Microsoft System Administrator Senior

Microsoft System Administrator Senior

Job ID: 2618674

Location: Washington, DC, United States

Date Posted: Nov 1, 2026

Category: Information Technology

Subcategory: Sys Administrator

Schedule: Full-Time

Shift: Day Job

Travel: No

Minimum Clearance Required: None

Clearance Level Must Be Able to Obtain: Public Trust

Potential for Remote Work: On-Site

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Job Description

Description

SAIC is seeking a Senior Endpoint Engineer to engineer, secure, and optimize our enterprise endpoint ecosystem. This position will provide critical support in engineering, securing, and optimizing an enterprise endpoint environment consisting of over 22,000 Windows, macOS, and iOS devices managed through MECM and Microsoft Intune in a co-managed configuration.

This individual will play a primary hands-on role in managing our MECM and Intune environments, executing modern management workloads, building PowerShell automation, and maintaining OS deployment and patching standards across Windows, macOS, and iOS devices.

Responsibilities:

• Endpoint Engineering & Administration: Maintain configuration baselines (NIST 800-171) and operational workflows across 22K+ total devices. Handle advanced technical escalations and complex engineering tasks.
• Modern Endpoint Management: Engineer and maintain Intune configuration profiles, compliance policies, Conditional Access/Entra ID integrations, and Apple device management (macOS/iOS) alongside co-managed MECM workloads.
• OS Deployment & Image Engineering: Build and test enterprise OS deployment task sequences, driver packages, BIOS configurations, and application packages with rigorous pre-deployment QA validation.
• Patch Management & Remediation: Execute monthly enterprise patching for Windows and 3rd-party applications, utilizing proactive remediation scripting to hit update compliance targets.
• PowerShell Automation: Develop robust PowerShell scripts, REST API integrations, and tools to automate repetitive engineering tasks and endpoint remediation.
• Cross-Functional Collaboration & Metrics: Collaborate with Security, Identity, and Network teams; participate in CAB change control processes; maintain a CMDB; and build operational dashboards using SQL, SSRS, and Power BI.

Qualifications

Required Qualifications & Technical Skills

• Management Tools: Strong hands-on experience with MECM/SCCM, Microsoft Intune, SQL/Excel, ServiceNow, and Co-Management strategies.
• OS & Hardware Platforms: Practical experience managing Windows workstation and server OS, macOS, and iOS lifecycles.
• Automation: Advanced PowerShell scripting capabilities (REST API usage, remediation scripts, custom tool creation).
• Identity & Security: Solid working knowledge of Entra ID, Conditional Access, and security compliance frameworks (e.g., NIST 800-171).
• Imaging & Deployment: Demonstrated experience creating and troubleshooting OS deployment task sequences, driver updates, and patch rings.
• Reporting & Data: Ability to query SQL databases and build reports using Power BI or SSRS. Ability to parse and review log files and large data sets.
• Collaboration: Experience navigating ITIL change management (CAB) and partnering across security and infrastructure teams.
• Experience with Dell Open Manage Enterprise is a plus.
• Experience Linux/Ansible, and/or Unix experience are a plus
• Must possess a Microsoft Certified Solutions Expert (MCSE) - Server Infrastructure or equivalent.

Target salary range: $100,001 - $140,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

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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