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Senior Microsoft System Administrator Jobs (NOW HIRING)

DPR Construction

Systems Administrator

Austin, TX · On-site

System Administrator DPR Construction is seeking a System Administrator to join our collaborative ... Linux or Microsoft system administration or engineering experience Requirements * Minimum 5 - 7 ...

DPR Construction

Systems Administrator

Charlotte, NC · On-site

System Administrator DPR Construction is seeking a System Administrator to join our collaborative ... Linux or Microsoft system administration or engineering experience Requirements * Minimum 5 - 7 ...

DPR Construction

Systems Administrator

Nashville, TN · On-site

System Administrator DPR Construction is seeking a System Administrator to join our collaborative ... Linux or Microsoft system administration or engineering experience Requirements * Minimum 5 - 7 ...

DPR Construction

Systems Administrator

Dallas, TX · On-site

System Administrator DPR Construction is seeking a System Administrator to join our collaborative ... Linux or Microsoft system administration or engineering experience Requirements * Minimum 5 - 7 ...

DPR Construction

Systems Administrator

Orlando, FL · On-site

System Administrator DPR Construction is seeking a System Administrator to join our collaborative ... Linux or Microsoft system administration or engineering experience Requirements * Minimum 5 - 7 ...

DPR Construction

Systems Administrator

Raleigh, NC · On-site

System Administrator DPR Construction is seeking a System Administrator to join our collaborative ... Linux or Microsoft system administration or engineering experience Requirements * Minimum 5 - 7 ...

DPR Construction

Systems Administrator

Tampa, FL · On-site

System Administrator DPR Construction is seeking a System Administrator to join our collaborative ... Linux or Microsoft system administration or engineering experience Requirements * Minimum 5 - 7 ...

DPR Construction

Systems Administrator

Atlanta, GA

System Administrator DPR Construction is seeking a System Administrator to join our collaborative ... Linux or Microsoft system administration or engineering experience Requirements * Minimum 5 - 7 ...

DPR Construction

Systems Administrator

Tucson, AZ · On-site

System Administrator DPR Construction is seeking a System Administrator to join our collaborative ... Linux or Microsoft system administration or engineering experience Requirements * Minimum 5 - 7 ...

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Senior Microsoft System Administrator information

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How much do senior microsoft system administrator jobs pay per year?

As of Jul 18, 2026, the average yearly pay for senior microsoft system administrator in the United States is $102,229.00, according to ZipRecruiter salary data. Most workers in this role earn between $86,000.00 and $116,500.00 per year, depending on experience, location, and employer.

What are Senior Microsoft System Administrators?

Senior Microsoft System Administrators are IT professionals responsible for managing, configuring, and maintaining Microsoft-based servers and systems within an organization. They oversee the deployment, security, and troubleshooting of Windows Server environments, Active Directory, Exchange, and other Microsoft technologies. These administrators often lead projects, mentor junior staff, and ensure the organization's IT infrastructure is secure, efficient, and up to date. Their role is critical for ensuring business continuity and supporting end users' technical needs.

What are some common challenges faced by Senior Microsoft System Administrators when managing hybrid cloud environments?

Senior Microsoft System Administrators often navigate the complexities of integrating on-premises infrastructure with cloud services like Azure. Key challenges include ensuring seamless authentication and access control, maintaining consistent system security, and managing updates across both environments. Effective communication with networking, security, and development teams is crucial for troubleshooting and optimizing performance. Staying current with evolving Microsoft technologies and best practices is also essential for success in this dynamic role.

What are the key skills and qualifications needed to thrive as a Senior Microsoft System Administrator, and why are they important?

To thrive as a Senior Microsoft System Administrator, you need advanced knowledge of Windows Server environments, Active Directory, and strong problem-solving abilities, usually backed by a relevant degree and several years of experience. Proficiency in tools such as PowerShell, Microsoft 365, Azure, and certifications like Microsoft Certified: Windows Server Hybrid Administrator Associate are highly valued. Exceptional organizational skills, attention to detail, and effective communication set top professionals apart in this role. These skills ensure secure, efficient, and reliable IT infrastructure management critical to business operations.

What is the difference between Senior Microsoft System Administrator vs Microsoft Systems Engineer?

AspectSenior Microsoft System AdministratorMicrosoft Systems Engineer
CertificationsMicrosoft Certified: Windows Server, MCSEMicrosoft Certified: Azure Solutions Architect, MCSE
Work EnvironmentOn-premises data centers, enterprise networksCloud environments, hybrid infrastructures
Primary FocusSystem maintenance, troubleshooting, user supportDesigning, implementing, and managing solutions

The Senior Microsoft System Administrator typically manages on-premises systems and ensures smooth operation of enterprise networks. In contrast, the Microsoft Systems Engineer focuses more on designing and deploying cloud or hybrid solutions. Both roles require similar certifications but differ in their primary responsibilities and work environments.

What cities are hiring for Senior Microsoft System Administrator jobs? Cities with the most Senior Microsoft System Administrator job openings:
What are the most commonly searched types of Microsoft System Administrator jobs? The most popular types of Microsoft System Administrator jobs are:
What states have the most Senior Microsoft System Administrator jobs? States with the most job openings for Senior Microsoft System Administrator jobs include:
Senior Microsoft System Administrator jobs near you
Senior Microsoft 365 Administrator

Senior Microsoft 365 Administrator

Apex Service Partners

Irving, TX

$79K - $108K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 2 days ago

Job description

We do not accept unsolicited resumes or submissions from external recruiting agencies.

Job Description – Senior Microsoft 365 Administrator

Mission of the Role:

The Senior Microsoft 365 Administrator will own, secure, and continuously mature Apex Service Partners’ Microsoft 365 environment delivering a scalable, best-practice SaaS foundation that supports rapid growth and acquisition integration. This role is responsible for hands-on administration and near-architect level design across Intune (6,000 endpoints), Identity (12,000 users), Defender, Exchange, SharePoint, and Teams, while building durable governance, security controls, and operational standards in an evolving IT control landscape.

Partnering closely with a small internal team and a managed ecosystem of MSP/MSSP vendors, this leader will drive modernization through disciplined ITIL-based change management, technical mentorship, and practical execution raising security posture, improving reliability, and enabling the business to scale with confidence.

Responsibilities and Experience:

Job responsibilities include:

Microsoft 365 Platform Ownership

  • Serve as primary owner of the Microsoft 365 tenant across Entra ID, Intune, Defender, Exchange, SharePoint, and Teams.
  • Design and implement scalable architecture aligned to Microsoft best practices.
  • Establish governance standards, configuration baselines, and technical documentation.
  • Develop and execute a roadmap that supports rapid growth and acquisition integration.

Identity, Endpoint, and Security

  • Architect and manage identity services for approximately 12,000 users, including Conditional Access, MFA, RBAC, and lifecycle governance.
  • Own Intune management for approximately 6,000 endpoints, including compliance policies, patching, device configuration, and automation.
  • Lead Microsoft Defender configuration and optimization in partnership with the MSSP.
  • Improve overall security posture through Zero Trust principles, access controls, and continuous hardening.

Collaboration and Messaging

  • Administer and govern Exchange Online, SharePoint Online, and Teams.
  • Establish standards for external sharing, retention, data protection, and collaboration governance.
  • Improve stability, performance, and user experience across communication platforms.

Operational Governance, Leadership, and Vendor Management

  • Operate within an ITIL-based change management framework and maintain audit-ready documentation.
  • Provide technical leadership and mentorship to a small internal team.
  • Serve as senior escalation point for Microsoft 365 engineering issues.
  • Direct and manage MSP and MSSP partners to ensure alignment with security, service, and performance expectations.
  • Drive operational maturity within a fast-growing and evolving IT control environment.

Requisite experiences include:

  • 8+ years of progressive experience administering and engineering Microsoft 365 environments in mid to large scale organizations.
  • Deep hands-on expertise across Entra ID, Intune, Microsoft Defender, Exchange Online, SharePoint Online, and Teams.
  • Experience supporting environments with 5,000+ endpoints and 10,000+ users.
  • Proven success designing Conditional Access, MFA, RBAC, device compliance, and Zero Trust security architectures.
  • Experience operating within an ITIL-based change management framework and building operational governance.
  • Demonstrated ability to lead technical initiatives, mentor small teams, and manage MSP or MSSP partners.

Requirements:

  • Bachelor’s degree in Information Technology, Computer Science, or related field, or equivalent practical experience.
  • Microsoft 365 certification such as Enterprise Administrator Expert, Security Administrator Associate, or Endpoint Administrator Associate.
  • 8+ years of hands-on experience administering and engineering Microsoft 365 environments, including Entra ID, Intune, Defender, Exchange Online, SharePoint, and Teams.

Other:

Location: Tampa, FL or Dallas, TX

Job Type: Full-Time
Reports To: IT Leadership
Compensation: Competitive
Benefits: Medical, dental, and vision coverage; competitive PTO and sick leave; paid holidays; 401(k) with company match


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