Senior ServiceNow Developer

ServiceNow Senior Developer

Senior ServiceNow Developer – CMDB / CSDM

A senior ServiceNow developer specializing in CMDB engineering, CSDM implementation, and platform development, responsible for building a CSDM‑aligned, high‑quality CMDB, enforcing governance standards, and driving CI data accuracy. Acts as the technical SME for configuration data, collaborating across ITSM, ITOM, Infra, App, and Platform teams.

Core Competencies

• Expert in CMDB architecture, CI classes, hierarchies, inheritance, and lifecycle management.
• Design/extend CI class models and engineer IRE, reconciliation, dedupe, and orphan‑prevention logic.
• Build normalization, enrichment, transformation, and CMDB governance automation (3Cs).
• Implement and maintain CMDB Health, compliance rules, audits, correction workflows, and custom CMDB utilities.
• Hands‑on CSDM v4+ service modeling across Business, Application, and Technical domains, including infra‑to‑service mapping.
• Advanced scripting for CMDB operations (Script Includes, BRs, Fix Scripts, UI Policies, Client Scripts, Scheduled Jobs, Scripted REST).
• Manage Transform Maps, Data Sources, scripted import logic.

Integrations & Service Graph

• Experience with Service Graph Connectors, schema mapping, and multi‑source reconciliation.
• Build integrations via REST, SOAP, JSON, MID Server, Integration Hub.
• Implement governance frameworks, playbooks, exception workflows, and CMDB dashboards (PA, UI Builder).

Platform Engineering

• Develop complex server‑side and client‑side logic; optimize CI ingestion, normalization, reconciliation.
• Maintain Flow Designer, Integration Hub spokes, scripted transforms.
• Performance tuning (Glide Record efficiency, indexing, logging, async patterns).
• Support cloud CMDB ingestion/modeling and produce high‑quality documentation.
• Mentor developers, conduct code reviews, support agile ceremonies, and align with platform release/governance processes.
• Use ATF and workflow tools for automated testing.

Collaboration & Leadership

• Partner with ITSM, Infra, App Owners, Network/DB teams, ITOM/Discovery SMEs.
• Mentor junior developers and support governance/OKR objectives.

Qualifications

• 6–7+ years ServiceNow development, including 2–4+ years CMDB/CSDM specialization and hands on CMDB/CSDM modules.
• Should be confident and have hands-on experience on the above core competencies mentioned, Platform Engineering and Integration expertise.
• Strong in scripting (SI, BR, Fix Scripts), Transform Maps, Integration Hub, IRE/reconciliation, CSDM modeling.
• Understanding of Discovery patterns, probes, MID architecture; practical CMDB Health/compliance experience.
• Strong analytical, documentation, and cross‑team communication skills.
• Certifications: CSA (preferred); plus, CAD, CIS‑Discovery/ITOM, CSDM micro‑certs (nice‑to‑have).
• Knowledge of ITIL v4 and configuration management governance.

Experience Level

Senior Level