ITOM Discovery SME

General Dynamics Information Technology

3d•Remote

About The Position

Seize your opportunity to make a personal impact as a ServiceNow ITOM Discovery SME supporting Centers for Medicare and Medicaid Services - Cloud Products & Tools (CMS - CPT). GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career. At GDIT, people are our differentiator. The Senior ServiceNow ITOM Discovery SME is responsible for the architecture, implementation, and continuous improvement of the Configuration Management Database (CMDB) and ITOM Discovery capabilities within the ServiceNow platform. This role ensures accurate, reliable, and actionable configuration data to support IT Operations, Service Management, Security, and business services. The engineer will lead efforts to mature CMDB health, align with the Common Service Data Model (CSDM), and implement scalable discovery patterns and integrations that provide visibility across SeviceNow instances. This role supports the agency’s mission by leveraging advanced ITAM processes to ensure accurate asset tracking, operational transparency, and regulatory adherence. This individual specializes in publisher-specific toolsets, drives license optimization through tailored workflows, and contributes to enterprise ITAM operations to ensure regulatory compliance success at CMS.

Requirements

Bachelor’s degree in information systems, Business, Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.
3–5+ years of hands-on experience with CMDB and ITOM Discovery.
Strong understanding of CMDB design and data modeling, ServiceNow Discovery architecture (MID Servers, probes/sensors, patterns), and Identification and Reconciliation Engine (IRE).
Experience with cloud discovery (e.g. AWS, Azure, GCP).
Familiarity with ITIL processes and frameworks.
Scripting experience (JavaScript, REST/SOAP APIs).
Strong analytical and problem-solving skills.
Deep technical expertise with a systems-thinking mindset.
Data governance and quality focus.
Ability to translate technical configurations into business value.
Effective communication and cross-functional collaboration.
Must be able to pass a CMS Public Trust - Applicants shall have lived in the United States at least 3 out of the last 5 years prior to going through the public trust background investigation and submitting an application for a Federal ID Card.

Nice To Haves

ServiceNow Certified System Administrator (CSA)
ServiceNow Certified Implementation Specialist – Discovery (CIS-Discovery)
ServiceNow Certified Implementation Specialist – Service Mapping (CIS-SM)
Experience implementing CSDM in large enterprises
Knowledge of networking, infrastructure, and application architectures

Responsibilities

Design, implement, and maintain CMDB architecture aligned with ServiceNow best practices and CSDM framework.
Define and enforce data models, class structures, and relationship integrity.
Establish and maintain CMDB governance processes, including: Data ownership and stewardship, Certification and attestation workflows, Data quality policies and standards.
Drive CMDB maturity initiatives focusing on completeness, correctness, and compliance.
Configure and manage ServiceNow Discovery for data centers, cloud environments (AWS, Azure, GCP), and endpoints, network devices, servers, databases, and applications.
Develop and maintain Discovery schedules and credentials, MID Server infrastructure (installation, scaling, hardening), probes, sensors, patterns, and classification rules.
Troubleshoot discovery issues and optimize performance and coverage.
Ensure credential management aligns with security best practices.
Ensure accurate CI relationships to support impact analysis and incident/problem management.
Monitor and improve CMDB SW data health using ServiceNow CMDB Health Dashboard.
Identify and remediate duplicate, stale, or orphaned SW CIs.
Implement automated data reconciliation and normalization strategies.
Align discovery data with other data sources (e.g., SCCM, cloud APIs).
Design and maintain integrations between ServiceNow and external systems including cloud platforms (AWS, Azure, GCP), endpoint management tools (SCCM, Intune, JAMF), and monitoring and event management systems.
Ensure data ingestion aligns with Identification and Reconciliation Engine (IRE) standards.
Define authoritative SW data sources and reconciliation rules.
Automate discovery operations and CMDB maintenance using Flow Designer, Business Rules, IntegrationHub.
Develop reusable patterns and scalable configurations.
Support SW CI lifecycle automation from provisioning through decommissioning.
Provide advanced troubleshooting for discovery failures, CMDB inconsistencies, and integration issues.
Act as a subject matter expert (SME) for CMDB and Discovery.
Ensure discovery and CMDB and Discovery processes comply with organizational security policies.
Implement secure credential storage and access controls.
Support audit readiness with traceable and reliable configuration data.
Stay current with ServiceNow releases and ITOM enhancements.
Evaluate and implement new capabilities such as Agent Client Collector (ACC), Service Graph Connectors, Event Management and AIOps integrations.
Drive CMDB and Discovery maturity toward higher levels of automation and trust.

Benefits

401K with company match
Full flex work weeks where possible
Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
15 days of paid leave per calendar year to be used for vacations, personal business, and illness
10 paid holidays per year
Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees.
Short and long-term disability benefits
Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
Variety of medical plan options, some with Health Savings Accounts
Dental plan options
Vision plan