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Network Engineer L3 Jobs (NOW HIRING)

GRVTY

Network Engineer Level 3

Fort George G Meade, MD · On-site

$161K - $171K/yr

As a Network Engineer in the intelligence community, you will work as part of a team on the ... Strong working knowledge of L2/L3 protocols. * Strong working knowledge of stateful firewalls, and ...

GRVTY

Network Engineer Level 2

Fort George G Meade, MD

$130K - $140K/yr

As a Network Engineer in the intelligence community, you will work as part of a team on the ... Strong working knowledge of L2/L3 protocols. * Strong working knowledge of stateful firewalls, and ...

Ferretti Search

Network Engineer

Fort Mill, SC · On-site

The Network Engineer will be responsible for designing, implementing, and maintaining the ... L3 network protocols (spanning-tree, OSPF, BGP), TCP/IP, DHCP, DNS, end to end QOS, VLAN, VRRP ...

smart folks inc

Network Engineer

Rockdale, TX · On-site

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 ...

Delan Associates, Inc

Senior Network Engineer

Durham, NC · On-site

$120 - $170/hr

Senior L3 Network Engineer (Cisco, Palo Alto, SD-WAN, Cloud & OT) Provide L3 support for enterprise, data center, cloud, and manufacturing network environments. Design, deploy, and maintain Cisco ...

Delan Associates, Inc

Senior Network Engineer

Durham, NC · On-site +1

$100K - $137K/yr

Senior L3 Network Engineer (Cisco, Palo Alto, SD-WAN, Cloud & OT) Provide L3 support for enterprise, data center, cloud, and manufacturing network environments. Design, deploy, and maintain Cisco ...

Delan Associates, Inc.

Senior Network Engineer

Durham, NC · On-site +1

$100K - $137K/yr

Senior L3 Network Engineer (Cisco, Palo Alto, SD-WAN, Cloud & OT) Provide L3 support for enterprise, data center, cloud, and manufacturing network environments. Design, deploy, and maintain Cisco ...

GRVTY

Network Engineer Level 1

Salt Lake City, UT

What Impact You'll Have GRVTY is seeking experienced Network Engineers to help deliver enhanced HPS ... Strong working knowledge of L2/L3 protocols. * Strong working knowledge of stateful firewalls, and ...

Northrop Grumman Corp. (AU)

Network Engineer

San Diego, CA · On-site

$83.40 - $125.20/hr

As Network Engineer at Northrop Grumman, you will have a challenging and rewarding opportunity to ... Ability to articulate end‑to‑end packet flow across L2 and L3 boundaries including filter and ...

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Network Engineer L3 information

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How much do network engineer l3 jobs pay per year?

As of Sep 3, 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 is a network engineer L3?

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.

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.

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.

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.

More about Network Engineer L3 jobs

What job categories do people searching Network Engineer L3 jobs look for?

The top searched job categories for Network Engineer L3 jobs are:

Network Engineer L3 jobs near you
Infographic showing various Network Engineer L3 job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 11% Part Time, and 6% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $109,040 per year, or $52.4 per hour.

Network Engineer Level 3

GRVTY

Fort George G Meade, MD • On-site

$161K - $171K/yr

Full-time

Medical, Retirement, PTO

Re-posted 24 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.

Pay Range: At GRVTY, we understand that compensation is influenced by many factors-such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications. We're proud to offer a work environment that empowers our team to achieve a strong work-life balance. GRVTY provides competitive pay, comprehensive benefits, and meaningful opportunities for professional growth. Our benefits package is designed to support the well-being of our employees and their families, and includes coverage in areas such as healthcare, financial wellness, retirement planning, family assistance, continued education, and paid time off.

  • The pay range for this position is: $161,000.00 - $171,000.00

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