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Microsoft Systems Administrator

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Sparibis

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Location:
United States , Alexandria

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

Location: Alexandria, VA Years’ Experience: 7+ Years of experience Education: Bachelor’s Degree Required Clearance: Applicants must be able to obtain and maintain a Public Trust security clearance. United States Citizenship is required as part of the eligibility criteria to be able to obtain this type of security clearance. Certifications: Preferred certifications may include: Microsoft Certified: Azure Administrator CompTIA Network+, or VMware Certified Professional Key Skills: Serve as the senior technical escalation point for complex system issues. Architect and design enterprise‑grade Windows infrastructure solutions, ensuring alignment with industry best practices, security standards, and organizational requirements. Lead and mentor a team of system administrators, providing technical direction, prioritizing workloads, and driving operational excellence across Windows server environments. Partner closely with clients to assess business needs, design scalable Windows‑based architectures, and collaboratively implement solutions that enhance performance, reliability, and security. Oversee end‑to‑end implementation activities—including planning, configuration, migration, and optimization—while ensuring compliance, documentation quality, and seamless integration with existing systems. Recommend and enforce best‑practice frameworks for Active Directory, Group Policy, virtualization, patch management, and disaster recovery to maintain a robust and resilient infrastructure. Azure DevSecOps experience is desirable.

Job Responsibility:

  • Serve as the senior technical escalation point for complex system issues
  • Manage and maintain the Microsoft-based infrastructure including servers, networks, and applications
  • Ensure the Microsoft infrastructure is scalable, secure, stable, and efficient operation of systems by performing regular updates, backups, and troubleshooting tasks
  • Oversee the deployment, configuration and support of IT systems to ensure optimal performance and security using vSphere, Cloud Service Providers, appliances, etc.
  • Manage and maintain Microsoft-based IT infrastructure, including Windows Server, Windows 11, Entra ID, Active Directory, Intune, Exchange, Office 365, SharePoint, Teams, and Azure
  • Manage software deployment and updates through tools like SCCM and Intune
  • Provide technical expertise and ensure servers, endpoints, and Microsoft services are effectively integrated into overall IT strategy
  • Manage user accounts, permissions, and access controls to ensure system integrity and security
  • Monitor system performance and address issues that arise
  • Implement and maintain monitoring systems for proactive and reactive support
  • Manage Microsoft servers and Azure Cloud Services across multiple availability zones and physical locations
  • Create and maintain code-based automation to build, configure, and manage IT infrastructure (servers, networks, cloud)
  • Lead Infrastructure as Code (IaC) utilizing Terraform, Ansible, CloudFormation or similar technologies
  • Perform regular updates, backups, and troubleshooting to ensure systems run smoothly, securely, and availability
  • Participate in security and compliance assessments and audits
  • Participate in disaster recovery planning and testing to ensure system resilience
  • Manage and maintain M365 Conditional Access Policies
  • Implement and manage security policies to meet baselines, executive directives, and security requirements
  • Deliver unified role-based access across IT services
  • Develop and implement IT policies and procedures to ensure compliance with industry standards and regulatory requirements
  • Develop and maintain documentation for system configurations and procedures
  • Continuously research and evaluate new technologies and trends to recommend improvements and innovations
  • Collaborate with stakeholders to support various projects and initiatives
  • Provide technical leadership and guidance to junior staff, helping to develop their skills and knowledge

Requirements:

  • Applicants must be able to obtain and maintain a Public Trust security clearance. United States Citizenship is required as part of the eligibility criteria to be able to obtain this type of security clearance. 7+ years of professional experience in Systems Administration
  • 3+ years of experience leading IT systems administration, including experience leading or overseeing system infrastructure
  • Bachelor’s degree in information technology or related field or equivalent professional experience
  • Must be able to support onsite work at the Alexandria, VA location as needed
  • Must have experience managing a Microsoft-based infrastructure by overseeing the deployment, migration, configuration, and support of Microsoft technologies such as Windows Server, Entra ID, Active Directory, Intune, Exchange Online, Office 365, SharePoint, Teams, and Azure
  • Windows Task Manager expertise (Cloud computing platforms such as AWS, Microsoft Azure, or Google Cloud Platform)
  • Experience providing end user system support
  • Experience managing and troubleshooting VMware vSphere environments
  • Experience with overseeing on-prem hardware infrastructure (e.g., servers and storage), the on-prem hypervisor environment (e.g., VMWare, vSphere), and CSP infrastructure hosted in Microsoft Azure
  • Experience monitoring the performance of virtual environments and optimizing resource allocation to ensure efficient operation
  • Experience managing software deployment and updates through tools like SCCM and Intune
  • Experience monitoring Microsoft system performance and addressing issues
  • Experience performing regular updates, backups, and troubleshooting to ensure systems run smoothly and securely
  • Must have experience with data center and cloud-based (Azure) deployments
  • Azure DevSecOps experience required
  • Experience with Infrastructure as Code such as Terraform for diagnosing and resolving complex system and network issues
  • Scripting and automation tools experience (JavaScript, Bash, PowerShell, or Perl)
  • Experience with automated server builds
  • Customer service driven
  • Excellent written and verbal communication skills
  • Must be detail oriented

Nice to have:

  • Microsoft Certified: Azure Administrator
  • CompTIA Network+
  • VMware Certified Professional

Additional Information:

Job Posted:
May 16, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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