Senior ServiceNow Developer

The ServiceNow Senior Developer is responsible for designing developing and implementing complex technical solutions on the organizations ServiceNow platform. This role acts as a primary technical subject matter expert translating business requirements into scalable efficient and secure workflows and applications. The Senior Developer plays a critical role in mentoring junior developers establishing coding best practices managing advanced integrations and ensuring the overall health and architectural integrity of the platform while operating within an Agile framework.

Key Responsibilities

Technical Solution Design & Advanced Development

Design build and customize ServiceNow applications and modules (e.g. ITSM ITOM HRSD CSM) using advanced scripting (JavaScript GlideRecord GlideSystem Business Rules Client Scripts Script Includes).

Develop and enhance Service Portals using HTML CSS AngularJS and Bootstrap.

Translate business concepts and functional requirements into robust scalable technical designs and implementation plans.

Troubleshoot complex technical issues perform root-cause analysis and implement effective performance optimizations.

System Integration & Architecture

Architect and implement secure integrations between ServiceNow and external third-party systems using REST SOAP JSON XML and Integration Hub.

Maintain data integrity and mapping during integrations ensuring optimal system performance and minimizing technical debt.

Assist in defining and maintaining the long-term architectural roadmap for the platform.

Code Quality & Mentorship

Conduct rigorous code reviews for peer and junior developers to ensure adherence to ServiceNow best practices security standards and internal guidelines.

Mentor and guide junior developers and administrators fostering a culture of continuous technical learning and high-quality delivery.

Act as a technical escalation point for complex development challenges.

Change Governance & Deployment

Participate in the Configuration Control Board (CCB) as a technical Subject Matter Expert (SME) to evaluate the technical feasibility and impact of proposed changes.

Manage complex deployments using Update Sets CI/CD pipelines and ServiceNow Application Repository ensuring smooth transitions from lower environments to Production.

Ensure all development work follows defined change governance compliance security and architectural standards.

Technical Documentation & Enablement

Develop and maintain comprehensive technical documentation including architectural diagrams technical design documents (TDD) and system configurations.

Create and update Standard Operating Procedures (SOPs) for deployment coding standards and platform maintenance.

Required Qualifications

Bachelors degree in Information Technology Computer Science or related field (or equivalent experience).

5-7 years of hands-on experience in ServiceNow development configuration and administration.

Advanced proficiency in JavaScript HTML CSS AngularJS and ServiceNow scripting APIs.

Strong experience building and managing complex REST/SOAP API integrations.

Solid understanding of Agile/Scrum methodologies and experience working in sprint-based delivery cycles.

Excellent problem-solving skills and the ability to articulate complex technical concepts to non-technical stakeholders.

Top Secret Clearance with SCI eligibility.

Preferred Qualifications

ServiceNow Certified Application Developer (CAD) strongly preferred.

ServiceNow Certified Implementation Specialist (CIS) in one or more relevant modules (ITSM ITOM HRSD etc.).

Experience with Automated Test Framework (ATF) and setting up automated testing pipelines.

Familiarity with ITIL processes and strong foundational knowledge of ITSM principles (ITIL v4 certification is a plus).

Familiarity with DoD SAPs

Core Competencies

Advanced ServiceNow platform and scripting expertise

Complex systems integration and API management

Technical architectural design

Mentorship and peer development

Agile development execution

Root-cause analysis and performance tuning

Clear technical communication

Additional Information

• This job description is not designed to cover or contain all job duties required of the employee. There may be additional activities duties and/or responsibilities that are required for this position that are not listed in this job description.
• In compliance with federal law all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.

• System High is a Military friendly employer. Our extensive work on behalf of the U.S. government offers those who have served in uniform an opportunity to continue to serve their country in a new and exciting way while enjoying a successful civilian career.

• System High Corporation is an Equal Opportunity/Affirmative Action Employer. We consider applicants without regard to race color religion age national origin ancestry ethnicity gender gender identity gender expression sexual orientation marital status veteran status disability genetic information citizenship status or membership in any other group protected by federal state or local law.

• Equal opportunity legal notices can be viewed on the following PDFs:EEO is the Law;EEO is the Law Supplement;Pay Transparency Nondiscrimination

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