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Layer 3 Communications Jobs (NOW HIRING)

Nokia

5G gNB Layer 2 and Layer 3 Developer

Coppell, TX · On-site

$105K - $195K/yr

Join our Strategy and Technology Space Communication Solutions team as a 5G gNB Layer 2 and Layer 3 (L2/L3) Developer and play a pivotal role in advancing 5G technology! Collaborate closely with ...

Nokia

5G gNB Layer 2 and Layer 3 Developer

Coppell, TX · Hybrid

$50.50 - $65.25/hr

Join our Strategy and Technology Space Communication Solutions team as a 5G gNB Layer 2 and Layer 3 (L2/L3) Developer and play a pivotal role in advancing 5G technology! Collaborate closely with ...

Zfinity Global

Layer 3 DC Network Engineer

Salem, NH · On-site

... Layer 3 dynamic routing, overlay and control-plane protocols (e.g., OSPF, BGP, EIGRP, VPN, EVPN ... · Strong communication skills, both written and verbal, with the ability to convey technical ...

Nokia

5G NR UE Layer 2 and Layer 3 Developer

Plano, TX · On-site

$105K - $195K/yr

... * 3 years of experience in developing and optimizing Layer 2 and Layer 3 protocols for 4G/5G UE ... Effective communication and teamwork abilities. * Ability to work independently and manage tasks ...

Nokia

5G NR UE Layer 2 and Layer 3 Developer

Plano, TX · On-site

... * 3 years of experience in developing and optimizing Layer 2 and Layer 3 protocols for 4G/5G UE ... Effective communication and teamwork abilities. * Ability to work independently and manage tasks ...

Iberdrola

Lead Telecom Network Architect

Rochester, NY · On-site

Acquisition, analysis, documentation, implementation, scheduling, and support of layer 1 to layer 3 communications hardware, software, and their facilities. * Design advanced MPLS networks for both ...

Iberdrola

Lead Telecom Network Architect

Vestal, NY

Acquisition, analysis, documentation, implementation, scheduling, and support of layer 1 to layer 3 communications hardware, software, and their facilities. * Design advanced MPLS networks for both ...

Iberdrola

Lead Telecom Network Architect

Rochester, NY · On-site

Acquisition, analysis, documentation, implementation, scheduling, and support of layer 1 to layer 3 communications hardware, software, and their facilities. * Design advanced MPLS networks for both ...

TriOptus LLC

Cisco juniper admin

Responsible for the management of the interoperability between Cisco and Juniper Layer 3 Platform ... Communications Network Technology platforms. Top 5 Skills Needed * Project based work in a team ...

New

TriOptus LLC

Network/Data Engineer - Senior

Atlanta, GA · On-site

$100K - $137K/yr

Responsible for the management of the interoperability between Cisco and Juniper Layer 3 Platform ... Support Systems, and Data Communications Network Technology platforms. * Advanced WAN ...

TriOptus LLC

Network/Data Engineer - Senior

Lake Mary, FL · On-site

$90K - $124K/yr

... and communications projects involving TCP/IP and related protocol connectivity for networks ... Juniper Layer 3 Platform, through the use of alarm and ticket systems, individual designed ...

Goldbelt, Inc.

Network Engineer III

Monterey, CA · On-site

$108K - $121K/yr

Excellent communication and interpersonal skills. Minimum Qualifications: * AA/AS from an ... Extreme Networks Layer 2/3, MLXE Switches /Extreme IQ / OSPF, BGP, & MPLS, VMware NSX: Install ...

TriOptus LLC

Network/Data Engineer - Senior

Delray Beach, FL · On-site

$97K - $133K/yr

... and communications projects involving TCP/IP and related protocol connectivity for networks ... Juniper Layer 3 Platform, through the use of alarm and ticket systems, individual designed ...

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Layer 3 Communications information

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$26K

$31.5K

How much do layer 3 communications jobs pay per year?

As of Jul 1, 2026, the average yearly pay for layer 3 communications in the United States is $31,873.00, according to ZipRecruiter salary data. Most workers in this role earn between $28,500.00 and $29,000.00 per year, depending on experience, location, and employer.

What are some typical challenges faced by professionals working in Layer 3 Communications roles, and how can candidates prepare to address them?

Professionals in Layer 3 Communications roles often encounter challenges such as managing complex routing protocols, ensuring network security, and troubleshooting issues across large-scale enterprise networks. Candidates can prepare for these challenges by gaining hands-on experience with routers and switches, staying current with evolving protocols like OSPF and BGP, and developing strong analytical skills for diagnosing connectivity problems. Effective communication and collaboration with other IT teams are also crucial, as Layer 3 specialists frequently coordinate with network engineers, security analysts, and support staff to maintain seamless operations.

Why is Gen Z struggling to get jobs?

Gen Z faces challenges in securing jobs due to high competition, limited work experience, and evolving skill requirements such as digital literacy and adaptability. For roles like Layer 3 Communications, employers often seek technical skills, certifications, and relevant experience, which can be less accessible to younger applicants without industry exposure.

What is the highest paying communications job?

In the field of Layer 3 communications, senior network engineers and network architects typically earn the highest salaries, often exceeding six figures annually. These roles require advanced knowledge of networking protocols, certifications like CCNP or CCIE, and experience designing and managing complex networks.

What is the difference between Layer 3 Communications vs Network Engineer?

AspectLayer 3 CommunicationsNetwork Engineer
CertificationsCCNA, CCNP, Cisco certificationsCCNA, CCNP, Cisco certifications, CompTIA Network+
Work EnvironmentTelecommunications companies, ISPs, enterprise networksIT departments, service providers, corporate networks
ResponsibilitiesManaging routing, switching, and network infrastructure at Layer 3Designing, implementing, and maintaining network systems

Layer 3 Communications professionals focus on routing, switching, and network infrastructure at the network layer, often within telecom and ISP environments. Network Engineers have a broader scope, including designing and troubleshooting entire networks, often requiring similar certifications. Both roles require networking knowledge, but Layer 3 Communications specialists typically work more on the infrastructure side within telecom contexts, while Network Engineers may work across various industries and network types.

How hard is it to get a job at L3Harris?

Getting a job as a Layer 3 Communications professional at L3Harris typically requires relevant technical skills, such as knowledge of networking protocols and security, along with a strong background in communications technology. The hiring process often involves multiple interviews, technical assessments, and background checks, reflecting industry standards for security and technical roles.

What are Layer 3 communications?

Layer 3 communications refer to the processes that occur at the network layer (Layer 3) of the OSI model. This layer is responsible for routing data between devices across different networks, using logical addressing such as IP addresses. Routers and layer 3 switches operate at this level, determining the best path for data packets to travel. Layer 3 communications ensure that information can be sent and received between networks, regardless of their underlying physical structures.

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

To thrive as a Layer 3 Communications Engineer, you need a strong understanding of networking protocols (especially TCP/IP), routing, switching, and typically a degree in computer science or a related field. Familiarity with network hardware, routers, firewalls, and certifications like Cisco CCNP or equivalent are commonly required. Analytical thinking, problem-solving abilities, and effective communication skills help you diagnose issues and work with cross-functional teams. These competencies ensure the design, implementation, and maintenance of reliable and secure network infrastructures essential for organizational connectivity.

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

In the field of Layer 3 communications, high-paying roles such as senior network architects, chief technology officers, and specialized cybersecurity executives can earn $500,000 or more annually, especially with extensive experience, advanced certifications, and leadership responsibilities. These positions often require expertise in network infrastructure, security protocols, and strategic planning, typically within large organizations or tech firms.
More about Layer 3 Communications jobs
What cities are hiring for Layer 3 Communications jobs? Cities with the most Layer 3 Communications job openings:
What are the most commonly searched types of Layer 3 Communications jobs? The most popular types of Layer 3 Communications jobs are:
What job categories do people searching Layer 3 Communications jobs look for? The top searched job categories for Layer 3 Communications jobs are:
Layer 3 Communications jobs near you
Infographic showing various Layer 3 Communications job openings in the United States as of June 2026, with employment types broken down into 97% Full Time, and 3% Part Time. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $31,873 per year, or $15.3 per hour.
5G gNB Layer 2 and Layer 3 Developer

5G gNB Layer 2 and Layer 3 Developer

Nokia

Coppell, TX • On-site

$105K - $195K/yr

Full-time

Posted 15 days ago

Nokia rating

8.6

Company rating: 8.6 out of 10

Based on 5 frontline employees who took The Breakroom Quiz

5th of 80 rated telecommunications companies

Job description


Join our Strategy and Technology Space Communication Solutions team as a 5G gNB Layer 2 and Layer 3 (L2/L3) Developer and play a pivotal role in advancing 5G technology! Collaborate closely with systems engineers, testers, and hardware teams in a hybrid work environment, tackling challenges in 5G NR L2/L3 development. You'll contribute to a forward-thinking team that drives innovative technology solutions, shaping the future of mobile communication. Enjoy a flexible work arrangement, professional development opportunities, and the chance to work on groundbreaking projects that set new industry standards. Join us in creating lasting value in the world of telecommunications!
Responsibilities
  • Develop and optimize 5G NR Layer 2/Layer 3 functionalities including MAC, RLC, PDCP, RRC, and NGAP.
  • Implement advanced L2 scheduling algorithms, HARQ mechanisms, and efficient buffer management.
  • Collaborate on the development of UE and gNB L2/L3 stacks, ensuring robust protocol compliance and performance.
  • Optimize network performance by enhancing throughput, reducing latency, and improving handover processes.
  • Debug and troubleshoot protocol stack behaviors using logs and advanced tracing tools.
  • Integrate and test L2/L3 software with the physical layer (PHY) and core network (5GC) to ensure seamless operations.

Qualifications
You have:
  • 3+ years of experience in 5G NR or LTE RAN development (L2/L3)
  • Bachelor's or Master's Degree in Computer Science, Electrical Engineering, Telecommunications, or a related field.
  • Strong programming skills in C, C++, and experience with multi-threaded and real-time systems.
  • Deep understanding of MAC, RLC, PDCP, RRC, NGAP protocols.
  • Experience with L2 scheduling, HARQ, QoS, and mobility management.
  • Familiarity with 3GPP (Rel-15 and later) specifications.
  • Strong debugging skills with tools like Wireshark, TShark, QXDM, or similar.
  • Experience in real-time OS (RTOS) or Linux kernel networking stack.

It would be nice if you also had:
  • Knowledge of DPDK, VPP, or other high-performance packet processing frameworks is a plus.
  • Experience in O-RAN, Open RAN, or vRAN architectures is a plus.

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