Peter Viehöver - IT Infrastructure Project Management

Q: Where is Peter based?

Peter is based in Kürten, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Peter speak?

Peter speaks the following languages: German (Native), English (Advanced) .

Q: What is Peter's latest experience?

Peter's most recent position is Cross Project Excellence at Energy provider .

Q: What is Peter's education?

Peter attended education in Mathematical Technical Assistant .

Q: Does Peter have any certificates?

Peter has 3 certificates . These include: PRINCE2® Foundation , PRINCE2® Practitioner , and SUN Certified Consultant .

Q: How to hire Peter?

To hire Peter, click the Meet button on the profile to request a meeting and discuss your project needs.

Recommended expert

Kürten, Germany

Experience

Cross Project Excellence

Energy provider

Overarching technical coaching and support for project managers during the migration of regional companies into the group's O365 infrastructure (Azure).
Creation and use of content, technical, and methodological synergies between the individual subprojects.
Project duration: 9 months.

On-site

Datacenter Onsite Support, Capacity Management and Infrastructure Support

Energy provider

Providing onsite hardware support for the entire server environment (HP C7000 enclosures, HP DL servers, Oracle SPARC servers and Exadata) in two datacenters.
Planning capacity for rack space and network ports.
Planning network expansions.
Coordinating with datacenter interfaces (infrastructure, network, storage, backup, facility).
Infrastructure support and consulting for various applications, focusing on network topics and load balancing.
Developing test scenarios and supporting testing.
Project duration: 9 months.

United Kingdom

Datacenter Transition Project

Energy provider

Consolidation of multiple datacenters (UK, Germany) into a datacenter with two sites (1 existing datacenter, 1 new build) as part of an international project.
Key planning for infrastructure and network design (DMZ, different security zones, load balancing concepts, and planning/coordinating the VLAN structure).
Coordinating infrastructure setup and implementing the project interface for the new datacenter build.
Application migration management for various applications after infrastructure delivery.
Planning the required target infrastructure as well as coordinating the setup of the target environment and supporting the infrastructure side of application migration.
Project duration: 21 months.

Fileservice Optimisation

Energy provider

Supporting the respective regional and national subsidiaries in migrating on-premise file services (usually NetApp) to the Azure Cloud (preferably SharePoint Online, alternatively Azure NetApp Files, aka ANF) as part of a cloud and hosting optimization program.
Guiding the business unit leads from analysis (using MigRaven and LinkFixer tools) through the provisioning of test volumes (ANF) and the subsequent migration to the Azure Cloud.
Project duration: 8 months.

Scoping Project for Infrastructure Analysis of Various Applications

Energy provider

Pre-analysis of 15 applications regarding their current infrastructure design.
Development of an initial rough target infrastructure and possible migration strategies.
Rough cost and effort estimation for a later migration.
Project duration: 3 months.

Migration of two V880 systems

Financial Services Provider

New build of the production platform for a private bank on a Sun V1280 with an SAN consisting of two Qlogic switches and four Sun T3ES storage systems.
Planning and execution of the migration from the old system to the new system with minimal downtime.
Parallel setup and migration of the acceptance environment.
Update of the disaster fallback environment using freed-up hardware.
Project duration: 12 months.

Network refresh project management for datacenter LAN, MAN and office LAN

Financial Services Provider

Execution of a project to refresh the datacenter LAN, the in-house MAN and the office LAN.
Introduction of a dual-vendor strategy with Cisco and Juniper after an extensive tender process.
Definition of the migration strategy for each of the nine lots after conducting a PoC (Proof of Concept) and execution and control of the rollout and migration.
Introduction and management of the new vendor Juniper.
Coordination of the respective network teams.
End-to-end implementation of multi-tenancy in the network.
Implementation of over 550 routers and switches and migration of more than 10,000 network ports.
Project duration: 26 months.

System administration

Financial Services Provider / Savings Banks Association

Support of a portal platform consisting of 25 Sun server systems.
Coordination and execution of downtimes and release changes.
Project duration: 18 months.

Application support for EAI environment

Financial Services Provider / Savings and Cooperative Banks

Responsibility for and support of an EAI platform with multiple environments in second-level operations.
Change execution and release planning.
Project duration: 4 months.

Project planning and application support for EAI environment

Financial Services Provider / Savings and Cooperative Banks

Relocation of a financial services provider's investment process from one data center to a new one.
Planning, installation, configuration and integration of the EAI platform (Vitria BusinessWare) into a cluster framework for various environments (production, acceptance, emergency, test and development).
Project duration: 6 months.

Software Development

Research

Worked on a research project to develop climate gas reduction strategies through building insulation measures.
Software development in Visual Basic.
Project duration: 1 year.

Design and Implementation of a Monitoring Environment

IT service provider

Selection and planning of a monitoring platform (Nagios).
Adapting and customizing all required modules and designing the server environment.
Execution and review of rollout on client systems.
Project duration: 2 months.

Germany

WLAN Project Management

Real Estate

Migrated the in-house WLAN based on a Cisco Meraki platform to the company's global Cisco standard.
Managed logistics, planning, and preparation, as well as the migration and installation at 15 sites across Germany.
Project duration: 6 months.

Datacenter Lifecycle Project

Industry / Chemical

A lifecycle project to ensure the operational security of the data center.
Hardware replacement in the ESX environment (HP C7000 blades) and optimization of ESX clusters.
Storage migration from an iSCSI platform (FreeNAS) to SAN storage (NetApp).
Capacity expansion of the SAN storage platform.
Replacement of the SAN switch environment.
Consolidation of the backup environment and reduction of the product landscape (Acronis, MABS, Legato NetWorker, DPM).
Planning and execution of the server core switch environment relocation.
Data center 'clean-up' activities.
Reduction of standalone servers through virtualization, migration, and decommissioning.
Reduction of Windows 2008 servers through upgrade, migration, and decommissioning.
Budget and personnel responsibility as well as project controlling.
Managed project volume: EUR 690k.
Project duration: 12 months.

Datacenter Move and Core Switch Upgrade

Industry / Chemical

Relocated all network components, including network connections (provider/campus), from two data center rooms to two MeetMe rooms of the campus provider.
Migrated the core and DMZ switch environment from Cisco to Juniper.
Carried out a proof of concept for the new core environment.
Planned and executed numerous migration steps while ensuring operational stability.
Project duration: 13 months.

IT project to introduce 'flexible office' workstations

Industry / Chemicals

Led the IT project to introduce the 'flexible office' approach for employees at one site.
Pilot installation of the 'Flexopus' seat booking software for all participating employees.
Rollout of the new AD groups.
Implemented an IdM process for creating and managing new users.
Procurement and distribution of IT equipment for flexible work (headsets, keyboard/mouse combos, docking stations).
Piloted and then rolled out the telephony migration to Extension Mobility (Cisco solution).
Responsible for a project budget of EUR 268k.
Project duration: 7 months.

Infrastructure Central / Decentral

Industry / Chemicals

The initial project scope was outsourcing the central data center capacities to a cloud environment and moving the decentral sites into a managed service. Project focus was on design alignment and provider management. After contract termination, the project continued in two subprojects.
Migration of all external site-to-site VPN connections to a new platform (Central).
Pilot implementation of the user VPN migration and rollout with Managed Workplace (Central).
Consolidation of the worldwide different DNS/DHCP implementations onto a unified IPAM platform (QiP) (Central).
Built a hybrid WAN solution and offloaded mail traffic from the decentral sites from MPLS to separate internet links (Central).
Captured the decentral compute workload and categorized the sites into seven different target platforms (Decentral).
Ran a vendor contest (HP, DELL, Cisco) for the target platform (Decentral).
Conducted a distributor tender to select a project partner for hardware delivery, staging and export to 80 decentral sites (Decentral).
Managed the distributor and the global rollout of servers to the decentral sites (Decentral).
Prepared infrastructure requirements (racks, power, network ports) at the decentral sites (Decentral).
Coordinated and commissioned the Hyper-V platform (Decentral).
Migrated the decentral compute workload (500+ servers) to Hyper-V (P2V, V2V) across 80 locations (Decentral).
Developed and rolled out a worldwide standardized backup concept (MABS including Azure Vaults) (Decentral).
Created all operation manuals and trained the decentral server team (25+ administrators) (Decentral).
Rollout SCCM for Managed Workplace (Decentral).
Handover to Operation (Decentral).
Responsible for budget and personnel as well as project controlling (Decentral).
Responsible for a project budget of EUR 4.8M.
Project duration: 27 months.

Lifecycle project for replacing Palo Alto firewalls

Industry / Chemicals

Replaced Palo Alto firewalls at 8 international group sites, including procurement, rollout and commissioning.
Responsible for a project budget of EUR 316k.
Project duration: 12 months.

Optimization of decentralized server operations

Industry / Chemicals

Procured licenses to switch the decentralized backup system from MABS (Microsoft Azure Backup Server) to DPM (Data Protection Manager) to enable central control and management of all distributed backup servers.
Expanded existing standalone Hyper-V systems at sites in China, India, Germany, USA, Brazil and Argentina with SAN storage and converted them to a cluster solution.
Responsible for a project budget of EUR 658k.
Project duration: 8 months.

Computer room relocation

Industry / Chemicals

Planned and coordinated a computer room relocation at a customer site.
Coordinated with the 'construction project' (including building the new computer room).
Coordinated the inventory check (systems, cabling and connections).
Managed the involved service providers (offshore operations, EMSR providers, telecommunication providers, carrier internet and MPLS connections).
Planned and coordinated recabling and parallel setup.
Created and aligned the cut-over runbook.
Planned and coordinated the cut-over.
Responsible for a project budget of EUR 50k.
Project duration: 6 months.

WiFi Access Points Lifecycle Project

Industry / Chemicals

Execution of an international lifecycle project at 14 locations worldwide (EMEA, APAC and NORAM) for replacing the existing HP Aruba access points with Juniper access points, including the procurement and rollout process.
Managed project volume: EUR 814k.
Project duration: 20 months (ongoing).

WiFi Lifecycle Project

Industry / Chemicals

Replacement of 170 Cisco access points with current models at one customer site, plus installation of 37 additional access points after a post-site survey.
Procurement of access point hardware and PowerStack cables.
Pilot deployment of the rollout.
Increase of PoE capacities by linking access switches with PowerStack.
Coordination of technicians and installers.
Migration of access points to the new WLAN controller infrastructure.
Updating the CMDB and disposal of old devices.
Conducting a post-site survey and implementing the resulting recommendations.
Deployment of 37 additional access points to improve WiFi coverage, including managing the service provider.
Managed project volume: EUR 336k.
Project duration: 8 months.

Software Release and Platform Migration of an Advanced Platform Scheduling (APS) Application

Industry / Steel Processing

Executed a project to migrate the company's APS application to a new infrastructure platform, including upgrading to the latest application software version and preparing and coordinating the cut-over.
Technology transition from a Citrix platform to an Azure Admin Desktop solution.
Project duration: 12 months.

Switching App Access from VPN/Citrix to Azure VDI

Industry / Steel Processing

Rebuilt the application connection for an external logistics provider to the company's IT platform, switching from a VPN and Citrix setup to Azure VDI due to stability issues.
Coordinated the provisioning of an Azure session host.
Set up application access.
Transitioned the external provider to the new connection.
Project duration: 4 months.

Isolated Network Connection for 'Weight and Dimensioning' Systems at Warehouse Locations

Logistics / Air Freight

Isolated network connection of newly deployed systems for capturing weight and dimensions of individual packages to optimize air freight shipments.
Implemented the connection via dedicated DSL lines with a small firewall system at each warehouse location.
Managed external service providers.
Arranged the necessary on-site network connections.
Commissioned the required firewall rules.
Project duration: 6 months.

Germany

Site Connections (MPLS/SDWAN) for Site Relocations

Logistics / Air Freight

Project management for setting up site connections and managing providers for LAN rollout including WLAN in the company's relocation projects across six different German sites.
Project duration: 24 months (ongoing).

Setup of a UNIX Production Environment

Telecommunications

Setup of a UNIX production environment for a Customer Relationship Management platform in the telecommunications sector.
The environment mainly consists of 4 x E6500, 3 x E4500 and 4 x E450, running in HA pairs with Veritas Cluster Server.
Used A5200 (Sun Microsystems) and 8430 (EMC2) systems as storage, managed with Veritas Volume Manager.
Project duration: 12 months.

Setup of a UNIX Production Environment

Telecommunications

Setup of an infrastructure for an internet-accessible service platform.
This production environment consisted of 2 x SunFire 6800, each with 2 domains (clustered across the boxes) with EMC storage, 5 x E4500, 8 x Netra T1 AC200 and 1 x E280R.
Project duration: 5 months.

Infrastructure Design and Cost Estimation

Telecommunications

Planning infrastructure and server environments according to project requirements.
Coordinating with the project manager and operations leads, considering company-wide infrastructure guidelines.
Presenting costs, re-use and benefits in a business case.
Project duration: 13 months.

Installation of Application and Web Servers / Operations

Telecommunications

Working in a team to build and then operate a Europe-wide web portal with approx. 500 Sun systems (T2000, V210, V440).
Main responsibility for automated installation and setup of both Linux and Sun systems and Solaris zones using the Jumpstart Enterprise Toolkit (JET).
Project duration: 2 months.

Consolidation of development environment onto a SunFire 6800

Telecommunications

Migration of two E4500 development servers into two domains on a SunFire 6800.
Project duration: 4 months.

Migration of CRM production environment to Solaris 8

Telecommunications

Step-by-step reinstallation of a CRM environment (production, test, development and training environments) on Solaris 8.
Systems used: 4 x E6500, 3 x E4500, 4 x E450, 2 x E250.
Technical project planning for the migration while preserving data integrity and minimizing downtime.
Project duration: 4 months.

Project work (infrastructure setup)

Telecommunications

Provisioning the infrastructure for a customer information and billing system.
Quality control regarding the implementation of the installation instructions and providing and managing all software licenses.
The environment consisted of 6 x E10000 and several E6500 and E4500 systems (Sun Microsystems) and numerous EMC2 disk subsystems.
Project duration: 10 months.

Technical subproject lead (infrastructure) for LDAP implementation

Telecommunications

Subproject lead for building the infrastructure as part of an LDAP introduction.
Project duration: 5 months.

Storage virtualization testing

Telecommunications

Conducting various tests with the EMC2 Invista product for storage virtualization.
Installing a domain on a Sun E25K and provisioning disks in the SAN from different EMC2 hardware (Clariion and Symmetrix).
Performing failure tests, setting up virtual volumes, transparent data migration between SAN platforms and cloning.
Creating a test report.
Project duration: 1 month.

UNIX System Administration

Telecommunications

Administration of central UNIX servers (Sun OS).
Project duration: 1 year.

Revamp of an Operational Test Environment

Telecommunications

Migration of 3.2 TB of data (EMC2 storage) via backup and restore from an E10000 domain to an E6500.
Setup of a new E10000 domain with approx. 9 TB of data and an E10000 with 3 domains and approx. 14 TB of data.
Project duration: 4 months.

Germany

Workstream Lead in the "Datacenter Refresh and Renewal" Program

Telecommunications

Participated in an international program to replace end-of-service-life infrastructure components (storage, SAN switches, routers, LAN switches, firewalls, and load balancers).
Built several Cisco Nexus fabrics at three European data center sites (Dublin, Milan, Ratingen) across 32 data center rooms.
Complete replacement of EOSL network components in 71 network environments with top-of-rack switch technology.
Responsible as the workstream lead for the three national datacenter management teams.
Led the local team in Ratingen (ten project members) and coordinated activities at the Dublin and Milan sites, including reporting to the overall project.
Budget planning (annual budget approx. 2 million EUR).
Rebuilt server and network rack rows on schedule.
Coordinated network cabling work and power connections.
Deployed all network and SAN switches and coordinated 17,600 server moves.
Project duration: 30 months.

UNIX System Administration, Oracle DB Administration

Traffic Telematics

Set up and managed the UNIX system environment (Sun OS, Solaris, and Digital UNIX) for a newly founded company.
Temporarily took over Oracle database administration.
Project duration: 5 years.

General System Administration

Various (Telecommunications, Banking, and Retail)

Planned and executed an NIS migration with approx. 350 systems (Digital UNIX and Sun Solaris).
Reviewed the security status of a computer environment and created a list of action items.
Coordinated and implemented measures to achieve Y2K compliance for Sun systems.
Project planning for a new installation of an HA cluster with SDS devices and Veritas HA (formerly Open Vision HA).
Set up a Jumpstart server for special customer applications.
Set up and managed SDS (Solstice DiskSuite) devices.
Managed and installed the tools StP (Software through Pictures) and Clear-Case.
Managed and installed the Smallworld GIS.
Set up and installed security tools TCP-Wrapper, SATAN, and Crack.
Project duration: 7 months.

Summary

Project management in the infrastructure area (servers, network, and storage)
Datacenter transformation / transition
Rollout and migration projects
International projects
Team building & leadership
Communication
Technical background
Budget management and controlling
Hands-on mentality

Languages

German

Native

English

Advanced

Education

Mathematical Technical Assistant

Certifications & licenses

PRINCE2® Foundation

PRINCE2® Practitioner

SUN Certified Consultant

Statistics

Experience

Total positions 40

Global Experience

Countries worked in 2 (Germany, United Kingdom)

Primary country Germany

Qualifications

Certifications earned 3

Profile

Created

April 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Peter based?

Peter is based in Kürten, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Peter speak?

Peter speaks the following languages: German (Native), English (Advanced).

What roles would Peter be best suited for?

Based on recent experience, Peter would be well-suited for roles such as: Cross Project Excellence, Datacenter Onsite Support, Capacity Management and Infrastructure Support, Datacenter Transition Project.

What is Peter's latest experience?

Peter's most recent position is Cross Project Excellence at Energy provider.

What is Peter's education?

Peter attended education in Mathematical Technical Assistant.

Does Peter have any certificates?

Peter has 3 certificates. These include: PRINCE2® Foundation, PRINCE2® Practitioner, and SUN Certified Consultant.

What is the availability of Peter?

Peter is immediately available part-time for suitable projects.

What is the rate of Peter?

Peter's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.