JD:
Required Skills
- 8+ years of Telecom Wireless Core Network experience.
- Strong hands-on experience with:
- PCRF (Policy and Charging Rules Function)
- PCF (Policy Control Function)
- OCS (Online Charging System)
- Extensive experience with AMDOCS/Openet Policy and Charging solutions.
- Strong understanding of LTE EPC and 5G Core architectures.
- Expertise in Diameter protocols and interfaces:
- Gx
- Gy
- Sy
- Rx
- Ro
- Experience troubleshooting policy and charging call flows.
- Strong understanding of subscriber policy management, QoS enforcement, charging rules, and policy control.
- Experience supporting carrier-grade production environments.
- Hands-on experience with Linux/Unix environments.
- Experience using packet capture and analysis tools such as Wireshark and tcpdump.
Preferred Skills
- Experience with 5G Service Based Architecture (SBA).
- Experience with PCF integration involving:
- SMF
- CHF
- NRF
- UDR
- AF
- Experience with Kubernetes, Docker, OpenStack, or cloud-native telecom deployments.
- Experience with automation and scripting (Python, Shell).
- Experience with telecom operators such as AT&T, Verizon, T-Mobile, Rogers, Bell, Telus, Vodafone, or similar Tier-1 carriers.
Responsibilities
- Design, deploy, configure, and support PCRF, PCF, and OCS platforms.
- Perform integration and troubleshooting of policy and charging solutions in LTE and 5G networks.
- Analyze Diameter signaling and resolve network issues involving Gx, Gy, Sy, Rx, and related interfaces.
- Support policy implementation for QoS, throttling, sponsored data, roaming, and charging use cases.
- Participate in software upgrades, migrations, and new feature deployments.
- Perform production support, incident management, root cause analysis (RCA), and issue resolution.
- Collaborate with vendors, operations teams, engineering teams, and network architects.
- Develop and maintain HLDs, LLDs, MOPs, test plans, and operational procedures.
- Support customer acceptance testing and production readiness activities.
Skills Required
- Bachelor's degree in Electrical Engineering, Computer Science, or related technical field or equivalent experience
- At least 5 years of professional wireless telecom experience
- Experience with call flow in VoLTE and data policy management and administration
- Experience with IMS, SIP and SS7 protocols
- Experience in Network Function Virtualization (NFV) and VMware
- Wireless service provider experience
- System-level knowledge and hands-on experience with two or more: LTE/EPC/4G/5G packet data core; policy/charging and QoS enforcement; IMS networks/services including RCS or VoLTE; billing and DB administration; data center operations and network routing
- Strong knowledge of deployment, integration, testing process, test strategy and test plans
- Basic understanding of TCP/IP networking
- Ability to communicate clearly and effectively
- Onsite work in Ridgeland, MS (onsite only)
- Knowledge of 3GPP IMS core standards
- JavaScript, Ansible or Python scripting experience
- Experience with Ericsson, Nokia, Samsung, Amdocs, Sandvine, HPE IMS/PCRF applications
- CCNA or AWS/Cloud Computing certification
- Strong background on Red Hat, Kubernetes, Docker
What We Do
WHO Founded in 2006 and headquartered in Redmond, WA. Our Senior Leadership team has more than 137 years of combined experience in the Telecommunications and Software Industry. Inabia is built on family values and close-knit culture. This commitment extends to the relationships we build with both our employees and our business partnerships. As a Minority Certified business, we strive to positively impact society through technology, people, and innovation. WHAT For over a decade, we have been providing powerful IT and business solutions to individuals and businesses alike. Here at Inabia, we believe that our success reflects our clients’ success. HOW We are fortunate to be situated in a city where technology and innovation is not only appreciated; but part of day to day lives. We are a growing company that has adapted and evolved our approach, helping us to exceed the ever-changing needs and requirements of our clients. WHY We are a company that fosters and values relationships, as a result many of our clients have been with us from the start of our journey. We ensure that our partners have access to best-in-class professional support, management consulting and staffing services. We make sure our consultants are carefully screened and selected based on their experience. This process ensures that we meet or exceed the specific needs of our clients.
