Profile
Tan Pham
Tan Pham

DevOps Engineer in the DevOps Team

View Profile