L3 Senior IT Support Specialist

About Atrium:

Client Overview:

Our client is a leading global organization seeking an experienced L3 Senior IT Support Specialist to provide advanced technical support within a fast-paced, professional corporate environment. The ideal candidate will have experience working in financial services, law firms, or commercial real estate organizations.

Salary/Hourly Rate:

$110k – $120k

Position Overview:

The L3 Senior IT Support Specialist will provide advanced technical support across desktop, endpoint, mobile device, and enterprise application environments. This position requires a technically strong professional who can independently diagnose and resolve complex IT issues, manage escalations, and provide high-quality support to end users and senior leadership. The ideal candidate will bring strong Windows and Apple troubleshooting experience, a background in professional corporate environments, and a demonstrated history of longevity with previous employers. This role is onsite 5 days per week in Midtown Manhattan, with no hybrid or remote flexibility.

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.
• Diagnose and resolve escalated technical issues requiring advanced troubleshooting and root-cause analysis.
• Provide hands-on support for Apple iOS devices, including device configuration, connectivity, and application issues.
• Support mobile device management, endpoint configurations, and security policies.
• Collaborate with internal IT teams to resolve complex technical problems and improve support processes.
• Provide responsive and professional technical support to executive and VIP users as needed.
• Maintain accurate documentation of technical issues, configurations, and resolutions.
• Perform proactive maintenance, software updates, and endpoint troubleshooting.

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

• 5+ years of professional IT support experience, including advanced L2/L3 troubleshooting.
• Experience working within financial services, law firms, or commercial real estate organizations.
• Strong hands-on experience with Windows 11, Microsoft 365, Outlook, Teams, and Zoom.
• Strong experience supporting Apple iPhones, iPads, and iOS environments.
• Advanced hardware, software, endpoint, and mobile device troubleshooting capabilities.
• Experience independently resolving complex technical escalations and performing root-cause analysis.
• Strong communication and interpersonal skills with a polished, professional demeanor.
• Ability to effectively support senior-level employees in a high-demand corporate environment.
• Demonstrated career stability and longevity with previous employers.
• Ability to work onsite in Midtown Manhattan 5 days per week without flexibility.

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

• Experience with Microsoft Intune, Jamf, or other Mobile Device Management (MDM) solutions.
• Previous experience supporting C-suite executives or VIP users.
• Experience with enterprise endpoint management, security configurations, and device deployment.
• Background supporting technology environments within large corporate organizations.
• Experience handling complex escalations requiring advanced technical troubleshooting.

Education Requirements:

• Bachelor’s degree is required.

Benefits:

• Comprehensive benefits package.
• Medical, dental, vision.
• Retirement benefits.
• Paid time off.
• Annual bonus eligibility and more.

Job Wrapping ID: #LI-AJ3

By applying to this job, you agree to receive calls, AI-generated calls, text messages, and/or emails from Atrium and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to opt out on any message you receive. For more details, please review our Terms of Use and Privacy Policy.

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