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Network Engineer L3 Jobs (NOW HIRING)

GRVTY

Network Engineer Level 2

Fort George G Meade, MD · On-site

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 ...

Wipro Limited

Wireless Engineer L3

Newton, MA · On-site

$80K - $158K/yr

Wireless Engineer L3 City: Newton State/Province: Massachusetts Posting Start Date: 6/19/26 Wipro ... Experienced US based (Down State New York) Specialist Wireless Network Engineer required for a ...

InstantServe LLC

Network Engineer

Philadelphia, PA · On-site

Network Engineer Location: Philadelphia, PA 19107 Duration: 12 Months The Senior Network Engineer ... and L2/L3 VPNs. • Proven expertise with Palo Alto Networks firewalls, including Panorama ...

Sarian, Inc.

GCP Engineer L3

Louisville, KY · On-site

Role: GCP Engineer L3 Location: Louisville, KY Remote position Fulltime position JD: Must Have ... Cloud services including storage, databases, and networking. 5.CI/CD pipelines and tools including ...

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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
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 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

Network Engineer

Kastech Software Solutions Group

Portland, OR • On-site

Other

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

Job description

Role: Network L3 Engineer

Location: Portland, OR/Vancouver,WA


Role Summary:

Seeking an experienced Network L3 Engineer to provide onsite support for a large enterprise environment. The resource will act as the highest level of technical escalation for complex network issues across SD-WAN, Firewalls, Wireless, Routing, and Switching infrastructure, while driving incident resolution, problem management, optimization, and network transformation initiatives.

Key Responsibilities:

  • Provide L3 technical support and serve as the final escalation point for network incidents and outages.
  • Troubleshoot complex issues related to SD-WAN, Firewalls, Wireless, Routing, and Switching technologies.
  • Perform root cause analysis (RCA) and implement permanent corrective actions.
  • Execute network changes, migrations, upgrades, and maintenance activities.
  • Support major incidents and lead technical bridge calls with customer stakeholders.
  • Analyse network performance and implement optimisation recommendations.
  • Review network designs and provide architecture-level inputs.
  • Ensure compliance with security standards, policies, and best practices.
  • Support disaster recovery and business continuity initiatives.
  • Maintain technical documentation, network diagrams, and operational procedures.
  • Coordinate with OEMs, ISPs, and third-party vendors for issue resolution.
  • Provide mentoring and guidance to L1/L2 engineers.

Technical Skills Required

SD-WAN

  • Cisco SD-WAN (Viptela), Fortinet Secure SD-WAN, Versa or equivalent.
  • Overlay/Underlay troubleshooting.
  • Policy design and deployment.
  • Application-aware routing.
  • WAN optimisation and performance analysis.

Firewall

  • Fortinet FortiGate (Preferred).
  • Palo Alto, Check Point, Cisco Firepower.
  • Security policy management.
  • VPN (IPSec/SSL VPN) troubleshooting.
  • NAT, Security Zones, Threat Prevention.

Wireless

  • Cisco Wireless LAN Controllers.
  • Cisco Meraki Wireless.
  • Aruba Wireless.
  • RF troubleshooting and wireless performance optimisation.
  • Guest access and authentication troubleshooting.

Routing & Switching

  • Cisco Catalyst/Nexus platforms.
  • Layer 2 & Layer 3 troubleshooting.
  • OSPF, EIGRP, BGP.
  • HSRP, VRRP, STP, EtherChannel.
  • Multicast fundamentals.
  • QoS implementation and troubleshooting.

Certifications (Preferred)

  • CCNP Enterprise / CCIE Enterprise.
  • Fortinet NSE 4/5/7 or FCSS.
  • Palo Alto PCNSE.
  • Cisco SD-WAN Specialist.
  • Aruba Certified Professional.

Key Competencies

  • Strong troubleshooting and analytical skills.
  • Ability to handle critical incidents independently.
  • Excellent communication and customer management skills.
  • Experience working in enterprise and multi-site environments.
  • Ability to lead technical discussions and provide strategic recommendations.
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About Kastech Software Solutions Group

Sourced by ZipRecruiter

Kastech was incorporated in 2007 with a mission to serve as a strategic partner to organizations from various industry verticals and offer cost-effective, reliable, and high-quality IT solutions and services leveraging our experienced resources and thought leadership. Kastech’s founding members come with years of experience in the fields of strategic IT consulting, program management, implementation, and service delivery. We invest in the development of thought leadership to enhance our reputation in the marketplace, define and extend our brand, and bolster our reputation for innovation. We always strive to draw upon research and experience from throughout our professional services organization. Headquartered in Houston, TX, Kastech currently has a physical presence in 6 countries, serving clients in 14 countries. We take pride in working with Fortune 500 companies and mid-sized to large-scale public sector agencies in setting up and managing their enterprise applications, including ERP systems.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Houston, TX, US

Year founded

2007

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