L3 Senior IT Support Specialist

Atrium Staffing LLC; New York (NY); On-site; USD 115,000 - 135,000; Full time

Benefits offered by this job

Medical, Dental, Vision

401(k) with employer matching

Wellness benefits

Paid time off

Annual bonus

Job summary

Atrium Staffing LLC is seeking an L3 Senior IT Support Specialist in New York to deliver advanced support across desktop, endpoint, and enterprise apps for end users and executives.

Ideal candidates will have 5+ years of IT support experience, strong Windows 11 and M365 expertise, and hands-on Apple device proficiency. On-site presence required, with a comprehensive benefits package and annual bonus potential.

Qualifications

• 5+ years of professional IT support experience.
• Strong L2/L3 troubleshooting experience.
• Strong Windows 11 and Microsoft 365 support experience.
• Hands-on experience supporting iPhones and iPads.
• Experience with Outlook, Teams, Zoom, and other enterprise apps.
• Excellent communication and interpersonal skills.
• Ability to support senior-level users onsite.
• Demonstrated stability and tenure.

Responsibilities

• Provide advanced L2/L3 technical support for end users and senior leadership.
• Troubleshoot complex hardware, software, OS, endpoint, and application issues.
• Support Windows 11, Microsoft 365, Outlook, Teams, Zoom, and other enterprise apps.
• Configure, maintain, and troubleshoot laptops, desktops, iPhones, and iPads.
• Provide advanced support for Apple iOS devices.
• Manage mobile device configurations and enterprise endpoint settings.
• Escalate and resolve issues beyond standard support channels.
• Collaborate with IT teams to resolve complex problems.
• Support executive and VIP users as needed.
• Perform system maintenance and documentation of issues and resolutions.

Job description

Client Overview:

Our client is a leading global organization seeking a technically strong L3 Senior IT Support Specialist to provide advanced support within a fast-paced, professional corporate environment. This position will work with end users and senior-level employees while handling complex technical issues and escalations.

Salary/Hourly Rate:

$115k - $135k base salary + annual bonus

Position Overview:

The L3 Senior IT Support Specialist will provide advanced technical support across desktop, endpoint, mobile device, and enterprise application environments. This role is ideal for someone with strong hands-on troubleshooting skills who can independently diagnose and resolve complex technical issues.

While experience supporting executives or VIP users is valuable, the primary focus of this position is strong technical depth and advanced IT support capabilities.

Responsibilities of the L3 Senior IT Support Specialist:

• Provide advanced L2/L3 technical support for end users and senior leadership.
• Troubleshoot complex hardware, software, operating system, endpoint, and application issues.
• Support Windows 11, Microsoft 365, Outlook, Teams, Zoom, and other enterprise applications.
• Configure, maintain, and troubleshoot laptops, desktops, iPhones, and iPads.
• Provide advanced support for Apple iOS devices.
• Support mobile device management and enterprise endpoint configurations.
• Diagnose and resolve escalated issues that cannot be resolved through standard support channels.
• Collaborate with internal IT teams to troubleshoot and resolve complex technical problems.
• Provide technical support to executive and VIP users as needed.
• Perform device configuration, software updates, and proactive system maintenance.
• Maintain documentation of technical issues, configurations, and resolutions.
• Deliver responsive, professional support within a high-demand corporate environment.

Required Experience/Skills for the L3 Senior IT Support Specialist:

• 5+ years of professional IT support experience.
• Strong L2/L3 troubleshooting experience.
• Strong Windows 11 and Microsoft 365 support experience.
• Solid hands-on experience supporting iPhones, iPads, and Apple iOS.
• Experience supporting Outlook, Teams, Zoom, and other enterprise productivity applications.
• Strong hardware, software, endpoint, and mobile device troubleshooting skills.
• Excellent communication and interpersonal skills.
• Professional and polished presentation.
• Ability to effectively support senior-level users.
• Demonstrated stability and consistent tenure throughout career history.
• Ability to work onsite 5 days per week.

Preferred Experience/Skills for the L3 Senior IT Support Specialist:

• Intune and/or Mobile Device Management (MDM) experience.
• Previous executive or VIP IT support experience.
• Experience working within a large corporate environment.
• Experience with enterprise endpoint management and security configurations.
• Experience handling complex escalations in an L3 support capacity.

Education Requirements:

• Bachelor’s degree required.

Benefits:

• Comprehensive benefits package including medical, dental, and vision insurance, life and disability insurance, 401(k) with employer matching contributions, wellness benefits, paid time off, and eligibility for an annual bonus.