Engineer - Test Execution Core + Policy Charging

Lansing Community College; Philadelphia (Philadelphia County); On-site; USD 120,000 - 180,000; Full time

Job summary

Tech Mahindra Network Services has an opening for an Engineer - Test Execution Core + Policy Charging in Philadelphia, PA. The role requires expert knowledge of Ericsson charging, OSS/BSS interfaces and 3GPP QoS management to ensure accurate testing and activation flows.

The candidate should be proficient in offline/online charging architectures and Gx/Gy interfaces, with practical experience in DPI and policy control systems across 5G/LTE networks.

Qualifications

• Expertise with Ericsson Charging, Billing and activation systems.
• In-depth knowledge of 3GPP call flows and compliance.
• Strong understanding of 5G/CUPS/LTE Subscriber Policy (HSS/HLR).
• Experience with Offline/Online Charging architectures (PCRF/Gx/OCS).
• Familiarity with DPI, CDRs, Gy/quotas and charging rules.
• Experience with OSS/BSS protocols for billing and provisioning interfaces.

Skills

Ericsson charging

Billing systems

Activation systems

Switch control

3GPP call flows

5G / CUPS / LTE policy

Offline / Online charging

OCS / Gy / Gx

DPI parsing

PCRF / PCF / PCC

Gx charging rules

OSS / BSS protocols

Tools

SOAP

REST

Gz

DNS parsing

Job description

Location: Philadelphia, PA 19019 US (Primary)

Tech Mahindra Network Services has an opening for an Engineer - Test Execution Core + Policy Charging.

• Expertise with Ericsson Charging, Billing and activation systems
• Expertise of Switch Control and subscriber activation and provisioning systems.
• Expert knowledge of 3GPP call flows and compliance
• Knowledge of 5G / CUPS / LTE Subscriber Policy (HSS / HLR), Expertise with Offline / Online Charging architectures (such as PCRF Gx and OCS Gy, interfaces)
• Experience with OCS, CHF, CDRs, Gy, Gy metering, Online charging, Gy Quota, Sy, Gy redirection
• Knowledge of DPI (SPI (L3 / L4), L7 parsing, L7 Signatures, SNI technique, DNS parsing)
• Experience with PCRF, PCF, PCC, 3GPP QOS Management, Gx, Gx Charging rules
• OSS and BSS Protocols for billing and provisioning interfaces (Gz, SOAP, Rest)
• Knowledge of South/North bound APIs for integration and automation framework

With over 2000+ employees worldwide, come and enjoy a corporate culture that offers a competitive salary structure, encourages employee growth and thrives on its dynamic environment.

LCC, the largest independent telecom services company in the world with local presence in over 50 countries, is a recognized leader in providing consulting and network services to the telecommunications industry.

Proudly providing wireless expertise since 1983, we continue to be the thought leader in advanced engineering services and remain committed to offering innovative solutions, insight into cutting-edge developments and delivering advanced networking services to our clients.