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Roland Bohlender-Senior Technical Lead

Roland Bohlender - Senior Technical Lead - profile avatar
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Hösbach, Germany

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Experience

Mar 2024 - Present
Bolzano, Italy

Senior Technical Lead

RIS Raiffeisen Informations Systeme

Expertise details
Position Summary
Senior Technical Lead at RIS Raiffeisen Informations Systeme
Industries
Banking and Finance
Business Areas
Information Technology
Quality Assurance
  • Group-wide transformation program to replace a legacy Lotus Notes/Domino application landscape with a standardized, multi-tenant SharePoint Online target platform for the Italian Raiffeisen banking group.
  • Total scope:
  • 21 legally independent banks
  • approx. 350 live Notes databases
  • several thousand end users
  • parallel operation of legacy and cloud platforms
  • high regulatory requirements (audit, traceability, governance)
  • Program designed as application, organizational and platform transformation – not just a technical migration.
  • Definition of multi-tenant target architecture based on SharePoint Online
  • Design of tenant separation including security, permissions and governance model
  • Analysis and classification of Notes applications by criticality and complexity
  • Definition of migration strategies (standard migration, redesign, retirement)
  • Development of a multi-stage migration approach (pilot, test, production)
  • Planning of fallback, rollback and stabilization measures
  • Technical support and quality assurance of migration runs
  • Development of automations (PowerShell, WebParts)
  • Central technical interface between central IT, bank tenants, business departments and service providers
  • Support in escalations and critical decision situations
  • Technologies: SharePoint Online, Microsoft 365, Azure, PowerShell, Quest Notes Migrator
Jan 2021 - Dec 2023
Innsbruck, Austria

Subproject Manager / Senior Technical Lead

ARZ Allgemeines Rechenzentrum

Expertise details
Position Summary
Subproject Manager / Senior Technical Lead at ARZ Allgemeines Rechenzentrum
Industries
Banking and Finance
Business Areas
Information Technology
Project Management
  • Central migration program to replace a heterogeneous Notes/Domino mail environment with Exchange Online in a multi-tenant setup for several Austrian banking groups.
  • Total scope:
  • 35 banks
  • approx. 11,000 end users
  • approx. 900 group mailboxes
  • complex coexistence phases with parallel operation
  • high requirements for security, compliance and operational stability
  • Design of multi-tenant and coexistence architecture
  • Definition and implementation of complex mail routing and security concepts
  • Planning and managing multi-stage migration runs per bank
  • Technical leadership during the coexistence and transition phase
  • Escalation management between banks, operations, business departments and service providers
  • Ensuring operational capability and stability during migration
  • Support for stabilization and optimization measures after go-live
  • Technologies: Exchange Online, Office 365, Quest Notes Migrator, Quest Coexistence Manager, PowerShell, IronPort
Nov 2019 - Dec 2020
Amsterdam, Netherlands

Project Leader

ING DiBa

Expertise details
Position Summary
Project Leader at ING DiBa
Industries
Banking and Finance
Business Areas
Information Technology
Project Management
  • International infrastructure and migration program to consolidate and migrate an Exchange 2013 environment into global data center structures in preparation for downstream cloud strategies.
  • Total scope:
  • approx. 57,000 end users
  • approx. 2,400 group mailboxes
  • internationally distributed IT, operations and support teams
  • high requirements for availability and operational stability
  • Creation and review of design, migration and operations concepts
  • Planning and management of migration waves
  • Development of migration and planning tools (Excel, VBA, PowerShell)
  • Coordination of support and floorwalker teams
  • Stakeholder and risk management
  • Crisis and decision management during the Corona special situation
  • Ensuring stable operations during and after migration
  • Technologies: Exchange 2013/2016, Windows Server, PowerShell
Apr 2016 - Feb 2018
Frankfurt am Main, Germany

Infrastructure Manager

Commerzbank

Expertise details
Position Summary
Infrastructure Manager at Commerzbank
Industries
Banking and Finance
Business Areas
Information Technology
  • Set up the complete IT infrastructure for the Commerzbank branch in São Paulo
  • Responsible for network, security, high availability and disaster recovery
  • International coordination (Europe, USA, Brazil)
  • Support for regulatory approvals (BACEN)
Jun 2015 - Mar 2016
Munich, Germany

Migration Consultant

Bayerisches Landeskriminalamt

Expertise details
Position Summary
Migration Consultant at Bayerisches Landeskriminalamt
Industries
Government and Administration
Business Areas
Information Technology
  • Migration of approx. 42,000 end users
  • Design and build of highly available Exchange DAG architectures
Jan 1995 - Dec 1997
Frankfurt, Germany

System Consultant Lotus Notes

CompuNet

Expertise details
Position Summary
System Consultant Lotus Notes at CompuNet
Industries
Information Technology
Business Areas
Information Technology
Jan 1990 - Dec 1995
Frankfurt, Germany

Network Engineer

CSC Computer Sciences Coop.

Expertise details
Position Summary
Network Engineer at CSC Computer Sciences Coop.
Industries
Information Technology
Business Areas
Information Technology
Jan 1988 - Dec 1989
Bamberg, Germany

C Programmer

Arztpraxiscomputersystem

Expertise details
Position Summary
C Programmer at Arztpraxiscomputersystem
Industries
Healthcare
Information Technology
Business Areas
Information Technology

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Banking and Finance, Healthcare, and Government and Administration.

Information Technology
Banking and Finance
Healthcare
Government and Administration
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Project Management, and Quality Assurance.

Information Technology
Project Management
Quality Assurance
Profile match chart

Summary

Senior IT program and project manager with over 30 years of experience in leading and technically managing complex IT transformation programs in the banking sector. Solid expertise in large-scale enterprise migrations of legacy systems (Lotus Notes/Domino) to Microsoft cloud architectures (Microsoft 365, Exchange Online, SharePoint Online, Azure).

Many years of experience as a program-level project manager and technical lead in highly regulated environments with strong demands for security, compliance, tenant separation, and governance.

Typical assignments in critical, complex, or at-risk programs where strategic control, technical depth, and international coordination are needed at the same time.

Skills

  • Program & Project Management (Banks)

  • Leading Complex Multi-stream Programs

  • Interim Project Management & Overall Technical Responsibility

  • Escalation, Risk & Stakeholder Management

  • Managing Internal Teams & External Service Providers

  • Microsoft Cloud & Enterprise Migration

  • Microsoft 365, Exchange Online, Sharepoint Online

  • Azure, Azure Ad / Entra Id, Hybrid & Multi-tenant Architectures

  • Large-scale Notes/domino Migrations → Microsoft Cloud

  • Technical Leadership & Architecture

  • Target And Migration Architectures

  • Security, Compliance & Governance Concepts

  • Operational, Handover & Stabilization Phases

  • Regulated Environments

  • Banks & Financial Services (Focus)

  • International Corporate Structures

  • Audit, Security & Compliance Requirements

  • Ai Expertise

  • Certified Ai Manager & Ai Consultant

  • Using Ai For Analysis, Automation & Decision Support

  • Governance-compliant Ai Use In The Banking Sector

  • Critical Banking & Financial Services Programs

  • Large-scale Enterprise & Cloud Migrations

  • Interim Project Management & Senior Technical Lead

  • Escalation, Stabilization & Rescue Projects

Languages

German
Native
English
Advanced

Education

Oct 1984 - Jun 1988

Heidelberg University

Diploma in Medical Informatics · Medical Informatics · Heidelberg, Germany

Oct 1982 - Jun 1984

Vocational Secondary School

General higher education diploma · Würzburg, Germany

Oct 1978 - Jun 1980

Vocational Further Education School

Technical college entrance qualification

...and 2 more

Certifications & licenses

Training: Domino R8 System Administrator & Notes Application Developer R8

AI Consultant Training

AI Manager Training

ITIL Fondation Certificate Of IT Service Management

MCDP: Microsoft Certified Professional Developer 2010

MCITP: Microsoft Enterprise Messaging Administrator For Exchange 2010

MCITP: Microsoft SharePoint Administrator 2010

MCTS: Microsoft SharePoint 2010, Configuring

PCLP (Principal Certified Lotus Professional)

PRINCE2 Foundatiation Certicate

Statistics

Experience

Total positions 8
Experience in Information Technology 10 y
Avg length 2 y 5 m
Longest experience 5 y 11 m

Global Experience

Countries worked in 4 (Germany, Italy, Austria, Netherlands)
Primary country Germany

Expertise

Recent roles Senior Technical Lead, Subproject Manager / Senior Technical Lead, Project Leader
Main industries Information Technology, Banking and Finance, Healthcare
Main business areas Information Technology, Project Management, Quality Assurance

Qualifications

Certifications earned 10

Profile

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Frequently asked questions

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

Where is Roland based?

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

What languages does Roland speak?

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

How many years of experience does Roland have?

Roland has at least 19 years of experience. During this time, Roland has worked in at least 8 different roles and for 8 different companies. The average length of individual experience is 2 years and 4 months. Note that Roland may not have shared all experience and actually has more experience.

What roles would Roland be best suited for?

Based on recent experience, Roland would be well-suited for roles such as: Senior Technical Lead, Subproject Manager / Senior Technical Lead, Project Leader.

What is Roland's latest experience?

Roland's most recent position is Senior Technical Lead at RIS Raiffeisen Informations Systeme.

What companies has Roland worked for in recent years?

In recent years, Roland has worked for RIS Raiffeisen Informations Systeme and ARZ Allgemeines Rechenzentrum.

Which industries is Roland most experienced in?

Roland is most experienced in industries like Information Technology, Banking and Finance, and Healthcare. Roland also has some experience in Government and Administration.

Which business areas is Roland most experienced in?

Roland is most experienced in business areas like Information Technology, Project Management, and Quality Assurance.

Which industries has Roland worked in recently?

Roland has recently worked in industries like Banking and Finance.

Which business areas has Roland worked in recently?

Roland has recently worked in business areas like Information Technology, Project Management, and Quality Assurance.

What is Roland's education?

Roland attended Heidelberg University for Medical Informatics.

Does Roland have any certificates?

Roland has 10 certificates. Among them, these include: Training: Domino R8 System Administrator & Notes Application Developer R8, AI Consultant Training, and AI Manager Training.

What is the availability of Roland?

Roland will be available full-time from June 2026.

What is the rate of Roland?

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

How to hire Roland?

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

Average rates for similar positions

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Market avg: 968-1128 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.