Senior Mobile Authentication Integration Engineer (iOS/Android)

Peraton is hiring a Senior Mobile Authentication Integration Engineer to support the Department of Defense’s next-generation enterprise ICAM platform. The role integrates secure identity and authentication capabilities into native iOS and Android applications and supports Federal mobile authentication programs.

Responsibilities:

• Integrate Okta Identity Engine (OIE) Embedded SDKs into native iOS and Android applications in compliance with Federal identity requirements
• Implement OAuth 2.0, OpenID Connect (OIDC), PKCE, token lifecycle management, and secure session handling
• Develop secure mobile authentication, identity enrollment, and account recovery workflows aligned with Federal digital identity standards
• Implement FIDO2/WebAuthn, passkeys, and other phishing-resistant authentication mechanisms
• Integrate CAC/PIV, Purebred, and other government-issued mobile credentials
• Manage secure storage of credentials and tokens using iOS Keychain and Android Keystore
• Implement device registration, trusted device policies, and mobile biometric authentication (Face ID, Touch ID, Android Biometrics)
• Apply mobile application security controls including OWASP Mobile Top 10, certificate pinning, TLS configuration, and secure network communication
• Troubleshoot authentication, SDK, API, and mobile platform integration issues
• Design mobile enrollment workflows compliant with NIST SP 800-63
• Implement secure application routing using Universal Links and Android App Links
• Implement proxy user experiences supporting dependent access
• Design seamless in-app authentication experiences eliminating browser redirects
• Support integration of native mobile applications with enterprise IAM/CIAM systems used across Federal agencies
• Ensure compliance with NIST SP 800‑63 Digital Identity Guidelines and Zero Trust authentication principles
• Participate in Agile development processes, DevSecOps pipelines, and CI/CD workflows
• Collaborate with Federal cybersecurity, identity management, and mobile engineering teams to ensure secure delivery of mobile identity capabilities

Requirements:

• Minimum of 8 years with BS/BA; Minimum of 6 years with MS/MA; Minimum of 3 years with PhD
• Bachelor's degree in Computer Science, Engineering, or related technical discipline; or equivalent experience
• Must be able to obtain and maintain a Public Trust
• U.S. Citizenship required
• Extensive experience in native iOS development using Swift
• Extensive experience in native Android development using Kotlin/Java
• Hands-on experience integrating Okta Identity Engine (OIE) Embedded SDKs into native applications
• Strong understanding of OAuth 2.0, OIDC, PKCE, and secure token management
• Experience implementing FIDO2/WebAuthn, passkeys, and other phishing-resistant authentication methods
• Knowledge of mobile identity enrollment, account recovery, and secure credential storage techniques
• Experience integrating RESTful APIs and enterprise backend identity services
• Familiarity with CAC/PIV, Purebred, and other Federal mobile credentials
• Background in mobile security including OWASP Mobile Top 10, certificate pinning, and TLS
• Experience with CI/CD systems, automated testing, and mobile release management
• Strong troubleshooting skills across authentication flows, SDK integrations, and mobile platforms
• Experience supporting enterprise or Federal mobile authentication solutions
• Knowledge of NIST SP 800‑63 Digital Identity Guidelines
• Understanding of Zero Trust authentication principles
• Experience with Agile development and Git-based workflow
• Experience working directly on Federal identity or cybersecurity programs
• Experience integrating third-party authentication SDKs within regulated environments
• Knowledge of Federal IAM architectures, identity federation, and enterprise identity platforms
• Experience contributing to mobile security documentation, risk assessments, or compliance reviews