Cybersecurity Engineer enhancing enterprise security posture at GDIT. Designing secure identity controls and managing authentication solutions for Microsoft environments.
Responsibilities
Partner with senior leadership, cloud architects, and cybersecurity teams to design secure identity and authentication controls across Microsoft 365, Azure, and hybrid environments—balancing innovation, resilience, and compliance.
Engineer, implement, and manage Microsoft Entra ID authentication solutions including Conditional Access, MFA, passwordless strategies, identity protections, authentication strength policies, and Zero Trust–aligned guardrails.
Oversee complex authentication and federation integrations including SAML, OAuth/OIDC, Entra ID Application Proxy, certificate-based auth, header-based auth, and legacy protocol reductions or retirements.
Lead modernization efforts including consolidation of authentication methods, migration from legacy identity providers, and the implementation of modern, cloud-native identity protections.
Drive automation of identity lifecycle and authentication management using PowerShell, Graph API, and cloud automation platforms.
Support compliance, audit readiness, and governance reviews via automated reporting, monitoring dashboards, and robust operational documentation.
Troubleshoot identity, MFA, SSO, and application access issues across hybrid AD, Entra ID, and federated authentication platforms—partnering with security operations, service owners, and application teams.
Serve as a subject-matter expert in authentication security, risk reduction, hardening, and alignment with enterprise and regulatory frameworks (Zero Trust, NIST, DoW, ITAR, etc.)
Requirements
10+ years of related experience
Expertise with Conditional Access, modern authentication methods (MFA, passwordless, FIDO2, Windows Hello for Business, device-based auth)
Education: Bachelor's Degree or 4 years of additional experience
Required Skills and Abilities: Automation using PowerShell, Microsoft Graph, or API-based workflows. Microsoft Entra ID Administration, Active Directory Integration
Preferred Skills: Experience designing or supporting federated authentication (SAML, OAuth/OIDC, WS-Fed). Deep troubleshooting skills across hybrid identity stacks (Entra ID, AD, ADFS, Entra Connect). Understanding of Zero Trust principles and cloud authentication security baselines. Familiarity with Okta as an IDP.
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