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Senior System Administrator Security Clearance

Job in Beavercreek, Greene County, Ohio, USA
Listing for: HumanIT Solutions LLC
Full Time position
Listed on 2026-02-03
Job specializations:
  • IT/Tech
    Systems Administrator, IT Support
Job Description & How to Apply Below
Position: Senior System Administrator with Security Clearance
WHO WE ARE:

At Human

IT, we are fueled by honesty, integrity, and hard work. Our mission is to confront our clients' most significant IT challenges head-on, providing superior solutions built on cutting-edge cybersecurity standards, advanced technology concepts, and modern business practices. By doing so, we enable our clients to focus on their core applications and services that drive their business forward. At Human

IT, we recognize and value your skills, experience, and education. Let your new adventure begin today! WHO YOU ARE:
You are a highly motivated Senior System Administrator for a GCC High and AWS Gov Cloud environment, responsible for leading the design, implementation, and ongoing maintenance of a secure, compliant IT ecosystem tailored to government and defense contractor requirements. This role oversees the configuration and management of Microsoft 365 services in Government Community Cloud High (GCC High) and AWS Gov Cloud (US), ensuring adherence to stringent compliance standards such as CMMC Level 2, ISO 27001, ISO 20000, and ISO 9001.
The ideal candidate will manage a team of system administrators, provide responsive and high quality end user support, and maintain operational security while optimizing cloud based tools for efficiency and scalability. This includes troubleshooting user issues, guiding users through secure best practices, and ensuring a seamless technology experience across the organization. The position requires hands on expertise in Azure, Intune, Microsoft Defender, Sentinel, AWS Gov Cloud services, and related technologies to support approximately 250 users in a high security environment.

WHAT YOU WILL DO:

• Compliance and Policy Configuration:
Establish and enforce policies for CMMC Level 2 compliance across both Microsoft and AWS environments, including configuring conditional access policies, licensing assignments, safe links, safe attachments, spam and quarantine policies, Exchange rules, and communication lockdowns.
• Device and Application Management:
Manage Windows Autopilot for device provisioning, handle application installations (including 3rd-party apps) via Intune, and oversee updates and patch management to ensure system integrity.
• Group and Collaboration Management:
Create and manage Microsoft 365 groups, Teams and SharePoint Online.
• Security Monitoring and Logging:
Configure logging in the Microsoft Defender admin portal, monitor logs for anomalies, and maintain records for CMMC L2, ISO 27001, 20000 and ISO 9001 compliance. Set up workbooks in Microsoft Sentinel for advanced threat analytics and compliance reporting. Extend monitoring and logging practices to AWS Gov Cloud using native tools to support CMMC compliance.
• Website and External Management:
Manage the public website, ensuring secure integration with internal systems while maintaining compliance standards.
• Help Desk and Team Leadership:
Establish and oversee an IT help desk portal, manage a small team of system administrators, triage support tickets, and provide escalation support for complex issues.
• End User Support and Training:
Provide responsive, high quality support to approximately 250 users, troubleshoot technical issues across Microsoft 365 and AWS Gov Cloud environments, deliver user guidance on secure best practices, and develop training materials to enhance user adoption and productivity.
• Ongoing Maintenance and Optimization:
Continuously monitor system performance, conduct audits, and implement improvements to the IT infrastructure across both Microsoft and AWS Gov Cloud environments, ensuring high availability, data protection, and user productivity in a regulated environment.
• IT Asset & Inventory Management:
Oversee the full lifecycle of IT hardware assets-including laptops, mobile devices, peripherals, and network equipment-by maintaining accurate inventory records, tracking device assignments, coordinating replacements, and ensuring all assets meet compliance and security requirements WHAT WE REQUIRE:

Minimum Qualifications:



Education:

Bachelor's degree in Information Technology, Computer Science, or a related field



Certifications:

Sec+ or equivalent

• 5+…
Position Requirements
10+ Years work experience
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