j
jimhorton729

Jim

@jimhorton729
Vereinigte Staaten
Englisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
Active Directory since 1999, SQL, DNS, routers, switches, security, etc. Senior Systems and Windows Engineer with extensive experience designing, implementing, securing, and supporting enterprise infrastructure for commercial and federal environments. Strong background in Active Directory, Windows Server, PKI, VMware, Exchange, PowerShell automation, disaster recovery, Group Policy, virtualization, and enterprise migrations. Experience supporting large-scale environments, mission-critical systems, and security/compliance initiatives.... Mehr lesen

Kompetenzen

j
jimhorton729
Jim
offline • 

Meine Dienstleistungen

Server-Administration
I will design and fix your network and server issues
Ab35 $ / ProjektWeitere Details

Arbeitserfahrung

Cigna

Express Scripts / Cigna — Senior IT Engineer, Orlando, FL

Cigna • Vollzeit

Apr 2018 - Apr 2024 • 6 yrs

 Provided Active Directory administration, architecture guidance, security, and system administration support.  Managed Windows Server 2008 R2, 2012 R2, 2016, and Linux virtual servers in VMware 6.5 environments.  Designed and implemented a PKI upgrade from Windows Server 2008 to 2016, including an offline root CA, two subordinate CAs, and three OCSP servers.  Managed multiple Okta cloud instances and configured SSO for internal and external applications using SAML and OIDC.  Developed automation using PowerShell, VBScript, and DOS Batch to monitor server/workstation status, patch levels, disk space, and Active Directory objects.  Performed Level 3 break/fix support for Domain Controllers and PKI servers; developed and implemented Active Directory GPOs and CIS hardening settings.  Designed and implemented smart-card/PIV authentication using YubiKey devices.