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Network Engineer L3 Jobs (NOW HIRING)

Job Title Network Data Engineer - L3 Primary Skill (Technical Skill) Cisco ACI, Nexus Dashboard, Routing & Switching, Arista Switches, Palo Alto Firewall, Secondary Skill ( optional) SolarWinds ...

... repair (TTR) (L3) * Responsible for monitoring network devices, Firewalls, Routers, Switches ... engineering level. * Expertise in driving a culture of automation and innovation to optimize ...

Network Engineer

Marcy, NY · On-site

$102K - $140K/yr

... repair (TTR) (L3) * Responsible for monitoring network devices, Firewalls, Routers, Switches ... engineering level. * Expertise in driving a culture of automation and innovation to optimize ...

Role: L3 - Network Engineer Location: - San Diego, CA - Onsite We are seeking an experienced Consultant to join our Network Data team in San Diego. The ideal candidate will bring deep technical ...

Company Description Intelliswift Software, Inc Looking for someone which L2/L3 networking experience (preferably on cisco and cumulus) mid-level Linux administration VMware and scripting is good to ...

As an L3 engineer, you will act as a key driver of execution within our core services. You will be ... Direct experience handling constraints related to network topology, proxy layers, or mail transfer ...

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Network Engineer L3 information

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$31K

$109K

$158K

How much do network engineer l3 jobs pay per year?

As of Jul 21, 2026, the average yearly pay for network engineer l3 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 are Network Engineer L3s?

Network Engineer L3s, also known as Level 3 Network Engineers, are experienced IT professionals responsible for designing, implementing, and troubleshooting complex network infrastructures. They handle advanced issues that lower-tier support (L1 and L2) cannot resolve, often focusing on network architecture, security, and optimization. L3 Network Engineers work with routing, switching, firewalls, and other network devices, and are key contributors to network projects and escalations. Their expertise ensures robust, secure, and efficient network operations for organizations.

What is the difference between Network Engineer L3 vs Network Engineer L2?

AspectNetwork Engineer L3Network Engineer L2
CertificationsCCNA, CCNP, CompTIA Network+CCNA, CompTIA Network+
Work EnvironmentAdvanced network troubleshooting, configuration, and designBasic to intermediate network support and troubleshooting
ResponsibilitiesImplementing complex network solutions, supervising L2 staffSupporting network devices, resolving common issues

Network Engineer L3 roles typically involve more advanced network design, configuration, and supervision compared to Network Engineer L2. L3 engineers handle complex problems and oversee L2 staff, making their skills and certifications more specialized.

What are the key skills and qualifications needed to thrive as a Network Engineer L3, and why are they important?

To excel as a Network Engineer L3, you need advanced knowledge of network protocols, design, troubleshooting, and a bachelor's degree in computer science or related field, often complemented by several years of experience. Mastery of tools and platforms such as Cisco IOS, Juniper Junos, network monitoring systems, and certifications like CCNP or CCIE are typically required. Strong analytical thinking, problem-solving skills, and effective communication are essential soft skills for this role. These competencies ensure robust network performance, swift resolution of complex issues, and effective collaboration with IT teams and stakeholders.

How does a Network Engineer L3 typically interact with other IT teams to resolve complex network issues?

As a Network Engineer L3, you will often collaborate closely with other IT teams such as systems administrators, security specialists, and help desk staff to troubleshoot and resolve advanced network issues. These interactions may involve joint problem-solving sessions, escalations from lower-level engineers, and cross-functional meetings to ensure network reliability and security. Strong communication skills are important, as you may need to explain technical concepts to non-network specialists and coordinate on projects that affect multiple IT domains. This collaborative approach helps maintain a stable and secure network environment across the organization.
More about Network Engineer L3 jobs
Infographic showing various Network Engineer L3 job openings in the United States as of July 2026, with employment types broken down into 33% Full Time, and 67% Contract. Highlights an 100% In-person job distribution, with an average salary of $109,040 per year, or $52.4 per hour.

Network Engineer Level 3 with Security Clearance

GRVTY

Fort George G Meade, MD • On-site

Other

Re-posted 11 days ago


Job description

What Impact You'll Have: GRVTY is seeking experienced Network Engineers to support core Intelligence Community (IC) missions. As a Network Engineer in the intelligence community, you will work as part of a team on the frontlines against our cyber adversaries. What You'll be Owning: We are seeking a Network Engineer for a funded role to provide Network Communication services to enhance and complement High Performance Computing (HPC) sustainment capabilities. The Network Engineer provides Network support that requires system level design, architecture or enterprise security and security boundaries, datacenter virtualization, CAN/MAN/LAN infrastructure packet capture software, TCP/IP protocol stack, routing/switching protocols, stateful firewalls, and L3/L4 access controls. * Cisco IOS, CatOS, NxOS, filter and access control, Ciscoworks, TACACS+, ASA, FWSM, HP Openview, Cisco routers, Cisco Switches, F5/Cisco load balancers, Infiniband, Juniper, FiberChannel (FC) SAN, and VPN (IPSEC) * Physical installation and configuration and troubleshooting of network routers, switches, load balancers and security devices. * Strong knowledge of TCP/IP protocol stack and routing and switching protocols. * Strong working knowledge of L2/L3 protocols. * Strong working knowledge of stateful firewalls, and L3 access controls. * Working knowledge of Atlassian Tool Suite. * Able to support on-call requirements. * Able to work in live call environment and utilize remedy and/or other ticketing system to track tasking. * Virtualization products; VMWare and Solaris containers What You Must Have : * Active TS/SCI with polygraph clearance. Most recent poly in the last 7 years. * Bachelor's degree in a technical discipline * Minimum eight (8) years of demonstratable experience in network engineering (LAN), architecture, monitoring, security, and protection or ten (10) years minimum experience in lieu of degree. * DoD 8570 IAT II level certification. * Must have datacenter network design and architecture experience to include installation and configuration of Cisco routers, switches, firewalls, and IPSEC virtual private networks.