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Alex W.AW

Alex W.

IT/OT/Network Security Specialist

€850/day
Nürnberg, DE
8-15 years
IT&OT Security
Network & Firewall Administration
Compliance & Security Auditing
Infrastructure as code
Incident Response & Threat Hunting

Average response time: 1 hour

Freelancer profile translated to English.
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About Alex

IT Architect & Security Specialist with over 10 years of experience in critical infrastructures.
Focus: OT/IT Security, Compliance (ISO 27001, NIS-2), Network Architecture, Active Directory, Citrix, Automation (PowerShell, Pasbat).
I quickly recognize core problems in complex systems and deliver clear, actionable solutions. Also under high responsibility (e.g. Daimler, Stock Exchange, Broadcasting, KRITIS).

Security Architect & Infra-Expert (Citrix, AD, VMware, ISO 27001, OT) with 10+ years enterprise experience (finance, automotive, broadcasting).
Known for pragmatic architecture, automation, and compliance reporting (Pasbat PaaS).
I design secure systems that scale and solve real problems, not symptoms.

Banking and Financial Services
Automotive OEM
Automotive supplier
Digital Business Models
IoT (Internet of Things)

  • German

    Native or bilingual

  • English

    Fluent

  • Russian

    Basic

Can work on-site
Nürnberg (up to 50km)

Experience

  • BLG Logistics Group AG & Co. KG
    OT - Security & Operations Manager
    March 2024 - August 2025 (1 year and 5 months)
    Bremen, Germany
    - Network security, CIS Controls, Zscaler (ZIA Policy), Implementation
    Change Management, Nis-2/KRITIS requirements, 27001 (ISMS), Development
    of own customized network analysis software (pasbat.de), IDP/IDS (Secunet/Suricata),
    technical preparation/implementation/evaluation password campaign (Power
    shell), Vulnerability management (Cyberscan.io), Incident Response (SOC Tickets),
    Consulting for all IT Security topics (databases, network, active directory etc.)
    Change Management IT-Security OT Security SIEM Zero Trust
  • Cordes & Gräfe KG
    INFORMATION SECURITY ANALYST
    August 2023 - March 2024 (7 months)
    Stuhr, Germany
    Planning and establishing a RedTeam. Ethical hacking, Offensive Cybersecurity.
    Rangeforce, Metasploit, MITRE, Cyberkillchain, etc.
  • Bremedia Produktion GmbH
    IT System Administrator Focus Firewall
    July 2019 - April 2020 (9 months)
    Bremen, Germany
    full support/administration:
    Citrix, IT Security (Firewall Palo Alto, Antivirus Cortex XDR), Telephone
    system/VoIP (Cisco CallManager), Airwatch Mobile Device Management, Active Di
    rectory, Software distribution Baramundi (Windows) Munki (Apple).
    Consultant for executives on new topics/projects.
Check out Alex's experience

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Education

  • Informatiker Systemintegra tion
    Oraise GmbH / Eu ropaschule Schulzentrum SII
    2018
    matiker Systemintegra tion

Skill set

IT Architecture
IT Project Management
IT Service Management
IT Strategy
System Integration
CI/CD Management
Containerization and Virtualization
Infra as Code
Scripting Automation
Microservices Architecture
Cybersecurity Incident Management
Least Privilege Principles
Risk and Vulnerability Assessment
Security Awareness Training
Threat Intelligence
Batch Processing
Cloud Platforms and Infrastructure
Database Management (e.g., SQL, NoSQL)
Data Migration and Backup
Change Management
IT-Security
OT Security
SIEM
Zero Trust

Categories