About Atrium

Overview

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.

Responsibilities

• 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

Qualifications

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

Physical Requirements

• Ability to sit for extended periods of time
• Ability to reliably commute to our NYC office 4 days per week

Education Requirements

• Bachelor’s degree in information technology, Computer Science, or related field (or equivalent practical experience)
• Relevant certifications (e.g., Microsoft Certified: Azure Administrator, CompTIA Security+) preferred

Benefits

Benefits

• Atrium Care Package available upon eligibility (including healthcare plans, discount programs, and paid time off)
• Professional development opportunities
• Inclusive and supportive work culture
• Employee wellness programs
• Retirement savings plan

COMPENSATION

The anticipated base salary range for this position is $80,000-85,000 annually. Actual compensation will be determined based on factors including experience, skills, qualifications, and market considerations.

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As a woman-owned firm, we value diversity. We are an equal opportunity and affirmative action employer and will consider all applications without regard to race, sex (including gender, pregnancy, sexual orientation and gender identity), age, color, religion or creed, national origin or ancestry, veteran status, disability (physical or mental), genetic information, citizenship or any other characteristic protected by law. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Candidates who apply for roles through the Atrium website will be added to our candidate pool and may be considered for additional roles of a similar title. Please contact us to request an accommodation.
EOE/M/F/D/V/SO