Telco BSS knowledge, Experience in Amdocs BSSe product, design, Development, testing, troubleshooting, and integration with billing systems, etc. Telecom OSS/BSS domain experience supporting landline or TDM voice network environments. Understanding of telecom switching systems such as: 4ESS, 5ESS Familiarity with TDM network operations, provisioning systems, inventory management, and service activation workflows. Exposure to legacy telecom communication frameworks such as Datakit and lib-e/G2. Experience with cloud migration and hybrid infrastructure deployment models. Knowledge of automation, scripting, and DevOps practices. ITIL process knowledge and operational support experience preferred.