Sr. ServiceNow API Integration Engineer

About the role

The Senior ServiceNow Integration & Platform Security Engineer is responsible for designing, building, deploying, and maintaining the API integration standards, authentication services, and platform security controls that enable secure connectivity across the ServiceNow ecosystem. This role serves as a senior technical contributor responsible for engineering reusable integration patterns, OAuth authentication frameworks, API lifecycle management capabilities, and platform security guardrails that support applications, automations, AI agents, and external systems. The successful candidate will have hands-on experience designing and operationalizing secure integration capabilities in large enterprise environments, with strong knowledge of ServiceNow APIs, IntegrationHub, OAuth, platform security, identity patterns, monitoring, and production support. The role partners closely with product owners, architects, cybersecurity teams, infrastructure teams, application teams, and platform operations to deliver secure, resilient, scalable, and compliant ServiceNow integration capabilities.

Responsibilities

• Engineer, support, and continuously improve ServiceNow API integration standards, authentication services, and platform security controls.
• Design, build, deploy, and maintain reusable integration patterns across REST APIs, SOAP services, IntegrationHub, Scripted REST APIs, and MID Server capabilities.
• Develop and operationalize OAuth authentication frameworks, token management patterns, certificate-based authentication, and secure connectivity standards.
• Build and maintain API lifecycle management capabilities including design standards, versioning, documentation, monitoring, deprecation, and retirement practices.
• Define and enforce integration and security standards to ensure consistent adoption across the ServiceNow platform.
• Support OAuth modernization efforts by migrating legacy authentication patterns toward modern, secure, supportable authentication models.
• Engineer platform security guardrails including ACLs, scoped application security, API access controls, credential handling standards, and integration control patterns.