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ServiceNow Service Portal Subject Matter Expert

General Dynamics Information Technology
USA LA Home Office (LAHOME), United States, United Statesfull_timeVerifiedPosted 24 Nov 2025
💰 $207,000/yr($153,000/yr$207,000/yr)

About the role

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Secret

Clearance Level Must Be Able to Obtain:

Secret

Public Trust/Other Required:

None

Job Family:

Software Engineering

Job Qualifications:

Skills:

Software Development, Software Systems, Software Testing

Certifications:

None

Experience:

10 + years of related experience

US Citizenship Required:

Yes

Job Description:

Transform technology into opportunity as a ServiceNow Service Portal Subject Matter  at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering career.

MEANINGFUL WORK AND PERSONAL IMPACT
As a ServiceNow Service Portal Subject Matter, the work you’ll do at GDIT will be impactful to the mission of our customers. You will play a crucial role via the following:

  • Lead the architectural design of complex ServiceNow solutions, ensuring scalability and performance
  • Design, develop, and maintain custom ServiceNow Service Portals, ensuring intuitive user interfaces and optimal user experience
  • Create and enhance custom widgets using AngularJS, JavaScript, HTML, and CSS to extend portal functionality and meet specific business requirements
  • Implement and configure portal pages, themes, and branding
  • Configure and design custom ServiceNow Workspaces to streamline workflows and improve efficiency
  • Customize workspace layouts, components, and data visualizations
  • Develop and implement solutions for digesting and processing incoming XML data feeds, transforming them into ServiceNow records
  • Design and develop robust mechanisms for generating outgoing XML data, ensuring data integrity and adherence to external system requirements
  • Utilize ServiceNow integration capabilities (e.g., REST/SOAP APIs, Scripted REST APIs, Integrations Hub) to facilitate XML-based data exchange
  • Serve as the technical advisor, overseeing all technical aspects of implementations, resolving technical issues, and defining best practices for configuration, scripting, and workflow automation
  • Collaborate with business and IT stakeholders to define requirements, develop migration roadmaps, and facilitate workshops
  • Maintain and manage the CMDB, guide the architecture for ITOM tools, and ensure adherence to ITIL, compliance, and security standards
  • Develop and maintain technical documentation, including process flows, design documents, and high-level architecture diagrams
  • Provide technical guidance to team members, lead code reviews, and troubleshoot production issues to ensure platform stability
  • Support business growth and proposal teams by writing proposal sections, providing guidance, and contributing to the creation of cost and effort estimates
  • Grow junior talent through mentoring, partnership, and technical reviews
  • Author, review, and lead the creation of white papers and contract artifacts
  • Work with end users, stakeholders, and management to define and create reports, dashboards, and data analysis products
  • Maintain current ServiceNow and industry certifications, while obtaining additional certifications and accreditations
  • Lead, author, and contribute to IT-related technical processes reviews, postmortems, and continual process improvement
  • Create estimations on effort required to produce ServiceNow functionality


WHAT YOU’LL NEED TO SUCCEED
Bring your engineering expertise along with a drive for innovation to GDIT. The Software Architect SME must have:
 

● Education: Technical Training, Certification(s) or Degree
 

● Experience: 10+ years of related experience
 

● Required Skills:

  • Extensive experience with ServiceNow architecture, development, and best practices, including strong knowledge of the platform's core modules
  • Proven expertise in ServiceNow Service Portal development and custom widget creation
  • Proven experience with the configuration and optimization of ServiceNow Workspaces
  • Strong proficiency in JavaScript, AngularJS, HTML, and CSS
  • Proven experience with XML data digestion and generation, and integration with external systems
  • Strong proficiency with integration technologies like REST APIs, SOAP, and web services
  • In-depth understanding of ITSM processes and ITIL frameworks
  • Keen understanding of modern web technologies and cloud computing architectural principles for cloud-based platforms
  • Excellent understanding of the Agile software testing

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Company

General Dynamics Information Technology

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