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Mobile Core Network Engineer Jobs in Seattle, WA

Ziply Fiber

Senior Network Engineer - Optical

Kirkland, WA · On-site

$110 - $165/hr

Deliver wavelength services to the core IP network in a way that complements the architecture and ... Partner with systems engineering to automate network provisioning and turn-up tasks wherever ...

Microsoft

Cloud Network Engineering IC3

Redmond, WA · On-site

As a Cloud Network Engineer II , you will help design, deploy, and operate Microsoft's global wired ... Core network engineering: You will engineer and support enterprise network services including ...

Amazon

Network Development Engineer II

Seattle, WA · On-site

The Core Networking team is looking for a Network Development Engineer to join our Network Fabric Engineering (NFE) team. As a Network Development Engineer, you will be responsible for building ...

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All JobsMobile Core Network Engineer JobsMobile Core Network Engineer Jobs in Seattle, WA

Mobile Core Network Engineer information

See Seattle, WA salary details

$35.3K

$124.1K

$179.8K

How much do mobile core network engineer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for mobile core network engineer in Seattle, WA is $124,090.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,300.00 and $151,900.00 per year, depending on experience, location, and employer.

What is a mobile core network engineer?

A Mobile Core Network Engineer is responsible for designing, implementing, and maintaining the core network infrastructure that enables mobile communication services. They work with technologies such as 4G LTE, 5G, and VoLTE to ensure seamless connectivity, call processing, and data transmission. Their tasks include network optimization, troubleshooting, integrating new services, and ensuring high availability and performance of the core network. They collaborate with various teams, including radio network engineers and software developers, to enhance network efficiency. This role requires strong knowledge of telecommunications protocols, networking principles, and emerging mobile technologies.

What are some typical daily responsibilities for a mobile core network engineer?

Mobile Core Network Engineers are responsible for configuring, monitoring, and optimizing core network infrastructure to ensure reliable data and voice services. Their daily tasks include troubleshooting network issues, implementing upgrades or patches, analyzing performance metrics, and coordinating with teams across planning, operations, and security. The role often involves responding to incidents promptly, maintaining system documentation, and supporting network integration projects. Collaboration with other engineers and departments is key, making this position both technically rewarding and highly interactive.

What are the key skills and qualifications needed to thrive as a mobile core network engineer?

To thrive as a Mobile Core Network Engineer, you need in-depth knowledge of mobile network architecture, protocols like LTE/5G, and a background in telecommunications or computer science. Hands-on experience with core network elements (EPC, IMS), network monitoring tools, and certifications such as CCNP or vendor-specific credentials are highly valued. Strong analytical thinking, effective communication, and the ability to work both autonomously and in cross-functional teams are essential soft skills. These competencies ensure robust network performance, smooth issue resolution, and seamless collaboration in complex mobile environments.

What are the most commonly searched types of Core Network Engineer jobs in Seattle, WA?

The most popular types of Core Network Engineer jobs in Seattle, WA are:

What are popular job titles related to Mobile Core Network Engineer jobs in Seattle, WA?

For Mobile Core Network Engineer jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Mobile Core Network Engineer jobs in Seattle, WA look for?

The top searched job categories for Mobile Core Network Engineer jobs in Seattle, WA are:

What cities near Seattle, WA are hiring for Mobile Core Network Engineer jobs?

Cities near Seattle, WA with the most Mobile Core Network Engineer job openings:

Mobile Core Network Engineer jobs near you
Infographic showing various Mobile Core Network Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 16% Part Time, and 3% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $124,090 per year, or $59.7 per hour.

Network Engineer, Mobile Core Network Services

Vailexa

Bellevue, WA

Full-time

Re-posted yesterday

Job description

Build More Than Just a Career. Build Your Future.

At Vailexa, we're not just hiring — we're building thinkers, creators, and future leaders.

We believe in giving people the space to grow, the freedom to think, and the opportunity to create real impact from day one. If you're someone who wants to learn fast, take ownership, and grow beyond limits, you'll feel right at home here.

Job Title: Network Engineer, Mobile Core Network Services                       

Location: Bellevue, Washington 98004

Onsite/Remote: Onsite (5 days/week) (Local Candidates)

Previous Cisco Experience Required: Needs to be extremely well-versed in all things Cisco / Cisco products

 Position Overview/Role Summary:

Client is seeking an experienced Network Engineer to support testing, deployment, upgrades, and operational optimization within a mobile core networking environment. This role will focus on validating network solutions, supporting production implementations, consulting on network design, and providing technical expertise during large-scale network initiatives. The ideal candidate brings strong hands-on experience with mobile core technologies, network testing methodologies, and production network support.

Responsibilities:

  • Provide technical guidance and advisory support for network enhancements, infrastructure upgrades, and architecture improvements.
  • Collaborate with stakeholders to understand testing objectives, technical requirements, and business goals.
  • Develop, execute, and document network test plans and communicate results through professional reporting.
  • Support the design, implementation, and validation of laboratory environments, feature enhancements, and infrastructure upgrades.
  • Create migration documentation and support activities associated with transitioning solutions from laboratory environments into production.
  • Provide technical insight during escalation activities and collaborate with support organizations to accelerate service restoration.
  • Consult on network architecture with emphasis on resiliency, scalability, performance, and service quality.
  • Review and assess proposed network changes for risk, impact, and implementation readiness.
  • Support major deployment events and assist with troubleshooting hardware and configuration issues.
  • Share technical knowledge through documentation, informal training sessions, and knowledge transfer activities.
  • Participate in recurring customer meetings, service reviews, and operational planning discussions.
  • Contribute to operational reporting, risk assessments, and future planning activities.

 

Required Qualifications:

  • Experience supporting mobile core network environments, including packet core technologies.
  • Strong understanding of 5G networking concepts and call flow analysis.
  • Experience developing and executing structured network testing plans.
  • Ability to create technical documentation, including test reports, implementation plans, migration guides, and operational reports.
  • Experience supporting production network deployments and infrastructure upgrade activities.
  • Knowledge of network design principles including resiliency, scalability, fault recovery, and Quality of Service.
  • Experience evaluating implementation procedures and conducting change impact assessments.
  • Strong troubleshooting skills for network hardware, software, and configuration issues.
  • Excellent verbal and written communication skills.
  • Ability to work onsite during standard business hours (8 AM - 5 PM)
  • Ability to participate in after-hours deployment activities and respond to critical incidents when required.

 

Preferred:

  • Experience working within large enterprise or service provider network environments.
  • Experience supporting laboratory to production migration initiatives.
  • Previous experience delivering technical workshops, training sessions, or knowledge transfer activities.
  • Industry certifications related to networking or telecommunications.
  • Experience participating in customer-facing technical reviews and operational governance meetings.

 

Tools & Technologies:

  • Cisco Enhanced Packet Core
  • 5G Mobile Networks
  • Network Testing and Validation Tools
  • Packet Analysis and Troubleshooting Tools
  • Network Monitoring Platforms
  • Technical Documentation Tools
  • Change Management Processes

Working Conditions

  • Standard business hours coverage, 5 days per week; occasional overtime coverage may be required and must be approved.
  • Onsite presence required; unplanned/unscheduled absences are not permitted without prior formal notice and approval.
  • Planned absences (e.g., vacation) require advance written approval to avoid resource overlap.

Ready to take the next step?

If you're excited about this role and ready to grow with a team that values ambition, ideas, and impact — we'd love to hear from you.

???? Apply now and start building your journey with Vailexa.