Infrastructure Administrator Network PC Phone Administration

Benefits

• Competitive salary
• Opportunity for advancement
• Training & development

Job Title:

Infrastructure Administrator (Network, PC & Phone Administration)

Location:

100% On-site – Hawthorne, NY

Experience:

5+ Years

Environment:
Small to Mid-Sized Site

On-site, hands‑on ownership of IT infrastructure and end-user support in a stable, well-defined environment

Broad technical exposure across networking, desktops, phones, and peripherals with high visibility and impact

Execution‑driven role ideal for professionals who enjoy troubleshooting, resolving issues, and keeping systems running smoothly

Opportunity to be the primary infrastructure expert for a close-knit user base

Direct interaction with internal users, enabling faster decision‑making and issue resolution

We are seeking a hands‑on Infrastructure Administrator to manage and support day‑to‑day network operations and end‑user computing within a professional on‑site environment. This role is operational and execution‑focused, not an architecture or design position.

The ideal candidate thrives in a small to mid‑sized setup, enjoys working directly with internal teams, and takes ownership of infrastructure stability, performance, and user satisfaction. You will play a key role in ensuring reliable connectivity, system availability, and responsive IT support across the organization.

• Administer, monitor, and troubleshoot Cisco switches and routers
• Diagnose and resolve network connectivity, latency, and performance issues
• Maintain and support LAN/WAN environments, including switching and routing
• Ensure network availability, stability, and adherence to basic security best practices

• Provide hands‑on PC and desktop support (hardware, operating systems, and applications)
• Support end‑user devices including desktops, laptops, phones, printers, and peripherals
• Troubleshoot Windows OS issues, software installations, updates, and system performance
• Act as primary on‑site IT support for daily technical issues

• Assist with user onboarding and offboarding, including account setup, device provisioning, and access management
• Provide responsive day‑to‑day IT support for approximately 65–70 internal users
• Document issues, resolutions, and standard operating procedures as required
• Communicate clearly with users to understand issues and deliver timely solutions

• 5+ years of hands‑on experience supporting Cisco networking environments
• Strong experience in PC/desktop administration and troubleshooting
• Solid understanding of LAN/WAN concepts, switching, routing, and TCP/IP
• Proven experience supporting 50+ users in an on‑site business environment
• Strong problem‑solving skills with a practical, execution‑oriented mindset
• Excellent communication skills and a service‑oriented approach

• 100% on‑site role (no remote or hybrid)
• Hands‑on, operational IT support position
• Small to mid‑sized environment with direct ownership and accountability