Michael S.-Application Operations

Check rate
Experience
Senior System Engineer
VCS Value Chain Solutions GmbH
Planning and updating the entire environment to Windows Server 2022 and 2025
- Hardening of DCs and servers, setup of event log forwarding
- Migration of all existing Windows 2019 servers (including Active Directory DCs, DNS and CA) to Windows Server 2022 and 2025
- Automation of security patches for the Hyper-V clusters via PowerShell (CAU)
- Network administration
- Continuous operation and support of the MS Hyper-V environments
Application Management
Deutsche Pfandbriefbank AG
Support for the Abacus migration to RCloud
- Creation of a migration roadmap
- Periodic data transfer via Oracle export and transmission via SFTP
- Migration and decommissioning of the in-house Kubernetes environment
Application Operations
Hausbank
- Configuration and expansion of monitoring
- Setup of a monitoring test instance and integration of the Windows and Linux servers
- Creation of the documentation for the checkmk environment
- Handover to operations
- Administration, installation, documentation
- IT environment: Windows Server 2019, Ubuntu Server, Checkmk
Data Migration Infor / BVB
Fellow Consulting AG
- Support for the data migration from Navision to Infor M3
- Documentation of the ETL environment and creation of the data migration strategy
- Execution of data loads into the target system using Pentaho and Python
- Error documentation
- Activities: documentation, installation
Senior Specialist Application Management
Deutsche Pfandbriefbank AG
- Operation and maintenance of several middle- and back-office banking applications (including Abacus regulatory reporting, Cognos, specialized applications based on MS SQL)
- Maintenance of user data, scheduler operations, scripting, deployments and patches, as well as installation support
- Use of IT tools (Jira, Confluence) and support of system monitoring tools and end-to-end monitoring (Nagios, Sakuli)
- Participation in the planning, analysis, design and execution of IT projects, as well as participation in reviews for quality assurance
- Recording, analysis and evaluation of IT requirements, as well as coordination of implementation with release planners
- Detailed planning, implementation coordination and control of tasks carried out by the provider when implementing new IT technologies, processes and applications
- Participation in the department's internal 24x7 on-call service
- Troubleshooting of issues in the supported applications during operations and problem management
- Subproject management for the migration of the existing Abacus360 installation to Kubernetes
- Setup of the Abacus Control Servers and migration of the test, QA and production environments
- Introduction of KNIME (Internal Reporting) on Windows Server and MS SQL Server 2019
- Subproject management for the migration of all internal bank MS SQL instances and databases from MS SQL 2016 to MS SQL 2019
- Implementation of Abacus 7 in DEV, TEST, QA and production
- Takeover of an application for risk calculation (Specialized Finance System) from a cloud provider as an in-house solution
- Preparation, installation and configuration of the production, test, development and QA environments with web server (IIS), database server (MS SQL) and computational servers
- Commissioning of the Abacus360 Application Server on RedHat Linux with Oracle12 database on Solaris
- Support for the infrastructure team in supporting Cognos/TM1 and troubleshooting Abacus 360 installations
- Setup and configuration of a second test environment for the Abacus/davinci reporting system
- Access to the server systems via the PAM system CyberArk
- IT environment: Windows Server 2012/2016/2019/2022, SQL Server 2016/2019, RedHat Linux, Oracle databases
Senior System Engineer
VCS Value Chain Solutions GmbH
Data center and disaster recovery environment operations (Business Continuity)
- Continuous operation and support of MS Hyper-V environments, including Hyper-V replication
- Log file monitoring (backup) using PowerShell scripts
- Operation of Exchange Server and replacement of network switches Relocation of hardware to a new data center (Hyper-V cluster and SQL Always-On cluster)
- Planning and implementation of the migration of a Windows Server 2012 Hyper-V cluster to Fujitsu Primergy servers, Eternus storage and Windows Server 2019
- Migration of a SQL Server 2012 AlwaysOn cluster to Windows Server 2019/SQL 2019
- Monitoring of all systems in PRTG Network Monitor
- Migration of Microsoft Data Protection Manager and Microsoft Exchange to current versions
- Migration of three physical SQL 2014 servers to a new SQL 2017 AlwaysOn cluster on Windows Server 2016
- System administration of an IT infrastructure distributed across two locations
- Migration of the domain controllers (and CA) from Windows Server 2008/2003 to Server 2012/2019
- Project management for the migration from Microsoft SQL 2008 to SQL 2012 on 12 servers
- Setup of a Microsoft Server 2012 Hyper-V cluster with Cluster Shared Volume
- Automation of database test system recovery using PowerShell and SQL scripts
- Design, implementation and documentation of data backup using Microsoft Data Protection Manager 2012, including archiving to tapes
- Establishment of hardware monitoring via SNMP for all physical servers
- Evaluation and introduction of a centrally manageable antivirus solution
- Integration of an AS2 Connector solution for EDI data transfer with partners
- IT environment: Windows Server 2012-2019, SQL Server 2008-2019, MS Data Protection Manager 2012-2019, PRTG Network Monitor, Exchange 2010-2019
Data Center Operations
Hauck & Aufhäuser
- Operation of the server infrastructure across two locations
- Administration of the Microsoft Server 2003/2008 and Linux operating systems within the virtualization farm based on VMware vSphere
- Administration of infrastructure services (DHCP, DNS, Squid, Postfix, Exchange, Active Directory)
- Setup of Exchange replication between Exchange 2003 and Exchange 2010
- Administration of endpoint security (McAfee), backup system and SQL Server
- Support of terminal servers (Citrix XenApp V5), BlackBerry Server and Good Server
- Administration of Lumension Device Control and Auconet Port-Locking
- NetApp troubleshooting (NetApp FAS 3020c Metrocluster)
- Process automation through scripting and Second Level Support
- Introduction of Icinga as a monitoring system on Ubuntu servers, including script development for automatic configuration changes
- Creation of the monitoring concept, installation documentation and operating manual
- Change of the email disclaimer tool to an open source solution on Linux (altermime, postfix)
- Migration of user policies and the logon script using AppSense
- IT environment: Windows Server 2003/2008, SQL Server 2005/2008, VMware ESXi 3/4, Citrix XenApp, McAfee, Legato Networker, Ubuntu, CentOS
- Knowledge of Windows scripting (CMD), KIXtart Script and VB-Script
Setup of an IT Infrastructure
Cartag GmbH
- Installation of an Active Directory based on the Microsoft Essential Business Server on three servers
- Setup of all users and installation of client laptops and printers
- Integration of the hardware into Active Directory
- IT environment: MS Exchange, Windows 7, Windows Server 2008
System Engineer
MAN
- Rollout and migration for several locations
- Operational handover of the rollout to IBM Operations Competencies
- Troubleshooting during the rollout through incident tracing and management
- Creation of best practice documents
- Setup and transition to operations of the ModelOffice, including implementation of the technical solution
- IT environment: MS Office 2007, MS Project, MS Visio, Quest, Windows Server 2003/2008
Installation and Configuration of Hyperion System11
IFIRST Group Accounting GmbH
- Installation and configuration of a test system with Oracle Hyperion System11
- Components: Foundation Services, Financial Management (HFM), Essbase and Planning
- Documentation of the complete installation and configuration
- Consulting on virtualization of the test server (P2V) and implementation on laptops using VMWare Workstation 7
- Provision of a presentation environment for customer meetings on Windows 7 64bit
- IT environment: Oracle 10.2.0.2, Oracle Hyperion System 11, VMWare, Windows Server 2003, Windows 7
Review of Hyperion System Architecture
Daimler AG
- Review of a Hyperion system architecture regarding a migration from the production environment to the backup environment (fallback scenario)
- Review of the backup concept and automation of the complete data migration (Shared Services, BIPlus, Planning and Business Rules) using Windows Command and SQL scripts
- IT environment: MS SQL Server 2005, Oracle Hyperion System 9.2, Windows Server 2003
Creation of Transcar Control Center Operator Manual
Telelift, Transcar
- Creation of a detailed manual for the central control component of automated guided vehicles
- Learning the subject matter and testing the software in a development environment
- Project carried out for a large hospital
Troubleshooting and Configuration of Microsoft SharePoint Server
Uniklinik
- Troubleshooting and resolution of issues in SharePoint Search
- Changing accounts from local accounts to domain accounts
- Checking SharePoint timer job definitions and web application availability
- Checking and updating MS SQL Server settings
- Reviewing the SharePoint configuration for security-related settings
- Activities: analysis, consulting, configuration, optimization, server administration
- IT environment: MS SharePoint Portal Server, MS SQL Server 2005
IT Project Manager
Scout 24 / Autoscout 24
- Introduction of Oracle Hyperion (Financial Data Management, HFM, Essbase, Planning, EPMA)
- Design and sizing of the system architecture and creation of security, disaster recovery and backup concepts
- Set-up of the production environment (15 servers and MS SQL cluster) based on Windows Server 2003 in a new Active Directory (Windows Server 2008)
- Installation of a Citrix XenApp 5 server for dedicated Hyperion users
- Data migration using defined staging procedures (change process according to ITIL)
- Set-up of the ticket workflow and 3rd level technical support
- Deputy project management for the transition of MS Navision operations to a newly created Active Directory
- Installation and configuration of new Windows 2003 servers and Citrix Presentation Server 4.0 to expand the Citrix farm
- Installation of a new MS SQL 2005 cluster for hardware replacement
- Planning of project and operating costs as part of a preliminary study
- Installation and configuration of Microsoft Team Foundation Server (TFS) with SQL database cluster, SharePoint and Report Server
- Creation of scripts for the partially automated authorization of users
- Installation of software tools for hardware monitoring (IBM Director 5.2 and HP Systems Insight Manager 5.2 SP1) on MS SQL 2005
- Rollout of hardware-specific agents using self-created scripts
- Testing and deployment of firmware and driver updates
- IT environment: MS SQL Server 2005, MS Navision, Windows Server 2003, Citrix XenApp, Oracle Hyperion, Team Foundation Server, HP SIM, IBM Director
Installation of Microsoft SharePoint Server
Uniklinik
- Complete installation of a Microsoft SharePoint Server with Microsoft SQL 2005 databases
- Consulting, implementation, installation and integration
- IT environment: MS SharePoint Portal Server, MS SQL Server 2005
Project Manager / System Engineer
HVB
- Analysis of performance bottlenecks and further development of the virtualization solution for worldwide access
- Expansion of the virtual solution to over 700 clients and connection of the Milan and Vienna locations
- Expansion of the blade server architecture to approx. 250 blade servers (HP BL480c/BL460c) with central management
- Setup of an automated provisioning environment via script
- Subproject management for the setup of a new trading room, including user and data migration
- Creation of scripts for the Outlook migration (mailboxes, signatures, contacts) from the old world to the new world
- Project management for a migration project involving over 2000 Windows XP clients
- Installation and configuration of 45 blades in 5 blade centers with Citrix Presentation Server 4.0 and VMware GSX Server 3.2
- Setup of a High Performance Risk.net Cluster (Grid Computing) with 1500 nodes using ADS (Automatic Deployment Service)
- Provision of Active Directory, including DNS, WINS, DHCP and NTP for the cluster
- Integration and creation of installation packages for Reuters 3000
- Quality assurance for new software packages and releases according to QSU specifications
- Testing, packaging and rollout support for Microsoft Security Fixes and Service Packs
- Member of the NT Support team for approx. 170 servers and 1800 clients
- Subproject management for the introduction of a NAS solution (NetApp Cluster)
- Introduction of the trading systems DealCapture, Sentry, Sprint and integration of Integral
- Setup of new resource domains in Milan and Zurich, including Voice over IP (Siemens HiNet Xpress)
- Support of print servers and introduction of a videoconferencing system (ELSA Vision)
- Conducting hardware tests and setting up standby recovery systems
- IT environment: Windows NT/2000/XP, Bloomberg, Reuters, Citrix, VMware, NetApp, MS SQL Server, SMS, IBM xSeries, Compaq Proliant
Manager Consulting
2-IT GmbH
- Installation and configuration of a Citrix XenDesktop farm with Microsoft Hyper-V virtualized clients (XP, Vista, Windows 7)
- Customization of the Web Interface to match the Corporate Identity
- Evaluation of ThinClients (Wyse / Igel) for internal use
- Installation and configuration of an MS Office SharePoint Server 2007 farm (production and development)
- Creation of a company site and related team sites for document storage and team calendars
- Design of forms using MS Office InfoPath 2007 and integration into workflows with SharePoint Designer
- IT environment: Citrix XenApp 5.0, XenDesktop 3.0, MS Hyper-V, SharePoint Server 2007, MS SQL Server 2005, InfoPath, Visio
Software Distribution
Viag Interkom (O2)
- Setup of NT servers for software distribution at various locations and assignment of access rights
- Testing and packaging (scripting) of new software
- Coordination of the nationwide distribution of installation scripts for approx. 4000 users
- Pilot project for the introduction of NetInstall as new distribution software
- User support
- IT environment: Windows NT, MS Test, NetInstall, HP Workstation/PC
IT Consultant
Amdahl Deutschland GmbH
- Support of the data protection officer in resolving security-related issues in the Windows NT network
- Creation and implementation of data backup concepts
- Project team member for the reorganization of the network (DNS, WINS, DHCP)
- User support, server and network administration
- Network administrator for the Y2K conversion
- IT environment: Windows NT, Windows 2000, DHCP, DNS, WINS
Sales Consultant
Dr. Seidel Informations-Systeme
- Gathering information about potential customers and presenting the service areas
- Identifying the need for IT services and advising on solutions to problems
- Active sales and preparation of service proposals
- Selecting suitable employees and introducing them to the customer
- Product specialist consultant for the KOSMOS product offering
Freelance Work
mSE GmbH
- Contributed to the programming of a graphics-based analysis module as part of a development team
- Clarified and transferred customer data into the analysis module
- Conducted training on the analysis module
- Prepared the concept and implementation of a sales planning system
- Gave presentations on planning, scheduling, customer order processing, and business analyses
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Banking and Finance, Automotive, Professional Services, and Telecommunication.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Project Management, Operations, Quality Assurance, Business Intelligence, and Sales.
Summary
Activities related to the operation of data centers, setup of infrastructure servers (Active Directory), clusters, virtualization solutions, and implementation of hardware and software monitoring.
My core competencies are:
- Windows Server Administration (2003-2022)
- Application management and support
- Many years of experience in supporting and troubleshooting complex system environments
- Infrastructure setup and migration
- Virtualization (Hyper-V)
- Active Directory Management
- Microsoft SQL Server
- Monitoring (PRTG Network Monitor, Checkmk/Nagios)
Skills
- Windows Server 2003–2025
- Active Directory, Dns, Pki/Ca
- Hyper-V And Hyper-V Replica
- Sql Server And Alwayson Cluster
- Exchange Server
- Network Administration
- Powershell Automation
- Monitoring (Prtg, Nagios, Checkmk)
- Business Continuity And Disaster Recovery
- Data Center Migrations
- Banking Application Management
- Project And Subproject Management
Languages
Education
Fachhochschule München
Diplom-Wirtschafts-Ingenieur (FH) · Industrial Engineering · Munich, Germany
Fachhochschule München
Electrical Engineering · Munich, Germany
Certifications & licenses
Citrix Certified Sales Professional (CCSP 2010 For Desktop Virtualization)
IGEL Fast Track Zur Partner Autorisierung (Thin Clients)
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Michael is based in Erding, Germany and can operate in on-site, hybrid, and remote work models.
Michael speaks the following languages: German (Native), English (Advanced).
Michael has at least 35 years of experience. During this time, Michael has worked in at least 20 different roles and for 18 different companies. The average length of individual experience is 2 years and 8 months. Note that Michael may not have shared all experience and actually has more experience.
Based on recent experience, Michael would be well-suited for roles such as: Senior System Engineer, Application Management, Application Operations.
Michael's most recent position is Senior System Engineer at VCS Value Chain Solutions GmbH.
In recent years, Michael has worked for VCS Value Chain Solutions GmbH, Deutsche Pfandbriefbank AG, and Hausbank.
Michael is most experienced in industries like Information Technology, Banking and Finance, and Automotive. Michael also has some experience in Telecommunication, Professional Services, and Manufacturing.
Michael is most experienced in business areas like Information Technology, Project Management, and Operations. Michael also has some experience in Quality Assurance, Business Intelligence, and Sales.
Michael has recently worked in industries like Information Technology and Banking and Finance.
Michael has recently worked in business areas like Information Technology, Project Management, and Operations.
Michael holds a Master in Industrial Engineering from Fachhochschule München.
Michael has 4 certificates. Among them, these include: Citrix Certified Sales Professional (CCSP 2010 For Desktop Virtualization), IGEL Fast Track Zur Partner Autorisierung (Thin Clients), and ITIL Foundation V2.
Michael is immediately available full-time for suitable projects.
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Calculated based on our freelancers’ daily rates as of 17 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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