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L2 IMS Core and Application Engineer

On-site Full-time

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Experience Level

Mid to Senior

Qualifications

1. Minimum 5 years of experience in IMS Core and Application Engineering.2. Strong knowledge of telecom protocols (SIP, SDP, H.248, DIAMETER) and IP protocols (TCP/UDP, TLS over TCP, IPSEC).3. Experience with various IMS interworking entities and components of distributed architectures.4. Proficient in Unix/Linux OS and scripting.5. Excellent analytical and log debugging skills.6. Relevant certifications in telecom or related fields will be an advantage.

About the job

We are seeking an experienced L2 IMS Core Engineer with a strong background in VoIP/IMS Core entities, such as P/I/S-CSCF, HSS, and SLF, along with expertise in VoLTE. The ideal candidate will have extensive experience in SIP call processing and supplementary services, as well as a deep understanding of telecom protocols and technologies including SIP, SDP, H.248, MGCP, and DIAMETER. Familiarity with IMS evolution, subsystems, functionalities, and call flows is essential.

Additionally, candidates should have experience with TLS, TCP, IPSEC, and IP protocols, and be adept at integrating and working with various components of a next-generation IP architecture, including soft switches, gateways, SIP proxies, route engines, IP media servers, and IP phones/IADs. Knowledge of IMS interworking entities and their interfaces, as well as session border controllers, NAT, firewalls, and L2 layer switches, is required.

For the L2 IMS Application Engineer role, we are looking for individuals with a good understanding of IMS subsystems interfaces and protocols. Candidates should have in-depth knowledge of telecom protocols and experience with GUI configurations of IMS core entities. Familiarity with WebRTC/WebSockets, Ericsson's MTAS, MIO, WCG, and IMS Application Servers (CAMEL/IS41) is a plus. Knowledge of DHCP and DNS server configurations, as well as debugging application layer logs, is also necessary.

About Squircle IT Consulting Services Pvt Ltd

Squircle IT Consulting Services Pvt Ltd is a premier IT solutions provider specializing in delivering top-tier services around ERP and Business Intelligence. Since our establishment in 2007, we have distinguished ourselves as a key player in the industry by combining technological excellence with domain expertise in PeopleSoft solutions. Our comprehensive service offerings range from implementation and business consulting to ongoing support, ensuring our clients receive the highest level of service and innovative solutions tailored to their needs.

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