Joerg S.-Interim CTO/Enterprise Architect
Check rate
Experience
Various short-term CTO, Enterprise Architecture Advisory for companies
various
Support for Transformation Projects:
- Expert CTO advisory and enterprise architecture consulting for several short-term transformation projects, ensuring measurable improvements in project outcomes and technical business alignment.
- Supporting strategic IT initiatives for diverse clients, driving digital transformation and optimizing technology operations to increase business value and operational efficiency.
Chief Architect E2E Solution and Operation
Insight Enterprise Inc.
Building a new Green DC for a cloud service provider (startup) in Souverain, with the goal of achieving C5 certification and DevOps operations.
- Collaborating with C-Level, Account Management, Sales and Engagement Management to advise on and close identified gaps
Ensuring E2E architecture alignment between:
- Application development partners (Portal, SystemAPI, FusionAI)
- OpenStack Cloud deployment partner
- IP provider
- Various infrastructure partners
- SaaS providers
- DC building company
- Facility management
Building Government Operations:
- Definition of operational tools
- Implementation of services according to ITIL 4
- Responsible for developing the Operation Manual, Emergency Manual and Operation Runbook, as well as integrating them into business processes.
- Aligning integration with business strategy, business risk management, customer service, DC management and facility management for certifications.
- ISO22301 Business Continuity Management
- DSGVO (DSGVO)
- ISO27001 Security
- ISO9001 Service Quality
- BSI C5 for NIS2 and KRITIS
- DORA for the financial sector
- PCI-DSS for the payment card industry
- ISO50600 for DC certification
The DC solution serves as a prototype for several subsequent DCs.
Key achievements:
- Define service strategy & E2E enterprise architecture
- Define the organizational structure for operations, including governance and role descriptions
- Develop DevOps services based on the SAFe framework and DevOps integration with operations.
- Define and review E2E operational processes and procedures.
Various short-term CTO, Enterprise Architecture Advisory for companies
- Expert CTO advisory and enterprise architecture consulting for several short-term transformation projects, ensuring measurable improvements in project outcomes and business alignment.
- Supporting strategic IT initiatives for diverse clients, driving digital transformation and optimizing technology processes to increase business value and operational efficiency.
Enterprise Architect
CAP Gemini
- Solution review with the Account and Engagement Team – “Back to Green”
- Solution analysis
- Identification of gaps and risks
- Review of transition solution
- Managing the RFP response for the transition from the existing provider.
Senior Enterprise Deal Architect
T-Systems
Expert in complex IT transformations, working in business development, formal procurement and advisory activities in the German and international markets. Developing strategies and solutions for customers, focusing on real business value and analysis across all enterprise areas, including business, applications, technology, organization, people and governance.
- Providing pre-sales support for accounts and sales
- Multi-hybrid-cloud solution taking into account "Kritis" (critical national infrastructure – Germany) – based on OpenStack, hyperscalers and microservices
- CI/CD and access automation – (DevSecOps solution)
- Observability and AI analysis for E2E services
- ITSM integration with observability
- Improving the end-user experience
- Network slicing and security
- Data mesh for multi-cloud systems
- Definition of the organizational structure for the DevOps way of working
- E2E cloud architecture for a military organization within Nato
Key achievements:
- Definition of the high-level enterprise architecture for a large energy supply company on its path toward digitalization and the DevOps way of working.
- Definition of an E2E cloud architecture for a military organization within Nato.
Various short-term CTO, Enterprise Architecture Advisory for companies
various
Solution Director Western Europe Service Marketing
Huawei Technologies
- Responsible for OSS/BSS market solutions based on market analysis.
- Customer communication and presentations at CxO and board level
- Service product development & strategy – own services and partners
- Market analysis and planning of professional services for IT outsourcing.
- Competitor analysis and reporting on professional services for ICT outsourcing.
- Customer insight studies and marketing events Enterprise architecture for telecommunications companies.
- Create service canvas overviews.
- Support customers, local and regional service organizations, sales of ICT outsourcing, as well as operations automation and integration.
- Support business units for service and software development as well as sales.
- Support global and WEU headquarters at software and service marketing events.
- Leadership and management of large and strategic engagements
- Lead overall solution strategy and architecture for large engagements
- 5G solution architecture based on cloud.
- Align business objectives and technology architecture.
- Focus on cloud, AI, core network, NFV, IoT, ICT automation, transformation/consolidation, as well as ICT/Telco E2E services and strategy.
Key achievements:
Solution lead for strategic deals over 100 Mio. as Technical Director
- Transformation of the data centers of a large telecommunications provider after a merger (Italy) – Won
- 5G network function, virtualization and E2E management – Selection and best technical solution.
- Large Italian insurance company (Italy) E2E solution – Several modules won
- …
Solution Executive
Hewlett Packard
- Leadership and management of large and strategic outsourcing engagements
- Overall solution strategy
- Align business objectives and technology architecture
- Competitor analysis
- Customer communication and presentations at CxO and board level.
- Product strategy & development
- Development of a long-term IT strategy
- Analyze and redesign the customer’s IT and business architecture.
- Cloud transformation and integration
- Development of the “business case” and risk assessment & contract negotiations
- Management of technical organizations as part of an outsourcing business.
Key achievements:
Solution Executive for several large and strategic engagements over 100 Mio.
- Automotive Global storage >500 PByte - Won
- Banking Global Workplace – Won
- Modernization of the telecommunications industry – Selected
- Manufacturing industry – Selected
Solution Manager
IBM
- Leadership of large and strategic outsourcing projects
- DD management
- Technical solution strategy
- Competitor analysis, cost analysis, business risk analysis.
- Customer sales presentation at board level
- Development of standard solutions including cloud technology
- Analyze and redesign the customers’ IT environments.
- Cost analysis and business risk analyses
- Management of organizations in the bid for outsourcing businesses.
- Certified as IBM Certified Solution Executive
Key achievements:
Leadership of large and strategic engagements as Technical Solution Manager, including projects over 100 Mio.
- Financial services – Won
- High-end workplace in the construction industry – Won
- Automotive – Selected
- Agriculture Global – Won
- …
Solution Manager Central Europe
Computer Science Corporation
- Overall solution architecture and design within outsourcing opportunities.
- Bid management
- Management of sales support
- DD management & acquisition analysis
- Budget planning
- Competitor analysis
- Customer presentations at board level
- Development of standard solutions
- Analysis of customer IT environments
- Cost analysis and business risk analysis.
- Management of all infrastructure organizations as part of the outsourcing business.
Key achievements:
Leadership of large outsourcing projects, including program management > 100 Mio
- Financial services – Won
- Manufacturing industry – Won
- Service industry – Won
- …
Storage Engineering Manager
Computer Science Corporation
- Management for Central, Southern and Western Europe (including the Middle East and Africa) as well as global customers.
- Responsible for 3rd- and 2nd-level support
- Support for SAN, backup and data management solutions
- Storage architecture and design
- Disaster recovery management
- Responsible for storage strategy, architecture and service for several global and EMEA customers (e.g., Motorola/EMEA, DuPont EMEA, Bombardier/Global, Deutsche Leasing/Global, Textron/EMEA, ...)
- Transition of the BT Global Operation Center to the CSC organization
- Project manager for transformation and server consolidation projects.
- Development of innovative solutions for global customers.
Key achievements:
- Restructuring of the EMEA Storage organization across distributed locations in EMEA and India
- Standardization and optimization of EMEA storage solutions
Manager Global Operation Center
Bombardier Transportation
- Responsible for globally centralized and centrally managed systems, application development and management (global application and data center management)
- Global personnel management (75 permanent employees + 65 contractors)
- Management of the organization for architecture, SAP, PDM (Metaphase), Lotus Notes, Enterprise Application Integration (EAI), web services, network services and several legacy applications.
- Management of the global BT data centers (Montreal-Canada, Vesteras-Sweden and Mannheim-Germany)
- Budget responsibility
- Service and application strategy
- Management of the Global SAP project
- Due diligence manager in the IT service outsourcing project
- Planning, design and program management of the transformation for Bombardier Transportation
- Transferred to CSC as part of an outsourcing project
Key achievements:
- Global application and data center consolidation
- Transformation planning for outsourcing
Head of Managed Services
Sun Microsystems Central Europe
- Responsibility for business development and unit marketing
- Establishment and management of the “Managed Service” organization, including presales
- Management of globally distributed employees
- Contract negotiation and customer management
- Development of customer IT and service strategy
- Strategy and future of the business unit
- Budget planning and cost control
- Service-level agreements
- Internet / intranet support & security
- Escalation management
- Quality and process management
- Management of specialists in the Sun SAP competence centers.
Key achievements:
- Establishment and management of the new “Managed Services” business unit
- Definition of the unit structure and strategy
- Integration into existing service organizations
- Definition of the organizational structure and processes (service, sales support, operations)
Program manager IT Infrastructure International at Sun Microsystems (Europe, Middle East, Africa, Asia and Pacific Rim)
Sun Microsystems
- Program management
- Forecast and budget responsibility for international IT infrastructure.
- Standardization of IT infrastructure (servers, data, network, voice...) w
- Internet / Intranet Concept & Design
- IT infrastructure strategy
- International project management (data centers, office infrastructure, IP/voice network)
- Project control & reporting
- Head of international projects worth over 100 million dollars
- Multi-project management
- Employee and partner management
Key achievements:
- Establishment of three major international data centers (Amersfoort (NL), Singapore and Tokyo)
- Establishment of development laboratories (Bangalore – India, Herzelia – Israel)
- Establishment of international locations
Information Resources Engineer
Sun Microsystems
- System administration (Unix, network, application)
- Backup for the Head of Internal IT Central Europe.
- Worldwide standardization of servers and support.
- Web development and operations.
- System and network strategy
Key achievements:
- Restructuring and management of IT support at Sun Switzerland.
- Development and operation of a global software distribution system
- Standardization of the Swiss IT infrastructure
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Banking and Finance, Telecommunication, Manufacturing, Automotive, and Insurance.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Strategy, Product Development, Sales, Project Management, and Marketing.
Summary
With over 25 years of experience in IT and communication technology, including CTO, Chief Enterprise Architect, Solution Manager and Technical Director Core Network, I worked as a technology leader with extensive experience in short-term CTO and enterprise architecture advisory roles. I also specialize in driving transformation projects and aligning IT strategies with business goals. Proven expertise in leading strategic IT initiatives for diverse clients, optimizing technology operations and supporting digital transformation to achieve measurable business value.
Most recently, I worked as Chief Architect E2E Solution and Operation, responsible for building a new Green Data Center for a sovereign cloud service provider with a focus on C5 certification and DevOps operations, while working closely with executive management and cross-functional teams to ensure complete architectural alignment.
Skills
- It Management
- Enterprise Architecture Strategy
- Solution Design & Management
- Cloud Infrastructure (Green Data Center, Sovereign Cloud)
- Devops Implementation And Operations
- Telecommunications Architecture And Design
- Cto Advisory For Digital Transformation And Iot
- Excellent Stakeholder Management And Communication Skills
- Gap Analysis And Solution Design
- Multi-Tower Project Leadership For Large-Scale It Initiatives And Transformation
- Implementation Of Kritis And Nis 2 For Operations In Souverain
- Extensive Experience In Enterprise Architecture, Solution Architecture And It Transformation
- Deep Understanding Of It Service Management Processes (Itil)
- Experience With Large Enterprise Environments And Complex Application Landscapes
- Ability To Understand Technical Dependencies Across Multiple Systems
- Experience Supporting Service Transition, Operational Readiness And Platform Transformation
- Strong Analytical And Problem-Solving Skills
- Excellent Stakeholder Management And Communication Skills
- Hands-On Mentality Combined With Strategic Thinking
Languages
Education
Bachelor's degree · Computer Science
Degree in Business Administration · Business Administration
Certifications & licenses
IBM Certified Solution Executive
Statistics
Experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Joerg is based in Berlin, Germany and can operate in on-site, hybrid, and remote work models.
Joerg speaks the following languages: German (Native), English (Advanced).
Joerg has at least 33 years of experience. During this time, Joerg has worked in at least 13 different roles and for 11 different companies. The average length of individual experience is 2 years and 3 months. Note that Joerg may not have shared all experience and actually has more experience.
Based on recent experience, Joerg would be well-suited for roles such as: Various short-term CTO, Enterprise Architecture Advisory for companies, Chief Architect E2E Solution and Operation, Enterprise Architect.
Joerg's most recent position is Various short-term CTO, Enterprise Architecture Advisory for companies at various.
In recent years, Joerg has worked for various, Insight Enterprise Inc., CAP Gemini, T-Systems, and Huawei Technologies.
Joerg is most experienced in industries like Information Technology, Banking and Finance, and Telecommunication. Joerg also has some experience in Manufacturing, Automotive, and Insurance.
Joerg is most experienced in business areas like Information Technology, Strategy, and Product Development. Joerg also has some experience in Project Management, Sales, and Marketing.
Joerg has recently worked in industries like Information Technology, Banking and Finance, and Insurance.
Joerg has recently worked in business areas like Information Technology, Strategy, and Sales.
Joerg holds a Bachelor in Computer Science.
Joerg has 1 certificate: IBM Certified Solution Executive.
Joerg is immediately available full-time for suitable projects.
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Calculated based on our freelancers’ daily rates as of 22 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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