Associate Engineer/Engineer- Wireline

## Join our Team About This Opportunity We are hiring across multiple levels within our Fixed Line Core and IMS VOBB operations team — from skilled L2 Engineers to experienced Senior Engineers and strategic Team Leads. You will be part of a high-performing, multi-vendor network environment supporting critical voice, signaling, and IMS infrastructure across platforms from Ericsson, Nokia, Oracle, Ribbon, Tekelec, and Genband. Whether you are building your core network career or leading a team through technology transformation, this is a compelling opportunity to grow and make real impact in a technically rich, fast-evolving environment. You Will Bring Engineer (Level 2) • 2–4 years of experience in fixed line core or VOBB network operations • Basic understanding of SS7, SIGTRAN, SIP, and Diameter protocols • Foundational knowledge of IMS architecture and VoIP concepts • Familiarity with telecom nodes — DSR, STP, SBC, HLR/SDM • Working knowledge of Linux/Unix environments • Understanding of VOBB and fixed line call flows • Strong troubleshooting mindset and analytical skills Senior Engineer (Level 3) • 4–8 years of experience in fixed line core and IMS/VOBB networks • Strong expertise in IMS Core functions — CSCF and TAS • Deep knowledge of SS7, SIGTRAN, Diameter routing, SIP, and RTP • Hands-on experience with Wireshark and protocol-level trace analysis • Understanding of high availability and network redundancy design • Scripting skills in Python or Shell (advantageous) • Detailed end-to-end understanding of VOBB and fixed line call flows What Will You Do Engineer (Level 2) • Monitor and maintain network nodes including Ribbon SBC & Analytics, Oracle STP/SBC (MNP & EIR), Nokia MSS & Media Gateway, Ericsson IMS/SDM/5GC, and Genband DMS/CS2K/C20 • Perform alarm monitoring, first-level fault analysis, and incident ticket management • Execute routine health checks and preventive maintenance activities • Support incident resolution under guidance of senior engineers • Perform basic configuration changes and operational script execution • Maintain accurate network documentation and update records Senior Engineer (Level 3) • Lead advanced troubleshooting across Tekelec DSR, Oracle STP/SBC, Ribbon SBC & Analytics, Nokia MSS & Media Gateway, Genband DMS/CS2K/C20/TAS, and Ericsson IMS/vIMS/VoLTE TAS/SDM/csDRA/5GC • Conduct deep protocol analysis across SIP, Diameter, and SS7 layers • Manage and resolve critical incidents (P1/P2) and lead Root Cause Analysis (RCA) • Optimize network performance and contribute to capacity planning • Implement configuration changes, software upgrades, and network migrations • Support interconnect management, call routing, and subscriber service configurations • Collaborate with vendors for bug fixes, patches, and technical escalations Key Qualifications • Bachelor's or Master's degree in Telecommunications, Computer Science, Electrical Engineering, or a related field • Relevant experience based on level — 2–4 years (L2), 4–8 years (L3), 8–15+ years (Team Lead) • Knowledge of core telecom protocols — SS7, SIGTRAN, SIP, Diameter, and RTP