In this post I am trying to compile important topics for anyone who is willing to start their career as ServiceNow Administrators. These topics may not cover the entire depth of ServiceNow ecosystem, but they will definitely give first step in understanding to get familiar with the ServiceNow Platform.

• Application Navigator

• Lists and forms

• Filters and breadcrumbs

• Branding & UI settings

• Personalization vs. Customization

• Users, Groups, Roles
• Inheritance of permissions
• Access Control Rules (ACLs): table-level & field-level
• Scoped vs. global apps (basic level)
• Impersonation

• Table Creation, Editing and Deletion.
• Table Names.

• Table hierarchy (e.g. Task, cmdb_ci)

• Extending tables

• Fields and field types

• Schema Map

• Dictionary entries (VIMP)

• Form layout and design

• Form views

• UI Policies vs. Client Scripts

• List layout & configurations

• Reference fields, dot-walking

• Catalog items, Record producers, variables and variable Sets.

• Request → Requested Item → Tasks (RITM model)

• Workflows and Flows tied to catalog items

• Approvals.

• Workflow Editor (legacy)

• Flow Designer (modern automation tool)

• Actions, triggers, conditions, subflows

• Business Rules: when to use (Before/After/Async/Display)

• Script Includes (light level)

• Email notifications (templates, conditions)

• Inbound/Outbound email config

• Events and triggers

• Creating, scheduling, and sharing reports

• Bar, pie, list, and pivot reports

• Performance Analytics (light knowledge)

• Dashboards and Homepage layouts

• Create, capture, and commit update sets

• Cloning best practices

• Skipped changes and collision handling

• Global vs. Scoped Update Sets

• Loading data from Excel/CSV

• Staging tables vs. target tables

• Mapping Assist

• Coalesce for record matching

• CI relationships and classes

• Basic CI vs. Asset distinction

• Dependency views

• System logs: error, warnings

• System diagnostics and security

• Application scopes

• Debug tools (e.g., Business Rule Debug, ACL Debug)

Also note that these topics only cover ServiceNow Administrator related topics and for ServiceNow Developer Topics You can check out this article here.