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Open nowPosted 10 days ago

Sr. IT Systems Administrator I (II)

pjm21 open roles

Where
Audubon, PA
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Your applicationOpen nowSr. IT Systems Administrator I (II)pjm · Audubon, PA

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The clock on this job

Early applications get read.

12.3% of postings close within 7 days. Measured by our own scanner across the market. pjm postings stay open a median of 21 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.3%7 days
  4. 19.3%14 days
  5. 35.6%30 days
  6. 57.8%60 days
This job: posted 10 days ago

pjm median: 21 days open

The posting

Flexible Work Arrangement: Hybrid - Audubon, PA

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 ID, Azure services, Microsoft 365, automation (PowerShell 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.

Essential Functions:

  • Design, implement, and manage Windows Server infrastructure to ensure 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/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 PowerShell, 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.

Characteristics & Qualifications:

Required

  • 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 ID, and Microsoft 365 environments

Preferred

  • 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 ID)
  • Experience with enterprise automation platforms (PowerShell DSC, MECM, Intune, Ansible)
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