Application & Systems Support (Level III)

Mandelbaum Barrett PCRoseland, NJ
$65,000 - $75,000Hybrid

About The Position

We are seeking a skilled IT Application & Systems Support (Level III) professional to join our law firm in Roseland, NJ. This role is designed for an experienced support technician who combines hands-on technical troubleshooting with systems administration responsibilities. The ideal candidate is a team player who enjoys working directly with employees, onboarding new technologies, and augmenting department workflows to increase productivity. This role will support the firm’s technology stack across applications, identity management, networking, firewalls, switches, and endpoint systems, ensuring stability, security, and efficiency across all offices and remote environments.

Requirements

  • 3+ years of experience in IT support, systems administration, or infrastructure support.
  • Strong knowledge of Windows environments, Active Directory, and Microsoft 365 administration.
  • Proficiency in Microsoft 365 collaboration tools.
  • Experience supporting network infrastructure including TCP/IP, DNS, DHCP, VPN, and wireless.
  • Experience managing endpoint fleets and patch management systems.
  • Experience managing print servers and enterprise printing environments.
  • Experience with scripting or automation tools such as PowerShell or Python.
  • Understanding of identity management, endpoint protection, and security practices.
  • Strong troubleshooting and analytical skills.
  • Excellent communication skills and ability to support non-technical users.

Nice To Haves

  • Bachelor’s degree in IT, Computer Science, or related field preferred.
  • Industry certification such as Network+, Security+, Microsoft SC-200, MD-102, and CCNA preferred
  • Experience with networking and security solutions from Cisco, Aruba, Ruckus, Juniper, Meraki, Fortinet, and/or Palo Alto Networks is preferred.

Responsibilities

  • Provide exceptional technical support via phone, email, and in-person assistance to employees.
  • Administer Active Directory and Azure AD / Entra ID including group policies.
  • Manage user accounts, permissions, and role-based access controls.
  • Deploy, manage, and troubleshoot switch, access point, and firewall infrastructure.
  • Deliver remote and on-site assistance to users to enhance productivity.
  • Support business applications used by legal teams including Microsoft 365 and document management systems.
  • Support Microsoft 365 administration including Exchange Online, Teams, SharePoint, and OneDrive.
  • Troubleshoot network issues including DNS, DHCP, VPNs, and wireless networking.
  • Support and maintain print servers and enterprise printing environments.
  • Manage patch deployment across the firm’s fleet of desktops, laptops, and mobile devices.
  • Maintain IT documentation and configurations.
  • Track support requests through the ticketing system and ensure SLA compliance.
  • Coordinate with vendors for escalation and issue resolution.
  • Audit and augment departmental workflows via automation and new technologies.
  • Assist with system upgrades, infrastructure improvements, and new technology deployments.
  • Support implementation of security best practices and vulnerability remediation.
  • Travel to external locations as necessary to provide on-site support.
  • Be available for on-call support during nights, weekends, and holidays as needed.

Benefits

  • medical
  • dental
  • vision
  • life and disability insurance
  • a 401 (k) retirement plan
  • paid time off
  • access to additional voluntary programs
  • discretionary year-end bonuses
  • merit-based increase
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service