Brains Workgroup, Inc.
Brains Workgroup, Inc.Verified Source

Windows Administrator, Active Directory & Messaging

120K–155K
Partially · New York, New York
Posted August 14, 2026
full-time

Overview

Own and operate Windows infrastructure at scale in a major bank environment with hybrid on-site and remote collaboration. Lead configuration, deployment, and ongoing maintenance of Windows servers, AD, and messaging systems to ensure reliability and security. Work with a cross-functional IT team in Midtown Manhattan on 2/3 days in the office.

What You'll Do10

  • 1Lead Windows server administration and patching across multiple domains.
  • 2Design and implement Active Directory strategies, group policy, and user provisioning
  • 3Manage messaging systems and related services to ensure uptime and security
  • 4Collaborate with security teams to enforce access controls and encryption
  • 5Automate repetitive tasks with PowerShell and scripting for operational efficiency
  • 6Troubleshoot complex incidents and provide timely root cause analysis
  • 7Coordinate with network and storage teams for holistically managed infra
  • 8Document configurations, runbooks, and changes for audits and compliance
  • 9Assist with capacity planning and performance tuning of Windows environments
  • 10Participate in on-call rotation and incident response when required

Requirements10

  • 1Senior Windows Administrator with extensive experience in managing Windows servers, AD, and messaging systems
  • 2Strong PowerShell scripting and automation experience
  • 3Solid knowledge of Active Directory design, GPOs, and user provisioning
  • 4Experience with security controls, auditing, and compliance in enterprise Windows environments
  • 5Excellent problem-solving, communication, and collaboration skills
  • 6Ability to work in a hybrid in-office and remote environment in Midtown Manhattan
  • 7Authorized to work for any employer in the US without H1 visa sponsorship
  • 8Sun- or weekend-on-call availability as part of an on-call rotation
  • 9Bachelor's degree in a related field or equivalent work experience
  • 10Prior experience in financial services or large enterprise environments is a plus

Salary Insight

$120 - $155k per year

Location

Typepartially
LocationNew York, New York

Required Skills

PowerShellActive DirectoryMessagingWindows Administration
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