Solution Architect
Summary
Solution Architect owning the architecture and lifecycle management (upgrades, patches, migrations, decommissioning) of IMS telecom nodes such as CSCF, TAS, SBC, and HSS for operators, with VoLTE/VoWiFi validation and L2/L3 troubleshooting. Core tech: IMS, SIP/Diameter, Linux, Kubernetes, OpenStack, cloud-native, Wireshark.
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.”