Job Description: IT Support Engineer – Tier 3
Location: 180 Maiden Lane, New York, NY 10038
Job Type: Contract
Schedule: Monday–Friday, 8:00 AM–5:00 PM
Work Arrangement: Onsite with travel to remote NYC office locations as required
Rate: $70 to $80 Per Hour
Job Summary
We are seeking a highly experienced Tier 3 IT Support Engineer / Infrastructure Engineer to provide advanced technical support and systems administration across desktop, server, network, cloud, telecommunications, and enterprise infrastructure environments.
The Tier 3 Engineer will serve as a senior escalation point for Tier 1 and Tier 2 teams and will be responsible for diagnosing complex infrastructure issues, administering Windows Server environments, supporting Active Directory and cloud platforms, and implementing technical solutions.
Key Responsibilities
- Provide Tier 3 technical support and serve as the highest-level escalation point for complex technical issues.
- Administer Windows Server environments, including Active Directory, Group Policy, DNS, DHCP, file servers, and print services.
- Troubleshoot complex Windows and macOS endpoint issues.
- Manage workstation imaging, deployment, upgrades, and lifecycle management.
- Administer Microsoft 365 and Azure AD/Entra ID environments.
- Support Google Workspace and other enterprise cloud platforms.
- Troubleshoot and administer network infrastructure, including switches, routers, wireless access points, TCP/IP, DNS, DHCP, and network connectivity.
- Perform network equipment installation, configuration, cabling, and rack-and-stack activities.
- Support virtualization infrastructure such as VMware or similar platforms.
- Administer and troubleshoot MDM solutions, including Workspace ONE/AirWatch.
- Support iOS and Android enterprise mobile environments.
- Troubleshoot and support VoIP and telecommunications systems.
- Coordinate with telecom vendors and carriers such as Verizon.
- Lead complex hardware, software, network, and infrastructure troubleshooting.
- Support conference room technology, AV systems, and office technology infrastructure.
- Participate in office relocations and major technology deployments.
- Identify recurring technical problems and develop permanent solutions.
- Perform root-cause analysis and recommend infrastructure improvements.
- Maintain technical documentation, system configurations, asset records, and support procedures.
- Work with vendors and third-party technology providers.
- Translate business requirements into technical specifications and solutions.
- Mentor and provide technical guidance to Tier 1 and Tier 2 support teams.
- Follow ITIL service management practices and organizational security standards.
- Travel to remote NYC office locations as required.
- Lift and move IT equipment weighing up to 50 lbs.
Required Qualifications
- 7+ years of IT infrastructure, systems administration, or technical support experience.
- Strong Tier 3 troubleshooting and escalation experience.
- Advanced knowledge of Windows Server, Active Directory, Group Policy, DNS, and DHCP.
- Strong Microsoft 365 and Azure AD/Entra ID experience.
- Strong networking knowledge, including switches, routers, wireless, TCP/IP, DNS, DHCP, and cabling.
- Experience with virtualization technologies such as VMware.
- Experience with enterprise MDM solutions such as Workspace ONE/AirWatch.
- Experience supporting VoIP and telecommunications environments.
- Strong hardware, software, server, and infrastructure troubleshooting skills.
- Experience with ITSM platforms such as ServiceDesk Plus, ServiceNow, or similar.
- Strong documentation, analytical, and problem-solving skills.
- Ability to mentor junior technical staff.
- Valid driver's license and ability to travel between NYC locations.
Preferred
- ITIL certification.
- Microsoft certifications such as AZ-104, MD-102, or related certifications.
- CompTIA Network+/Security+.
- VMware certification or hands-on VMware experience.
- Experience working for government/municipal organizations.
- Experience with enterprise network infrastructure.
- Experience with telecom/VoIP vendors and carrier coordination.