ServiceNow Discovery Engineer – CMDB & Network Topology

ARISTON SERVICES PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

ARISTON SERVICES PTE. LTD. is seeking a network engineer with 5+ years of experience to drive CMDB accuracy and IT service management practices in a dynamic environment.

You will manage and optimize network discovery using ServiceNow Discovery and Service Mapping, validate CMDB data, and onboard devices with precise mappings. Strong scripting skills (Python/PowerShell) are a plus, with a detail-oriented approach to data quality.

Qualifications

• Hands-on experience with ServiceNow Discovery and Service Mapping.
• Strong understanding of CMDB data models, CI relationships and data-quality practices.
• Solid networking knowledge (routing, switching, firewalls) to interpret discovered topology.
• Scripting/automation experience with Python or PowerShell is a plus.
• Detail-oriented with strict data-validation discipline.

Responsibilities

• Execute network discovery across the 450+ device estate using ServiceNow Discovery and Service Mapping.
• Validate, reconcile and remediate CMDB configuration item (CI) data for network assets and relationships.
• Onboard network devices and dependencies into the ESM/ServiceNow platform with accurate attributes and mappings.
• Define and refine discovery patterns, probes and credentials for reliable, repeatable network discovery.
• Troubleshoot discovery gaps and data-quality issues, driving them to resolution
• Document onboarding procedures, discovery configuration and CMDB data standards for network assets.
• Support ongoing data-quality governance and hand over repeatable processes to the permanent team

Skills

ServiceNow Discovery

Service Mapping

CMDB data models

Network fundamentals

Data validation discipline

Tools

Python

PowerShell

Job description

ARISTON SERVICES PTE. LTD. is seeking a network engineer with 5+ years of experience to drive CMDB accuracy and IT service management practices in a dynamic environment.

You will manage and optimize network discovery using ServiceNow Discovery and Service Mapping, validate CMDB data, and onboard devices with precise mappings. Strong scripting skills (Python/PowerShell) are a plus, with a detail-oriented approach to data quality.