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Level 3 Network Engineer Jobs (NOW HIRING)

ADEX

IP Tier 3 Network Engineer

Melbourne, FL · On-site

The Tier 3 network engineer handles the highest level of network escalation tickets and needs to fully understand the network architecture, be calm under pressure, and be very skilled at network ...

ADEX

IP Tier 3 Network Engineer

Melbourne, FL · On-site

The Tier 3 network engineer handles the highest level of network escalation tickets and needs to fully understand the network architecture, be calm under pressure, and be very skilled at network ...

Varite

Network Engineer - Level 3

Fort George G Meade, MD · On-site

$100 - $109.15/hr

At Level 3, this position expects a senior practitioner with 10+ years of relevant network engineering experience who can lead complex and large-scale network projects, mentor junior and mid-level ...

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How much do level 3 network engineer jobs pay per year?

As of May 28, 2026, the average yearly pay for level 3 network engineer in the United States is $109,040.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,000.00 and $133,500.00 per year, depending on experience, location, and employer.

What jobs can you get with level 3 engineering?

A Level 3 Network Engineer can qualify for roles such as Network Support Engineer, Network Technician, or Systems Administrator, often involving troubleshooting, configuring network hardware, and maintaining network infrastructure. These positions typically require knowledge of networking protocols, tools like Cisco or Juniper, and relevant certifications such as CCNA or CompTIA Network+.

What is the difference between Level 3 Network Engineer vs Level 2 Network Engineer?

AspectLevel 3 Network EngineerLevel 2 Network Engineer
CertificationsCCNA, CCNP, CompTIA Network+CCNA, CompTIA Network+
Work EnvironmentAdvanced troubleshooting, network design, implementationNetwork support, basic troubleshooting, maintenance
ResponsibilitiesConfiguring routers/switches, resolving complex issues, network upgradesMonitoring networks, resolving user issues, routine maintenance

The main difference between a Level 3 Network Engineer and a Level 2 Network Engineer lies in their responsibilities and expertise. Level 3 engineers handle complex network configurations and troubleshooting, often working on design and upgrades. In contrast, Level 2 engineers focus on routine support and maintenance tasks. Both roles require relevant certifications like CCNA, but Level 3 positions demand more advanced skills and experience.

More about Level 3 Network Engineer jobs
What job categories do people searching Level 3 Network Engineer jobs look for? The top searched job categories for Level 3 Network Engineer jobs are:
Level 3 Network Engineer jobs near you
Infographic showing various Level 3 Network Engineer job openings in the United States as of May 2026, with employment types broken down into 38% Full Time, 49% Part Time, 3% Temporary, and 10% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $109,040 per year, or $52.4 per hour.
Level 3 Network Engineer

Level 3 Network Engineer

ATD Technology LLC

Central Islip, NY • Hybrid

Other

This job post has expired today. Applications are no longer accepted.

Job description

About the Role
We are seeking an experienced Level 3 Network Engineer to join our IT Infrastructure team at our Central Islip office. In this role, you will be responsible for managing, designing, implementing, and troubleshooting complex network solutions with a focus on Cisco and Meraki technologies. You will act as the escalation point for Level 1 and 2 network support, ensure high availability and performance of network infrastructure, and participate in strategic network planning.
Key Responsibilities
  • Serve as the subject matter expert (SME) for all Cisco and Meraki networking systems.
  • Design, configure, and deploy enterprise-level LAN, WAN, and WLAN solutions.
  • Monitor and optimize network performance using tools such as Cisco DNA Center, Meraki Dashboard, and SolarWinds.
  • Respond to and resolve escalated network incidents and problems; lead root cause analysis.
  • Maintain documentation for network architecture, topologies, and configurations.
  • Collaborate with cross-functional teams on infrastructure projects and security initiatives.
  • Assist in network upgrades, migrations, and expansion projects.
  • Provide mentorship and technical guidance to junior network staff.
  • Perform regular firmware upgrades, patch management, and compliance checks.
  • Travel to remote offices and data centers for installations, audits, and troubleshooting (10-20%).
Required Qualifications
  • 5+ years of hands-on experience in network engineering.
  • Strong expertise in Cisco networking technologies (Catalyst, ISR/ASR, ASA/Firepower, Nexus).
  • In-depth experience with Cisco Meraki products (MX, MR, MS).
  • Proven experience with Layer 2 and Layer 3 networking, VLANs, routing protocols (OSPF, BGP, EIGRP), VPNs, NAT, QoS.
  • Solid understanding of network security principles and firewalls.
  • Familiarity with cloud networking (Azure/AWS) and SD-WAN solutions is a plus.
  • Strong analytical and troubleshooting skills.
Preferred Certifications
  • CCNP (Cisco Certified Network Professional) required.
  • Meraki CMNA or ECMS certification is a plus.
  • CCIE (optional but highly desirable).
Work Environment
  • This is a full-time onsite role in our Central Islip office.
  • Some regional travel (10-20%) to support remote sites and projects.
  • Flexible schedule and after-hours support may be required during critical deployments or outages.

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