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Systems Engineer

SAIC
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Tampa, FL, USA
Aug 25, 2026

The Senior Systems Engineer in Directory Services is tasked with providing expert-level support and strategic oversight in accordance with the SIE OPORD. 

Note: Possible shifts are 6AM-2PM or 2PM-11PM.

Duties include but are not limited to:

  • Lead the integration of Active Directory infrastructure with network, security, messaging, remote access, and virtual environments to ensure seamless functionality.
  • Develop and enforce best practices for Windows infrastructure support.
  • Oversee the entire life-cycle of critical IT services, including planning, deployment, and maintenance.
  • Architect and administer RBAC permissions within a multi-tenant enterprise environment.
  • Provide guidance and mentorship to Directory Service administrators, imparting essential knowledge to bolster the SIE.
  • Drive innovation and the adoption of new technologies to augment the SIE's mission readiness.
  • Manage a geographically dispersed array of sites with multiple domain controllers across various networks, ensuring high availability and resilience.
  • Position may require shift and weekend work.

Required Qualifications:

  • A DoW security clearance at the TS/SCI level.
  • DoW 8570 IAT II Certification.
  • Must be with DoW 8140 compliant under the Work Role Code 451  - Systems Administrator Intermediate - Intermediate level or higher by 1 Oct 26.
  • Mastery of system engineering processes and techniques.
  • Experience with Active Directory delegation and security models,
  • Demonstrated expertise in Microsoft Windows Server 2016/2019/2022 and related client products.
  • Extensive experience in designing and deploying Active Directory, Domain Controller Management, DFS, and RBAC in large-scale environments (exceeding 80K users).

Highly Desired Qualifications:

  • VMware Certified Professional (VCP) OR. 
  • Microsoft Certified Expert related to candidate's work area OR.
  • Nutanix Certified Advanced Professional OR.
  • Microsoft 365 Certified Enterprise Administration Expert OR.
  • Azure Solutions Architect OR.
  • Azure DevOps Engineer.
  • Experience in an Enterprise Environment is crucial.
  • Expertise in designing, maintaining, and managing Domain/Forest trusts and Directory/Forest/Domain replication.
  • Experience in constructing, promoting, and managing multiple Domain controllers.
  • Experience in Linux Redhat.

Years of Experience (YOE):

  • Minimum 12 years with HS degree, 10 years with AS/AA degree, 8 years with BS/BA, 6 years with MS/MA, or 3 years with PhD.

Job ID

2614484|loc2

Security Clearance

TS/SCI
About SAIC

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions.

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