Walter

Walter de Graaf

10+ years experience • Azure Certified

I solve IT Infrastructure problems for companies worldwide🌎

I help global businesses simplify and secure their IT environments. From Active Directory and Azure to Networking and Windows Servers, I deliver solutions that save time, reduce costs, and improve security.

Trusted by companies in Maritime, Financial Services, Staffing, and HR industries

Active Directory & Entra ID

Streamline user management and global migrations with minimal friction.

Azure Cloud Solutions

Automate processes, Entra ID, and secure cloud deployments.

Networking & Site Rollouts

Standardize infrastructure, Wi-Fi, and network deployments across locations.

Windows Server Management & Security

Ensure your servers run smoothly while keeping data safe with reliable security measures.

Recent Work

Highlights of IT projects I’ve led across the globe, showcasing infrastructure, migration, and automation expertise.

IT Infra for New Factory
🇨🇳

Oversaw IT infrastructure strategy and implementation for a new factory in China, coordinating with local partners on network design, cabling, Wi-Fi, and setup of the MER, SER, and server facilities, fully integrated with the global IT infrastructure.

M&A IT Integration
🇩🇪

Led the post-merger IT integration of two organizations across multiple EU sites—unifying domains, consolidating infrastructure, and aligning identity management under a single Azure AD tenant.

Emergency Windows Server Recovery
🇦🇪

Recovered and migrated a critical Windows server in Dubai after an unexpected outage, planning the recovery in 2 days, flying onsite, and ensuring full data integrity on the new server.

Intune Optimization
🇳🇱

Enhanced device management and security by optimizing Intune policies, improving compliance and productivity for the client.

User Onboarding Automation
🇳🇱

Built onboarding and offboarding automation workflows, streamlining HR and IT operations and reducing manual errors.

VMware → Hyper-V Migration
🇺🇸

Oversaw the migration of virtual machines from VMware to Hyper-V in Dallas, coordinating with local IT staff to ensure a smooth transition, minimal downtime, and full post-migration validation.

Enterprise AppLocker Implementation
🇦🇺

Implemented Microsoft AppLocker for a company in Australia, enforcing application control policies to improve endpoint security and reduce unauthorized software incidents.

Backup Optimization
🇳🇱

Implemented a strategic backup solution that saved the company $30,000 annually while ensuring data security and regulatory compliance.

Datacenter Set-Up
🇦🇺

Managed the setup of a server rack in Sydney, Australia for a maritime industry client, ensuring full integration with the global IT infrastructure.

How I Work

I believe in a pragmatic approach: identify the problem, implement the solution, and get results—no endless meetings or theoretical discussions. My focus is on delivering actionable outcomes that make an immediate impact on your business.

1
Identify the Problem
2
Implement the Solution
3
Deliver Results

About Me

I'm Walter de Graaf, a Senior System Engineer with 10 years of experience specializing in Active Directory, Azure, Security, and Networking. Azure Administrator certified (AZ-104), I provide actionable, trustworthy solutions that improve efficiency and reduce operational risks across Maritime, Financial Services, Staffing, and HR sectors.

Contact Me