Senior Microsoft Systems Administrator

• Serve as the senior technical escalation point for complex system issues.
• Manage and maintain the Microsoft-based infrastructure including servers, networks, and applications.
• Ensures 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.
• Providing technical expertise and ensuring 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.
• Performing regular updates, backups, and troubleshooting to ensure systems run smoothly, securely, and availability.
• Participate in security and compliance assessments 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.
• Collaborating with stakeholders to support various projects and initiatives.
• Provide technical leadership and guidance to junior staff, helping to develop their skills and knowledge.

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., * Must be able to obtain and maintain a Public Trust 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 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.

• Preferred certifications may include Microsoft Certified: Azure Administrator, CompTIA Network+, or VMware Certified Professional.

• Customer service driven.

• Excellent written and verbal communication skills.

• Must be detail oriented.