• Systems Administrator III

    Robert Half Technology (Washington, DC)


    Description

    We are looking for a highly skilled Systems Administrator III to join our team in Washington, District of Columbia. In this long-term contract role, you will play a critical role in maintaining and optimizing IT systems to ensure seamless operations. This position offers the opportunity to work independently while collaborating with experts to develop technical solutions that drive impactful results.

     

    We are seeking a skilled Active Directory / IAM Administrator to support and manage identity and access systems in a secure, high-availability environment. This role is critical to ensuring seamless authentication, authorization, and user lifecycle management across both on-premises and cloud platforms.

    Responsibilities:

    + Administer and manage on-premises Active Directory, including GPOs, Trusts, DNS, and AD Sites and Services

    + Perform user provisioning/de-provisioning with a focus on security best practices

    + Implement and manage ADFS for federated authentication

    + Manage Azure AD, including Azure AD Connect, Conditional Access, and B2C configurations

    + Administer Okta for SSO, MFA, and lifecycle management across internal and third-party applications

    + Develop PowerShell scripts for automation and system management

    + Monitor and maintain the health and performance of AD, Azure AD, and Okta environments

    + Create and maintain documentation for identity systems and processes

     

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    Requirements

    Qualifications:

    + Bachelor’s degree in IT, Cybersecurity, or related field (or equivalent experience)

    + 5+ years of hands-on IAM experience with AD, Azure AD, and Okta

    + Proficiency in PowerShell scripting and IAM protocols (SAML, OAuth, OpenID Connect, LDAP)

    + Strong understanding of RBAC, MFA, and identity security best practices

    + Excellent communication skills and ability to collaborate across teams

    Preferred:

    + Certifications: Microsoft Certified: Azure Solutions Architect, Okta Certified Administrator

    + Experience with SailPoint, Saviynt, or other identity governance tools

    + Familiarity with AWS/GCP IAM services and DevOps integration

     

    Technology Doesn't Change the World, People Do.®

     

    Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

     

    Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more.

     

    All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

     

    • 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use (https://www.roberthalf.com/us/en/terms) .