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Donnelly & Moore Corporation

ON PREM Senior Windows Administrator

New York, NYFull-timeSeniorCompetitiveMay 7, 2026
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Job Description

Our Utility Client in the Bronx, NY is looking for a 12+month HYBRID Windows Administrator contractor to come onsite 2-3 days a week. Must be strong with AD, VMWare, Windows, SQL Server and Power

Shell.

Interview Process: MS Teams and then 2nd round FTF interview. MUST BE LOCAL CANDIDATE

TECHNICAL SKILLS

Must Have

  • Active Directory

  • maintenance of VMware and Windows systems

  • Windows Server management

About the Role:

We are seeking a skilled and experienced Windows System Administrator to join our contract IT team. The ideal candidate will have 5–7 years of hands-on experience managing Windows environments and a strong understanding of SQL databases. The selected candidate will be responsible for maintaining, securing, and optimizing our Windows-based infrastructure and supporting SQL systems that are critical to business operations.

Key Responsibilities:

  • Administer, maintain, and optimize Windows Server environments (2016/2019/2022).

  • Manage Active Directory, Group Policy, DNS, DHCP, and Windows patching. Monitor system performance and troubleshoot hardware, software, and network issues. Implement, support and maintain backup/recovery solutions and disaster recovery plans. Install, configure, and maintain SQL Server environments. Write and optimize SQL queries and scripts for system automation and reporting.

  • Collaborate with development and application teams to ensure system compatibility and performance.

  • Collaborate with customers, adjacent technical teams and all level of management to address systems issues.

  • Maintain security best practices, including system hardening and vulnerability management.

  • Produce documentation for system configurations, procedures, and change controls.

Qualifications:

  • 5–7 years of experience in Windows system administration in mid to large-scale environments.

  • Strong experience with Microsoft SQL Server (installation, maintenance, scripting, performance tuning).

  • Proficiency in Power

Shell scripting for automation.

  • Higher level of familiarity with virtualization technologies (VMware, Hyper-V and Nutanix).

  • Understanding of network fundamentals (TCP/IP, firewalls, VPNs).

  • Knowledge of ITIL practices and change management processes is a plus.

  • Excellent troubleshooting and analytical skills.

  • Strong communication and collaboration abilities.

  • Detail Oriented

  • Customer Outcome Focused

  • Customer Engagement

Preferred Certifications

Microsoft Certified: Windows Hybrid Server Administrator

Microsoft Certified: Administrator Associate

CompTIA Security+ or equivalent

Preferred Education

Bachelors Degree

Verified Listing

This role has been verified for authenticity, market-rate compensation, and remote eligibility.

Apply now

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ON PREM Senior Windows Administrator at Donnelly & Moore Corporation | Recruit Myself