Denis Fischer-IT Security Consultant
Check rate
Experience
IT Security Consultant
Logistikdienstleister
- Setting up a centralized security monitoring system (SIEM)
- Integrating and onboarding log sources (Windows, network, applications)
- Developing dashboards and alert structures
- Structuring data models for efficient analysis
IT Security Consultant
Dienstleistungsbranche
- Setting up security monitoring in Azure
- Analyzing user and access events
- Using Azure Defender and Log Analytics
- Defining and implementing alerting rules
IT Security Consultant
Finanzdienstleister
- Developing and optimizing analytic rules and detection use cases
- Adjusting KQL queries to reduce false positives
- Creating and enhancing workbooks to visualize security events
- Structuring and analyzing security incidents
- Contributing to the continuous improvement of detection strategies
IT Security Consultant
Pharmaindustrie
- Implementing a company-wide log management concept
- Defining relevant security log types
- Preparing audit reports
- Ensuring compliance requirements are met
IT Security Consultant
Mittelstandsunternehmen
- Assisting in analyzing security-related incidents
- Supporting the definition of incident-handling processes
- Creating simple process descriptions and checklists
- Participating in lessons-learned workshops
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Transportation, Professional Services, Pharmaceutical, and Banking and Finance.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology and Audit.
Summary
IT security since 2020: IT Security Consultant with a focus on SIEM, detection engineering, and security monitoring in cloud and hybrid IT environments. Experience in developing, implementing, and optimizing detection use cases, analytic rules, and alerting strategies in Microsoft Sentinel and Splunk. Specialized in log management, data integration, and analysis of security-relevant events to improve incident detection and reduce false positives. First hands-on experience in threat hunting through proactive analysis of log data and developing new detection approaches.
Skills
Antivirus (Microsoft Defender), Microsoft Windows Defender, Azure Advanced, Treat Protection (Atp), Splunk (Cloud)
Owasp
Aws Security
Dns (Windows), Dhcp (Windows), Monitoring
Windows, Debian/Ubuntu, Active Directory, Azure Active Directory
Siem: Microsoft Sentinel, Splunk
Query Languages: Kql, Spl
Cloud: Azure, Aws
Security Tools: Defender, Atp
Systems: Windows, Active Directory
Scripting: Powershell (Basics)
Microsoft Office 365, Azure Active Directory, Azure Sentinel, Azure Eventhub, Microsoft Defender For Cloud, Azure Policies, Azure Diagnostic Settings & Log Analytics Workspace, Kql
Vpc, Ec2, Shield, S3, Cloudtrail, Cloudwatch, Lambda, Iam, Sns/Sqs
Critical Infrastructure
Iso 27001
Bsi It Baseline Protection
Ethical Hacking – Hack The Box, Juice Shop, Portswigger
Bug Bounty Hunting – Hacker One
Languages
Education
Fa. Läpple
Industrial Mechanic · Germany
Statistics
Experience
Expertise
Profile
Frequently asked questions
Have questions? Find more information here.
Denis is based in Heilbronn, Germany and can operate in on-site, hybrid, and remote work models.
Denis speaks the following languages: German (Native), English (Advanced), Russian (Advanced).
Denis has at least 6 years of experience. During this time, Denis has worked in at least 1 role and for 5 different companies. The average length of individual experience is 1 year and 1 month. Note that Denis may not have shared all experience and actually has more experience.
Based on recent experience, Denis would be well-suited for roles such as: IT Security Consultant.
Denis's most recent position is IT Security Consultant at Logistikdienstleister.
In recent years, Denis has worked for Logistikdienstleister, Dienstleistungsbranche, Finanzdienstleister, Pharmaindustrie, and Mittelstandsunternehmen.
Denis is most experienced in industries like Information Technology, Transportation, and Professional Services. Denis also has some experience in Pharmaceutical and Banking and Finance.
Denis is most experienced in business areas like Information Technology and Audit.
Denis has recently worked in industries like Information Technology, Transportation, and Professional Services.
Denis has recently worked in business areas like Information Technology and Audit.
Denis attended Fa. Läpple for Industrial Mechanic.
The availability of Denis needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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