Senior ServiceNow Developer

ServiceNow Senior Developer

Senior ServiceNow CMDB/CSDM Developer

Position Summary

We are seeking a Senior ServiceNow Developer with strong expertise in CMDB, CSDM, and platform development, along with working knowledge on CMDB concepts and architecture. This role focuses on engineering a reliable, CSDM‑aligned CMDB, developing platform capabilities, ensuring data quality, and supporting governance standards. The developer will collaborate with ITSM and other teams and act as a technical SME for configuration data integrity.

Key Responsibilities 

CMDB & CSDM Engineering (Will be align to CMDB full time) 

• Implement and maintain CSDM-aligned CMDB class models, relationships, domains, and lifecycle states. 
• Develop and optimize Identification & Reconciliation (I&R) rules, attribute precedence logic, and CI normalization strategies. 
• Configure and maintain CMDB Data Manager, CI lifecycle/retirement flows, and health inclusion rules. 
• Build platform logic to support CMDB Completeness, Correctness, Compliance, staleness checks, and automated data quality remediation flows. 
• Support CI ownership models, governance standards, naming conventions, and metadata stewardship. 
• ITOM Discovery / ITOM Knowledge to support in migration for risk and impact.
• Support audit and compliance requirements for CMDB health, evidence packs, remediation tracking, and data lineage documentation.
• Must follow best practice and drive towards out of the box model on platform.
• Participate in governance forums and provide technical input for policy and architecture decisions.
• Maintain dashboards and reports for CSDM, CI health, ownership, and completeness/correctness trends.
• Have worked in Agile/scrum environment.
• Support audit and compliance requirements for CMDB health, evidence packs, remediation tracking, and data lineage documentation

ServiceNow Platform Development 

• Develop server-side scripts (Script Includes, Business Rules, Fix Scripts), client-side scripts, UI policies, and UI actions. 
• Build and maintain Flow Designer, Integration Hub spokes, Transform Maps, and scripted transformations. 
• Develop integrations for CI data ingestion and normalization, ensuring strong reconciliation logic and data integrity. 
• Optimize platform performance (queries, indexes, efficient GlideRecord patterns) and implement managed error-handling. 
• Cloud integration hands-on experience 
• Author technical documentation (data contracts, mapping specs, runbooks, ADR) 
• Peer reviews the code of Junior engineer, participate in SCRUM agile ceremonies and  
• Work alongside Platform team to be aligned with Release and deployment

Cross-Team Collaboration

• Work closely with ITSM, Application Owners, Network, DBA, Platform Engineering, and ITOM Discovery SMEs.
• Provide technical mentorship to junior admins and analysts.

Must‑Have Qualifications

• 6–10+ years of ServiceNow development experience.
• 2-4+ years focused on CMDB/CSDM modeling, CI class engineering, and data management.
• Strong proficiency in Script Includes, Business Rules, Fix Scripts, Transform Maps, and Flow Designer.
• Solid understanding of CSDM across business, application, and technical service layers.
• Hands‑on experience with Identification & Reconciliation: identifiers, precedence logic, dedupe/orphan prevention.
• Strong platform engineering fundamentals: scoped apps, API usage, async processing, error logging.
• Exposure to Service Graph Connectors or CMDB integration pipelines.
• Knowledge of ITOM Discovery concepts (not deep engineering), including:
  • Patterns & probes
  • MID Server architecture basics
  • Credential logic
  • Dependency interpretation
• Practical experience with CMDB Health and automated remediation workflows.
• Strong analytical skills, documentation discipline, and cross-domain communication capability.
• ServiceNow certifications: CSA, CAD,
• Nice to have ServiceNow certifications: CSA, CIS‑CMDB, CIS‑ITOM, CIS‑Discovery (nice to have), CSDM micro‑certifications.

• Working Exposure to Service Graph Connectors or CMDB integration pipelines.
• Knowledge of ITIL v4 and configuration management governance practices.
• Practical experience with CMDB Health and automated remediation workflows.
• Strong analytical skills, documentation discipline, and cross-domain communication capability.
• Knowledge of ITIL v4 and configuration management governance practices.
• Experience partnering with engineers who develop Discovery patterns or Service Maps.

Experience Level

Senior Level