David Williams Email & Phone Number

New York, NY, US

New York, NY, US

New York, NY, US

**Managed replacement of Solarwinds and transitioned monitoring over to LogicMonitor and configured alerting with PagerDuty.**Built out a new Active Directory domain with eight sites including AWS and configured it with Okta for account provisioning.**Configured Netbox and used it to document all VM’s and physical devices.

Brooklyn, New York, US

**Managed Tableau analytics server for 350 reports, migrated all reports to cloud-based Tableau and set up bridge agents to sync on-prem data to Tableau with minimal issues using Powershell.**Manage Active Directory for over 1,800 employees, making improvements to security and management**Implemented Okta Single Sign-On with 50 applications configured.

Florham Park, New Jersey, US

• Hired to rebuild the Active Directory structure and ten Windows servers to meet PCI compliance standards and to improve overall network performance and to help manage build-out of a new call center which supported.
• Manage staff, 40 servers, 950 workstations, and support 1000 users in four locations: Staten Island, Queens, Yonkers, and Endicott, NY
• Rebuilt Active Directory structure and ten servers in first 6 months of being hired
• Improved Active Directory performance through server upgrade and configuration changes saving each user two hours per week
• Fixed major security vulnerabilities with local firewalls and group policy settings and fixed security scan reports for 350 computers
• Implemented new security standards to meet and pass the PCI/DSS audit. Instituted and maintain best practices, allowing for a better user experience and reduced administrative expenses

Brooklyn, NY, US

• Managed a large enterprise network in 104 different locations and oversaw management of over 400 mobile devices
• Maintained network of 250 Cisco routers, switches, Meraki wireless access points, Cisco Call Manager, 3000 Cisco IP phones and 6 PRI’s
• Reduced downtime of remote locations by 80% with configuration changes and changing ISP’s
• Managed WAN connections using MPLS and IPSec over GRE VPN tunnels
• Documented entire network including over 250 devices identifying security and performance issues and unauthorized devices
• Changed ISP providers for 35 locations

Washington, DC, US

Honorably discharged after managing large enterprise networks with high security & availability requirements to support communications for combat units. Provided leadership for over 25 in Bahrain, Japan, Washington DC, and San Diego. Managed accountability over technology equipment ensuring national security with zero losses.