CMDB - Discovery & Service Mapping Specialist

Summary:

The Configuration, Discovery & Service Mapping Engineer is responsible for designing, maintaining, and optimizing the ServiceNow CMDB ecosystem. The role ensures accurate configuration data, reliable discovery processes, and end-to-end service mapping to support IT operations, governance, and automation initiatives.

Responsibilities:

• ServiceNow CMDB & Service Mapping — Implement and maintain ServiceNow Service Mapping, CI relationships, and service models.
• CMDB Discovery Management — Manage Discovery schedules, patterns, credentials, and integrations to ensure accurate CI population.
• Service Mapping — Build and maintain top-down service mapping, tag-based service mapping, CMDB groups.
• CI Class & Hierarchy Management — Maintain CI class structures, relationships, and taxonomy across the CMDB.
• Identification & Reconciliation Engine (IRE) — Configure and optimize IRE rules to ensure clean, conflict-free CI records.
• CMDB Data Modeling — Design and enhance CMDB schema, CI attributes, and relationship models.
• CI Lifecycle Management — Oversee CI onboarding, updates, retirement, and compliance with lifecycle policies.
• CMDB Health & Governance — Monitor and improve CMDB health metrics (completeness, correctness, compliance).
• Data Normalization & Deduplication — Implement normalization rules, deduplication logic, and data quality controls.
• Integrations & Service Graph Connectors — Manage integrations that enrich CMDB data from external systems.

Requirements:

• 8 years of hands-on experience in ServiceNow CMDB, Discovery, & Service Mapping roles.
• Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).

Required Skills:

• ServiceNow CMDB Expertise — Strong hands-on experience with CMDB design, CI classes, and relationship modelling.
• Service Mapping — Ability to build and maintain application and infrastructure service maps.
• Discovery & Integrations — Deep understanding of Discovery patterns, probes, sensors, and Service Graph Connectors.
• Cloud Discovery — AWS, Azure, or GCP discovery and service mapping.
• IRE Configuration — Experience configuring Identification & Reconciliation rules.
• CMDB Health Management — Ability to drive completeness, correctness, and compliance improvements.
• Data Quality Management — Strong skills in normalization, deduplication, and CI data governance.
• Analytical & Documentation Skills — Ability to document models, processes, and data flows clearly.
• ServiceNow Scripting — JavaScript, Glide API, or Flow Designer for automation.

Preferred Skills:

• ITOM Modules — Familiarity with Event Management, Health Log Analytics, or AIOps.
• ITIL Knowledge — Understanding of ITIL processes related to CMDB and configuration management.

Benefits:

Location: Any NTT Data Location (Hybrid Remote, 1 Day / Week from Office)

Shift Timing: 06:30 PM to 03:30 AM IST (US – EST Coverage)