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Joshua Lomahan
Senior Information Security Analyst at Ryan Specialty Group
Chicago, IL, United States
Details
Education:
Chemical Engineering
Chemical Engineering
University of Illinois at Chicago
2014 : 2019
Chemical Engineering
University of Illinois at Chicago
2014 : 2019
Experience:
2023 : Present
Ryan Specialty
Senior Information Security Analyst
2021 :
Ryan Specialty Group
Information Security Analyst
2020 : 2021
ABN AMRO Clearing Chicago LLC
User Access Coordinator
Created PowerShell scripts to automate operational tasks such as querying for information or performing maintenance within Active Directory Users and Computers (ADUC) and Group Policy Management (GPM)
Worked with multiple teams to create and link Group Policy Objects to ensure functionality for their service accounts.
Managed a multi-forest environment across 12 unique AD domains by maintaining Domain Controller health.
Performed promotions and demotions of Domain Controllers.
Trained a support team how to restore group memberships and attributes (within Active Directory) via a snapshot and PowerShell functions.
Participated in a large Disaster Recovery project that involved isolating networks at a tertiary data center.
Leveraged a Bare Metal Restore (BMR) to restore full Forest functionality in an Active Directory Restoration exercise
Created documentation for internal and external processes
2019 : 2020
United Airlines
Active Directory Support Engineer
Became point of contact within ServiceNow to remediate all end-user issues pertaining to PowerBroker Password Safe (PBPS)
Worked with multiple teams in TransUnion to onboard end-users, service accounts, and assets into BeyondInsight, the admin console for PBPS
Created Account and Asset Smart Rules within BeyondInsight
Utilized API commands on Linux jump server to onboard servers into the BeyondTrust solution
Worked within Active Directory and SailPoint IndentityIQ to add or remove login entitlement groups from end-users accounts and create users and groups.
Conducted company-wide training sessions for end-users on utilizing PBPS
Trained and mentored newer team members on the solution and ongoing projects
Created documentation for internal processes
2018 : 2019
TransUnion
Security Engineer Intern
Ryan Specialty
Senior Information Security Analyst
2021 :
Ryan Specialty Group
Information Security Analyst
2020 : 2021
ABN AMRO Clearing Chicago LLC
User Access Coordinator
Created PowerShell scripts to automate operational tasks such as querying for information or performing maintenance within Active Directory Users and Computers (ADUC) and Group Policy Management (GPM)
Worked with multiple teams to create and link Group Policy Objects to ensure functionality for their service accounts.
Managed a multi-forest environment across 12 unique AD domains by maintaining Domain Controller health.
Performed promotions and demotions of Domain Controllers.
Trained a support team how to restore group memberships and attributes (within Active Directory) via a snapshot and PowerShell functions.
Participated in a large Disaster Recovery project that involved isolating networks at a tertiary data center.
Leveraged a Bare Metal Restore (BMR) to restore full Forest functionality in an Active Directory Restoration exercise
Created documentation for internal and external processes
2019 : 2020
United Airlines
Active Directory Support Engineer
Became point of contact within ServiceNow to remediate all end-user issues pertaining to PowerBroker Password Safe (PBPS)
Worked with multiple teams in TransUnion to onboard end-users, service accounts, and assets into BeyondInsight, the admin console for PBPS
Created Account and Asset Smart Rules within BeyondInsight
Utilized API commands on Linux jump server to onboard servers into the BeyondTrust solution
Worked within Active Directory and SailPoint IndentityIQ to add or remove login entitlement groups from end-users accounts and create users and groups.
Conducted company-wide training sessions for end-users on utilizing PBPS
Trained and mentored newer team members on the solution and ongoing projects
Created documentation for internal processes
2018 : 2019
TransUnion
Security Engineer Intern
Company:
Ryan Specialty
Years of Experience:
6
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