Level 3 Field Engineer

Herb Olitsky Consulting Inc

Senior Field Engineer serving as escalation point for complex IT issues across environments. Collaborating on infrastructure work in the New York/New Jersey area; travel may be required.

Posted 6/17/2026full-timeBrooklyn • New Jersey, New York • 🇺🇸 United StatesSeniorLeadWebsite

Tech Stack

Tools & technologies

AzureCloudDNSFirewallsLinuxSwitching

About the role

Key responsibilities & impact

Serve as a senior escalation point for issues unresolved by L1/L2 technicians - both remote and on-site.
Troubleshoot and resolve advanced problems across servers, networks, endpoints, and liaise with software applications.
Engage vendors when necessary; own the issue through to resolution regardless of path.
Collaborate with the wider team. Reaching out, asking, and answering to get issues solved quickly.
Lead and participate in networking deployments, hardware replacements, and production cutovers (in live environments).
Deploy and support networking environments of all shapes and sizes, including non-standardized setups (across multiple vendors of switching, wireless, routing, and firewalls).
Walk into unfamiliar client sites with minimal context and assess, prioritize, and resolve technical issues.
Handle emergency deployments, infrastructure cutovers, and site relocations.
Assess client network environments during site walkthroughs. Identify switch consolidation opportunities, recommend equipment placement, (VLAN improvements,) and propose practical upgrades with confidence.
Administer Windows Server environments, virtualization platforms, and cloud infrastructure.

Requirements

What you’ll need

7+ years in IT support, including at least 3 years in a Level 3 or senior engineer role.
Prior MSP or multi-client environment experience strongly preferred.
Hands-on experience with server/workstation hardware, cabling, and on-site troubleshooting.
Strong Windows Server administration experience (exposure to Mac & Linux a plus).
Virtualization: Hyper-V (vSphere).
Microsoft 365, Azure, and Intune (for endpoint and identity management).
Networking: Firewalls, VPNs, VLANs, DNS/DHCP, and best practices.
Comfortable with PowerShell for routine administration.
Comfortable working independently in unfamiliar environments without step-by-step guidance.
Available for last-minute travel, weekends, late nights, holidays, and overtime.
Based in the New York / New Jersey area (Connecticut considered) with reliable vehicle and a valid driver’s license.
Real-world experience setting up, managing, and troubleshooting firewalls, servers, and general networking.
Experience with emergency site support, relocations, or infrastructure cutovers.
A genuine team player who works well with others.

Benefits

Comp & perks

Be available to provide weekend, holiday, and after-hours coverage for urgent incidents and escalations.
This role involves occasional travel for emergency and on-site work, with trips typically lasting 1-5 days.
Overnight travel averages 10–15% and may be required on short notice.
Mentor L1/L2 technicians; provide guidance on escalated issues and best practices.
Maintain thorough, standardized documentation of solutions, client environments, (and processes).

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Windows Server administrationHyper-VvSpherePowerShellnetworkingfirewallsVPNsVLANsDNSDHCP

Soft Skills

problem-solvingcollaborationindependencecommunicationleadershipteamworkadaptabilityprioritizationcustomer serviceemergency response