Systems Engineer

Science Applications International Corp

FL

JOB DETAILS
SKILLS
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

Benefits: Click here

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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.
COMPANY SIZE
10,000 employees or more
INDUSTRY
Computer/IT Services
FOUNDED
2013
WEBSITE
https://jobs.saic.com/