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Network Engineer L3 Jobs (NOW HIRING)

Jobgether

$36.75 - $49.50/hr

This is an ideal opportunity for an experienced network security professional who enjoys solving ... As a Cisco Firewall Engineer L3, you will serve as a senior-level technical resource responsible ...

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 ...

Que Technology Group

Network Engineer (TTO5)

Lehi, UT · On-site

Network Engineer provides network support that requires system level design, architecture or ... Strong working knowledge of L2/L3 protocols. * Strong working knowledge of stateful firewalls, and ...

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 ...

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Network Engineer L3 information

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How much do network engineer l3 jobs pay per year?

As of Aug 12, 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.

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 August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 11% Part Time, and 7% 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.

Cisco Firewall Engineer L3

Jobgether

Remote

$36.75 - $49.50/hr

Contractor

Posted 9 days ago

Job description

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Cisco Firewall Engineer L3 based in Netherlands.

This role offers the opportunity to act as a senior technical expert supporting enterprise network security infrastructure.
You will be responsible for advanced firewall troubleshooting, security architecture improvements, and complex infrastructure initiatives.
The position combines hands-on engineering, strategic problem-solving, and collaboration with security and networking teams.
You will help strengthen security posture through firewall optimization, segmentation strategies, automation, and continuous improvements.
Working in a remote environment, you will support critical enterprise systems while contributing technical expertise and mentorship.
This is an ideal opportunity for an experienced network security professional who enjoys solving complex challenges.
You will play a key role in improving reliability, performance, and security across large-scale environments.

Accountabilities:

As a Cisco Firewall Engineer L3, you will serve as a senior-level technical resource responsible for advanced support, troubleshooting, and security infrastructure enhancements. You will work on complex firewall environments while collaborating with engineering teams and technology partners. Your responsibilities will include:

  • Leading root cause analysis for complex firewall and network security incidents.
  • Designing and improving segmentation strategies, security policies, and firewall architectures.
  • Implementing advanced security services and enhancing enterprise protection capabilities.
  • Performing firewall migrations, upgrades, and technology improvements.
  • Optimizing firewall performance, configurations, and rule base efficiency.
  • Integrating security solutions with SIEM platforms and automation workflows.
  • Supporting advanced troubleshooting activities across enterprise networking environments.
  • Collaborating with vendors and internal teams to resolve technical challenges.
  • Mentoring junior engineers and sharing best practices across the team.
  • Contributing to continuous improvement initiatives focused on security, reliability, and operational efficiency.

Requirements:
The ideal candidate is an experienced network security engineer with deep Cisco firewall expertise and strong enterprise infrastructure knowledge. You should have advanced troubleshooting abilities, experience working in complex environments, and the ability to design secure and scalable solutions. Required qualifications include:

  • 6-10+ years of experience in network security engineering or related infrastructure roles.
  • Expert knowledge of Cisco firewall architecture and enterprise networking concepts.
  • Strong understanding of routing, high availability (HA), and network security design principles.
  • Proven experience troubleshooting complex firewall and connectivity issues.
  • Experience designing and implementing security policies and segmentation approaches.
  • Familiarity with automation tools and security workflow integrations.
  • Ability to work independently and manage advanced technical challenges.
  • Strong communication and collaboration skills.
  • CCNP Enterprise or CCNP Security certification is preferred.
  • Experience supporting large-scale enterprise environments is highly desirable.
  • Exposure to Zero Trust security principles is a plus.

Benefits:

  • Fully remote contract opportunity.
  • Competitive compensation based on experience and technical expertise.
  • Opportunity to work on large-scale enterprise security environments.
  • Exposure to advanced firewall technologies, automation, and security architecture.
  • Opportunity to contribute as a subject matter expert and mentor technical teams.
  • Flexible remote working arrangement.
How Jobgether works:
We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.
We appreciate your interest and wish you the best!
 Why Apply Through Jobgether? 
 
Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.
 
 
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We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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