Microsoft Exchange Experts in Germany

Migration of an existing application to a new IT infrastructure.

• Managed all project activities (infrastructure, applications, data, security, architecture)
• Planned complex network architectures with security requirements
• Designed and coordinated firewall configurations
• Planned and managed interfaces between ERP, cloud, and third-party systems
• Coordinated middleware solutions (e.g. SAP Integration Suite, MuleSoft, Boomi)
• Defined data flows, mapping rules, and integration architectures
• Managed data migrations and master data harmonization
• Coordinated with business departments, IT teams, service providers, and external partners
• Team size: International team of 35 employees – Germany | Poland | India | USA
• Languages: English

Tools: Microsoft Office (Word, Excel, PowerPoint, Project), Brainloop, Jira, Confluence, MS SharePoint

• 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

Creation of concepts for M365 implementation, especially Tenants, EntraID, EntraConnect and ExchangeOnline, taking BAS standards into account (mandatory baseline security requirements) in the project "Concept M365" with the aim of transferring the concepts to the M365 environments of Bitmarck and then handing them over to the customer.

• Creation of a current-state analysis of the existing M365 environments as well as the on-premises environments and the BAS standards.
• Creation of concepts for the topics Tenants, EntraID, EntraConnect and ExchangeOnline taking the BAS standards into account
• Design and implementation of an automated solution for creating standardized M365 tenants based on Microsoft M365 DSC (Desired State Configuration)
• Transfer of the concepts into the M365 environments
• Creation of detailed technical documentation

With project PRIZMA, DB will modernize its infrastructure on the one hand, and develop a fail-safe IT landscape on the other hand, which can be restored quickly and securely in case of a disaster.

• Capture current architectures of existing systems as well as methodical consulting and development of target architectures
• Deepen and maintain the building plan / target IT landscape
• Implement technical architecture concepts & architecture descriptions
• Implement migration concepts for updating and further developing the platform and information systems
• Assess submitted improvement suggestions as part of the project
• Capability management: identify capability gaps, develop target visions, and support transformation planning within the enterprise architecture.
• Create a compatibility matrix of the components in use and compare dependencies of specific versions
• Create an IT concept for extending the platform with the following topics: hardware and software requirements, security, licensing, high availability, load balancing, backup & recovery, update strategy, monitoring integration, etc.
• Coordinate with business architects as well as technical architects from the cross-functional architecture area of the PRISMA program for the topics (backup, Active Directory, monitoring, Citrix, and business applications ...)
• Status meetings and alignment of project planning with the Release Train Engineer / Project Manager
• Advise the Release Train Engineer / Project Manager in identifying project risks
• Advise the System Architect Engineers in steering the implementation of the concept
• Implement the IT concept
• Document the infrastructure

Label: MS Project, LINUX, Windows, ORACLE, Java, REST, SharePoint, Microsoft Exchange, UML, Enterprise Architect, BPMN, AZURE, AWS, V-MODEL, Micro Service, VisualStudio, SAP S/4HANA, SCRUM(SAFE), ESB (TIBCO), Python, Innovator, LeanIX (TOGAF), Ansible, Ansible Tower, Ansible Automation, ROBOT, SpringBoot

• Technical leadership and further development of a team of 28 IT staff (internal & external) in the areas HelpDesk/HelpLine, RHEL (Red Hat), MUREX (trading system & applications), SAP basis operations
• Managing external service providers (including FI-TS for SAP basis operations)
• Personnel, resource and budget planning for the IT department and projects
• Introducing and establishing regular communication formats (weekly status meetings, team and cross-department meetings)
• Ensuring application operations in a hybrid environment (Windows/Linux with database and web/application servers)
• Supporting transformation projects to modernize the application landscape (e.g. DevOps approaches)
• Setting up and implementing a digital IT procurement for hardware & software (e.g. with DELL)
• Developing and managing the "IT Operations DOS" department based on corporate strategy
• Preparing management reports & decision papers on IT projects, optimization potential and automation opportunities
• Representing the department in the advisory boards of the Rentenbank and ensuring regulatory compliance (BaFin §44, GDPR, BSI, MaRisk)

Windows Administrator, software deployment, user support, Azure / Entra administrator, hardware support, software packaging, defining and introducing processes

Tasks performed:

• Handling incidents, service requests & changes in the Matrix42 ticket system
• Handling / resolving incidents
• User creation / permissions
• Installation and patch management for Windows
• Permissions and license management in Entra
• Process improvement and documentation

Tools and methods used: Windows Server 2016 / 2019, Active Directory, Windows 11, Office 365, Azure / Entra, Ivanti, VMWare & ESX, Dell & Kyocera Minolta & Zeus hardware support

• Analysis of requirements and the current situation
• Migration of an old domain structure and Tobit to Exchange 2019 with integration to MS365
• Evaluation of implementation paths and planning for securing sensitive data
• Planning regarding BSI basic protection, the German Federal Data Protection Act (BDSG), and GDPR
• IT governance and IT security backtests
• Support with ERP setup and securing mail transfer
• Hyper-V 2016/2022, Microsoft Terminal Services Cluster, Microsoft Exchange 2019
• Office 365, Microsoft 365, Azure AD, Teams, Salesforce
• Cisco, Zyxel, and HP switches, Sophos firewalls/UTMs, SecurePoint
• Microsoft IIS 2022, IPv4/IPv6, Veeam, Wortmann online backup, NextCloud
• Services: DNS, DHCP, TCP/IP, subnetting, firewalling, routing, VoIP, Group Policy (GPO), SIEM, remote work, home office, high availability, failover, VLAN, PRTG

• Replacement and renewal of the existing client PCs with an upgrade to Windows 11 and mobile workstations with laptops and docking stations
• Introduction of Office365 with OneDrive use
• Introduction of e-invoicing with DATEV accounting software
• Revision of the standard office applications in daily use
• File storage in SharePoint instead of local data storage
• New authorization structure for users
• Use of Microsoft accounts to synchronize profiles
• Reorganization of the document scanning process with storage in SharePoint
• New backup concept in addition to the Microsoft cloud solution
• Introduction of new data structures: review and separation of data into active, inactive, private, business
• Simplification of processes
• Increased data security and improved security
• Permanent data availability at all internal and external workplaces

Senior IT Integration Manager for an international transformation program, focusing on IT integration, data migration, stakeholder management, dependency steering, governance and management reporting.

Bullet points

• Steering IT integration and transformation activities in an international enterprise environment
• Coordination between business, IT, specialist departments and external service providers
• Planning and tracking roadmaps, milestones, dependencies and risks
• Preparing status reports, decision papers and management updates

• Senior IT Transformation Consultant and Business Analyst with a focus on banking and large-scale transformation projects.

• Many years of experience in analyzing, structuring, and implementing business requirements, as well as designing target states in complex IT landscapes.

• Strong interface skills between business and IT, with a focus on translating business requirements into workable IT concepts and architectures.

• Solid experience in designing and improving end-to-end processes, as well as creating business concepts and decision papers.

• Proven project success in the areas of Identity & Access Management (IAM), post-merger integrations, IT infrastructure, and regulatory requirements.

• Confident in working with agile methods and artifacts.

• Software implementation projects for banks, insurance companies, and trade

• Further development of the existing SCCM 2509 implementation
• Schema extension, CAS extension
• Creating task sequences, in-place upgrade
• Patch management (WSUS)
• Security updates, feature updates
• Emergency fixes, application updates
• Incident, change, and problem management (3rd level)
• Active Directory, DNS, DHCP, GPMC
• Managing users, groups, OUs, computers
• Setting up GPOs
• Senior consultant for software packaging in an SCCM 2509 environment
• Project management ITIL standards
• Defect management
• SIT (Software Integration Test)
• SAT (Software Acceptance Test)
• UAT (User Acceptance Test)
• Adjusting Windows 11 25H2 client deployment
• Secunet SINA management systems administrator
• Secunet SINA Workstation 3.5.4
• Maintenance and configuration work in SINA management
• Importing and adjusting IPsec policies
• Retrieving and documenting status, firmware versions, and configurations of individual SINA devices
• Consulting and implementation in fault and incident management
• Implementation of documentation and rollout of new software versions
• Creating software packages based on PowerShell App Deployment Toolkit, Flexera AdminStudio for the W11 64-bit platform and Server 2025 / 2022
• Number of PC systems: approx. 1,850.

Label: PowerShell, VBS, Batch scripting

Label: SCCM 2503, Windows 11 64 Bit, Windows 2025 Server, Windows 2022 Server, Windows 2019 Server

• Disciplinary and professional leadership of the IT and service team
• Definition and documentation of the Current Mode of Operation (CMO) in Confluence: application landscape, infrastructure, networks, backup & storage
• Development of the Future Mode of Operation (FMO) including process analysis & stakeholder interviews with all departments using BPMN and flowcharts
• Optimization of license management: reduction of ongoing software costs by approx. 17% p.a.
• Introduction and establishment of Jira as the central tool for project and service management
• Introduction and rollout of the HR software MindKey to digitize HR processes
• Introduction of a VoIP solution with Microsoft Teams incl. PSTN connection to replace classic telephony
• Introduction of the production and planning software OptiControl to digitize operational processes
• Rollout of Intune as a Mobile Device Management solution for Windows, iOS and Android
• Build-up of Power BI dashboards for machine park monitoring and financial reporting
• Planning and execution of the IT consolidation of two locations for 170 users
• Introduction of automated penetration testing with Pentera
• Coaching and mentoring the team in agile methods & project management
• Operational support in day-to-day business: administration, incident & change management
• Management of external service providers and assurance of the quality of outsourced IT services
• Responsibility for the IT budget incl. planning and controlling
• Direct reporting line to management with regular management reports on IT KPIs, budget and project status

• Overall coordination of service providers for all infrastructure topics at a production site being set up in Baden-Württemberg
• Design and finding solutions for internet connectivity, building office communication networks, setting up WLAN in production and administration buildings, IP address management, password policies, time tracking, access control systems, backup strategies, emergency power planning, operating concepts, cost planning, event management, workplace setup including laptop/mobile phones/telephony, remote support, print servers
• Selecting suitable external service providers and planning to meet needs for spare parts, repairs, on-site service, network and workplace support including on-site system replacement by providers
• Choosing suitable external service providers for facility management and building technology (fiber optic connections, data center infrastructure, cable ducts etc.)
• Coordination with clients and service providers
• Escalation management, schedule control
• On-site presence for service meetings and managing service providers