This list contains only the countries for which job offers have been published in the selected language (e.g., in the French version, only job offers written in French are displayed, and in the English version, only those in English).
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)