JD – Solution Architect, OAM (2G/4G/5G)

Role overview

• Position: Solution Architect, Unified OAM for 2G, 4G and 5G RAN
• Location: Gurgaon
• Experience: 12+ years in 4G/5G OAM product development, plus years leading delivery of OAM programs
• The role: own the OAM architecture and design from discovery to design sign-off, then guide the team through implementation and release

Key responsibilities

• Own the OAM architecture: a RAT-independent core (boot orchestrator, configuration, fault, performance, process health, software and log, inventory managers) with RAT adapters kept separate
• Define one configuration tree and one alarm and counter framework across 2G, 4G and 5G, with conflict checks on shared resources
• Design the northbound layer (SNMP agent and MIB, XML or NETCONF server, syslog client) and the O1 interface to an SMO
• Design the RU M-plane manager (NETCONF client, YANG models) for 4T4R and 32T32R massive MIMO RUs, including array, beamforming and calibration objects
• Design the fronthaul and sync manager: clock priority (local GNSS, external PTP, SyncE), hardware holdover and cell gating signalled to L1
• Define the HAL so the same OAM runs on the platforms like Qualcomm and Intel
• Design process health supervision and recovery levels

• Lead onsite discovery: study the existing OAM and platform, confirm assumptions and scope additions, and take the design to customer sign-off
• Map 3GPP and O-RAN requirements (CM, FM, PM, trace) to design components and the test plan
• Break the design into work for core OAM, RAT, M-plane, northbound and base platform teams
• Review design, code and test results; mentor senior leads and developers
• Work with the test lead on a framework with traceable test cases, simulators and automated regression
• Drive debugging and root-cause analysis on integration, performance and field issues

• Be the technical contact for senior customer and internal stakeholders
• Escalate risks, dependencies and gaps early, and keep the program head informed

Required skills and experience

• 12+ years in 4G/5G OAM product development, plus additional years driving delivery of OAM development programs
• Has architected OAM for both RAN and Core, from requirements through design, development, testing and deployment
• Has led large OAM development, sustenance and customer support programs
• Hands-on with 2G BTS O&M (Abis OML) or multi-RAT OAM
• DPDK, PREEMPT-RT Linux, and platform HAL or BMC integration experience
• Experience with massive MIMO RU management (arrays, beamforming, calibration)
• Exposure to Intel or Qualcomm based baseband platforms
• Experience running a customer-facing design or discovery phase
• Test automation with pytest or Robot Framework and simulators

• 4G/5G network architecture and network management principles
• CM: 3GPP TS 32.602, 32.612 (4G); TS 28.531, 28.532 (5G)
• Data models: TS 32.622, 32.762, 32.752 and 28.622 (4G, generic NRM); TS 28.541 (5G NRM)
• FM: TS 32.111-2 (4G); TS 28.111 and 28.532 (5G)
• PM, counters and KPIs: TS 32.412, 32.425, 32.426, 32.432, 32.450, 32.455 (4G); TS 28.550, 28.552, 28.554, 38.314 (5G)
• Trace and MDT: TS 32.422, 32.423, 32.442
• O-RAN OAM: O1 interface, O1 NRM and PM measurements (WG10), O-DU and O-CU O1 (WG5), Management Plane (WG4), O2 (WG6)

• OAM module development and testing for RAN and Core
• Fronthaul M-plane over NETCONF and YANG; PTP, SyncE and GNSS sync concepts
• C/C++ (C++11 or later) and Python, with solid OO design
• Multi-threading and multi-processing architectures on Linux; real-time Linux exposure
• Docker, Kubernetes and container platforms; KVM virtualization
• Build systems (makefiles) and CI/CD
• Data formats and protocols: ASN.1, XML, JSON, YAML, HTTP(S), SNMP, Kafka, NETCONF and YANG

• Reviews and mentors high-performing OAM teams toward delivery excellence
• Communicates clearly with senior internal and external stakeholders

• B.E./B.Tech or M.E./M.Tech in Electronics, Telecommunications, Computer Science or a related field