Solution Architect

Technology, Data & Digital · Software & Web Development · Software Engineering

In short

As a Solution Architect in Noida, India, you will own the architecture, technical planning, and delivery of IMS LCM scopes for telecom operators. This role involves leading end-to-end lifecycle activities, ensuring solutions align with standards, and troubleshooting complex IMS issues. You will act as the technical contact for customers and coordinate with various teams.

Responsibilities

Own technical design and execution for IMS nodes (CSCF, TAS, SBC, MRF, DNS/ENUM, 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.

Requirements

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.

Desired Qualifications

IMS/VoLTE or vendor product certifications.
Kubernetes, OpenStack, AWS/Azure, Linux, Wireshark, or ITIL certification.
Experience mentoring engineers and leading cross-functional technical teams.

Benefits

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.

Skills

SIPSDPDiameterRTPVoLTEVoWiFiEPC5GC3GPP standardsLinuxUnixKubernetesOpenStackDockerNFVSDNPythonShellAnsibleJIRADSFWiresharkITILAWSAzure

#IMS LCM#telecom#architecture#VoLTE#VoWiFi#SIP#Diameter#NFV/SDN#cloud-native#Python#Shell#Ansible#JIRA#DSF#Wireshark#ITIL#Kubernetes#OpenStack#AWS#Azure#Linux#Unix#multi-vendor

About Ericsson

Pioneering technology for connecting billions of people worldwide

Our purpose \nTo create connections that make the unimaginable possible.\n\nOur vision\nA world where limitless connectivity improves lives, redefines business and pioneers a sustainable future.\n\nOur values\nPerseverance, professionalism, respect and integrity.\n\nThe future is a place for purpose & vision – ours are clear, and we invite partners, customers and consumers to join us in our journey. \n\nFor a brighter future. For all. Let's #ImaginePossible

See all open jobs at Ericsson Read more about Ericsson Website