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Senior Layer 3 Communications Jobs (NOW HIRING)

Sr. Hardware Engineer

Raleigh, NC

$107K - $143K/yr

Design printed circuit board assemblies for harsh environment Layer 2 and Layer 3 industrial ... Effective communication and collaboration skills for working with cross‑functional engineering ...

Sr. Hardware Engineer

Raleigh, NC

$107K - $143K/yr

Design printed circuit board assemblies for harsh environment Layer 2 and Layer 3 industrial ... Effective communication and collaboration skills for working with cross‑functional engineering ...

Senior Network Engineer (Hybrid Office Schedule)

Dallas, TX · On-site

$99K - $136K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

This includes advanced support for networking hardware, Layer 3 routing, and wireless technologies ... Effective verbal and written communication. * Ability to clearly explain technical concepts to non ...

... communication is essential. What You'll Do * Access and navigate network devices to perform ... Apply engineered Layer 3/Layer 4 routing architecture across enterprise routing and switching ...

Communications Specialist III

Olympia, WA · On-site

$91K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Provide support to the Communications Manager, Senior Leadership Team, and Executive Director ... Must have the equivalent of at least three years of experience as a Communications Specialist II or ...

Senior AI Network Systems Engineer

Redmond, WA · On-site

$116K - $159K/yr

This role focuses on Layer 3 and Layer 4 networking technologies, RDMA-based fabrics, TCP/UDP ... Drive optimization of network communication paths supporting distributed AI training and inference.

... (3 days a week, could be 5 at times) Senior Network Engineer- -focus on data and network, Layer ... communicator, both written and verbal • You discourage hero culture and ensure the team always ...

Senior Network Engineer

Dublin, OH · Hybrid

$100K - $137K/yr

The Senior Network Engineer is expected to lead complex technical initiatives, mentor junior ... Lead troubleshooting for complex Layer 2, Layer 3, firewall, VPN, application, and routing issues.

Senior Network Engineer

Round Rock, TX · On-site

$70 - $80/hr

  • Medical

  • Dental

  • Vision

  • Retirement

Immediate need for a talented Senior Network Engineer . This is a 12 months contract opportunity ... Design, configure, and maintain enterprise network infrastructure, with a focus on Layer 2/Layer 3 ...

New

Senior Network Engineer

Dublin, OH · On-site

$100K - $137K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Senior Network Engineer is expected to lead complex technical initiatives, mentor junior ... Lead troubleshooting for complex Layer 2, Layer 3, firewall, VPN, application, and routing issues.

Senior Network Engineer

Dublin, OH · Hybrid

$100K - $137K/yr

The Senior Network Engineer is expected to lead complex technical initiatives, mentor junior ... Lead troubleshooting for complex Layer 2, Layer 3, firewall, VPN, application, and routing issues.

Showing results 21-40

Senior Layer 3 Communications information

See salary details

$23.5K

$94.5K

$180K

How much do senior layer 3 communications jobs pay per year?

As of Aug 14, 2026, the average yearly pay for senior layer 3 communications in the United States is $94,516.00, according to ZipRecruiter salary data. Most workers in this role earn between $64,000.00 and $115,500.00 per year, depending on experience, location, and employer.

What are the most commonly searched types of Layer 3 Communications jobs?

The most popular types of Layer 3 Communications jobs are:

Senior Network Engineer - Cisco Infrastructure & Data Center Migration

VectorUSA

Torrance, CA • On-site

$107K - $147K/yr

Full-time

Re-posted 19 days ago


Job description

Job Summary:
VectorUSA is seeking a highly skilled Senior Network Engineer to support a large-scale enterprise network modernization and data center migration initiative. This role will focus on Cisco Catalyst 9300 deployments and network cutovers within a production environment.
Responsibilities:
• Upgrade Cisco Catalyst 9300 switches to Cisco-recommended IOS-XE releases
• Apply standardized C9300 base configurations and templates
• Migrate existing port configurations from legacy switches to new Catalyst 9300 hardware
• Perform onsite switch replacements and execute maintenance-window cutovers
• Support migration of network connections from Cisco Nexus 5K environments to new Catalyst 9300 infrastructure
• Assist with staging, validation, and deployment of network hardware
• Coordinate and execute network migration activities tied to approved Change Requests (CRs)
• Support Cisco ACI-connected uplink migration activities
• Troubleshoot Layer 2 and Layer 3 connectivity issues during implementation and post-cutover validation
• Work closely with internal engineering teams to ensure successful deployment and minimal operational impact
• Document implementation activities, migration procedures, and technical changes
Qualifications:
Required:
• 5+ years of hands-on network engineering experience
• Strong expertise with: Cisco Catalyst 9300 (CAT9K) switches
• Strong expertise with: Cisco Nexus 5K platforms
• Strong expertise with: Cisco IOS-XE
• Strong expertise with: Cisco ACI environments
• Experience with: Enterprise switch refresh projects
• Experience with: Network migrations and cutovers
• Experience with: Data center networking
• Experience with: Configuration migration and deployment
• Experience with: Maintenance-window implementations
• Strong understanding of Layer 2 and Layer 3 networking concepts
• Experience working within structured change management processes
• Ability to work onsite and support after-hours maintenance activities when required
Preferred:
• CCNP or CCIE certification
• Experience with Cisco FEX environments
• Previous enterprise data center migration experience
• Experience supporting high-availability production networks
Company:
VectorUSA is a technology and managed IT services company that designs, builds and maintains data, voice, and video networks. Founded in 1988, the company is headquartered in Torrance, USA, with a team of 201-500 employees. The company is currently Growth Stage.