Sr. IT Systems Administrator I (II)

PJM•Audubon, PA

25d•Hybrid

About The Position

We are seeking a skilled Microsoft Systems Administrator to manage, secure, and optimize Windows-based and cloud-integrated infrastructure, with a strong emphasis on compliance with NERC CIP standards. The role covers Windows Server, Active Directory, Entra ID, Azure services, Microsoft 365, automation, virtualization, patching, security hardening, and enterprise configuration management across on-premises and cloud platforms. The administrator is expected to support system reliability, regulatory compliance, problem-solving, and continuous improvement.

Requirements

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, including Word, Excel, and PowerPoint.
Experience with security practices for Windows Server, Azure, Entra ID, and Microsoft 365 environments.

Nice To Haves

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 and Entra ID).
Experience with enterprise automation platforms, including PowerShell DSC, MECM, Intune, and Ansible.

Responsibilities

Design, implement, and manage Windows Server infrastructure for high availability, reliability, and performance.
Administer and enhance Active Directory and Entra ID, 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 and compliance configurations.
Implement and maintain Azure services, including Azure AD Connect, Azure Virtual Machines, Azure Backup, Azure Monitor, and role-based access controls.
Automate operations across on-premises and cloud environments using PowerShell, Ansible, MECM, Intune, and DSC, including 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 Hyper-V and VMware virtualization platforms, including performance, resource allocation, and high availability.
Manage virtual machine lifecycles, including 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-premises and cloud platforms.
Maintain system configuration and procedure documentation and compliance evidence for audits and regulatory obligations.
Collaborate with cross-functional teams on application deployments, cloud integrations, virtualization strategy, and infrastructure modernization initiatives.