RF Connect · 9 hours ago
Cellular Network Engineer
RF Connect is a team of industry leaders transforming connectivity. They are seeking a skilled Cellular Network Engineer to design, deploy, and operate core components of their mobile network infrastructure, focusing on the end-to-end lifecycle of cellular packet core nodes and IP networking equipment.
Telecom & CommunicationsHardwareInformation TechnologyInternetNetwork HardwareWireless
Responsibilities
Deploy, configure, and operate 4G/5G cellular packet core nodes (e.g., MME/AMF, SGW/UPF, PGW/SMF, HSS/UDM)
Perform software upgrades, feature activations, and node scalability enhancements
Monitor and troubleshoot core network performance, QoS, and signaling flows
Assist with integration of RAN, IMS, and OSS systems as needed
System administration for any server systems deployed in customer projects
Configure and maintain IP routers, switches, and firewalls supporting the mobile core
Implement routing protocols (OSPF, BGP, IS-IS) and traffic engineering policies
Ensure network security through firewall rule management, IPS/IDS support, and VPN/secure transport setups
Troubleshoot L2/L3 connectivity issues and perform root-cause analysis for outages
System administration for servers and systems
Manage Linux servers hosting core network applications and virtualized environments
Perform patching, system hardening, log analysis, and resource optimization
Support virtualization platforms (e.g., VMware, KVM, OpenStack) used for core network deployment
Develop automation scripts (bash, Python, Ansible) to streamline operations
Participate in on-call rotation for critical network services
Create and maintain documentation for deployments, configurations, and operational processes
Collaborate with cross-functional teams including RF engineering, security, IT operations, and vendor support
Support capacity planning, monitoring, and reporting to ensure network reliability and performance
Additional related duties may be assigned as needed to support the business & customers
Qualification
Required
At least three (3) years of experience with mobile packet core networks (4G EPC, 5G SA/NSA)
Proficiency with IP networking concepts, routing protocols, and firewall administration
Strong Linux system administration skills (CentOS, RHEL, Ubuntu)
Experience with network monitoring tools and log analysis (e.g., Wireshark, syslog, Prometheus)
Ability to understand and diagnose complex end-to-end network issues
Experience with virtualization and container technologies (KVM, VMware, Docker, Kubernetes)
Familiarity with network automation frameworks (Ansible, Terraform, Python scripting)
Knowledge of IMS architecture and VoLTE/VoNR call flows
Strong analytical and troubleshooting skills
Ability to work independently and collaboratively across technical teams
Excellent communication and documentation abilities
Proven ability to operate in a fast-paced, mission-critical environment
Bachelor's degree in electrical engineering, computer science, or related field, or an equivalent combination of experience, certifications, or other technical training
Any other related certifications of formal training related to Network Architecture & Administration
Benefits
Health benefits
HSA w/ company matching
401k w/ company matching
PTO w/ rollover