Larry Irwin
Parker
Summary
Windows Systems Administrator with extensive experience exceeding 20 years in optimizing enterprise systems. Proficient in Active Directory, PowerShell scripting, and Windows Server Management, enhancing both performance and security. Committed to achieving operational excellence through automation and effective problem resolution in diverse IT environments.
Overview
2026
2026
years of professional experience
1
1
Certification
Work History
Windows Systems Administrator
Starz Entertainment
Greenwood Village
07.2012 - 09.2025
- Supported over 300 Windows servers in VMware, ensuring efficient operation for 2,000+ endpoints.
- Secured identity management through effective configuration of Active Directory and DNS services.
- Enhanced provisioning and reporting efficiency by automating server tasks with PowerShell scripts.
- Established robust backup strategies using Veeam and Evault, achieving a recovery readiness rate of 99.9%.
- Managed OS patches and compliance standards to uphold system security rigorously.
- Conducted proactive monitoring of system health via SCCM, mitigating potential user impacts.
- Resolved hardware issues quickly, contributing to sustained system performance for all users.
- Engaged with IT teams for prompt implementation of essential software updates.
Tier 3 Technical Support Representative
Starz Entertainment
Englewood
- Provided advanced troubleshooting support for customer inquiries and technical problems.
Education
Bachelor of Science - Marketing
University of Northern Colorado
Skills
- Windows Server and Active Directory
- Group Policy management
- DNS and DHCP configuration
- PowerShell scripting
- VMware and Hyper-V administration
- Backup and disaster recovery
- Patch management strategies
- OS hardening techniques
- System monitoring and analysis
- Hardware management practices
- Technical troubleshooting skills
- Software deployment processes
- Team collaboration and communication
- Documentation standards
- Problem analysis and resolution
- Backup and restore operations
- Security patch management strategies
- Server hardware maintenance
Certification
Tanium Certified Operator
Military Service
United States Army, Honorably Discharged
Timeline
Windows Systems Administrator
Starz Entertainment
07.2012 - 09.2025
Tier 3 Technical Support Representative
Starz Entertainment
Bachelor of Science - Marketing
University of Northern Colorado