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Network Engineer L3 Jobs (NOW HIRING)

Network Engineer with L3 L4 Location: Avon Lake, OH-44012-Onsite Duration: Long Term Loking for 15+ years of experience. L3L4 Mandatory Mandatory Skills * SD‑WAN (VeloCloud) * Palo Alto firewall ...

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Network Engineer Location: Annapolis Junction, MD Clearance: TS/SCI with Polygraph Experience Level: L3 We are seeking a Network Engineer to support the full lifecycle of enterprise network ...

Network Engineer Location: Annapolis Junction, MD Clearance: TS/SCI with Polygraph Experience Level: L3 We are seeking a Network Engineer to support the full lifecycle of enterprise network ...

L3 Network Engineer Location: - Pleasanton, CA Primary Skill - Cisco Catalyst, Meraki Switches, Juniper, WiFi, DNS, DHCP Job Summary: We are seeking a skilled and proactive Network Engineer to join ...

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L3 Network Engineer

Raritan, NJ · On-site

$45 - $50/hr

L3 Network Engineer - LAN/WAN,SDWAN Location: Raritan, NJ (onsite) Primary Skill : Cisco Routers, WLAN, Cisco Meraki, SDWAN Viptela, F5, Load Balancer Responsibilities & Qualifications ...

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Network Engineer **** ONLY FOR USC AND GC***** * We are looking for CCIE Certified (Mandatory ... Strong knowledge of OSPF, BGP, MPLS, IPSEC, QoS, L2/L3 VXLAN, Multicast * Knowledge of Software ...

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 ...

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 ...

... L3) • Responsible for monitoring network devices, Firewalls, Routers, Switches, Controllers ... at an engineering level. • Expertise in driving a culture of automation and innovation to ...

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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 1, 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 June 2026, with employment types broken down into 10% As Needed, 10% Full Time, and 80% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $109,040 per year, or $52.4 per hour.

Network Engineer L3 / L4

MSR Cosmos

Avon Lake, OH • On-site

Contractor

Posted 9 days ago

Be an early applicant


Job description

Role: Network Engineer with L3 L4
Location: Avon Lake, OH-44012-Onsite
Duration: Long Term
 
Loking for 15+ years of experience.
 
L3L4 Mandatory 
 
Mandatory Skills
  • SD‑WAN (VeloCloud)
  • Palo Alto firewall architecture
  • Azure networking (ExpressRoute, VPN, VNets)
  • Enterprise routing & switching (BGP / OSPF)
  • HLD / LLD & architecture governance
  • L3 / L4 escalation capability
  • Global enterprise network exposure
     
Role Summary
The Network Engineer P3/P4 is responsible for designing governing and optimizing enterprise network architectures across onprem hybrid and cloud environments The role focuses on SDWAN VMware VeloCloud Routing Switching Palo Alto security and Azure Networking ensuring secure scalable and highly available infrastructure aligned to business needs
 
Key Responsibilities
  • Design and maintain enterprise LAN WAN SDWAN Internet and Cloud network architectures
  • Lead SDWAN VeloCloud design optimization and migration from traditional WAN
  • Define routing and switching architectures BGP OSPF VLANs HA
  • Architect and integrate network security solutions primarily Palo Alto Firewalls
  • Design and support Azure networking VNets Subnets NSGs VPN ExpressRoute
  • Develop HLDs LLDs architecture diagrams and standards
  • Provide L3L4 escalation and architectural guidance for complex incidents
  • Support change risk and governance processes CAB audits compliance
  • Collaborate with operations security cloud and application teams
 
Required Skills
  • SDWAN VMware VeloCloud
  • Routing Switching BGP OSPF VLANs HA
  • Network Security Palo Alto Firewalls VPNs segmentation
  • Cloud Networking Microsoft Azure
  • Strong experience in enterprise global network environments
Experience Profile
  • 8 12 years in network engineering architecture
  • Experience in AMS large infrastructure estates or transformation programs
  • Strong documentation design and stakeholder communication skills
  • Ability to work independently and guide technical teams
  • Role Level P3
  • Senior individual contributor with architecture ownership
  • Provides technical leadership not people management
  • Influences network strategy design decisions and standards
 
Skills
Mandatory Skills :  Azure Infra Services, Cisco DC/Branches Routers & Switches, Cisco-sdn-network-administration, F5 Load Balancer, Netscaler LoadBalancer
 
Thanks
Ramesh