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Tier 3 Network Engineer Jobs (NOW HIRING)

InterImage

Tier 3 Network Engineer

Chantilly, VA

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

NOC Tier 3 Network Engineer

Charlotte, NC · On-site

NOC Tier 3 Network Engineer Duration: 4months Charlotte NC The available position is for a Tier 3 Network Engineer contract to hire to support a long-tenured client major enterprise Fortune 100 ...

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 ...

INNO4

Level 3 Network Engineer

Arlington, TX

$74 - $75/hr

Tier 3 Escalation: Serve as the final point of escalation for complex network outages (L1-L7 ... Leadership: Ability to mentor Level 1/2 engineers and lead cross-functional project teams

DMI

Tier 3 Network Lead

Washington, DC · On-site

Learn more at www.dminc.com About the Opportunity DMI, LLC is seeking a Tier 3 Network Lead who owns the performance of wired and wireless infrastructure across four distributed sites and manages the ...

DMI

Tier 3 Network Lead

Washington, DC

$115K - $159K/yr

Learn more at www.dminc.com DMI, LLC is seeking a Tier 3 Network Lead who owns the performance of wired and wireless infrastructure across four distributed sites and manages the full incident ...

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

As of Jun 6, 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.

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 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.
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Tier 3 Network Engineer jobs near you
Tier 3 Network Engineer

Tier 3 Network Engineer

InterImage

Chantilly, VA

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 9 days ago

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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