IMS SBC Engineer (VoLTE) — C2C Contract, Dallas

Compnova Inc; Dallas (TX); On-site; USD 110,000 - 150,000; Full time

Job summary

CompNova is seeking an experienced IMS Support Engineer (SBC) in Dallas, TX on a contract/C2C basis. Candidates should have 3+ years in IMS core networks, VoLTE support, and hands-on Nokia SBC experience. Proficiency in Wireshark, Linux, and cloudized platforms like Kubernetes/VMware/OpenStack is required.

You will handle emergency cases, perform RCA, and develop automation scripts to optimize 4G/5G IMS core reliability. This role requires C2C eligibility and on-site availability in Dallas, TX.

Qualifications

• Bachelor's degree in Telecommunications Engineering, Computer Science, Electrical Engineering, or related field.
• Minimum of 3+ years of telecommunications engineering, IMS Core networks, and VoLTE support.
• Hands-on experience with Nokia SBC platforms, SIP, Diameter, and H.248 signaling.
• Proficiency in protocol analysis tools (Wireshark) and tracing internal message flows.
• Experience in LTE/5G system validation, KPI management, and performance tuning.

Responsibilities

• Provide expert-level technical support and emergency case handling for 4G/5G/LTE IMS Core networks.
• Administer, configure, and troubleshoot Nokia SBC platforms in production.
• Perform end-to-end system validation, KPI handling, and mobile device integration testing.
• Conduct RCA on outages and signaling failures; recommend corrective actions.
• Analyze protocol signaling using Wireshark and trace SIP, Diameter, H.248, TLS, IPSEC, RTP.
• Develop automation scripts in Python and Shell to streamline tasks.
• Manage containerized and virtualized workloads across Kubernetes, VMware, OpenStack, CBIS, CBAM, and NCS.
• Collaborate with client engineers, NOC, and field deployment teams.

Skills

Nokia SBC

SIP

Diameter

Wireshark

Linux

Python

Shell

Kubernetes

VMware

OpenStack

NCS

Education

Bachelor's degree in Telecommunications Engineering

Tools

CBIS

CBAM

NCS

Kubernetes

VMware

OpenStack

Job description

CompNova is seeking an experienced IMS Support Engineer (SBC) in Dallas, TX on a contract/C2C basis. Candidates should have 3+ years in IMS core networks, VoLTE support, and hands-on Nokia SBC experience. Proficiency in Wireshark, Linux, and cloudized platforms like Kubernetes/VMware/OpenStack is required.

You will handle emergency cases, perform RCA, and develop automation scripts to optimize 4G/5G IMS core reliability. This role requires C2C eligibility and on-site availability in Dallas, TX.