Rallis T.-Senior Project Manager Datacenter, Cloud, Network and Collocation

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Experience
Freelancer Senior Program Manager
LTM Mindtree-Germany
- Managed Microsoft Cloud Accelerator Factory (CAF) programs for global enterprise customers, ensuring Azure cloud implementations aligned with security, governance, and compliance best practices, including ISO 27001-aligned controls and cloud security frameworks.
- Managed complex global enterprise transformation programs with strong focus on project delivery, financial governance, budget control, planning, risk management, and executive reporting, ensuring delivery within scope, timeline, and budget.
- Led the implementation of e-invoicing solutions for Nestlé, coordinating finance, IT, business stakeholders, and external providers to ensure successful integration, testing, rollout, and delivery of electronic invoicing processes.
- Managed an Oracle-to-PostgreSQL database migration, coordinating technical teams, application owners, testing activities, dependencies, risks, and cutover planning to ensure a controlled and successful transition.
- Led cross-functional programs involving finance and payment-related processes, enterprise platforms, and system integrations, with strong stakeholder management across business, IT, vendors, and senior leadership.
- Delivered transformation programs in FMCG environments, including Nestlé, managing complex international stakeholder structures, third-party providers, governance, RAID management, and business-critical dependencies.
Freelancer Senior Program Manager IOT
Miele AG
- Led the global rollout of Wi-Fi IoT interface technology across Miele AG manufacturing plants, delivering the program using PRINCE2 and Agile hybrid methodologies while ensuring robust project governance and risk management.
- Managed cross-functional teams and third-party technology providers, overseeing GDPR Article 32 considerations, third-party obligations, RAID logs, risk registers, and mitigation plans to ensure secure and compliant solution delivery.
- Coordinated engineering, manufacturing, quality assurance, and external vendors, maintaining risk registers, control matrices, compliance dashboards, and executive reporting to support governance, audit readiness, and informed decision-making.
- Utilized RSA Archer to track project risks, controls, compliance activities, and governance reporting, ensuring alignment with enterprise GRC processes and organizational risk management standards.
- Facilitated governance workshops, stakeholder communication, operational readiness, and end-user training to ensure successful adoption of the new IoT platform while supporting compliance with enterprise security and risk management requirements, including DORA third-party governance principles where applicable.
Senior Program Manager Datacenter, Cloud, Network and Collocation
Noris Network AG
- Successfully led IT infrastructure, data center migration, and cloud transformation programs with budgets of up to €10M, integrating security governance, risk management, and compliance practices aligned with BSI IT-Grundschutz, NIST CSF, and NIST SP 800-53 control frameworks.
- Managed project scope, resources, third-party suppliers, and executive stakeholders, ensuring alignment with GDPR Article 32, DORA third-party governance obligations, and enterprise security requirements while delivering 95% of projects on time and within budget.
- Established and maintained risk registers, control matrices, RAID logs, and compliance dashboards, reducing project risks by 40%, supporting audit readiness, and enabling effective governance reporting to C-level management while maintaining 99.9% system availability.
Freelancer- Program Manager Datacenter roll-out
Rakuten Symphony GmbH
- Executed critical infrastructure tests in Rakuten Cloud, achieving a 20% improvement in system performance and ensuring 99.9% uptime reliability during high-demand scenarios.
- Developed and implemented security strategies for hybrid cloud environments.
- Facilitated stakeholder meetings, resolving 90% of issues within the first 48 hours by leveraging Jira for real-time tracking and prioritization.
- Managed the successful rollout of CDC1 and CDC2, delivering the projects two weeks ahead of schedule, improving operational efficiency by 15%.
Freelancer- Senior Program Manager Professional Services
Palo Alto Networks
- Oversaw full delivery cycles, successfully managing deployment resources to ensure 100% on-time delivery, while keeping all projects 10% under budget.
- Implemented advanced solutions using SD WAN, Prisma Cloud, Strata Next Generation Firewall, and Cortex, improving network security and operational efficiency by 15%.
- Managed 20 concurrent projects for international enterprise customers, achieving a 95% client satisfaction rate and consistently delivering high-quality results across all engagements.
Freelancer- Senior Program Manager for Cloud Migration
TechMahindra
- Managed end-to-end activities within the Deutsche Telekom cloud domain, successfully creating project plans and securing resources, resulting in the on-time delivery of 100% of cloud initiatives.
- Implemented Zero-Trust strategies and ensured stable operations.
- Leveraged AWS, Azure, Google Cloud, and SAP S/4HANA technologies to deliver successful project outcomes, achieving a 15% increase in operational efficiency across cloud services.
Infrastructure Senior Program and Project Manager Professional Services
Rackspace
- Assisted companies in transitioning to cloud services, successfully migrating 100% of workloads to Amazon AWS, Microsoft Azure, and Google Cloud, resulting in 20% cost savings and enhanced scalability.
- Collaborated with clients including Nestlé, Hapag-Lloyd, and BMG, developing tailored cloud migration strategies that led to a 25% reduction in deployment time and ensured seamless implementations with zero downtime.
IT Manager
SupplyOn
- Developed and integrated SAP and Ariba interfaces with the SupplyOn application, enhancing data exchange efficiency by 30% and streamlining invoicing processes.
- Utilized Agile Project Management methodologies in accordance with the SAFe framework, successfully delivering IT projects 20% faster than traditional methods, while maintaining high-quality standards.
- Rolled out a secure e-invoicing solution, including SAP and Ariba integration.
Account Manager in the Telecommunication area
Easynet
- Drove business growth, achieving a 15% increase in market penetration by establishing new business opportunities in key sectors.
- Developed and implemented tailored sales strategies, resulting in a 20% boost in revenue from both existing and prospective customers by effectively identifying and leveraging untapped sales potential.
Project Manager for WAN and LAN projects
BCC Communication
- Led a virtual team of 6, managing an annual budget of €900,000, and successfully driving employee development and validation, resulting in the on-time completion of international WAN projects with a 10% cost saving.
- Established the first data center for “World of Tanks” in Munich in collaboration with Equinix, contributing to a global infrastructure spanning 6 key locations (Amsterdam, New York, San Francisco, Singapore, Shanghai, and Seoul), improving global service reliability by 15%.
IT Project Manager Retail and trade
Aldi Süd
- Established the first datacenter and ERP in Greece, achieving 100% compliance with local regulations and facilitating seamless operations for regional clients.
- Parametrized SAP systems to align with Greek trading laws, resulting in a 25% improvement in operational efficiency and significantly reducing compliance-related errors.
- Launched the first pick-by-voice intralogistics project in the Balkan region, leading to a 30% increase in warehouse productivity and enhancing order accuracy by 15% through improved picking processes.
Team Lead ERP and Database Department
Vodafone Papistas
- Provided disciplinary leadership for a team of 2, managing an annual budget of €400,000, conducting job interviews, and selecting suitable candidates.
- Oversaw annual validation and development of employees to enhance team performance.
- Introduced a new SAP P.O.S. system and supported the IT infrastructure for Vodafone shops, including Microsoft Navision ERP configuration.
IT Manager in Retail
Nikko Market
- Led the introduction of a new SAP P.O.S. system across 60 shops, including a new design for the shop P.O.S. to enhance customer experience and operational efficiency.
- Implemented new Warehouse Management System (WMS) software to optimize inventory management and streamline warehouse operations.
- Managed the transition from old city-based offices to a new building, ensuring a smooth relocation process for the team.
Head of IT Project Manager team in the DMS Department
Metropolis Informatics
- Led projects focused on mass data acquisition and electronic archiving in the SAP Financial Banking area, utilizing technologies such as OCR and DMS SAP.
- Managed Oracle database design version 8,9,10,11, installation, and operation for customers, ensuring optimal performance and reliability.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Banking and Finance, Telecommunication, Retail, Food and Beverage, and Manufacturing.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Project Management, Operations, Supply Chain Management, Logistics, and Finance.
Summary
I am a freelance IT project manager with experience in international infrastructure and cloud transformations. My strengths lie in structuring complex initiatives, bringing technical teams and stakeholders together, and reliably managing projects through to implementation. I am looking for challenging projects involving cloud migration, modern workplace, data centers, and IT infrastructure – especially where clear leadership and a good understanding of dependencies are required.
Skills
Team Leadership
Presentation
Decisiveness
Strategic Thinking
Communication
Infrastructure
Electromobility
Fitness
Garden Design
Philanthropy
Languages
Education
Fachhochschule Ulm
Dipl Ing, Computer Science · Computer Science · Ulm, Germany
Fachhochschule Ulm
Automotive engineering · Ulm, Germany
Certifications & licenses
PMI Re-earned
Safe Agile Framework Basics
Datacenter and Networking
Cisco Sales Manager
PMI
Microsoft Office Train the Trainer
MS SQL Certification
Oracle DBA
SAP ERP Financial Modules
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Rallis is based in Poing, Germany.
Rallis speaks the following languages: German (Native), Greek (Native), English (Advanced), Spanish (Elementary).
Rallis has at least 25 years of experience. During this time, Rallis has worked in at least 14 different roles and for 14 different companies. The average length of individual experience is 2 years and 9 months. Note that Rallis may not have shared all experience and actually has more experience.
Based on recent experience, Rallis would be well-suited for roles such as: Freelancer Senior Program Manager, Freelancer Senior Program Manager IOT, Senior Program Manager Datacenter, Cloud, Network and Collocation.
Rallis's most recent position is Freelancer Senior Program Manager at LTM Mindtree-Germany.
In recent years, Rallis has worked for LTM Mindtree-Germany, Miele AG, Noris Network AG, Rakuten Symphony GmbH, and Palo Alto Networks.
Rallis is most experienced in industries like Information Technology, Banking and Finance, and Telecommunication. Rallis also has some experience in Retail, Manufacturing, and Food and Beverage.
Rallis is most experienced in business areas like Information Technology, Project Management, and Operations. Rallis also has some experience in Supply Chain Management, Logistics, and Finance.
Rallis has recently worked in industries like Information Technology, Telecommunication, and Manufacturing.
Rallis has recently worked in business areas like Information Technology, Project Management, and Finance.
Rallis holds a Master in Computer Science from Fachhochschule Ulm.
Rallis has 16 certificates. Among them, these include: PMI Re-earned, Azure Fundamentals, and AWS Cloud Practitioner.
Rallis is immediately available full-time for suitable projects.
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Calculated based on our freelancers’ daily rates as of 27 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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