Senior Specialist, IT Security (Identity & Directory Services Administrator)

Job Title: Senior Specialist IT Security (Identity & Directory Services Administrator)

Job Code:33574

Job Location: Melbourne FL; Rochester NY; Clifton NJ; or Salt Lake City UT

Job Schedule: 9/80: Employees work 9 out of every 14 days totaling 80 hours worked and have every other Friday off

Job Description:

We are seeking an experienced Active Directory (AD) and Entra ID (Azure AD) Administrator to support a large multi-domain multi-tenant multi-national identity environment for a major defense contractor. This role is responsible for designing maintaining and supporting hybrid identity environments ensuring secure authentication authorization and compliance across on-premises and cloud-based systems. The ideal candidate has deep technical expertise in AD and Entra ID strong security awareness proven troubleshooting skills and hands-on experience supporting enterprise-scale identity solutions. If you have the necessary skills join us in our mission to provide innovative and reliable identity solutions.

Essential Functions:

Identity & Directory Services

• Administer maintain and troubleshoot Active Directory Domain Services (AD DS) including users groups computers OU structure GPOs domain controllers and associated Microsoft or third-party applications
• Manage Microsoft Entra ID tenants identities and directory integrations
• Design and support hybrid identity solutions using Entra Connect (formerly AADC) and on-prem identity solutions
• Support identity lifecycle processes (joiners movers leavers)

Security & Access Management

• Implement and manage Conditional Access MFA and identity protection policies
• Configure and maintain Privileged Identity Management (PIM)
• Monitor and respond to identity-related security events and alerts
• Enforce least-privilege access and zero-trust principles

Authentication & Integration

• Support secure authentication mechanisms including Kerberos SAML OAuth and modern authentication
• Integrate Entra ID with SaaS IaaS and on-premises applications
• Manage service principals app registrations and API permissions

Operations & Troubleshooting

• Diagnose and resolve complex identity authentication and replication issues
• Perform routine maintenance health checks and performance tuning
• Support audits compliance requirements and security assessments
• Develop and maintain documentation standards and operational procedures
• Participate in on-call rotation and provide after-hours support as requried

Automation & Improvement

• Automate identity management tasks using PowerShell and Entra ID APIs
• Recommend and implement improvements to security scalability and reliability
• Participate in infrastructure projects migrations and upgrades

Organizational Changes

• Support acquisition divestiture and integration activities.
• Support AD forest/domain migration work and Azure tenant consolidations.

Must be able to obtain a security clearance.

Qualifications:

• Bachelors degree in Information Systems Computer Sciences or an equivalent IT-related degree and a minimum of 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related lieu of a degree minimum of 10 years of prior related experience.
• 6 years of experience supporting Active Directory including advanced expertise in building & maintaining AD domains troubleshooting replication and kerberos authentication issues complex group policy design etc.
• 3 years of Microsoft Entra ID (Azure AD) administration experience including experience in a hybrid environment with responsibility for supporting identity synchronization MFA privileged identity management tenant management conditional access policy creation & modification and setup of identity federation application authentication.
• 2 years of PowerShell experience including creating and modifying scripts for process automation

Preferred Additional Skills:

• Experience supporting Entra ID (Azure AD) in a hybrid environment containing multiple AD domains and multiple cloud tenants.
• Experience migrating identities and objects between AD forests
• Microsoft certifications (e.g. Entra ID Azure Administrator Identity & Access Administrator) are beneficial.
• Willingness to keep data and information strictly confidential.
• Experience in regulated or high-security environments
• Strong problem-solving and troubleshooting skills.

In compliance with pay transparency requirements the salary range for this role in California Massachusetts New Jersey Washington and the Greater D.C Denver or NYC areas is $94000-$175000. The salary range for this role in Colorado state Hawaii Illinois Maryland Minnesota New York state and Vermont is $82500-$153000. This is not a guarantee of compensation or salary as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits including health and disability insurance 401(k) match flexible spending accounts EAP education assistance parental leave paid time off and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire schedule type and the applicability of collective bargaining agreements.

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