CSD Solution Engineer – Core Signalling Domain | Jobs To All | Noida / Bangalore / Chennai

Jobs To All; Dadri, Bengaluru, Chennai District; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

Jobs To All is searching for a seasoned CSD Solution Engineer to lead end-to-end core signalling deployment across Noida, Bangalore, or Chennai. You will configure, upgrade, and troubleshoot signaling nodes (DRA, DEA, SEP, SEPP, SCP, BSF) and analyze 4G/5G IMS/GSM call flows, leveraging Docker/Kubernetes for VNFs/CNFs.

Strong SS7/SIGTRAN/Diameter expertise is required. Ideal candidates have a deep telecom background, hands-on protocol debugging skills, and readiness for full-time deployment with

Qualifications

• Bachelor's degree in Telecommunications Engineering, Electronics, CS, or related field.
• Minimum 5+ years of telecom core network integration experience.
• Deep expertise in Core Signalling Domain architectures (DRA/DEA/SEP/SEPP/SCP/BSF).
• Strong knowledge of 4G/5G Core, IMS, and GSM call flows.
• Solid understanding of SS7, SIGTRAN (SCTP/M3UA), and Diameter protocols.
• Hands-on Docker and Kubernetes experience.
• Proficiency with Linux, Wireshark, and shell scripting.
• Available for full-time work across Noida, Bangalore, or Chennai.

Responsibilities

• Lead end-to-end deployment, integration, software upgrades, and troubleshooting of Core Signalling Domain elements.
• Configure and manage signaling nodes: DRA, DEA, SEP, SEPP, SCP, and BSF.
• Analyze and troubleshoot call flows across 4G Evolved Packet Core, 5G Core, IMS, and GSM.
• Manage signaling protocols: SS7, SIGTRAN (SCTP/M3UA), and Diameter interfaces.
• Deploy, scale, and manage VNFs and CNFs using Docker and Kubernetes.
• Perform packet capture analysis and trace diagnostics with Wireshark and Linux scripting.
• Collaborate with cross-functional teams including network engineers and operators.
• Execute integration testing, acceptance, and performance benchmarking.
• Ensure adherence to standards, security baselines, and timelines.
• Maintain technical diagrams, runbooks, and configuration logs.

Skills

CSD Architectures

DRA

DEA

SEP

SEPP

SCP

BSF

SS7

SIGTRAN

Diameter

Docker

Kubernetes

Wireshark

Linux scripting

Education

Bachelor's degree in Telecommunications/Electronics/CS

Tools

Docker

Kubernetes

Wireshark

Linux

Job description

Position Summary:

Jobs To All is seeking an experienced, highly technical, and accomplished CSD Solution Engineer specializing in the Core Signalling Domain with extensive telecom core network integration experience to join our client delivery team on a full-time basis across Noida, Bangalore, or Chennai [cite: Sumit Gupta]. In this specialized core network engineering role, you will spearhead deploying, integrating, upgrading, and troubleshooting complex signaling nodes including CSD, DRA, DEA, SEP, SEPP, SCP, and BSF across 4G and 5G core network architectures. You will work closely with cross-functional network planning squads, core engineering teams, and telecom operators to ensure robust signaling performance and seamless IMS/GSM call flows. Ideal candidates bring a robust academic background in telecommunications or computer engineering, deep practical mastery of SS7, SIGTRAN, and Diameter protocols, containerization platforms, and immediate availability for deployment.

Detailed Job Description:

As a CSD Solution Engineer – Core Signalling Domain at Jobs To All in Noida, Bangalore, or Chennai [cite: Sumit Gupta], you will take full ownership of end-to-end telecom core network integration, system deployment, software upgrades, and advanced troubleshooting. Your day-to-day responsibilities encompass configuring and validating signaling routing platforms (CSD, DRA, DEA, SEP, SEPP, SCP, BSF), analyzing call flows across 4G LTE and 5G Core, IMS, and GSM domains, and troubleshooting protocol transactions using Wireshark and Linux shell scripting. You will deploy Virtual Network Functions (VNFs) and Cloud-Native Network Functions (CNFs) utilizing Docker and Kubernetes, while managing SIGTRAN (SCTP/M3UA) and Diameter interfaces. Working in a fast-paced telecommunications environment, you will drive technical excellence, resolve critical network faults, and maintain rigorous deployment documentation.

Key Responsibilities:

• Lead end-to-end deployment, integration, software upgrades, and troubleshooting of Core Signalling Domain (CSD) network elements.
• Configure and manage signaling nodes including DRA (Diameter Routing Agent), DEA (Diameter Edge Agent), SEP, SEPP, SCP, and BSF.
• Analyze and troubleshoot complex call flows across 4G Evolved Packet Core, 5G Core, IP Multimedia Subsystem (IMS), and GSM domains.
• Administer signaling protocols and transport layers including SS7, SIGTRAN (SCTP/M3UA), and Diameter interfaces.
• Deploy, manage, and scale Virtual Network Functions (VNFs) and Cloud-Native Network Functions (CNFs) using Docker and Kubernetes.
• Perform advanced packet capture analysis, trace diagnostics, and troubleshooting utilizing Wireshark and Linux shell scripting.
• Collaborate closely with cross-functional core network engineering teams, software developers, and telecom operator clients.
• Execute rigorous integration testing, acceptance procedures, and performance benchmarking for core signaling rollouts.
• Ensure uncompromising adherence to telecommunications engineering standards, security baselines, and project timelines.
• Maintain comprehensive technical architecture diagrams, integration runbooks, and network configuration logs.

Required Qualifications & Skills:

• Bachelor's degree in Telecommunications Engineering, Electronics, Computer Science, or a related technical field.
• Minimum 5+ years of professional hands-on experience in telecom core network integration, signaling engineering, and deployment.
• Deep specialized expertise in Core Signalling Domain (CSD) architectures, including DRA, DEA, SEP, SEPP, SCP, and BSF.
• Strong practical knowledge of 4G and 5G Core Network architectures, IMS, and GSM call flows.
• Comprehensive understanding of signaling protocols: SS7, SIGTRAN (SCTP/M3UA), and Diameter.
• Solid hands-on experience working with containerization and orchestration platforms (Docker, Kubernetes).
• Proficiency in Linux operating systems administration, packet analysis with Wireshark, and shell scripting.
• Exceptional analytical, protocol debugging, problem-solving, and cross-functional communication capabilities.
• Professional availability for full-time employment across Noida, Bangalore, or Chennai [cite: Sumit Gupta].

Nice-to-Have Skills:

• Hands-on experience with cloud-native infrastructure platforms such as OpenStack and Red Hat OpenShift.
• Specialized knowledge of 5G Standalone (SA) roaming architectures and inter-PLMN security routing (SEPP).
• Experience developing network automation scripts using Python or Ansible for automated core node provisioning.
• Prior working experience with major telecom equipment vendors (e.g., Nokia, Ericsson, Huawei, Ribbon Communications).
• Advanced certifications in telecommunications engineering or Kubernetes administration (CKA).

Salary and Employment Details:

• Salary/Rate: Competitive and commensurate with experience
• Deadline: Open until filled
• Notice Period: Immediate to short notice preferred
• Contract Duration: Permanent / Full-Time (Noida / Bangalore / Chennai)

Recruitment Pro Tip:

When applying for core signaling and CSD solution engineer roles, ensure your resume explicitly highlights your hands-on experience with Diameter/SIGTRAN protocols, 4G/5G core integration, Kubernetes VNF/CNF deployments, and Wireshark trace analysis.