PowerShell Experts in Frankfurt

Peter V.

IT Consultant

Weiterstadt

Last position:

IT Administrator at SEAT Deutschland

Creating concepts and architecture for domain integration (SEAT into the VW structure)
Domain trusts and administration
Operation and administration of Windows 2022/ 2025 servers and domains
Domain restructuring
GPO and SG editing and migration
DNS restructuring and migration

Technologies: Windows 2022, Active Directory, ADFS, AD Azure Connect, DHCP, DNS, GPO, VMWare vSphere, Hyper-V, Powershell, Jira, MS Office 365,), SCCM, VSAN Fileservices, Approximately 800 servers, 400 users

Ornel Franck W.

Purchasing Manager, Logistics, IT Manager & Software Architect

Last position:

Sales Partner at ERGO PRO

Industry: Insurance, Trade, IT
Customers & Projects: Consulting and selling insurance and similar services
Main tasks: Insurance consulting (health insurance, retirement planning, wealth building); commercial services, inside and field sales; sales data analysis and forecasting; customer consulting and support; opening a new sales headquarters for private and business customers; business development & innovation management; business use case development; process optimization; stakeholder management; team leadership and training; preparation and delivery of trainings;
Technologies used: Microsoft Office 365, Microsoft Teams, Jira, Draw.IO, Camunda 8, Java (8, 17,21,25), Git, Spring Boot, Spring Batch, Spring Data REST, Spring Web, Spring Security, J-Unit, Playwright, Lombock, Vaadin, H2, PostgreSQL (16, 17 18), pgAdmin, Docker, LLMs, JasperSoft Studio, JasperReports

Reinhard G.

IT Infrastructure / User Management

Raunheim

Last position:

IT Infrastructure / User Management at UMF – Universitäts Medizin Frankfurt

User account management and creation in Active Directory
Group management and updates in Active Directory
Permissions management on file servers
Exchange/Outlook support
VPN setup
System and product support: Windows 10, Windows 11, Office 2019, Office 365, Active Directory, TeamViewer, RSA VPN, Microsoft Teams, RSA Security Console, Deep Discovery Mail Inspector, ServiceNow, Macmon

Minh D.

Project Manager / Business Analyst / Application Manager

Bad Vilbel

Last position:

Project Manager / Business Analyst / Application Manager at Finance and Insurance

Introduction of 5 different process applications for different teams
Release planning: scope and time management
Resource/capacity planning
Conducting Sprint Planning / retrospectives
Increment planning (several sprints)
Preparation of Steering Committee meetings / reporting to the Board
Coordination / alignment with external suppliers / deliveries
Resource planning for multiple projects
Coordination with business department and development team
Identification of best practices with IBM BAW
Cost control and planning for the project team and external service providers
Collection of KPIs using LogScale
Analysis of application errors with LogScale / Queries
User Story definitions / coordination of requirements with the business department and development team
Testing and defect tracking
UI/UX design of applications
Preparation and moderation of Brown-Paper workshops
Test concept, test data, test organization, test execution
Collection of team velocity / metrics
Test execution
Script for automated testing
Test organization with business department and IT
Recording and prioritization of defects
Establishment and operation of the application
Establishment of application monitoring with LogScale Dashboards
Checking health endpoints with PowerShell
Post Mortem analysis
Establishment of Incident Management
Establishment of Problem Management
Analysis of errors using LogScale Queries and Dashboard
Pre-processing of data for AI
Evaluation using AI language models (Meta Llama 3.3 LLM and deepset Haystack) and RAG
Installation of runtime environments for LLMs (Large Language Model)
Evaluation of various LLMs
Installation of RAG (Retrieval Augmented Generation) and integration with LLM
Extraction of unstructured data with LLM and RAG
Project based on IBM BAW (Business Automation Workflow), Websphere Liberty, Domea, d.3, REST, LogScale (formerly Humio), Swagger, Powershell, JIRA, Confluence, Lucom Interaction Platform (LIP), Mattermost, Jabber

Alfons G.

Senior Infrastructure Consultant – Technical Project Lead

Frankfurt

Last position:

Senior Migration Consultant / Technical Project Lead

Europe-wide re-platforming & centralization

Independently created the migration concept and implementation plan for the Europe-wide centralization and consolidation of IT services for around 20 European companies as part of a re-platforming program.
Migration assessment: analysis of the existing IT, infrastructure, application, and service landscapes of the companies as the basis for the migration strategy.
Development of the centralized target vision and target architecture based on a modern technology stack, taking platform and containerization approaches into account.
Design of a highly available central infrastructure in an active-active model across two data centers; consideration of cloud, infrastructure, application, CMDB, and IAM services.
Development of the migration and transformation roadmap, including defining migration waves, dependencies, requirements, and priorities for the move from decentralized services to the central platform.
Analysis of technical and organizational dependencies, identification of migration risks, and development of a structured approach for step-by-step migration and centralization.
Creation of target, solution, and implementation views for each service domain; design of the end-to-end join-move-leave process as a blueprint for the European rollout (Jira/Jira Asset Management).
Alignment of migration strategy and roadmap with European companies, management, IT, providers, and other stakeholders; presentation of the 12-month roadmap to the Managing Director Europe.

Kevin F.

Senior Consultant and Platform Engineer

Frankfurt

Last position:

DevOps and Platform Engineer at DB Systel GmbH

Error analysis and fixes including performance optimization of the in-house developed platform API
Change and incident management in day-to-day operations
Responsible for compliance with security and compliance requirements
Vendor management for software development and maintenance
Planning and execution of migration of legacy services to a cloud native platform

Role in the project: project staff, implementation team

Used skills: requirements analysis, IT service and application management, IT operations, error analysis and performance optimization, software maintenance and lifecycle management

Project environment: Cloud Native Platform (Kubernetes, Crossplane, AWS, ArgoCD, Grafana)

Mario S.

Expert in Web Analytics, Tag Management and Consent Management

Last position:

Expert in Web Analytics, Tag Management and Consent Management at Deutsche Bahn AG

Conducting and evaluating web analyses
Creating and editing tags and scripts in the area of tag management as well as banners and other client-side web elements in the area of consent management
Technologies used in development: Tealium, JavaScript, IntelliJ, Git, Android Studio, Selenium, Appium, Adobe Analytics, Power Automate, Power App

Vincent R.

Freelancer

Last position:

Freelancer at VINROTLAB.IO

Consulting and creation of various web applications based on SharePoint and the React framework for different clients
Development and testing of accessible apps for SharePoint
Creation of various test cases for test automation
Development of various solutions based on Azure
Creation of various web services based on .NET
Development of various SharePoint Framework solutions
Development of various UI solutions based on SharePoint
Consulting and creation of various Power Apps applications and Power Automate for the steel industry and an IT consulting company
Support, consulting, and development with offshore teams for SharePoint 2013, 2016, and microservices for a logistics company
Consulting, concept design, and development of microservices and web applications based on Microsoft technology and the React framework for a logistics company
Consulting, concept design, and development of various SharePoint Framework solutions on SharePoint 2016 for logistics
Consulting for the migration from SharePoint 2010 to 2016 for an IT consulting company

Ulm P.

Freelance IT Specialist

Steinbach (Taunus)

Last position:

DataStage ETL Expert at ING Bank

Datastage 11.7, dbt, Oracle 19, Python 3.12 / PySpark 3.5, Azure GitHub, Azure DevOps, Automic
Development of migration jobs to transfer data from the collection DWH to the new Risk Mart, as well as development of ETL pipelines to migrate historical data from the old Mart to the new Risk Mart.
Storage of the silver layer on Hadoop and the gold layer in Oracle.
Translation of DataStage jobs into dbt to publish reporting data in Google Cloud to a PostgreSQL database.
Creation and optimization of complex SQL queries for data extraction from a data vault, taking into account historical data in the point-in-time tables.
Creation of Oracle table definitions (DDL) and adjustment of existing stored procedures.
Versioning changes in GitHub and deployment via the CI/CD portal.
Refactoring long-running DataStage jobs into Python using PySpark to reduce server load.
Migration of SAS scripts to PL/SQL, including new development of distribution functions that have no direct equivalent in Oracle.
Development of Automic jobs to run DataStage pipelines and Python scripts (PySpark jobs) that control the population of the SME and institutional risk tables in the Risk Mart and perform business calculations.
Participation in the agile process, including creating user stories, estimations, and planning in Azure DevOps.
Handling Azure DevOps tickets and close collaboration with testers and business teams for error analysis and resolution.

Werner K.

Test Coordinator, Designer and Engineer

Bad Homburg

Last position:

Test Coordinator, Designer and Engineer at IBM

Testing the SekIDP and related components
Test design, execution and automation, microservices, GitHub Enterprise, Eclipse, Katalon Test Platform, API Testing, Confluence 8, JIRA/Xray, Draw.io, Swagger/OpenAPI, Postman, Docker, Kubernetes, Podman, PuTTY, E-Health, Telematik, Gematik standards, EPA, E-Rezept, sektoraler IDP, encryption, XaDES, PaDES, DICOM, HL7, FHIR, IHE, ICD, SSO, SAML/Shibboleth, OAuth, smartcards, JWT, two factor authentication Android and iOS, Wireshark, BrowserStack, Cypress, gRPC, REST, SOAP, WS-Security, Linux Shell, PowerShell, SSH/SSL, Java, Kotlin, Cordova, Gradle, Groovy, Python, TypeScript

Driss C.

Freelancer – Senior IT Consultant | Modern Workplace & AI

Mühlheim am Main

Last position:

Freelancer – IT Service Manager at E.ON (Westnetz GmbH)

Support and optimization of incident, change & problem processes based on ITIL for >10,000 users.
Problem-solving for >1,000 complex cases/year across different service towers (File Services, Identity, Citrix, ANF).
Work in the security cluster: vulnerability analysis and firewall change coordination.
Governance & migration of file services to Azure NetApp Files (M365, Citrix, PowerShell), including data optimization.
Creation and maintenance of business-critical process & operational services, enterprise documentation.
Focus on stabilization, security (endpoint hardening), and optimization through AI solutions.

Mahesh S.

Azure Solution Architect

Last position:

Azure Solution Architect at Automotive industry

Implementation of complex Azure resources using Terraform IaC and Azure DevSecOps pipelines with network security and zero-trust governance policies
Optimization of the existing network design, firewall and database migration
Implementation of governance and network policies as Policy as Code (PaC)
Establishment of company-wide Azure connectivity using Azure VPN as an IPSec tunnel
Implementation of hybrid on-premises multi-cloud connectivity (GCP, Azure) using Terraform
Development of Azure Functions for scheduled cron jobs and Service Bus message queuing with topics
Optimization of messaging with Service Bus premium features and IP whitelisting
Stakeholder management, customer communication and creation of Architectural Decision Records (ADR)
Responsible for cost-efficient quick wins in Azure and on-premises systems

Alexander M.

Managing Director & Senior Project Manager

Eschborn

Last position:

Managing Director & Senior Project Manager at Mendelson GmbH

Interim project manager and requirements engineer in various client projects

Dilip K.

Solution Architect | Client-Facing Enterprise Platform Delivery | Trusted Advisor | .NET/Azure

Offenbach

Last position:

.NET Technical Lead & Application Architect at Hays AG

Devised a new Domain-Driven Design architecture for a core system: reverse-engineered a central component, refactored the data-access layer to minimise database round-trips (improving scalability) and migrated processing to async.
Decomposed the platform into independent .NET Core microservices (database-per-service) with RabbitMQ pub/sub using the Outbox Pattern + Saga choreography, behind an Ocelot API Gateway (JWT, rate limiting, CORS, health checks).
Delivered on .NET Core / Angular / SQL Server / EF Core with Docker and Azure DevOps CI/CD; implemented health checks and CORS; contributes technical designs for stories in agile Scrum.
Sole ADR owner; mentored 3 engineers and presented architecture decisions directly to the Director of Corporate IT.

Erhan Y.