2025 - Present: Designed and led the architecture

Role: Freelance Solutions Architect (UN Project)

Customer: Norconsulting Global, Remote

Tasks:

Designed and led the architecture for a Secure Communication Platform supporting confidential collaboration within a United Nations-affiliated environment. Worked with international stakeholders to deliver a cloud-native, secure communication system ensuring end-to-end data protection and compliance with global regulations.

• Defined the system architecture for encrypted messaging and secure file transfer components using modern encryption standards.
• Implemented zero-trust security principles and robust authentication mechanisms for sensitive data exchange.
• Ensured alignment with GDPR and UN-specific security and compliance framework.
• Produced high-level and detailed architecture documentation, supporting transparency and stakeholder coordination across teams.

2022 - 2025: Designed Secure Cloud-to-Vehicle Integration

Role: Senior Solution Architect

Customer: CARIAD (Volkswagen Group), Germany

Tasks:

Led architecture for secure, large-scale software delivery within the in-vehicle software platform, working across multiple agile teams to integrate cloud services into embedded environments. Focused on aligning cross-functional teams around CI/CD best practices, secure communication interfaces, and hybrid deployment strategies. Collaborated closely with development, operations, and security stakeholders to define technical interfaces, reduce complexity, and support end-to-end delivery.

• Designed Secure Cloud-to-Vehicle Integration: Acted as the lead architect for the cloud-to-car interface, enabling secure and reliable data exchange between in-vehicle systems and cloud backends. This accelerated release cycles and improved traceability across the software supply chain.
• Integrated CI/CD and DevSecOps Practices: Supported the adoption of CI/CD workflows across teams, focusing on secure build pipelines and compliance alignment. Worked with DevOps and security leads to ensure risk mitigation and vulnerability management.
• Cross-Team Leadership: Partnered with a wide range of engineering, product, and operations teams to maintain architectural consistency and drive fast, secure delivery of connected vehicle services.

2018 - 2022: Designed the architecture

Role: IoT Solution Architect

Customer: Siemens Mobility, Germany

Tasks:

Designed the architecture for IoT connectivity solutions starting right from the sales and bidding process. Integrated IoT communication protocols including MQTT (lightweight publish-subscribe messaging) and OPC-UA (industrial interoperability standard) into Siemens products to enable secure, real-time data exchange between devices and cloud platforms. Defined and documented solutions architecture aiming to comply with customer or project specification. Analyzed the existing software and network architecture and worked on customer-specific improvements and adjustments. Worked cross teams to integrate different solutions and avoid rework. Participated in solution development by providing ideas and feedback to Product Management and R&D.

• Delivered IoT solutions, including edge devices and SaaS products in 11 countries and supported the bidding team to win 3 contracts in my first year.
• Became a technical reference in IoT and Cloud domains as well as my vital role in the Mobility IoT Implementation Team to provide technical guidance, best practice and knowledge transfer to different BU.
• Designed and implemented core cloud components on AWS, including EC2, S3, Lambda, API Gateway, and Cognito, to enable secure, scalable, and event-driven IoT platforms tailored to diverse international deployment scenarios.

2013 - 2018: Delivered on a critical and complex involving the orchestration of a migration of 50+ servers

Role: Solution Architect / Infrastructure Specialist

Customer: IBM, Germany and Egypt

Tasks:

• Client: Bombardier Transportation, Germany. Implemented IBM Rational Collaborative Lifecycle Management solutions and IBM Internet of Things (IoT) continuous engineering solutions for the transportation company. Evaluated and selected the most appropriate technologies, tools and techniques for accomplishing this and providing business cases for the procurement and use of these tool-sets. Architected the lifecycle solutions for the organization which extended the role beyond simply deploying the technologies to determine how these solutions should be designed for maximum impact. Delivered an extensive set of infrastructure services including installing, integrating and customizing Rational Team Concert, Rational Quality Manager, Rational DOORS Next Generation, MS-SQL, Oracle, WebSphere, Jazz Reporting Services, and others.
• Client: Mobily, Saudi Arabia. Unix systems administration for 1000+ nodes, Deployed and managed AIX solutions in support of WebSphere and Oracle platforms and applications. Maintained the Virtual I/O Server (VIO) environment, provisioned physical and shared disks to Logical Partitions (LPARs), and provisioning virtual adapters for client LPARs, provided high availability of the environment by managing configurations that facilitate partition mobility.

Key Achievements:

• Delivered on a critical and complex involving the orchestration of a migration of 50+ servers from a legacy data center to a new data center. This performance was recognized by the client and resulted in the extension of IBM's support contract with the customer for five additional years.
• Built a solid reputation and respect with the client who requested that I join their team on-site (prior support had been offsite). Was elevated from IT Infrastructure Specialist to IT Architect on this account.
• Automated repetitive tasks (Users creation, Users removal, and Passwords reset) using IBM Bluemix Cloud, which saved my team two months FTE.
• Automated JAZZ deployments using IBM UrbanCode Deploy, which saved my team 36 days FTE.
• Recognized in the IBMer Appreciation program for demonstrating the practice: Share Expertise.
• SEA Award Winner 2014 Q4, Services Excellence Awards (SEA), which is one of IBM's highest honors and a significant career achievement. The award recognizes those who make outstanding contributions to sales and to driving business results.
• Achieved Bronze Level of the IBM Innovation Zone Cybersecurity War Games 2014.

2006 - 2012: Maintained the data networks and the data center network infrastructure

Role: Senior Network & Security Engineer / Linux System Administrator

Customer: PharmaOverseas, Egypt

Tasks:

Maintained the data networks and the data center network infrastructure for this drug distribution company. These networks consisted of primarily Cisco networking products and technologies. Managed the setup and configuration of Cisco unified communications solutions including Call Manager, Unity, Call Manager Express, Cisco LAN switches, routers, and voice gateways. Executed capacity planning analyses using network performance trending data (utilization, availability, etc.) captured during ongoing network monitoring (using Solarwinds products). Accountable for software upgrades on Cisco devices and the implementation of Riverbed appliances used for network optimization. As Linux Systems administrator, was responsible for installing and configuring Linux on servers. This included both Red Hat and Debian versions of Linux.

• Earned the authority to select, contract, and manage third party vendors to meet the client?s needs.
• Delivered cost savings for the client by building solid services on open source solutions.
• Elevated to lead the network team by demonstrating leadership and a firm command of the technical skills needed for the role.
• Mastered many technologies and tools in the role as Linux Systems Administrator including Squid Proxy, Samba, Multi Router Traffic Grapher, Sendmail, Argus, CUPS, IPTables Firewall, and Puppet.

2005 - 2006: Provided support and planning for network administration, computer builds, product testing

Role: Windows Systems Administrator

Customer: Misr Chemicals Industries, Egypt

Tasks:

Provided support and planning for network administration, computer builds, product testing and end user support and training.

• Implemented and maintained PC software systems and Microsoft products.
• Ensured the integrity of PC hardware through regular inspections and maintenance processes.
• Installed network appliances including printers and routers.