ICAM Identity Provider; IdP) Engineer - Enterprise Authentication Services

ICAM Identity Provider (IdP) Engineer
- Enterprise Authentication Services Responsibilities for this Position

Location: USA MD Fort Meade

Full Part/Time: Full time

Job Req: RQ228415

Type of Requisition: Regular

Clearance Level Must Currently Possess: Secret

Clearance Level Must Be Able to Obtain: Secret

Public Trust/Other

Required:

None

Job Family: IT Infrastructure and Operations

Job Qualifications:

Skills: Authentication Protocols, Secure Authentication, Single Sign-On (SSO)

Certifications: None

Experience: 5 + years of related experience

US Citizenship

Required:

Yes

ICAM Identity Provider (IdP) Engineer
- Enterprise Authentication Services

GDIT has an opportunity for an Identity Provider (IdP) Engineer supporting a large line of business delivering enterprise-scale Identity, Credential, and Access Management (ICAM) capabilities. This role supports the DoW ICAM mission by helping design, integrate, operate, and maintain enterprise Identity Provider services that provide secure authentication and federation for more than 4 million DoW enterprise identities.

This is an onsite position.

The ideal candidate has at least 5 years of hands‑on experience supporting authentication or identity systems and is eager to grow deeper into enterprise ICAM technologies. Strong foundational skills in Microsoft Active Directory Federation Services (ADFS), authentication protocols, and troubleshooting are essential. This role provides opportunities to work with senior engineers, contribute to mission‑critical authentication services, and expand your technical skillset across large-scale identity platforms.

• Support the design, configuration, and sustainment of enterprise Identity Provider (IdP) services used by millions of DoW users.
• Assist in administering and maintaining Microsoft Active Directory Federation Services (ADFS) infrastructure supporting authentication and federation.
• Help configure federation trust relationships with internal and external Identity Providers (IdPs), Service Providers (SPs), and mission partners.
• Implement and troubleshoot authentication solutions using SAML, OAuth 2.0, OpenID Connect (OIDC), WS-Federation, and certificate‑based authentication.
• Collaborate in onboarding and integrating applications into the authentication and federation ecosystem.
• Help develop and maintain authentication policies, claims rules, attribute mappings, and token issuance configurations.
• Support enterprise Single Sign-On (SSO), Multi‑Factor Authentication (MFA), Conditional Access, and phishing‑resistant authentication mechanisms.
• Work with cybersecurity, Active Directory, cloud, infrastructure, and application teams to deliver secure authentication services.
• Contribute to Zero Trust Architecture objectives through modern authentication and federation capabilities.
• Assist in monitoring, troubleshooting, and resolving authentication, federation, trust, certificate, and token issues.
• Support the development of resilient, highly available authentication services for mission‑critical workloads.
• Help create technical documentation including architecture diagrams, SOPs, integration guides, and operational procedures.
• Participate in Agile development activities and continuous improvement efforts.
• Identify technical risks and contribute to identity modernization initiatives.

• Active Secret Clearance (Interim Secret not allowed).
• Bachelor's degree in a related technical field, or equivalent combination of education, certifications, and experience. BS and 5 yrs (or equivalent)
• DoW 8570/8140 IAT Level II certification (Security+ CE or higher).

• Minimum 3 years of experience supporting Identity and Access Management (IAM),…