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:
3 + years of related experience
US Citizenship Required:
Yes

Job Description:

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 DoD ICAM mission by helping design, integrate, operate, and maintain enterprise Identity Provider services that provide secure authentication and federation for more than 4 million DoD enterprise identities.

This is a fully remote position.

Key Responsibilities

• Support the design, configuration, and sustainment of enterprise Identity Provider (IdP) services used by millions of DoD 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.

Basic Qualifications

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

Required Skills & Knowledge

• Minimum 3 years of experience supporting Identity and Access Management (IAM), Authentication, Federation, or ICAM-related technologies.
• Experience supporting or implementing Microsoft ADFS in enterprise environments.
• Strong understanding of authentication, authorization, and federation concepts.
• Familiarity with SAML, OAuth, OIDC, WS-Federation, and related identity technologies.
• Experience with PKI, certificate-based authentication, smart cards, or MFA.
• Experience supporting application or API integrations with identity/federation platforms.
• Familiarity with Active Directory, LDAP, and enterprise identity repositories.
• Ability to configure or support claims rules, attribute mappings, or token policies.
• Experience working with Windows or Linux server environments.
• Ability to document technical findings and communicate effectively.
• Self-starter with a desire to learn and grow in enterprise identity operations.

Desired Skills & Knowledge

• Experience with ADFS farms, Web Application Proxy (WAP), load balancers, or disaster recovery setups.
• Exposure to modern identity platforms such as Microsoft Entra ID, PingFederate, PingAccess, Okta, or Keycloak.
• Familiarity with DoD ICAM or federation initiatives.
• Understanding of NIST 800-63 Identity Assurance models.
• Exposure to phishing-resistant authentication or passwordless technologies.
• Experience supporting Zero Trust concepts.
• Basic PowerShell scripting for ADFS or identity operations.
• Experience with monitoring, performance tuning, or troubleshooting authentication issues at scale.
• Familiarity with PKI/certificate services, CAC authentication, or DoD credentialing.
• Awareness of container technologies (Docker, Kubernetes).

The likely salary range for this position is $140,250 - $189,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:
40

Travel Required:
Less than 10%

Telecommuting Options:
Remote

Work Location:
USA VA Falls Church

Additional Work Locations:
Any Location / Remote

Total Rewards at GDIT:
Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. GDIT typically provides new employees with 15 days of paid leave per calendar year to be used for vacations, personal business, and illness and an additional 10 paid holidays per year. Paid leave and paid holidays are prorated based on the employee's date of hire. The GDIT Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process:
As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

Join our Talent Community to stay up to date on our career opportunities and events at
gdit.com/tc.