Active Directory Experts in Berlin
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Meet FRATCH Experts in Berlin, who have recently used Active Directory
Syed A.
Last position:
Senior Software Engineer at Giant Eagle
- Designed and developed AI-powered document processing solutions using Python, OCR, NLP, and Large Language Models (LLMs) to automate extraction, validation, and classification of financial documents, reducing processing time by 75%.
- Built intelligent multi-stage workflow automation pipelines integrating AI services, machine learning models, and enterprise systems to streamline financial operations and improve data quality.
- Developed reusable AI-driven transformation frameworks capable of processing structured and unstructured document formats (XML, CSV, JSON, TXT, DAT) and normalizing them into unified business schemas.
- Designed and developed Python-based REST APIs and backend services supporting enterprise finance applications and high-volume data processing workloads.
- Built scalable data synchronization pipelines between Oracle CFIN and SQL databases, incorporating machine learning models for cash-flow forecasting and AP/AR anomaly detection.
- Architected and deployed Apache Airflow workflows to orchestrate AI-powered data pipelines, automating end-to-end processing from document ingestion through financial system integration.
- Led the migration of critical enterprise integrations from MuleSoft to Python-based services, improving maintainability, performance, and operational flexibility while preserving complete data integrity.
- Managed the full API lifecycle including solution design, implementation, documentation, deployment, monitoring, and production support for mission-critical financial systems.
- Collaborated directly with finance stakeholders to identify business challenges, define solution requirements, and deliver measurable operational improvements through automation and AI-driven workflows.
- Worked closely with cross-functional engineering and business teams to rapidly iterate on features, improve processes, and drive successful adoption of AI-enabled solutions.
- Provided technical leadership through architecture reviews, technology decisions, code reviews, and engineering best practices across integration and automation initiatives.
- Mentored developers, established coding standards, and contributed to improving software quality, maintainability, and delivery effectiveness across projects.
- Provided production support during critical month-end and quarter-close financial processes, performing root-cause analysis and implementing rapid fixes to ensure system reliability and data accuracy.
Jan K.
Last position:
Data Expert at Manufacturing
Alexandro L.
Last position:
Senior Project Manager - RIS & PACS Replacement
- Replacing an RIS and PACS system in combination with three different software solutions, with a focus on redesigning and further developing existing processes.
- Ensuring that the individual solutions work together and are integrated into an overall solution to optimally support medical professionals in their daily work.
- Overall project management, including managing three service providers.
- Use of technologies and solutions such as RIS, PACS, Smart Reporting and artificial intelligence.
- Leading the RIS & PACS replacement at a hospital.
- Supporting the communications strategy.
- Coordinating external and internal resources.
- Stakeholder management.
- Managing steering committees.
Seyed Farhad M.
Last position:
Senior Product Security Engineer at Delivery Hero
- Developed a custom tool using the Mistral 7B LLM to scan, validate, and report security vulnerabilities.
- Security tested AI agents, bots, and other LLMs, focusing on prompt injection, model inversion, data poisoning, EDR/AV bypass and evasion techniques, membership inference, model evasion, overfitting to malicious inputs, and contextual manipulation.
- Onboarded repositories to SAST solutions for security scanning, implemented secrets scanning, DAST, and SCA, and used ZAP for DAST in CI/CD pipelines.
- Delivered security awareness training and developed CTF challenges and training materials to improve developers' security knowledge.
- Planned and carried out bi-annual red teaming operations based on the MITRE ATT&CK framework and led internal and external pentests based on the OWASP Top 10 framework for 70+ applications worldwide, resulting in the detection, reporting, and remediation of hundreds of vulnerabilities.
- Triaged HackerOne reports.
André B.
Last position:
External Attack Surface Assessment & Cybersecurity Readiness Checks at Graydaxe Cybersecurity GmbH
- Conducting cybersecurity readiness checks based on an in-house assessment methodology
- Analyzing the external attack surface using the Graydaxe EASM platform
- Assessing maturity levels and deriving prioritized recommendations for action
Jonás C.
Last position:
Security Responder (SOC) at gematik GmbH
At gematik's Cyber Defense Center (CDC/CERT) (critical infrastructure): Security Monitoring, Incident Response, and Service Monitoring for the telematics infrastructure (TI)
- Vulnerability management with Nexpose for gematik and the telematics infrastructure
- Vulnerability Assessment: Assessing and tracking vulnerabilities through Jira
- Security Monitoring and triage of security events with Splunk
- First Responder and Incident Handling: Initial assessment, triage, and escalation
- Service Monitoring: Monitoring critical TI services
- Documenting runbooks, playbooks, and knowledge base articles in Confluence
Sebastian S.
Last position:
Group Product Manager – Digital Platform Discovery at SPREAD.AI
- Developed and implemented organization-wide discovery framework based on Ulwick’s Outcome-Driven Innovation; enabled 7 Product Owners to systematically identify and quantify unrealized value through shared outcome language and opportunity scoring methodology
- Transformed Product Owner role from backlog clerks to strategic experimenters; established dedicated time budget for autonomous hypothesis testing and discovery activities
- Rebuilt customer journey maps to start at actual user need (tool selection phase) instead of platform entry point; eliminated manual data aggregation work previously done by project teams
- Implemented OKR framework across 4 product teams; defined quarterly objectives with measurable key results (e.g., 40% reduction in manual integration effort, self-service adoption increase)
- Unified 3 separate platform roadmaps through cross-team dependency mapping and shared service agreements
- Supported enterprise sales cycle with ROI modeling and technical due diligence for automotive and defense customers
Bertrand R.
Last position:
Interim IAM Product Owner (Identity Management) at REWE digital GmbH
- Establishing Identity & Directory Management as a new (split-off) team & product within the IAM cluster.
- Leading the “Identity & Directory Management” product (8 people) as Product Owner.
- Concept for ‘Digital Identities’, i.e. IDs with n users/accounts and strategy for a modernized product offering.
- Upgrading APIs, migrating to a containerized infrastructure, rolling out international markets & standardized solutions across the REWE enterprise group.
- Tech: OpenText™ (NetIQ) eDirectory & Identity Manager, LDAP, SAP HR/HCM, Docker/Kubernetes/Podman, REST APIs, Microsoft Active Directory & Entra ID, postgresDB, Keycloak, Ansible, Cyberark (PAM), Apache Kafka, Jira, Confluence, Miro.
Matthias K.
Last position:
Requirements Manager (freelance) at Bundesdruckerei GmbH
- Maintenance of the product backlog in collaboration with the PO
- Analysis and alignment of requirements
- Creation of process documentation and status reports
- Definition of workflows
- Preparation and moderation of agile meetings
Szymon S.
Last position:
IT Systems Specialist at BOSCH
- Preparation, configuration, and deployment of client systems
- Planning and implementation of network infrastructures
- First-level and second-level support during the transition
Can S.
Last position:
Platform Engineer at ClimateChoice
In a lean, execution-focused environment, I took ownership beyond a narrow engineering lane, shaping and implementing systems across backend, data, and infrastructure. Partnered directly with the three founders in a fast-moving, high-stakes environment, turning strategic priorities into concrete technical decisions and production outcomes.
- Owned core platform development across backend (Django/Rest Framework/Postgres), ETL (Python/Dagster), infrastructure (Terraform/Kubernetes/AWS), and frontend (typescript/react) for a climate-tech SaaS product, driving continuous cross-stack development across five repositories from October 2021 to this day.
- Architected and owned a standalone internal Python scoring framework for CRC assessments, using YAML-driven rules and metaprogramming to enable non-technical users to define complex evaluation logic without hardcoded implementations.
- Built and stabilized ETL and scraping pipelines using Dagster and Scrapfly, improving document ingestion, tagging, retry behavior, deployment flow, and operational resilience.
- Contributed to platform modernization and reliability through Django/Python upgrades, Postgres/RDS and EKS changes, CDN/TLS updates, test and performance improvements, and observability hardening.
- Drove backend engineering for product features, translating requirements into technical specifications, API contracts, data structures, and scalable implementation plans.
Marvin M.
Last position:
Field Service Coordinator (Freelance) at Elis Group
- Supported national site migration & the software team
- Installed printers, scanners, network cabinets, antennas, etc.
- Prepared and assigned hardware
- End-user support, administrative & production migrations, stakeholder management
- Ensured workstations were operational
- Configured printers and phased out outdated devices
Alexander B.
Last position:
Consultant at Bundesdruckerei
- Windows 10, Windows 11, Windows Server 2019/2022, Active Directory, Entra ID Group Policy, Orca, PowerShell, PSAppDeployToolKit, Intune, Office 365, Azure, Winget, SandBox
- Onsite/offsite packaging and repackaging in Intune
- Silent install / uninstall
- Use of scripting (PSADT, PowerShell)
- Distribution, planning, and monitoring of packages using Intune Admin Center
- Troubleshooting
- System monitoring
- 2nd and 3rd Level Support
- Packaging process (creation and review of installation and configuration guides, test plans, User Acceptance Testing)
- Automatic client provisioning
- Quality assurance, testing of software packages
- Workplace Engineering
- Windows Client Engineering
- Management of profiles and group policies
- Working with agile methods (Scrum)
- Use of ITSM, including as a ticket system
- Sprint planning
Nick R.
Last position:
IT Onside Support at Public Administration
- Mobile Device Management (MDM) for iOS devices (iPads, iPhones)
- Management, configuration and rollout of policies, apps and security measures
- eSIM setup & management as well as management of mobile plans and contracts
- User management (create, block, delete) in the SecurePIM security solution
- Device registration, preparation and setup of devices with Windows 10/11 and peripherals
- 1st & 2nd level support and handling of IT requests via the ticket system
- Troubleshooting, fault isolation and repair of devices
- Creating and maintaining guides, training new users and handling user questions
Pawel N.
Last position:
Subject Mater Expert Linux at TCS Alliance Healthcare
- Updating/upgrading Linux servers to new versions
- Installing Trend Micro on Linux servers
- Creating, presenting and maintaining technical documents
- Refactoring tools
- Platforms: SUSE Linux Enterprise Server (SLES) 10, 11, CentOS, RedHat, Windows 10, PowerShell, Bash, Perl, Trend Micro AV, PuTTY, SSH, VMware
- Project language: English
Discover over 15,000 top freelancers
Statistics of experts using Active Directory
Aggregated from the professional profiles of matched freelancers.
Experience
16 years (Germany: 20 years)
Position duration
1.6 years (Germany: 2.9 years)
Positions per freelancer
11 (Germany: 14)
Top business areas
Information Technology, Project Management, Operations
Top industries
Information Technology, Professional Services, Automotive
Certification focus areas
Information Technology, Project Management, Human Resources
Bachelor's degree or higher
93% (Germany: 70%)
Master's degree or higher
50% (Germany: 41%)
Certifications per freelancer
4
Most common languages
German, English, Polish
Speak two or more languages
94% (Germany: 98%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Berlin are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Berlin using Active Directory
Rates are based on recent contracts and do not include FRATCH margin.
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Active Directory experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (94%)
- Professional Services (44%)
- Automotive (39%)
- Banking and Finance (39%)
- Manufacturing (39%)
- Government and Administration (39%)
- Energy (33%)
- Telecommunication (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Centralized Identity and Access Across the Enterprise
Microsoft Active Directory Domain Services provides the core authentication and authorization layer for corporate networks. It manages domain controllers, DNS resolution, and global catalogs across complex forest architectures. Enterprise environments rely on it to govern Kerberos tickets, NTLM fallbacks, and LDAP queries across all joined endpoints.
Hybrid Identity and Cloud Federation Architectures
Modern infrastructure connects on-premises directories directly to Microsoft Entra ID using synchronization tooling. Organizations implement robust federation and single sign-on flows across on-premises and SaaS environments.
- Configure Azure AD Connect and cloud sync agents
- Manage Active Directory Federation Services and modern claims-based auth
- Synchronize hybrid object attributes and password hash transfers
- Deploy conditional access policies integrated with legacy applications
Governance with Group Policy Objects and PowerShell
System administrators leverage Group Policy Objects to enforce consistent configuration, user rights, and baseline security across fleet workstations and servers. Automation runs primarily through the Active Directory PowerShell module. Advanced specialists build reliable scripts to handle bulk account provisioning, stale account lifecycle cleanups, and schema extensions.
Directory Hardening, Tiering, and Security Operations
Securing Active Directory requires defensive architectural patterns to stop lateral movement and credential theft. Specialists deploy strict administrative tiering models, dedicated Privileged Access Workstations, and Active Directory Certificate Services. They proactively eliminate unconstrained Kerberos delegation, audit bloodhound access paths, and maintain strict service account permissions with managed service accounts.
Freelance Identity Projects Across Berlin Organizations
Berlin hosts established corporate headquarters, public sector institutions, and scaling tech companies that operate mixed Windows and Linux footprints. Freelance specialists resolve domain consolidations after mergers and carve-outs, audit compliance postures, and prepare legacy directories for cloud adoption. These assignments often require bilingual coordination in German and English, with flexible on-site availability for critical data center work.
Hallmarks of Seasoned Directory Specialists
Top specialists combine deep understanding of distributed directory protocols with practical disaster recovery experience. They know how to restore non-authoritative domain controllers and rebuild entire forests following system outages. Their work emphasizes least-privilege delegation, clean organizational unit structures, and thorough documentation for internal IT operations.
Frequently asked questions
Questions about Active Directory? Start with the answers below.
Senior Active Directory specialists understand low-level replication mechanisms, trust relationships, and Kerberos protocol flows. They implement administrative tiering models and configure enterprise public key infrastructure with Active Directory Certificate Services. Exceptional specialists also demonstrate advanced scripting skills using PowerShell to automate complex directory tasks.
Traditional Active Directory operates inside corporate perimeters, relying on protocol standards like LDAP, Kerberos, and DNS. Cloud services such as Microsoft Entra ID use modern web identity protocols like OAuth 2.0, OpenID Connect, and SAML. Most established enterprises deploy a hybrid identity model that connects both worlds through directory synchronization.
Projects involving Active Directory Domain Services frequently require experience with Windows Server, enterprise DNS, and Group Policy Management. Specialists also work extensively with Azure AD Connect, Active Directory Federation Services, and Public Key Infrastructure. Familiarity with Linux integration via SSSD or realmd is also common in heterogeneous environments.
Companies engage freelance AD specialists during domain consolidations, corporate acquisitions, divestitures, or security audits. Freelancers also provide crucial support when upgrading domain functional levels or planning cloud migrations. Their focused experience ensures complex directory modifications proceed without causing enterprise-wide authentication outages.
Most Active Directory administration, troubleshooting, and architecture planning can be executed remotely over secure management networks. However, organizations in Berlin occasionally require on-site participation during domain controller hardware cutovers or disaster recovery exercises. Local specialists adapt easily to hybrid delivery models while aligning with central European business hours.
Technical tasks in Microsoft Active Directory use standard English naming conventions and tooling syntax. In Berlin, larger enterprises and public sector projects often conduct stakeholder briefings in German, while international scale-ups operate entirely in English. Having a bilingual specialist ensures smooth communication across systems teams and executive leadership.
Specialists secure Active Directory by enforcing administrative tier models and eliminating legacy protocols like NTLMv1. They audit access control lists to prevent privilege escalation paths and convert standard service accounts to group Managed Service Accounts. Regular health assessments focus on Kerberos delegation risks and unquoted service paths.
Evaluate candidates by presenting scenarios involving cross-forest trusts, replication metadata cleanups, and forest recovery procedures. A qualified Active Directory professional should explain how they handle schema updates safely and diagnose replication lag across sites. Look for structured problem solving in hybrid sync conflicts and permission governance.
The average hourly rate of freelancers in Berlin, Germany who have used Active Directory in their recent projects is 102 €, which corresponds to a daily rate of about 816 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used Active Directory in their recent projects, 93% hold at least a Bachelor's degree and 50% hold at least a Master's degree.
On average, freelancers in Berlin, Germany who have used Active Directory in their recent projects have 16 years of professional experience, with a single engagement typically lasting around 1.6 years.
The most common languages among freelancers in Berlin, Germany who have used Active Directory in their recent projects are German (100%), English (94%), and Polish (22%).
The most common industries among freelancers in Berlin, Germany who have used Active Directory in their recent projects are Information Technology (94%), Professional Services (44%), and Automotive (39%).
The most common business areas among freelancers in Berlin, Germany who have used Active Directory in their recent projects are Information Technology (100%), Project Management (72%), and Operations (56%).
Main locations of FRATCH Experts, who have recently used Active Directory
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Hamburg 
Munich 
Cologne 
Frankfurt 
Dusseldorf 
Essen 
Nuremberg Countries:
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