System Administrator

DPP Tech is a technology consulting and staffing services company based in the San Francisco Bay Area. We offer benefits, including 401K, sick leave, and medical insurance, and provide direct payroll deposits via Paychex.

We are hiring a Sr Migration/Systems Engineer for our Government client in Livermore, CA. Hybrid/onsite 3-4 days per week. Contract opportunity, with possible Contract to hire.

Looking for candidate to support the migration of authentication integrations from PingFederate to Microsoft Entra across approximately 1,600 production and non production connections.

The ideal candidate should have demonstrated experience with:

• PingFederate-to-Entra migrations.
• Microsoft Entra application registrations, claims, attributes, permissions, policies, and directory synchronization.
• SAML, OAuth, OIDC, LDAP, certificate-based authentication, PIV, and YubiKey.
• RSA authentication assessment and replacement planning.
• Large-scale application integration and migration programs.
• Secure testing, privileged identities, administrative YubiKeys, and access approvals.
• Assess existing PingFederate integrations and identify Entra migration requirements, gaps, risks, and dependencies.
• Develop repeatable migration patterns for SAML, OAuth/OIDC, WebLogic, Spring, Apache, iWeb, and SaaS applications.
• Coordinate with application owners and developers to update, test, and validate integrations.
• Support migration waves through DEV, PRE, and PROD.
• Troubleshoot complex authentication issues, including RSA dependencies, token exchanges, custom SAML, and certificate-based authentication.
• Document current and target architectures, implementation procedures, testing plans, rollback procedures, and lessons learned.

Interested candidates please share your resume contact details to discuss further.