j
jimhorton729

Jim

@jimhorton729
États-Unis
Anglais
Certaines informations sont présentées en anglais.
À propos de moi
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.... Plus d’infos

Compétences

j
jimhorton729
Jim
hors ligne • 

Voir mes services

Administration de serveur
I will design and fix your network and server issues
De35 $US / projetPlus de détails

Expérience professionnelle

Cigna

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

Cigna • Temps plein

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.