Mobile Core Network Engineer Jobs (NOW HIRING)

What You Will Do

Inall ofyour duties, you will have a relentless, obsessive, yet disciplined approach tomanageall details to perfection anddeliverdesired results.

For positions at level I, your duties would include:

Assistwith the design, deployment, configuration, and maintenance of LTE EPC and 5G packet core network elements.

Support integration and testing of packet core components with RAN, transport, and IP/MPLS infrastructure.

Develop andmaintainMethods of Procedure (MOPs), network documentation, and configuration records.

Monitornetwork performance, troubleshoot service issues, andassistwith root cause analysis activities.

Collaborate with Network Operations, Engineering, and vendor partners tomaintainreliable network performance.

Participatein capacity planning, software upgrades, and modernization initiatives.

For positions at level II, your duties would include:

Design, deploy, configure, andoptimizeEPC and 5G NSA packet core environments.

Coordinate implementation of packet core upgrades, migrations, and maintenance activities.

Perform advanced troubleshootingutilizingpacket capture and protocol analysis tools.

Support integration of packet core functions with transport, RAN, charging, and policy platforms.

Develop project timelines, capacity plans, and implementation estimates.

Drive operational improvements through automation, configuration management, and process enhancements.

For positions at level III, your duties would include:

Lead the architecture, deployment, optimization, and lifecycle management of LTE EPC and 5G Standalone core infrastructure.

Serve as the technical lead for packet core projects, including software upgrades, capacity expansions, and network modernization initiatives.

Guide EPC-to-5GC migration strategies, interworking, network slicing, QoS, and policy management.

Mentor engineers, provide technical leadership, and influence architectural decisions across multiple engineering teams.

Lead complex troubleshooting efforts across multi-vendor packet core environments while coordinating with vendors and internal stakeholders.

Drive network automation, cloud-native deployment strategies, and continuous operational improvements.

Performadditionalduties as assigned.

This position is an exceptional introduction to mobile core network engineering, as there is plenty of room to grow and learn from outstanding individuals in the field. From Services Engineer you will have a perfect springboard into all areas of C Spire and develop robust engineering, automation, and leadership skills.

What You Will Bring

As a C Spire teammemberyou will bring a relentless obsession to be the best in our industry and a winning mentality, determined to outsmart and outdo competitors. You will have a single-minded commitment to unbeatable internal customer and external candidate experience. To support our Network Engineeringteamyou will have an unapologetic passion for innovation and technology and an uncompromising drive toward continuous improvement.

In addition to that, werequireforServices Engineer I:

Bachelor's degree in Information Sciences, Computer Science, Telecommunications, or equivalent professional experience.

Foundational knowledge of LTE EPC architecture, IP networking, and mobile core concepts.

Understanding ofIPv4/IPv6 networking, Layer 2/3 technologies, and GTP protocols.

Strong written and verbal communication skills.

We will give special consideration to candidates who have:

RHCSA, Nokia Gateway, or comparable entry-level networking certification.

Familiarity with 5G NR architecture and 3GPP standards.

Linux or UNIX command-line experience.

Basic knowledge of mobile network security.

For Services Engineer II we require:

Bachelor's degree in Information Sciences, Computer Science, Telecommunications, or equivalent professional experience.

Experience configuring and supporting EPC network functions including MME, SGW, PGW, HSS, and PCRF.

Working knowledge of 5G NSA architecture, Diameter, GTP, RADIUS, and mobile transport technologies.

Experience using packet analysis tools such as Wireshark ortcpdump.

Strong understanding of BGP, OSPF, MPLS, and high-availability networking environments.

Excellent written and verbal communication skills.

We will give special consideration to candidates who have:

CCNP or comparable professional networking certification.

Experience supporting 5G Standalone core network functions.

Experience with cloud-native network functions, Kubernetes, OpenStack, or Linux administration.

Experience with Ericsson, Nokia, Cisco, Huawei, Mavenir, or similar vendor platforms.

For Services Engineer III we require:

Bachelor's degree in Information Sciences, Computer Science, Telecommunications, or equivalent professional experience.

Expert-level experience supporting LTE EPC and 5G Standalone corearchitectures.

Advanced knowledge of 3GPP standards, EPC-to-5GC interworking, network slicing, and mobile core protocols.

Experience leading packet core deployments, modernization projects, and complex engineering initiatives.

Strong knowledge of cloud-native networking, virtualization, automation, and network lifecycle management.

Demonstratedleadership, mentoring, and cross-functional collaboration skills.

Exceptional written and verbal communication skills.

We will give special consideration to candidates who have:

CCNP Service Provider, CCIE, JNCIP-SP, or comparable expert-level certification.

Experience with Open RAN, MEC, network automation, CI/CD, Terraform, or Ansible.

Experience with Nokia NFM-P/NFM-T or other carrier-grade OSS platforms.

Expertisein QoS optimization, traffic engineering, and mobile core performance management.

What You Will Gain

A great workplace needs more than dental coverage, though we provide that and excellent health insurance. Butthat'sjust the start. We make sure working at C Spire is the best career experience around. And Forbes has named us one of America's Best Midsize Employers multiple times because of it. We also offer:

Competitive Compensation Package

Blue Cross Blue Shield Health Insurance

Tuition Assistance Programs

Complimentary Wireless Service & Device*

401k Match

Teladoc Telemedicine

WellBeaconWellness Program

Paid Talent Referral Opportunities

Tailored learning paths for every position

Physical Requirements and Working Conditions

Must be able to sit for extended periods andoperatea computer keyboard and/or mouse while viewing a computer screen. Must be willing toworka flexible schedule shared by other department members, which may include normal and differential shift schedules. Must be available for on-call network support, including evenings, weekends, and holidays, asrequired.

*Complimentary wireless service and device available to team members in our wireless footprint.