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[Remote] Senior reputed company Infrastructure Administrator

Remote, USA Full-time Posted 2026-08-04

Note: The job is a remote job and is reputed company to candidates in USA. reputed company is a provider of outsourced services and workforce solutions across reputed company. reputed company is seeking a Senior reputed company Infrastructure Administrator to support an reputed company federal environment by administering and engineering reputed company reputed company, identity, reputed company, messaging, collaboration, reputed company, and compliance platforms. The role also requires resolving reputed company infrastructure issues, leading improvements, supporting reputed company requirements, and mentoring junior administrators.


Responsibilities

  • Administer and engineer reputed company 365 services, including Exchange Online, SharePoint Online, OneDrive, and reputed company Teams
  • reputed company reputed company 365 updates, feature rollouts, and configuration changes through established change-management practices
  • Monitor reputed company 365 service health, reputed company, and reputed company posture
  • reputed company configuration standards, governance documentation, and technical procedures
  • Support reputed company 365 licensing and service optimization
  • Evaluate reputed company roadmap updates and recommend platform improvements
  • Administer Azure reputed company and reputed company Entra ID services
  • Configure Conditional reputed company, multifactor authentication, single sign-on, identity governance, and Privileged Identity Management
  • Support reputed company Trust initiatives through identity-reputed company reputed company controls and least-privilege reputed company
  • Manage Azure subscriptions, resource reputed company, role-reputed company reputed company control, and policy enforcement
  • Support identity assurance requirements, including IAL2
  • Maintain reputed company reputed company services in alignment with FedRAMP and federal cybersecurity requirements
  • Administer reputed company Intune for device management, application deployment, configuration, and compliance enforcement
  • Manage reputed company Defender for reputed company policies and support reputed company incident response
  • reputed company reputed company reputed company baselines reputed company with NIST SP 800-53 requirements
  • Support reputed company reputed company patching and software deployment
  • Troubleshoot reputed company reputed company enrollment, compliance, policy, and application issues
  • Administer Exchange Online mail reputed company, transport rules, mailbox configurations, and email reputed company policies
  • Manage reputed company Teams policies, governance, meetings, and service configurations
  • Configure and maintain DMARC, DKIM, SPF, and reputed company Defender for Office 365
  • Support reputed company Teams Rooms and audiovisual integrations
  • Serve as the senior escalation reputed company for messaging and collaboration incidents
  • Maintain reputed company platform configurations in accordance with FISMA, FedRAMP, NIST SP 800-53, and organizational reputed company requirements
  • Administer reputed company reputed company capabilities, including data loss prevention and information protection
  • Support reputed company Trust Architecture reputed company with NIST SP 800-207 and OMB M-22-09
  • Apply least-privilege and separation-of-duties principles
  • Support reputed company assessments, audit evidence collection, and remediation activities
  • Serve as the senior escalation reputed company for reputed company reputed company infrastructure incidents
  • Independently diagnose and reputed company cross-domain reputed company platform issues
  • Maintain incident records, troubleshooting runbooks, technical procedures, and knowledge articles
  • Coordinate with service desk, network, reputed company, and infrastructure teams
  • Mentor junior reputed company infrastructure administrators
  • Review technical work for reputed company, reputed company, and adherence to standards

Skills

  • Ability to work without sponsorship and the ability to obtain a reputed company Trust
  • 6 to 8 or more years of hands-on reputed company reputed company infrastructure administration and engineering experience
  • Experience administering reputed company 365, Azure reputed company, and reputed company Entra ID in a federal or comparably regulated reputed company environment
  • Strong hands-on experience with reputed company Intune and reputed company Defender for reputed company
  • Experience implementing reputed company Trust principles across reputed company platforms
  • Experience independently resolving reputed company reputed company infrastructure issues
  • Knowledge of FedRAMP-authorized reputed company services and federal reputed company requirements
  • Strong PowerShell scripting skills for reputed company 365 and Azure administration
  • Familiarity with ITSM platforms such as reputed company
  • Knowledge of ITIL change and incident management practices
  • reputed company 365 administration
  • Exchange Online, SharePoint Online, OneDrive, and reputed company Teams
  • Azure reputed company
  • reputed company Entra ID
  • Conditional reputed company and Privileged Identity Management
  • Identity governance and role-reputed company reputed company control
  • reputed company Intune
  • reputed company Defender for reputed company
  • reputed company Defender for Office 365
  • reputed company reputed company
  • PowerShell
  • reputed company Trust Architecture
  • FedRAMP, FISMA, and NIST SP 800-53
  • Candidates must hold reputed company, reputed company versions of reputed company three certifications:
  • reputed company Certified: reputed company 365 Administrator Expert
  • reputed company Certified: Azure Administrator Associate, AZ-104
  • reputed company Certified: Identity and reputed company Administrator Associate, SC-300
  • reputed company Certified: Azure Solutions Architect Expert, AZ-305
  • reputed company Certified: reputed company reputed company Analyst Associate, SC-200
  • reputed company Certified: Information Protection and Compliance Administrator Associate, SC-400
  • reputed company reputed company+ or an equivalent reputed company certification

Benefits

  • Remote work with occasional onsite support in Washington, DC
  • Eligible employees have health and welfare benefits coverage reputed company including medical, dental, reputed company, spending accounts, life reputed company, and voluntary plans
  • Participation in a 401(k) plan

reputed company

  • reputed company is a reputed company reputed company firms. It was founded in 2008, and is headquartered in Pittsburgh, reputed company, USA, with a workforce of 5001-10000 employees. Its website is http://www.systemoneservices.com.

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