Todd H. Email & Phone Number

Leesburg, Va, Us

Jacksonville, Florida, United States (For Various Commercial And Federal Government Agencies)

• Implement Cisco Duo MFA enterprise-wide, integrating with Active Directory Domain Services (AD DS), Red Hat Linux, and Cisco ISE systems to achieve Zero Trust Architecture• Maintain the enterprise AD DS and AD Certificate Services (ADCS) infrastructure, including Domain Controller maintenance and upgrades• Deploy new Entrust nCipher HSMs and PKI root chain into the enterprise infrastructure and integrate it with both Windows and non-Windows systems • Maintain Certificate Revocation List (CRL) distribution points from the enterprise offline Root Certificate Authority (CA) and cross-certificate hierarchy chains• Manage and maintain Subordinate CAs, CRL Proxy Servers, and Entrust nCipher Hardware Security Modules (HSMs)• Migrate PKI Root Chain from Windows 2012 to Windows 2019 Server infrastructure• Migrate Red Hat Linux 8 to Active Directory and enroll in DUO multi-factor authentication• Implement SSH to Active Directory Authentication for Red Hat Linux 8• Monitor and support the PKI and X.509 Certificate incident management queue

Reston, Virginia, United States (And For Various Other Commercial And Federal Government Agencies)

• Maintained and implemented changes to large-scale multi-forest, multi-site Active Directory environments to include new domain controller (DC) deployments, DC replacement and review security implications for all changes• Provided technology solutions to meet mission-critical objectives using Active Directory and F5 Networks Big-IP Load Balancers• Integrated enterprise PKI, Apache, Java, JBOSS, and WebSphere applications into Active Directory using Kerberos and LDAP• Implemented changes to Active Directory Federation Services (ADFS) infrastructure, Azure Active Directory, and Office 365• Created new and improved existing Active Directory Organizational Unit structures and Group Policy Objects across all production and non-production environments, providing more secure and flexible Desktop environments• Conducted market reviews and evaluate new software technologies• Conducted Load, Functional, and Performance automation testing using open-source and proprietary-based tools: SoapUI, SmartBear TestComplete, Apache Benchmark, PowerShell, JavaScript and machine learning / artificial intelligence tools

Fairfax County, Virginia, United States (For Various Commercial And Federal Government Agencies)

• Deployed and maintained the then-enterprise IPAM product VitalQIP to provide central IP management controlling all DNS and DHCP host addresses• Implemented enterprise monitoring strategy (server fault management) of all Microsoft Windows systems using NetIQ AppManager to include Microsoft Active Directory, SQL servers, Exchange servers, Cluster servers, and stand-alone Windows servers• Assisted Windows Server teams in isolating operating system problem areas while reported by NetIQ• Implemented Cisco Voice-Over-IP (VoIP) monitoring using NetIQ• Deployed and maintained MicroFocus Network Node Manager (NNMi) and Network Automation (NA) to track configuration changes to all production network routers and switches• Conducted mass-Cisco Router/Switch administration, including software upgrades, using NA• Trained Operations personnel in the use NNMi and NA• Deployed and maintained remote room temperature/ power/light /humidity/ sensors (AVTECH Room Alert Monitors)

Washington D.C. Metro Area (For The U.S. Department Of Homeland Security)

• Implemented technical solution for Internet-accessible web portal for FEMA personnel to access DHS Headquarters resources (solution utilized Citrix Web Presentation Server and Juniper Networks NetScreen SSL VPN)• Provided Tier Two support as an Active Directory Engineer in a complex multi-forest/multi-domain/multi-site 5,000-user environment• Ensured all assigned project systems met DHS Security program requirements and passed Security C&A audits• Provided Server monitoring, troubleshooting and Microsoft Exchange administration• Assisted in implementation of a complex Microsoft Group Policy scheme to secure all workstations and servers across the enterprise to National Security Agency (NSA) standards• Served as liaison to DHS Office of Security Information Security Office and Incident Response Team

Arlington And Alexandria, Virginia (For The U.S. Patent & Trademark Office)

• Promoted from within to various positions at this employer: Manager - Advance Problem Resolution Team (2000-01); Manager – Helpdesk (2000), Department of Commerce (United States Patent and Trademark Office)• RightFax System Integrator for an 8,000-user fax system leveraging seven PRI T1 leased lines and handling 70,000 fax transmissions with 250,000 fax pages total per month• Citrix MetaFrame Administrator for 200-user server farm• Symantec Enterprise AntiVirus System Administrator• Maintained and supported multiple Windows 2000 and Windows 2003 server clusters• Assisted in monitoring and management all Windows 2000/2003 infrastructure servers including Terminal servers, Cluster servers, IIS, SQL and RightFax servers; group policy management for 10,000 workstations• Implemented and supported enterprise login script and other automated reporting tools• Installed, configured, and restored all software and hardware on HP, Dell, Compaq, and IBM servers• Installed and configured clustered Exchange 2000 Servers attached to EMC SAN storage• Supported migration (upgrade) from Windows NT 4.0 to Windows 2000 Active Directory and Exchange 5.5 to Exchange 2000 in a 10,000-user, single-forest/multi-domain/single-site environment• Assisted in Crystal City to Alexandria Data Center re-location project

Little Silver, Nj

Fort Campbell, Ky And Various Overseas Locations