Solution Architect

## Join our Team About this opportunity: Own the architecture, technical planning, and delivery of IMS LCM scopes for telecom operators. Lead end-to-end lifecycle activities—from upgrades and patches to expansions, migrations, hardware replacements, maintenance, and decommissioning—while protecting service continuity and providing technical leadership across SDU and SDH teams. What you will do: * Own technical design and execution for IMS nodes, including CSCF, TAS, SBC, MRF, DNS/ENUM, and HSS. * Ensure solutions align with HLD/LLD, customer requirements, CPI, and 3GPP standards. * Prepare and review NIRs, MOPs, upgrade, rollback, and contingency plans. * Lead live-network LCM activities, upgrades, testing, acceptance, and handover. * Validate VoLTE, VoWiFi, SIP/Diameter signaling, call flows, configurations, and KPIs. * Troubleshoot complex IMS issues, perform RCA/CAPA, and provide L2/L3 support. * Act as the technical contact for customers and coordinate with Cloud, PACO, Transport, and vendor teams. * Track plans, risks, milestones, and technical documentation in JIRA/DSF. * Support effort estimation, capacity planning, mentoring, and knowledge sharing. The skills you bring: * 10+ years of telecom experience with hands-on IMS LCM, upgrades, migrations, and live-network activities. * Strong knowledge of IMS architecture: CSCF, TAS, SBC, MRF, DNS/ENUM, and HSS. * Expertise in SIP, SDP, Diameter, RTP, VoLTE, VoWiFi, EPC/5GC, and 3GPP standards. * Experience in IMS troubleshooting, signaling analysis, RCA, KPI monitoring, and tools such as Wireshark. * Working knowledge of Linux/Unix, Kubernetes, OpenStack, Docker, NFV/SDN, and cloud-native environments. * Exposure to Python, Shell, or Ansible automation and tools such as JIRA/DSF. * Strong customer communication, stakeholder management, leadership, and problem-solving skills. * Experience working in multi-vendor telecom environments. * IMS/VoLTE or vendor product certifications. * Kubernetes, OpenStack, AWS/Azure, Linux, Wireshark, or ITIL certification. * Experience mentoring engineers and leading cross-functional technical teams. * Safe and successful IMS upgrades and lifecycle activities. * Service continuity with minimal network impact. * Timely troubleshooting and resolution of technical issues. * Accurate technical documentation, configurations, and handover. “All academic credentials must be from recognized and accredited institutions and are further subject to verification.”