Demo

Systems Administrator

Concept Plus, LLC
Fairfax, VA Full Time
POSTED ON 12/30/2025
AVAILABLE BEFORE 1/27/2026
About Concept Plus

Concept Plus is a mission-focused technology solutions provider that transforms IT concepts into impactful solutions for federal agencies. Headquartered in Fairfax, VA, we bring the agility, responsiveness, and customer intimacy of a small business combined with the quality and infrastructure of a larger firm.

Recognized as an award-winning Oracle partner, we have delivered innovative solutions across Defense, Intelligence, Civilian, Health IT, and Tribal sectors. Our highly certified experts build systems that drive efficiency, accelerate modernization, and ensure mission outcomes with certainty.

We offer competitive pay, comprehensive health, dental, and vision insurance, paid life insurance, paid time off, 11 paid holidays, performance bonuses, tuition reimbursement, unlimited training, and the opportunity to thrive in a collaborative, flexible, and innovative environment.

For more information, visit www.conceptplus.com.

About The Role

  • Concept Plus is seeking a highly motivated and detail-oriented Systems Administrator to join our IT Operations team. This role is essential for administering and enhancing our SharePoint Online environment, driving business process automation via the Power Platform, and ensuring continuous adherence to critical industry and government security standards.

What You'll Do

  • SharePoint Administration & M365 Management:
    • Core SharePoint Administration: Manage user access by assigning roles and permissions based on operational needs and security policies.
    • Administer and optimize key components across the Microsoft 365 platform, including managing site collections, security, and feature configuration within SharePoint Online.
    • Collaborate with stakeholders to define requirements, implement updates, and provide documentation for site functionality.
    • Serve as a key escalation point for the IT Help Desk, addressing incidents specific to SharePoint and M365 advanced features.
    • General M365 Administration: Maintain and optimize security configurations, including managing user accounts, groups, and licenses across the broader M365 ecosystem.
    • Administer external sharing policies to secure collaboration and data access.
    • Develop and maintain comprehensive Standard Operating Procedures (SOPs) and governance documentation to support secure and compliant site management, including governing the use, storage, and distribution of sensitive data.
    • Research, implement, and maintain compliance across SharePoint Online and supporting Microsoft platforms, including ensuring compliance with security standards.
    • Assist with compliance-related activities, including internal and external audits and evidence collection using tools like Microsoft Purview.
  • Power Platform Development & Automation:
    • Lead the development and automation of web-based solutions and complex business processes using the Microsoft Power Platform (Power Apps, Power Automate, and Power BI).
    • Design and deploy Power Apps solutions to enhance user interaction and data collection.
    • Administer, maintain, and troubleshoot critical Power Automate workflows that support mission-essential business applications, ensuring reliability and performance.
    • Utilize Power BI for creating reports and dashboards from M365/SharePoint data.
    • Lead the full development lifecycle (design, rigorous testing, and phased deployment) of new solutions within the SharePoint environment.
Qualifications

  • 3-5 years of demonstrated, hands-on experience administering Microsoft 365 in an enterprise environment support the federal government, with a strong focus on SharePoint Online.
  • Previous experience supporting a federal government contractor or the federal government directly.
  • Proven expertise in developing, administering, and integrating solutions using the Microsoft Power Platform (Power Apps, Power Automate, Power BI).
  • Strong understanding of modern security concepts, including least privilege access and conditional access policies.
  • Exceptional written and verbal communication skills, with proven ability to contribute to formal policy writing and technical documentation.
  • Demonstrable ability to read, interpret, and execute technical configurations based on established security control standards (e.g., NIST 800-171 and ISO 27000) preferred.
  • Relevant Microsoft certifications (e.g., SharePoint, Power Platform, or Security Administrator Associate) preferred.
  • Familiarity with the security and governance model of Microsoft Entra ID (formerly Azure AD), Intune, and Purview preferred.
  • Experience with implementing and maintaining AzureDevOps preferred.

Concept Plus is an Affirmative Action/Equal Opportunity Employer. As such, we will give your application full consideration without regard to your race, color, religion, sex, age, national origin, disability, veteran status, sexual orientation, gender identity, or any other classification protected by federal, state, or local law.

Salary.com Estimation for Systems Administrator in Fairfax, VA
$88,973 to $112,897
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