Active Directory Experts in Berlin
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Meet FRATCH Experts in Berlin, who have recently used Active Directory
Syed Abdul
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.
Alexandro Lahmann
Last position:
Senior Project Manager - RIS & PACS Replacement
- Replacement of a RIS and PACS system in combination with three different software solutions, with a focus on redesigning and further developing existing processes.
- Ensuring the interaction of the individual solutions and their integration into one overall solution to provide optimal support for medical staff in their daily work.
- Overall project management including coordination of three service providers.
- Use of technologies and solutions such as RIS, PACS, Smart Reporting, and Artificial Intelligence.
- Leading the RIS & PACS replacement in a hospital.
- Support with the communication strategy.
- Coordination of external and internal resources.
- Stakeholder management.
- Steering of steering committees.
Can Savastürk
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.
Jan Krol
Last position:
Data Expert at Manufacturing
Nick Reichardt
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
André Beran
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
Sebastian Striebig
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 Rothen
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.
Szymon Skoblewski
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
Matthias Kozlowski
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
Seyed Farhad Miri
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 with a focus 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, SCA, and utilized ZAP for DAST in CI/CD pipelines.
- Engaged in security awareness trainings, developed CTF challenges and training materials to enhance developer security knowledge.
- Planned and executed 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 detection, reporting, and remediation of hundreds of vulnerabilities.
- Triaged HackerOne reports.
Alexander Belousov
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
Marvin Manzatto-Bakalorz
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
Pawel Nabe
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
Ebrahim Wali
Last position:
Certified Trainer for Mach Software for the State of Berlin at HKR Senfin Berlin
- Fund management
- Budget
- Mach BI
Discover over 15,000 top freelancers
Statistics of experts using Active Directory
Aggregated from the professional profiles of matched freelancers.
Experience
16 years (Germany: 19 years)
Position duration
1.5 years (Germany: 3 years)
Positions per freelancer
11 (Germany: 14)
Top business areas
Information Technology, Project Management, Operations
Top industries
Information Technology, Automotive, Banking and Finance
Certification focus areas
Information Technology, Project Management, Human Resources
Bachelor's degree or higher
92% (Germany: 69%)
Master's degree or higher
46% (Germany: 36%)
Certifications per freelancer
4
Most common languages
German, English, Polish
Speak two or more languages
94% (Germany: 97%)
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Berlin are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge 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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
What it covers
Active Directory, often called AD or Microsoft Active Directory, is the directory service behind Windows-based identity and access control. It keeps users, groups, devices, and permissions organized so teams can sign in and reach the right resources. Companies use it to manage access across offices, servers, and internal applications.
Common work
- Domain setup and structure
- Group Policy design and cleanup
- User, group, and computer administration
- Trusts, sites, and replication planning
- Access control for file shares and business apps
Ecosystem
Strong specialists work across Windows Server, DNS, DHCP, Group Policy, PowerShell, and certificate services. They also understand how AD connects to Azure AD, now Microsoft Entra ID, for hybrid identity setups. That mix matters when authentication, device management, and legacy systems must work together.
When to bring help
Companies bring in freelance expertise when a domain is unstable, access is messy, or a migration is in progress. It also helps during audits, mergers, restructures, and office moves in Berlin where local teams and remote specialists need clear handover. A good expert can trace the root cause without disturbing production.
What strong experts do
A strong Active Directory specialist keeps naming, permissions, and delegation clean. They document changes, test carefully, and avoid breaking logon or policy flow. Look for clear thinking around security, replication, backup, and recovery.
Industries and projects
Active Directory is common in enterprises, public sector environments, healthcare, education, and manufacturing. Typical projects include domain consolidation, password and policy hardening, service account cleanup, and hybrid identity planning. In Berlin, it is often part of mixed on-site and remote work, especially where English and German documentation both matter.
Frequently asked questions
Questions about Active Directory? Start with the answers below.
Active Directory manages identities, devices, and access in Windows-based environments. It is used for logon, permission control, Group Policy, and organizing users and computers into domains and organizational units. Companies rely on it to keep internal access consistent and manageable.
Active Directory is built for on-premises domain control and deep Windows integration, while Microsoft Entra ID is centered on cloud identity. Many companies use both in a hybrid setup. A freelancer should understand where one fits better than the other and how they connect through synchronization or federation.
A strong Active Directory specialist usually knows Windows Server, DNS, Group Policy, PowerShell, and certificate-related basics. Security and recovery skills matter too, especially for delegation, replication, and backup planning. If a project touches hybrid identity, Microsoft Entra ID knowledge is a plus.
Active Directory projects often need one focused specialist for design, cleanup, or troubleshooting. Larger transformations, such as mergers or multi-site redesigns, may need several experts for coordination and testing. The right setup depends on how much change is involved and how risky the environment is.
Yes, most Active Directory tasks can be handled remotely if access, change windows, and documentation are set up well. On-site support can still help for hardware issues, local network problems, or sensitive rollouts. Berlin companies often use a mix of both, depending on the internal process and language needs.
Look for clear explanations, safe change planning, and evidence that the person has handled real production Active Directory environments. Good experts document decisions, test rollback options, and communicate risks before making changes. They should also be able to explain why a design choice fits your environment.
Microsoft Active Directory projects often include domain redesign, Group Policy cleanup, identity migration, delegated administration, and trust configuration. Troubleshooting broken logins, replication issues, and permission problems is also common. Many companies also bring in help for decommissioning old domains and improving security.
Yes, often they do, because AD still supports older applications and long-standing Windows setups. The best specialists balance legacy awareness with modern security and hybrid identity practices. That combination helps when old dependencies must stay stable during change.
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, 92% hold at least a Bachelor's degree and 46% 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 1.5 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 (24%).
The most common industries among freelancers in Berlin, Germany who have used Active Directory in their recent projects are Information Technology (94%), Automotive (41%), and Banking and Finance (41%).
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 (71%), and Operations (59%).
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 Request a free demo
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FRATCH CEO
