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Layer3 Jobs in Texas (NOW HIRING)

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

To thrive as a Layer 3 Network Engineer, you need a solid understanding of networking protocols (such as OSPF, EIGRP, and BGP), routing concepts, and typically a degree in computer science or a related field. Experience with network hardware (routers, switches), network monitoring tools, and certifications like Cisco CCNP or Juniper JNCIS are commonly required. Strong problem-solving abilities, attention to detail, and effective communication are vital soft skills for this role. These skills and qualifications are essential to ensure secure, efficient, and reliable network performance in complex IT environments.

Which 3 jobs will survive AI?

For a Layer3 professional, cybersecurity roles such as security analysts, network engineers, and security architects are likely to persist as AI tools assist but do not fully replace human expertise. These jobs require critical thinking, complex problem-solving, and understanding of evolving threats, making them less susceptible to automation. Skills in threat detection, incident response, and certifications like CISSP or CompTIA Security+ enhance job security in this field.

What are Layer3 jobs?

Layer3 jobs typically refer to positions that involve working with the network layer (Layer 3) of the OSI model, which is responsible for routing data packets between devices across different networks. Professionals in these roles often manage routers, configure IP addressing, and implement routing protocols to ensure efficient and secure data transmission. Common job titles include network engineer, network administrator, and network architect. These roles are critical in designing, maintaining, and troubleshooting complex network infrastructures for organizations.

Is layer 3 a good investment?

Layer 3 is a network layer responsible for routing data between different networks, and it is a critical component in network infrastructure roles. Jobs in this area often require knowledge of networking protocols, Cisco or Juniper equipment, and certifications like CCNA. The role can be stable and well-paying for those with relevant skills and experience.

What are some common challenges faced by Layer3 network engineers, and how can they be addressed?

Layer3 network engineers often encounter challenges such as managing complex routing protocols, troubleshooting network congestion, and ensuring seamless integration between different network layers. Staying current with evolving technologies and maintaining strong documentation practices can help address these issues. Collaboration with cross-functional teams, such as security and systems administrators, is also crucial to quickly identify and resolve network anomalies. Continuous learning and hands-on experience with network simulation tools can further enhance problem-solving skills in this role.

What jobs pay 500,000 a year in the US?

High-paying jobs that can reach or exceed $500,000 annually include executive roles such as CEOs, CFOs, and other C-suite positions, as well as specialized professions like investment bankers, certain surgeons, and successful entrepreneurs. These roles typically require extensive experience, advanced skills, and often involve leadership, high responsibility, or performance-based compensation structures.

What are L3 jobs?

L3 jobs typically refer to Level 3 positions in a technical or support hierarchy, involving advanced troubleshooting, system management, or specialized skills. These roles often require relevant certifications, technical knowledge, and experience in areas such as networking, cybersecurity, or IT support. L3 jobs are usually part of a multi-tier support structure or technical team.

What is the difference between Layer3 vs Network Engineer?

AspectLayer3Network Engineer
Required CertificationsCCNA, CCNP, CompTIA Network+CCNA, CCNP, CompTIA Network+
Work EnvironmentData centers, enterprise networks, ISPsCorporate offices, data centers, service providers
Industry UsageNetworking hardware, routing, switchingNetwork design, implementation, troubleshooting

Layer3 specialists focus on routing, switching, and network infrastructure at the OSI model's third layer, often working with routers and switches. Network Engineers also handle network design and troubleshooting but may have a broader scope including network security and infrastructure planning. Both roles require similar certifications and work environments, but Layer3 roles are more specialized in routing protocols and network hardware configuration.

What are popular job titles related to Layer3 jobs in Texas? For Layer3 jobs in Texas, the most frequently searched job titles are:
What job categories do people searching Layer3 jobs in Texas look for? The top searched job categories for Layer3 jobs in Texas are:
Layer3 jobs near you
Infographic showing various Layer3 job openings in Texas as of July 2026, with employment types broken down into 89% Full Time, 8% Part Time, and 3% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution.
Principal Network Engineer (Contractor)

Principal Network Engineer (Contractor)

Shutterfly

Plano, TX • On-site, Remote

Full-time

Posted 9 days ago

Shutterfly rating

6.7

Company rating: 6.7 out of 10

Based on 43 frontline employees who took The Breakroom Quiz

210th of 728 rated retailers

Job description

At Shutterfly, we make life’s experiences unforgettable. We believe there is extraordinary power in the self-expression. That’s why our family of brands helps customers create products and capture moments that reflect who they uniquely are.

Shutterfly is seeking a Principal Network Engineer to help lead the design, implementation and operations of our network modernization. The ideal candidate will have hands-on experience in network architecture and design, with a strong focus on Layer3 VLAN Segmentation.

This is a 6 month contractor position.

What You'll Do Here:

  • Network Design: Collaborate on design and engage in the deployment of complex network solutions, ensuring scalability, security and high availability.
  • Security: Collaborate with security teams to enforce and enhance network security protocols, including ZTNA, firewalls and network segmentation.
  • Performance Tuning: Monitor network performance, identify bottlenecks and apply performance tuning to ensure efficient and reliable service delivery.
  • Documentation & Reporting: Create and maintain thorough documentation for network architecture, design and builds.

The Skills You'll Bring:

  • Experience: 8+ years of experience in network engineering, with at least 4 years in a principal or senior engineer role.
  • Profound understanding of IP protocols (IPv4/IPv6), BGP, OSPF, MPLS and VPNs.
  • Hands on experience with SD-WAN, ZTNA and SASE.
  • Hands-on experience with routing, switching, load balancing and telemetry technologies.
  • In-depth knowledge of network security best practices (firewalls, IDS/IPS, encryption, etc.).
  • Problem Solving: Strong analysis skills with the ability to diagnose and resolve complex and layered network issues.
  • Communication: Excellent verbal and written communication skills, with the ability to convey complex technical concepts to both technical and non-technical stakeholders.
  • Leadership: Proven ability to lead and inspire a team of engineers, providing technical mentorship and fostering a collaborative work environment.

Preferred Qualifications:

  • Expertise in data center networking and inter-site connectivity.

Supporting a diverse and inclusive workforce is important to Shutterfly not only because it directly reflects our value of Embracing our Differences, but also because it’s the right thing to do for our business and for our people. We welcome all applicants and evaluate them based on their qualifications. Learn more about our commitment to Diversity, Equity, and Inclusion on our Career Site.

This opportunity can be remote, but candidates must reside in a state in which Shutterfly is registered to do business. This includes all US states except District of Columbia, North Dakota, Mississippi, Rhode Island, Vermont, and Wyoming.

This position will accept applications on an ongoing basis until filled.

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