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Tier 3 Network Engineer Jobs (NOW HIRING)

InterImage

Tier 3 Network Engineer

Chantilly, VA · On-site

Tier 3 Network Engineer Company: InterImage InterImage is actively seeking an energetic, curious, and skilled engineer to join our team in Northern VA! We are looking for a Tier 3 Network Engineer to ...

Stem Xpert

Network engineer V

Frederick, MD

The Tier 3 Network Engineer needs to apply technical expertise in routing and switching (Cisco Nexus especially), load-balancing, firewalls and wireless to consult with Operations Engineering and/or ...

NewGen Technologies Inc.

Network Tier II Technician

Aurora, CO · On-site

$23.75 - $30.75/hr

The role involves installation and maintenance of LAN/WAN devices, troubleshooting incidents, and providing support to Tier III engineers. Responsibilities : • The Tier II network field technician ...

MANTECH

Perform Tier II and Tier III network engineering support, while designing advanced WAN, LAN, and data center solutions. * Monitor and configure networks utilizing SolarWinds, Cisco DNAC, and Cisco ...

MANTECH

Perform Tier II and Tier III network engineering support, while designing advanced WAN, LAN, and data center solutions. * Monitor and configure networks utilizing SolarWinds, Cisco DNAC, and Cisco ...

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All JobsTier 3 Network Engineer Jobs

Tier 3 Network Engineer information

See salary details

$31K

$109K

$158K

How much do tier 3 network engineer jobs pay per year?

As of Jun 30, 2026, the average yearly pay for tier 3 network engineer 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 the difference between Tier 3 Network Engineer vs Tier 2 Network Engineer?

AspectTier 3 Network EngineerTier 2 Network Engineer
CertificationsCCNP, JNCIP, or equivalentCCNA, JNCIA, or equivalent
Work EnvironmentAdvanced troubleshooting, complex network issues, designMonitoring, basic troubleshooting, support
ResponsibilitiesResolving escalated issues, network optimization, configurationRoutine support, ticket resolution, user assistance

Both roles require networking certifications and involve working in enterprise environments. Tier 3 Network Engineers handle complex problems and network design, while Tier 2 Network Engineers focus on support and troubleshooting. The main difference lies in the complexity of tasks and level of expertise required.

How much does a Tier 3 network engineer make?

A Tier 3 network engineer typically earns between $80,000 and $120,000 annually, depending on experience, certifications, and location. They often handle complex network issues, advanced troubleshooting, and may require certifications like CCNP or CCIE.

What are the key skills and qualifications needed to thrive as a Tier 3 Network Engineer, and why are they important?

To thrive as a Tier 3 Network Engineer, you need advanced expertise in network design, troubleshooting, and protocols such as BGP, OSPF, and MPLS, often supported by a bachelor's degree in IT or related field and certifications like CCNP or CCIE. Familiarity with network monitoring tools, firewalls, routers, switches, and ticketing systems is typically required. Strong analytical thinking, problem-solving abilities, and effective communication set top performers apart in this role. These skills are crucial for resolving complex network issues, ensuring uptime, and supporting critical business operations.

What is a Tier 3 network engineer?

A Tier 3 network engineer is a senior-level IT professional responsible for troubleshooting complex network issues, designing network solutions, and supporting network infrastructure. They often work with advanced tools, protocols, and may hold certifications like Cisco CCNP or Juniper JNCIS. Their role involves providing expert technical support and collaborating with Tier 1 and Tier 2 teams to ensure network stability and performance.

What are Tier 3 Network Engineers?

Tier 3 Network Engineers are highly skilled IT professionals responsible for resolving the most complex network issues that cannot be solved by lower-tier support teams. They design, implement, and troubleshoot advanced network systems, often working with enterprise-level hardware and software. These engineers play a critical role in maintaining network performance, security, and reliability, and may also assist in developing network policies and best practices. In addition, they often collaborate with vendors and other IT departments to address critical outages or implement new technologies.

What types of complex issues does a Tier 3 Network Engineer typically handle, and how do these differ from Tier 1 or Tier 2 support tasks?

Tier 3 Network Engineers are responsible for resolving the most advanced and intricate network problems that cannot be addressed by Tier 1 or Tier 2 support teams. These issues often involve deep-rooted configuration errors, security breaches, large-scale outages, or performance bottlenecks affecting critical business systems. Tier 3 engineers typically work closely with network architects and other IT specialists to analyze, diagnose, and implement long-term solutions. They may also be involved in network design improvements and provide mentorship to lower-tier staff, ensuring knowledge transfer and best practices.

What engineers make $300,000 a year?

Senior network engineers, including Tier 3 Network Engineers with extensive experience, advanced certifications (such as CCNP or CCIE), and specialized skills in network architecture and security, can earn $300,000 or more annually. These roles often involve managing complex infrastructure, leading large projects, and working in high-demand industries or organizations with high compensation standards.

What engineers make $500,000?

Senior network engineers, especially those with extensive experience, specialized skills, and certifications like CCIE or CISSP, can earn $500,000 or more annually. Such high salaries are often found in large organizations, consulting firms, or executive-level roles overseeing complex infrastructure and security projects.
More about Tier 3 Network Engineer jobs
What job categories do people searching Tier 3 Network Engineer jobs look for? The top searched job categories for Tier 3 Network Engineer jobs are:
Tier 3 Network Engineer jobs near you
Infographic showing various Tier 3 Network Engineer job openings in the United States as of June 2026, with employment types broken down into 84% Full Time, 6% Part Time, and 10% Contract. Highlights an 95% Physical, 2% Hybrid, and 3% Remote job distribution, with an average salary of $109,040 per year, or $52.4 per hour.
Tier 3 Network Engineer

Tier 3 Network Engineer

InterImage

Chantilly, VA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 4 days ago

Key responsibilities

  • Provide Tier 3 support to the Network Operations Center (NOC) for troubleshooting and maintaining network systems.

  • Monitor network availability and perform maintenance to support network stability.

  • Configure and test hardware, networking software, and operating system software.

Job description


Join Our Mission-Critical Team!

Position: Tier 3 Network Engineer

Company: InterImage

InterImage is actively seeking an energetic, curious, and skilled engineer to join our team in Northern VA!  We are looking for a Tier 3 Network Engineer to support a government customer’s global enterprise network. Big picture, the Tier 3 engineering team provides implementation support to the network architecture team as well as troubleshooting expertise to a 24/7 Network Operations Center (NOC).  This position is essential to the customer’s mission and is viewed as a technical leader.
Responsibilities:
•    Provide Tier 3 support to the Network Operations Center (NOC)
•    Supports an organization’s local area network (LAN), wide area network (WAN), customer networks and other data communications systems
•    Monitor the network to ensure network availability to all system users and perform necessary maintenance to support network stability
•    Maintain network hardware and software
•    Proactively identify risks in the network and develop a strategy to mitigate those risks.
•    Provide technical expertise to network architects and site technicians
•    Supports numerous business requirements for telecommunications (e.g., LAN, MAN, WAN, Voice and Video)
•    Configure, and test hardware, networking software and operating system software
•    Prepare technical proposals for presentation to the NRO’s engineering review boards for adding new technologies to the network
•    Perform a full range of upgrades in accordance with existing network architecture
•    Utilize complex network analysis tools to identify and correct problems in the network
•    Prepare troubleshooting procedures for restoring the network to optimal performance levels
•    Provide fault management for the network and support performance management functions
•    Execute reporting functions and data input associated with network management
•    Monitor security posture of the network, report suspected violations to designated authority
•    Analyze network characteristics (e.g., traffic, connect time, transmission speeds, packet sizes, and throughput); recommend procurement, removals, and modifications to network components
•    Optimize network topologies and site configurations. Plan installations, transitions, and cutovers of network components and capabilities
Here’s What You’ll Need:
•    Hands on troubleshooting and fault isolation experience of IT business systems.
•    Active TS/SCI w Polygraph is required
•    16 years of experience that can be a combination of work history and education. This equates to a Doctorate and 8 years of experience OR a Master’s and 10 years, a Bachelor’s and 12 years, an Associates and 14 years or HS and 16 years
•    Must have a strong understanding of the OSI model and configuration of routing protocols such as OSPF, MPLS, BGP, LDP
•    Must have a strong understanding of layer 2 technologies
•    Familiarity with cloud technologies
•    Must have or obtain DoD 8570 Information Assurance Technical (IAT) Level 2 a (Security CE)

Why InterImage?

At InterImage, we offer a competitive salary with great benefits. Join a team dedicated to making a difference and contributing to critical missions. Embrace the opportunity to work in a collaborative environment where your skills are valued, and your creativity is encouraged.

InterImage Benefits Snapshot:

  • 401K - 7% contribution with 3% profit sharing; 1-year cliff vesting schedule
  • Paid Time Off: 4 weeks
  • Paid Holiday Leave: 11 days (88 Hours)
  • Life Insurance: $50,000; 100% of premium
  • Short-term/Long-term Insurance: 100% premium
  • Healthcare: 2 CareFirst Administrator plans offered, $0 Employee only option, Metlife for Vision, and The Standard for Dental.



     



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