System Admin

Job ID: 112112
Location: Fairfax, VA  [Remote]
Category: Infrastructure
Employment Type: Contract
Date Added: 02/27/2026

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This role involves overseeing the administration, management, and support of an organization's Microsoft 365 (M365) hybrid environment. The position requires ensuring optimal system performance, security, and integration of cloud-based and on-premises M365 services. It is suited for an experienced systems administrator capable of working independently to support end-users and collaborate with cross-functional teams to maintain a secure and efficient hybrid M365 environment.

Responsibilities

  • Administer and manage M365 services including Exchange Online, SharePoint Online, OneDrive, Teams, and other applications.
  • Monitor M365 health, performance, and logs to ensure system stability, security, and compliance.
  • Troubleshoot and resolve issues related to M365 service disruptions, integrations, and hybrid configurations.
  • Configure and maintain mailboxes, including email forwarding, shared mailboxes, and security settings for secure email communication.
  • Maintain and troubleshoot hybrid Exchange environments, ensuring mail flow and directory synchronization are functioning properly.
  • Implement and enforce security policies and best practices within M365, including data loss prevention and compliance controls.
  • Conduct regular security audits and assessments to ensure regulatory and organizational compliance.
  • Provide Tier 3 support for complex M365-related issues and assist end-users with troubleshooting.
  • Develop and deliver training materials and documentation for end-user and IT staff education.
  • Collaborate with IT support teams, vendors, and stakeholders to integrate M365 services and deploy new features in a hybrid environment.

Qualifications

  • Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent experience.
  • Minimum of 3-5 years of experience in M365 administration or similar roles, with proven experience managing hybrid environments.
  • Strong knowledge of Microsoft 365 services, including Exchange Online, SharePoint Online, OneDrive, and Teams.
  • Proficiency in managing hybrid configurations involving Azure AD Connect, Exchange Hybrid, and hybrid mail flow.
  • Experience with Active Directory, Azure Active Directory, and hybrid identity solutions.
  • Familiarity with networking protocols such as DNS, DHCP, TCP/IP.
  • Skills in scripting languages like PowerShell, Python, or equivalent for automation tasks.
  • Knowledge of security principles, best practices, and tools related to M365 security and compliance.
  • Strong customer service, communication, and organizational skills.
  • Ability to work independently, prioritize tasks, and operate effectively within a collaborative team environment.
  • Must be legally authorized to work in the United States without employer sponsorship, now or in the future.
  • Valid security clearance (Secret) required.
  • Certifications such as CompTIA Security+ and ITILv4 Foundations are preferred.

Publishing Pay Range: $40.00 – $45.00 Hourly

This is a fully remote role and can be performed from an approved location.