Senior Active Directory Administrator, Global Technology Solutions
Current● Responsible for managing the enterprise Active Directory infrastructure for Transamerica. Supporting multiple forests and domains that touch global business units and IT teams● Manage lifecycle of domain controllers and resource monitoring● Develop domain-level group policies and assists other technical teams with troubleshooting their group policies● Primary support for 3rd systems besides Active Directory: DNS (internal and external), DHCP, Bluecat IPAM Integrity, Quest Change Auditor, Quest Recovery Manager for Active Directory, Quest Active Administrator, Microsoft Distributed File System (DFS)● Work with Global Technology Services support team to integrate with the Azure DNS resolution● Primary support for disaster recovery strategy and testing for Active Directory infrastructure. Perform recovery of AD, DNS, DHCP infrastructure in isolated environment. Created process and automation scripts to clone into DR. Supports other technical teams with troubleshooting issues related to recovering their systems into the DR environment● Investigate and resolve identified security vulnerabilities on managed servers● Utilize Powershell to automate day-to-day tasks associated with Active Directory, DNS, DHCP, Blucat infrastructure. Self-taught Powershell building previous development knowledge● Point of contact for business units and GTS division regarding the integration of Active Directory with new software and services, for troubleshooting major/minor incidents● Maintain system documentation● Provide support for the global environment in a 24/7 capacity, participating in an on-call rotation schedule ● Led vendor selection and relationship of Bluecat DNS/DHCP solution. Led migration of external facing DNS from Microsoft to Bluecat infrastructure comprising over 1,000 domains and migrated Microsoft DHCP to Bluecat infrastructure consisting of over 1,000 subnets. Attended Bluecat training, led in-training for technical teams and appropriate business units.