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Senior Windows Administrator

Job in Rensselaer, Rensselaer County, New York, 12144, USA
Listing for: New York Independent System Operator
Full Time position
Listed on 2026-08-19
Job specializations:
  • IT/Tech
    Systems Administrator, Cybersecurity, Systems Engineer, IT Support
Job Description & How to Apply Below
Location: Rensselaer

The New York Independent System Operator (NYISO) manages the efficient flow of electricity on more than 11,000 circuit-miles of high-voltage transmission lines, dispatching power from hundreds of generating units across the state.

The New York Independent System Operator (NYISO) applies cutting-edge technology to operating a reliable electricity system, managing competitive markets for wholesale electricity, and planning for the Empire State's energy future. The NYISO's Information Technology department invites applications for a full-time Senior Windows Administrator to join our team.

The Senior Windows Administrator architects, manages and administers large, multi-site and cloud, Microsoft server and client environments; responsible for system architecture, design and implementation; operating system, firmware and software package creation and installation, upgrades, patching, system integrity, security, disaster recovery, and performance; creates, maintains, and adheres to Windows team administration and user standards and procedures; leads or participates on project teams and collaborates with application developers and infrastructure peers as necessary;

performs backup and restoration procedures; leads and/or supports audit efforts and ensures compliance with corporate and regulatory standards; mentors and trains associate and Windows administrators; provides expertise in strategic IT planning; establishes and maintains working relationships with IT partners, business customers, and vendors; creates and maintains technical documentation.

ESSENTIAL DUTIES and RESPONSIBILITIES
  • Performs advanced and/or highly complex work with minimal or no supervision. Establishes work plan for department based on organizational goals; sets independent objectives to accomplish specific tasks supporting the larger plan.
  • Leads functional or virtual departmental or inter-departmental teams and demonstrates accountability for completion of team-wide objectives. Acts as key contributor and represents team for larger organizational teams; regularly interacts with peer departments, business partners, market participants, vendors, and other external constituents.
  • Demonstrates the highest proficiency with assigned technology platforms and disciplines; has broad knowledge of ancillary information technologies, methodologies and platforms. Has broad knowledge of IT service management, governance, continuity, financial, project, and lifecycle management. Has basic understanding of the energy vertical, energy markets, the electric industry, and the NYISO's business & operations.
  • Represents the organization to external entities. May speak or present at external conferences and seminars or write papers and formal correspondence on behalf of the NYISO.
  • Creates, installs, patches and upgrades Microsoft and VMware operating systems, hardware platforms, and server/client software packages.
  • Performs on-going performance tuning, system infrastructure assessment (i.e. Hardware, software), and resource optimization. Architects, tests, implements and supports system architectures and configurations, and system management technologies. This includes physical and virtual technologies.
  • Architects, tests, implements and supports automation of infrastructure provisioning and management.
  • Leads and participates in capacity planning and system lifecycle management.
  • In partnership with other subject matter experts and our Business Continuity department, design, test and implement complex solutions that support high availability and inter-site and intra-site fail over capabilities. This includes a monthly review of recovery plans and yearly testing for cyber infrastructure protection (CIP) assets. Provisions and controls user permissions and privileges with strict adherence to access guidelines following SOC1 and CIP standards.
  • Due to the significance of the industry and the organization's role within it, a rigorous change management process must be adhered to in order to minimize risks to the computing environment. Must demonstrate adherence to these processes. Subject matter experts are expected to champion their changes from initiation through deployment.
  • Provides technical support to software development, infrastructure, IT operations, and inter-departmental teams.
  • Communicates regularly with software development, infrastructure, and operational staff to ensure system integrity and security.
  • Designs and maintains Microsoft systems (i.e. Azure Active Directory tenant, Microsoft Windows OS, Exchange, SharePoint, M365, Azure Virtual Desktop), in addition to ancillary applications, adhere to all established NYISO and regulatory (i.e., NERC CIP, SOC1) standards. Requires ability to interpret and follow complex policies and procedures. Per compliance policies: maintain up to date written documentation, perform prescribed recovery tests, complete required paperwork and attestations.

    Subject matter expert is held accountable for adherence to these standards. Manages data…
Position Requirements
10+ Years work experience
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