Waseem Sattar-Enterprise Solution Architect | Certified Enterprise Architect (TOGAF)
Check rate
Experience
Lead Solution Architect – FRMCS & Digital Transformation in the Railway Sector
Freelance Enterprise & Solution Architect
Responsible for the architecture and strategic direction of the Future Railway Mobile Communication System (FRMCS) in an international railway environment. Leading architecture activities, requirements management, stakeholder alignment, and standardization bodies.
Key Contributions
- Defined the end-to-end system architecture for FRMCS across transport, core, service, and operations domains.
- Created target architectures, architecture roadmaps, and operating models.
- Ran architecture workshops and technical governance with international stakeholders.
- Produced architecture diagrams, integration concepts, requirement documents, and technical roadmaps.
- Designed an event-driven OSS architecture for future operations processes.
- Advised on topics such as QoS, security architecture, API integration, cloud-native deployment, and interoperability.
Solution Architect – 5G Security & Future Networks
Freelance Enterprise & Solution Architect
Consulting and architecture support for new 5G security requirements, API ecosystems, Open Gateway initiatives, and future network technologies
Enterprise Solution Architect – Private 5G Platform
NTT DATA Deutschland
Responsible for the architecture, integration, testing, commissioning, and handover to operations of a fully containerized private 5G platform. Technical main contact for customers and project teams.
Key Contributions
- End-to-end responsibility for the project lifecycle from architecture to production operations.
- Developed a scalable Kubernetes-based cloud-native architecture.
- Coordinated technology partners, infrastructure vendors, and customer representatives.
- Led installation, integration, testing, and acceptance activities.
- Defined network, routing, VLAN, and deployment architectures.
Technical Lead – Test Automation & DevOps
NTT DATA Deutschland
- Developed solution approaches and technical offers for customers.
- Ran requirements workshops and architecture presentations.
- Integrated automated tests into Jenkins-based CI/CD pipelines.
- Supported customers through technical acceptance and go-live
Senior Consultant / Enterprise Solution Architect
Sopra Steria Consulting
Led several transformation programs for international telecommunications companies with a focus on OSS modernization, SDN rollout, data migration, cloud transformation, and integration architectures
Key Contributions
- Developed target architectures and strategic architecture roadmaps.
- Created high-level and low-level designs for business-critical systems.
- Planned and managed complex data migration and integration programs.
- Defined strategies for SDN, NFV, and cloud transformations.
- Performed impact analyses, architecture reviews, and stakeholder management.
- Designed data anonymization, encryption, and secure data exchange methods.
System Engineer / Technical Lead
Tieto Deutschland GmbH
Responsible for OSS, fulfillment, provisioning, integration, and test automation solutions for international telecommunications providers
Key contributions
- Technical subject matter expert for OSS fulfillment and operational support solutions.
- Customer-facing work in installation, integration, and troubleshooting on site.
- Responsibility for test planning, commissioning, and production support.
- Development and integration of adapters and middleware components.
- Execution of system tests, acceptance tests, and root cause analysis
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Telecommunication, Transportation, and Information Technology.
Business Area Experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Project Management, Strategy, Quality Assurance, and Operations.
Summary
TOGAF-certified Enterprise Architect with more than 17 years of international experience in designing, transforming, and delivering complex enterprise solutions in the areas of telecommunications, cloud-native platforms, operations support systems (OSS), and data-driven architectures. Proven success in bridging business and IT and in leading complex programs from requirements gathering to production operations
Extensive experience in architecting distributed systems, event-driven platforms, microservice architectures, cloud migrations, data integrations, and mission-critical operations platforms. Long-standing work in client-facing consulting roles with a focus on stakeholder management, technology roadmaps, architecture governance, and technical leadership
Skills
Enterprise & Solution Architecture (Togaf)
Data Architecture & Data Integration
Event-Driven Architecture
Microservices & Domain Driven Design (Ddd)
Cloud-Native & Hybrid Cloud Solutions
Requirements Engineering
Api And System Integration
Devops & Ci/Cd
Data Migration & Data Governance
Linux/Unix Platforms
Technical Leadership & Coaching
Digital Transformation
Architecture
Togaf Enterprise Architecture
Solution Architecture
Data Architecture
Integration Architecture
Cloud Architecture
Domain Driven Design (Ddd)
Distributed Systems
Microservices
Event-Driven Architecture
Api-First Design
High Availability
Scalable Platforms
Enterprise Integration
Cloud & Devops
Kubernetes
Docker
Jenkins
Git
Ci/Cd Pipelines
Devops
Infrastructure Automation
Data & Integration
Data Architecture
Data Migration
Data Integration
Data Governance
Data Validation
Data Anonymization
Data Management
Technologies
Oss/Bss
Sdn
Nfv
5g
Frmcs
Ims
Rest
Openapi
Wso2 Api Manager
Oracle
Mysql
Operating Systems
Linux
Red Hat Enterprise Linux
Ubuntu
Centos
Unix Administration
Shell Scripting
Languages
Education
Master of Computer Science · Computer Science
Master of Information and Communication Engineering · Information and Communication Engineering
Certifications & licenses
TOGAF Certified Enterprise Architect
Statistics
Experience
Global Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
Similar Freelancers
Discover other experts with similar qualifications and experience
Lothar Hinsche
Paul Webster
Bernhard Döpper
Tezcan Dilshener
Michael Kunz
Kenan Šabić
Martin Hermann
Jens Rehsack
Frank Joraschkewitz
Frédéric Klein
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Lead Solution Architect – FRMCS & Digital Transformation in the Railway Sector
Michael Kunz
Matthias Scharf
Paul Webster
Peter Fleischer
Frank Joraschkewitz
Martin Hermann
Khalid El Mansouri
Lothar Hinsche
Jens Rehsack
Olaf Kiese
Nearby freelancers
Professionals working in or nearby Frankfurt, Germany
Umut Gülac
Carolyn Shwash
Mustafa Kederoglu
Joachim Auster
Beate Peters
Sebastian Zwiesler
Mobin Rupani
Silvia Forstner
Vadim Romanenko
Gregor Pestsov
Most recent projects
FRATCH works with many companies and recruitment agencies. Here you will find our recently posted projects and opportunities.
