Senior ServiceNow Developer

Role Overview

• Service Graph Connector Configuration
• Configure and test Service Graph Connectors — including API credentials setup, discovery scope configuration and CI field mapping
• Write and maintain Transform Maps and Transform Scripts to accurately map MDM and network management data to ServiceNow CI classes
• Implement CI deduplication rules using serial number as primary key — ensuring SGC sync does not create duplicate records for existing CIs
• Configure SGC sync schedules and validate CI completeness after each sync cycle — logging coverage metrics to CMDB completeness report
• Test SGC behaviour for device retirement scenarios — validate that CIs are marked Retired (not deleted) when devices are removed from Endpoint management system
• Configure API integration — mapping reference data to ServiceNow CIs with correct parent relationships
• CMDB Import & Data Quality
• Build and execute manual CSV import process for application CIs — preparing import templates, running Import Sets and resolving Transform Map errors
• Validate CI field completeness: business_service, sys_class_name, environment, assignment_group — flagging and remediating gaps
• Implement store_id as mandatory attribute across all retail hardware CI types — validating enforcement via Transform Map rejection rules
• Build the CI relationship structure (store → device parent relationships) for all SGC-discovered CIs using Dependency Views and relationship types
• Develop scheduled CMDB completeness report script — querying CI fields and writing completeness scores to Performance Analytics for governance dashboard
• HAMPRO Configuration
• Configure HAMPRO model records for all hardware types
• Set up warranty tracking, EOL date fields and automated warranty expiry alerts (90-day, 30-day pre-expiry notifications)
• Build Flow Designer workflow for device replacement RITM: procurement request creation, shipping tracking, device provisioning steps, monitoring onboarding checklist and retired asset decommission
• Configure HAMPRO financial fields — purchase cost, depreciation schedule, book value — for retail hardware asset records
• Integrate HAMPRO warranty status into Event Management incident enrichment via Business Rule — auto-populating warranty details on hardware incidents at creation
• Development & Documentation
• Write clean, well-commented ServiceNow scripts (Business Rules, Script Includes, Scheduled Jobs) following platform best practices
• Maintain technical documentation for all SGC configurations, Transform Maps and HAMPRO workflows in Confluence
• Participate in code reviews with Technical Lead — incorporating feedback and applying standards consistently
• Support Developer 2 with guidance on Transform Map patterns and SGC troubleshooting

Requirements

• 4–6 years of ServiceNow development experience with strong hands-on CMDB and ITOM skills
• Experience configuring Service Graph Connectors or Discovery in ServiceNow ITOM
• Proficient in ServiceNow Transform Maps, Import Sets, Data Sources and scheduled import jobs
• Solid ServiceNow scripting: Business Rules, Script Includes, Scheduled Script Executions, Client Scripts — using Glide API
• Understanding of ServiceNow CMDB CI class model, relationship types and CSDM hierarchy
• Experience with Flow Designer for multi-step workflow automation
• Ability to work from technical specifications and translate them into working ServiceNow configuration
• Experience integrating ServiceNow with external REST APIs
• ServiceNow Certified Application Developer (CAD) or CIS — ITOM

Tech Stack

• ServiceNow