Systems Administrator

Atrium New York, NY Open
Atrium is looking for Systems Administrator in New York, NY.
This local job opportunity with ID 3898278771 is live since 2026-10-18 14:18:33.
Job Description
The Systems Administrator manages and supports the organization's IT infrastructure, ensuring optimal performance, security, and compliance across multiple systems and environments. This role provides hands-on support for M365, Microsoft and Amazon Public Cloud, network security, endpoint management, and end-user technologies, while delivering high-quality support within defined SLAs. Candidates with prior experience in an MSP (Managed Service Provider) environment supporting multiple clients or systems concurrently are strongly preferred.

  • Provide advanced desktop and end-user support, resolving technical issues across hardware, software, and network systems

  • Administer and maintain M365, Azure, Microsoft and Amazon Public Cloud, and Entra/Intune environments

  • Manage and support firewall network infrastructure, including firewalls and connectivity

  • Support endpoint devices, printers, and AV systems

  • Administer ZTNA, EDR, and AV security solutions to protect endpoints and infrastructure

  • Support vulnerability management processes and remediation efforts

  • Monitor and respond to SOC (Security Operations Center) alerts and incidents

  • Manage SFTP configurations and secure file transfer processes

  • Administer Access Control systems for physical/logical security

  • Utilize RMM tools to monitor, manage, and maintain systems across the environment

  • Log, track, and resolve issues through the ticketing system within SLA timeframes

  • Develop and maintain PowerShell scripts to automate routine tasks and improve efficiency

  • Oversee security and compliance administration across IT systems

  • Train end users in new technologies and best practices

  • Document processes, incidents, and resolutions

  • Collaborate with cross-functional teams to implement IT projects

  • Monitor system performance and proactively address issues

  • Ensure data integrity, backups, and disaster recovery readiness

  • Maintain up-to-date knowledge of emerging IT trends and solutions

Required Experience/Skills


  • 3-5 years of experience in Systems Administration, with exposure to supporting multiple, diverse systems and environments

  • Prior experience working in an MSP (Managed Service Provider) environment strongly preferred

  • Proficiency in desktop support and troubleshooting

  • Hands-on experience administering M365, Azure, and Entra/Intune

  • Experience with Fortinet network equipment and firewall management

  • Familiarity with ZTNA, EDR/AV solutions, and vulnerability management practices

  • Exposure to SOC operations and incident monitoring

  • Working knowledge of SFTP and secure file transfer protocols

  • Experience with RMM platforms and ticketing systems

  • Proficiency in PowerShell and scripting for automation

  • Strong background in security and compliance administration

  • Experience providing IT support and training to end users

  • Ability to meet and exceed SLA requirements

  • Excellent verbal and written communication skills

  • Strong documentation and organizational abilities

Preferred Experience/Skills


  • Advanced scripting/automation experience beyond PowerShell

  • Exposure to enterprise-level security frameworks

  • Familiarity with ITIL or similar service management methodologies

  • Previous work in a multi-site, hybrid, or multi-client (MSP) environment

  • Experience with AV/conferencing system support

read more

Required Skills

My Compatibility Score

Choose Match Score option:

Automatch with LinkedIn
Choose Match Score option:
Automatch with LinkedIn