L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.
L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Job Title: Specialist, IT Security (Identity & Directory Services Administrator)
Job Code: 42768
Job Location: (On Site) Melbourne, FL
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 supporting hybrid identity environments, including secure authentication, authorization, and compliance across on-premises and cloud-based systems. The ideal candidate has recent 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
- Support Microsoft Entra ID tenants, identities, and directory integrations
- Support hybrid identity solutions using Entra Connect (formerly AADC) and on-prem identity solutions
- Support identity lifecycle processes (joiners, movers, leavers)
Security & Access Management- Work with Conditional Access, MFA, and identity protection policies
- Monitor and respond to identity-related security events and alerts
- Understanding of least-privilege access and zero-trust principles
Authentication & Integration- Support secure authentication mechanisms including Kerberos, SAML, OAuth, and modern authentication
- Configure Entra ID with SaaS, IaaS, and on-premises applications
- Manage service principals, app registrations, and API permissions
Operations & Troubleshooting- Diagnose and resolve 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:- Bachelor's degree in Information Systems, Computer Sciences, or an equivalent IT-related degree and a minimum of 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience.
- 3+ years of experience supporting Active Directory, including building & maintaining AD domain controllers, troubleshooting replication and authentication issues, working with group policies, etc.
- 2+ 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.
- 1+ years of PowerShell experience, including creating and modifying scripts for process automation
Preferred Additional Skills:- 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 $84,000-$156,000. The salary range for this role in Colorado state, Hawaii, Illinois, Maryland, Minnesota, New York state, and Vermont is $73,000-$135,000. 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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L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.
Please be aware many of our positions require the ability to obtain a security clearance. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.
By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.
L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish . For information regarding your Right To Work, please click here for English or Spanish .
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