System Integration Engineer

Job Overview :We are seeking a highly skilled Integration Engineer DSC & SC with extensive hands-on experience in Ericsson DSC (DRA/DEA/DA) products and strong knowledge of 5G Signaling Controllers (SCP/SEPP/BSF). The ideal candidate will have deep expertise in telecom signaling protocols, cloud/virtualization platforms, NFVi deployments, and end-to-end integration of Ericsson signaling solutions. This role requires strong technical leadership, customer engagement, and cross-functional collaboration across global teams.Key Responsibilities :Solution Design & Architecture :- Translate customer requirements into detailed High-Level Design (HLD) and Low-Level Design (LLD) for Ericsson DSC (DRA/DEA/DA) in 4G networks and SC (SCP/SEPP/BSF) in 5G environments.- Define comprehensive end-to-end solution architecture for signaling nodes aligned with Ericssons product portfolio and customer expectations.- Conduct network impact analysis and prepare design documents, reports, topology diagrams, and alignment statements.Deployment, Integration & Testing :- Lead deployment, configuration, and integration of DSC and SC nodes into customer networks.- Prepare CIQ files, environment files, and all necessary configuration documents for successful implementation.- Build, integrate, and validate NFVi/VNF-based solutions, ensuring complete readiness of the environment.- Prepare and execute Integration & Acceptance Testing Plans (ATP) in accordance with SOW and customer requirements.- Perform software upgrades, patches, and updates on live networks with minimal disruption.Network Operations & Troubleshooting :- Work on ENM/OSS for provisioning, fault management, performance management, and analytics.- Conduct integration and interoperability testing across 4G/5G signaling controllers.- Perform advanced troubleshooting and root cause analysis using Ericsson trace management tools and network analysis platforms.- Work closely with Ericsson Global Support and partner teams to resolve complex issues efficiently.Technical Leadership & Collaboration :- Lead System Integrator (SI) teams and provide technical guidance throughout the project lifecycle.- Drive escalations, manage customer crises, and ensure minimal downtime in live service environments.- Collaborate with cross-functional and multi-country teams, demonstrating strong communication and cultural awareness.- Act as a subject matter expert for DSC and SC technologies, providing mentorship and knowledge sharing.Required Skills & Expertise :- Strong hands-on experience with Ericsson DSC products:DRA, DEA, DA- Knowledge and experience with Ericsson SC nodes:SCP, SEPP, BSF- Deep understanding of telco signaling protocols :Diameter, SS7, SCCP, SIP, TCP/IP, Excellent knowledge of IMS/VoLTE, EPC, 5G Core, and TLS/mTLS signaling flows.- Experience with NFVi/VNF deployments, including creation and validation of environment files.- Proficiency with virtualization and cloud platforms:- CEE, CNIS, VMware, Red Hat OpenShift, KVM, OpenStack, Telco CloudPreferred Skills :- Strong analytical thinking and problem-solving abilities.- Experience with multi-vendor telecom ecosystems.- Ability to manage escalations and high-pressure situations.- Strong documentation, communication, and client-facing skills.Desired Skills and Experience :DSC Products (DRA/DEA/DA), SCP/SEPP/BSF, Diameter, SS7, SCCP, SIP, TCP/IP, IMS/VoLTE, EPC, 5G & TLS/mTLS Core signaling flows. (ref:hirist.tech)