Network Engineer – Level III

Core BTS

Level 3 Network Engineer providing advanced technical support and administration for enterprise IT environments. Focused on networking, routing, virtualization, and cloud technologies.

Posted 5/21/2026full-timeRemote • New York • 🇺🇸 United StatesMid-LevelSenior💰 $80,000 - $95,000 per yearWebsite

Tech Stack

Tools & technologies

AzureCloudDNSFirewallsVMware

About the role

Key responsibilities & impact

Provide Tier 3 technical support for complex IT infrastructure and networking issues.
Configure, maintain, and troubleshoot:
Firewalls
Managed switches
Routers
Wireless networking equipment
Support and administer VMware virtual environments and Microsoft Azure cloud infrastructure.
Monitor network performance, security, and system availability.
Assist with server administration, backups, disaster recovery, and system upgrades.
Support and troubleshoot IP and cloud-based phone systems.
Work with vendors and internal teams to resolve escalated technical issues.
Maintain documentation for network configurations, procedures, and systems.
Participate in project planning, deployments, migrations, and infrastructure improvements.

Requirements

What you’ll need

5+ years of IT support or systems/network administration experience.
Strong real-world experience with:
Networking and routing
Firewalls and network security
Managed switches
VMware virtualization
Microsoft Azure
Experience supporting IP/Cloud phone systems.
Strong troubleshooting and problem-solving skills.
Knowledge of Windows Server environments, Active Directory, DNS, DHCP, and VPN technologies.
Excellent communication and customer service skills.
Ability to work independently and manage multiple priorities.
Industry certifications such as:
CompTIA Network+
Cisco CCNA
VMware VCP
Microsoft Azure certifications
Experience in K-12, higher education, or government environments is a plus.

Benefits

Comp & perks

You'll work with a great group of people in a highly collaborative team and results oriented atmosphere
You'll have the opportunity to work in a dynamic and extremely positive environment where there is always the opportunity to challenge your skills and really move the needle
You’ll work with large, sophisticated, and progressive clients throughout North America
We provide a comprehensive benefits program including: **$0 Healthcare option, company contribution to Health Savings Account with enrollment in a qualifying plan, 401(k) plus company match, Professional Development funds, Flexible Time Off (FTO) plus 11 company holidays, 4 weeks Parental/Caregiver Leave, company paid family building/fertility benefits through Progyny, Dental and Vision Insurance, and company paid Life/AD&D, short term and long term disability insurance.**

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

networkingroutingfirewallsnetwork securitymanaged switchesVMware virtualizationMicrosoft AzureIP phone systemscloud phone systemsWindows Server

Soft Skills

troubleshootingproblem-solvingcommunicationcustomer serviceindependencetime management

Certifications

CompTIA Network+Cisco CCNAVMware VCPMicrosoft Azure certifications