Sr. IT Systems Administrator ; II

We are seeking a skilled Microsoft Systems Administrator to join our team and play a critical role in managing, securing, and optimizing our Windows‑based and cloud‑integrated infrastructure, with a strong emphasis on compliance with NERC CIP (North American Electric Reliability Corporation Critical Infrastructure Protection) standards. The ideal candidate will have deep experience with Windows Server administration, Active Directory, Entra , Azure services, Microsoft 365, automation (Power Shell and Ansible), virtualization technologies, patching, security hardening, and enterprise configuration management.

This position requires a proactive approach to problem‑solving, system reliability, regulatory compliance, and continuous improvement across both on‑premises and cloud Microsoft platforms.

• Design, implement, and manage Windows Server infrastructure to ensure high availability, reliability, and performance.
• Administer and enhance Active Directory and Entra , including OU structure, Group Policy, identity governance, conditional access, MFA, and privileged access controls.
• Support and manage Microsoft 365 services, including Exchange Online, SharePoint Online, Teams, and security/compliance configurations.
• Implement and maintain Azure services such as Azure AD Connect, Azure Virtual Machines, Azure Backup, Azure Monitor, and role‑based access controls.
• Drive automation across on‑prem and cloud environments using Power Shell, Ansible, MECM, Intune, and DSC, focusing on provisioning, configuration management, compliance enforcement, patching, and operational workflows.
• Develop and maintain automation playbooks and scripts to improve efficiency, reduce manual effort, and ensure consistent system configurations.
• Administer and support virtualization platforms, including Hyper‑V and VMware, ensuring optimal performance, resource allocation, and high availability.
• Manage virtual machine lifecycle operations — provisioning, configuration, snapshots, migrations, performance tuning, and decommissioning.
• Implement security best practices, including system hardening, vulnerability remediation, identity protection, and CIP‑aligned compliance controls.
• Perform patch management and software deployments across Windows and cloud environments in accordance with regulatory and security requirements.
• Monitor system health, analyze logs, and troubleshoot complex issues across on‑prem and cloud platforms to ensure stability and operational continuity.
• Maintain documentation for system configurations, procedures, and compliance evidence to support audits and regulatory obligations.
• Collaborate with cross‑functional teams to support application deployments, cloud integrations, virtualization strategy, and infrastructure modernization initiatives.

• Bachelor of Science in Computer Science, Engineering, or equivalent work experience
• Strong attention to detail and ability to produce high‑quality work products
• Effective verbal and written communication skills
• Experience with quantitative and qualitative analysis
• Proficiency with Microsoft Office Suite (Word, Excel, PowerPoint)
• Experience with security practices for Windows Server, Azure, Entra , and Microsoft 365 environments

• MBA or advanced degree
• Experience with PJM operations, markets, or planning functions
• Experience supporting any PJM Committees
• Familiarity with NERC CIP compliance frameworks, evidence management, and audit preparation
• Experience with hybrid identity environments (Active Directory + Entra )
• Experience with enterprise automation platforms (Power Shell DSC, MECM, Intune, Ansible)