Senior IT Support Specialist jobs in United States
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ADDA · 1 day ago

Senior IT Support Specialist

ADDA is a fast-growing IT Managed Service Provider known for exceptional client service and a collaborative team culture. They are seeking a Senior IT Support Specialist to resolve advanced technical issues and improve support delivery while building strong client relationships.

Management Consulting
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Growth Opportunities
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H1B Sponsor Likelynote
Hiring Manager
Nichole Waters
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Responsibilities

Serve as a trusted, client-facing technical resource for escalated and complex support needs
Diagnose and resolve issues across Windows, macOS, Linux, Microsoft 365, Google Workspace, and mixed cloud/on-prem environments
Own issues end-to-end including investigation, resolution, documentation, and client communication
Support networking components such as firewalls, switches, VPNs, VLANs, DNS/DHCP, Wi-Fi, and routing
Partner with teammates in a non-tiered support structure that values collaboration and shared ownership
Participate in client projects including migrations, deployments, security initiatives, and system upgrades
Identify recurring issues and recommend automation, tooling improvements, or process changes
Maintain clear, accurate documentation and contribute to internal knowledge resources
Provide onsite support to NYC-area clients as needed

Qualification

Windows ServerMicrosoft 365Networking componentsMacOS with MDMCloud servicesTroubleshooting skillsProactive approachDesire to learnCertificationsCustomer-first mindsetHigh ownership mentality

Required

2–5+ years of experience in an MSP or fast-paced, multi-client IT support environment
Strong troubleshooting skills across systems, networking, cloud services, and security fundamentals
Customer-first mindset with the ability to communicate clearly and calmly with non-technical users
Comfort diagnosing unfamiliar technologies through logic, research, and experimentation
High ownership mentality — you don't pass problems along, you solve them
Proactive approach to improving processes, documentation, and tooling
Desire to keep learning and expanding technical depth

Preferred

Experience with Microsoft 365, Azure AD, Intune
Experience with Google Workspace
Experience with Windows Server, Active Directory, Group Policy
Experience with macOS with MDM solutions such as Jamf or Mosyle
Experience with Meraki, Fortinet, SonicWall
Experience with VLANs, VPNs, Wi-Fi administration
Experience with Endpoint security and EDR tools
Experience with RMM platforms such as NinjaOne or Datto RMM
Experience with PSA tools including ConnectWise or Autotask
Experience with Backup platforms like Datto or Veeam
Certifications (Microsoft, Cisco, CompTIA, etc.) are a plus but not required

Company

ADDA

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ADDA is a consulting firm that offers HR, Payroll, Benefits Administration, and Talent solutions.

H1B Sponsorship

ADDA has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (2)

Funding

Current Stage
Early Stage

Leadership Team

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Adam Daines
Founder & CEO
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Company data provided by crunchbase