Derek Crull

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• Provide Tier 2/3 support for 20,000+ users, maintaining 99%+ uptime across enterprise systems
• Administer Active Directory environment at scale, reducing onboarding time by 30% through streamlined provisioning
• Supported Microsoft 365 services enterprise-wide, enhancing service reliability and reducing disruptions by 25%
• Troubleshot MFA, VPN, and authentication issues, increasing access success rates by 20%
• Manage lifecycle for 15,000–17,000 endpoints, ensuring full compliance with security standards
• Utilized Intune and SCCM to enforce policies, increasing device compliance visibility by 35%
• Develop PowerShell automation, reducing manual workload by 25%

• Supported IT infrastructure for 2,000+ users, enhancing mission readiness across operations
• Design and deploy secure networks (LAN/WAN, wireless, satellite), improving reliability by 40%
• Built and maintained Active Directory environments across multiple sites, optimizing user access and security
• Implement MDM solutions, increasing device compliance by 30%
• Managed lifecycle for 1,000+ systems, standardizing configurations to improve operational consistency
• Reduce incident resolution time by 35% through advanced troubleshooting
• Lead and mentor 10 personnel, improving team productivity by 20%
• Manage $20M+ in IT assets with 100% audit compliance

• Supported 100+ users, achieving 95%+ first-contact resolution rate
• Deployed and configured 150+ systems, ensuring consistency across endpoints
• Improved system performance, reducing recurring issues by 20%
• Reduced repeat tickets by 15% through root cause analysis

• Delivered IT support for 2,500+ users, maintaining 95%+ SLA compliance
• Managed 25–40 tickets daily, improving resolution times by 20%
• Reduced user disruptions by 25% through effective troubleshooting
• Improved escalation handling efficiency by 15%

• Supported enterprise environment for 15,000+ users and 5,000 devices, ensuring seamless operations
• Deployed Windows 10 to 500+ endpoints, meeting all project deadlines
• Executed hardware refresh for 300+ systems, enhancing overall performance and reliability
• Resolved imaging issues to reduce deployment delays by 20%, improving project timelines
• Maintained 100% asset tracking accuracy