Best Practices, DevOps, Emerging Technology, Financial Control, High Availability, IAT - Information Assurance Technical, Information Technology & Information Systems, Mentoring, Microsoft Active Directory, Microsoft Product Family, Microsoft Windows Azure, Microsoft Windows Operating System, Microsoft Windows Server, Network Security, People Management, Professional Services, Red Hat Linux Operating System, Remote Access, Replication and Remote Mirroring, Security Clearance, Sensitive Compartmented Information (SCI), Systems Administration/Management, Systems Engineering, Technical Support, Top Secret Clearance, VMWare Certified Professional (VCP), Work From Home
LOCATION
FL
POSTED
10 days ago
Systems Engineer
Job ID: 2614484
Location: MacDill AFB, FL, United States
Date Posted: Jul 14, 2026
Category: Engineering and Sciences
Subcategory: Systems Engineer
Schedule: Full-Time
Shift: Day Job
Travel: Yes - 10% of the time
Minimum Clearance Required: TS/SCI
Clearance Level Must Be Able to Obtain: None
Potential for Remote Work: On-Site
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Job Description
Description
The Senior Systems Engineer in Directory Services is tasked with providing expert-level support and strategic oversight in accordance with the SIE OPORD.
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).
Qualifications
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
Overview
SAIC accepts applications on an ongoing basis and there is no deadline.
SAIC is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.
We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.
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About the Company
S
Science Applications International Corp
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. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.
We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.