SHAWN MOSLEY
Scotts Valley
Summary
Senior infrastructure administrator with expertise in optimizing enterprise environments for over 1000 users. Delivered a 10% reduction in infrastructure costs through strategic migrations to Microsoft 365 and improved system performance by 30% via virtualization initiatives. Focused on implementing robust security measures, successfully leading zero trust initiatives across global operations.
Overview
22
22
years of professional experience
1
1
Certification
Work History
Senior Systems Engineer / Infrastructure Administrator
NATUS MEDICAL INC.
San Carlos
01.2011 - Current
- Support and maintain enterprise infrastructure operations across multi-site hybrid environments supporting 1,000+ users and 400+ Windows and Linux servers globally
- Administer Windows and Linux server infrastructure including system administration, patching, monitoring, troubleshooting, and operational support
- Manage Active Directory, DNS, DHCP, Group Policy, and enterprise identity services
- Manage hybrid Microsoft 365 / Exchange Online environment including mail flow, security policies, and lifecycle management
- Support Entra ID integration with on-prem Active Directory for hybrid identity operations
- Led implementation of MFA and SAML authentication across global workforce to strengthen enterprise security posture
- Strengthened enterprise security posture with Zero Trust initiatives, MFA, SAML, and identity modernization, ensuring robust protection against threats
- Administer Cisco switching and Palo Alto firewall infrastructure including firewall administration, VPN connectivity, routing, VLAN segmentation, and site-to-site connectivity
- Enhanced monitoring and alerting using SolarWinds, resulting in improved visibility and incident response for system reliability
- Led enterprise data center migration from California to Illinois with minimal business disruption
- Upgraded 100 ESXi hosts and 3 vCenter appliances across 3 data centers during VMware vSphere modernization (6.x → 8.x)
- Migrated 1,000+ users from on-prem Microsoft Exchange to Microsoft 365, reducing infrastructure overhead by ~10%
- Replaced legacy IBM Blade infrastructure with Dell PowerEdge R640 / PowerFlex architecture, improving performance by ~25%
- Improved infrastructure performance by ~30% through modernization and virtualization initiatives
- Increased system availability and reduced downtime through proactive monitoring and a comprehensive infrastructure redesign
- Utilize PowerShell automation to streamline administrative tasks and reduce operational overhead
- Perform rack-and-stack deployments, IDF/MDF installations, structured cabling, fiber connectivity, switch provisioning, and enterprise network support
Independent IT Consultant
SM CONSULTING
Santa Clara
01.2010 - 01.2011
- Designed and implemented infrastructure solutions for small and medium-sized businesses, enhancing AD, virtualization, networking, wireless, security, and storage capabilities
- Delivered comprehensive backup, disaster recovery, endpoint security, and network cabling solutions to strengthen data protection and connectivity
- Enhanced uptime and reliability of client infrastructure, contributing to operational stability across diverse environments
Senior Systems Engineer
HITACHI AMERICA LTD.
Brisbane
01.2004 - 01.2010
- Managed enterprise desktop infrastructure for 2,000+ global systems, ensuring reliable performance and support
- Led global endpoint engineering and desktop infrastructure services
- Deployed VPN and remote access solutions for 3,000+ users, enhancing remote connectivity and security
- Led global Microsoft Office deployment with 99% success rate
- Implemented automated imaging processes reducing deployment time by 50%
- Developed automated deployment and imaging processes
- Administered AD, GPO, WSUS/SCCM, and endpoint security platforms
- Reduced hardware costs by 10% through standardization initiatives
- Provided executive-level technical escalation support, resolving complex issues and maintaining service continuity
Education
B.S. - Information Systems Technology
University of Phoenix
San Jose, CA05-2027
Skills
- Enterprise Infrastructure Operations
- Cloud modernization
- Office 365 solutions
- Security Hardening
- Disaster planning
- Linux Administration
- Containerization
- Windows Server
- VMware
- Hyper-V
- Microsoft Azure
- Proxmox VE
- Active Directory
- Entra ID
- Azure integration
- VMware
- Exchange Online
- Cisco Switching
- Routing
- Palo Alto Firewalls
- VPN
- VLANs
- TCP/IP
- LAN/WAN
- SCCM
- WSUS
- SolarWinds
- Veeam
- Rubrik
- PowerShell
- Intune
- Troubleshooting
- Enterprise Networking
- System redundancy
- VMware
- PowerShell
- Intune
Certification
- MCSE / MCSA (Windows Server)
- MCTS (Windows 7)
- CompTIA A+
- Microsoft Certified Azure Fundamentals
Community Leadership
- Planning Commissioner – City of Scotts Valley
- Community Leadership – Scotts Valley Unified School District
Timeline
Senior Systems Engineer / Infrastructure Administrator
NATUS MEDICAL INC.
01.2011 - Current
Independent IT Consultant
SM CONSULTING
01.2010 - 01.2011
Senior Systems Engineer
HITACHI AMERICA LTD.
01.2004 - 01.2010
B.S. - Information Systems Technology
University of Phoenix