Job Description: RAN Engineer (Huawei / Nokia / ZTE / Ericsson)Job SummaryWe are seeking a Radio Access Network (RAN) Engineer to operate, maintain, and optimize wireless access networks across 2G, 3G, 4G, and 5G technologies. The role covers daily operations, performance management, troubleshooting, network changes, and continuous network evolution, with responsibilities defined according to experience level.Vendor EnvironmentHuaweiNokiaZTEEricssonExperience LevelsRAN Engineer: 3–5 YearsSenior RAN Engineer: 5–8 YearsExpert / Lead RAN Engineer: 8+ YearsResponsibilities & Technical Requirements by Experience Level3–5 Years (RAN Engineer)RAN Fundamentals & ConfigurationStrong understanding of GSM / UMTS / LTE / 5G fundamentals and conceptsKnowledge of site-level hardware, including BTSX900, and basic SRAN configurationFamiliarity with U2020 / CME management systemsPerformance & AlarmsAwareness of RAN alarms, main KPIs, and counters, including alarm meanings and impactAbility to identify alarm impact and support troubleshooting to resolve KPI degradationOperations & CoordinationAbility to communicate and coordinate with:Field Operations (FO), Core, Microwave (MW), FM, Management, and L1 customersUnderstanding of incident escalation matrix and reporting proceduresMaintenance & Change ActivitiesPerform health checks and prepare basic preventive maintenance reportsImplement low-risk change activities following network change management processesSupport site acceptance activities and customer follow-up5–8 Years (Senior RAN Engineer)RAN Architecture & HardwareFull knowledge of Huawei RAN hardware:BSC, BTS, NodeB, eNodeB, gNodeB (different types)Strong command of RAN configurations across 2G/3G/4G/5GAdvanced Operations & MaintenanceHands-on experience with:RehomingSoftware / OS upgradesLicense and certificate activitiesExpert understanding of RAN alarms, KPIs, and technical complaint resolutionNetwork Expansion & OptimizationPerform expansions on interfaces:A, Gb, IuCS, IuPS, IuRExecute basic LTE / NR configurationsCollect and analyze logs and traces for troubleshooting and optimizationGovernance, Security & ProcessesSupport Key Event Assurance, emergency handling, and network risk mitigationConduct network health checks and support drilling testsBasic knowledge of cybersecurity, network, and information securityStrong experience in:RFC / MOP creation and approvalsITR / SD processesManage SR processes with ETAC / GTAC and ensure customer satisfactionAdvanced usage of iMaster U2020 and CME, including solution preparation and implementation8+ Years (Expert / Lead RAN Engineer)Performance, KPIs & GovernanceExpert-level knowledge of Huawei RAN KPIs and counters, including KPI degradation analysisStrong command of:Network change managementIncident managementBacktracking regulationsTechnical Leadership & Cross-Domain ExpertiseLead and handle complex incidents and cross-product activitiesWorking knowledge of other network domains:MicrowaveCS CorePS CoreIP Backbone (IPBB)Capacity, Planning & AuditsBasic to intermediate knowledge of Wireless BSS capacity planningPerform network audits and health checks based on customer requirementsManage BSC license management via ESDP systemsAdvanced Knowledge & Continuous ImprovementAwareness of SS7 signaling, M3UA applications, and SCTP protocolActively participate in TMO, mentoring, and technical training programsContinuously update knowledge of new RAN technologies and features and drive adoptionStrategy, Design & LeadershipDeliver network insights, contingency planning, and topology designLead technical teams and drive:Risk identificationRisk mitigation strategiesTranslate customer requirements into end-to-end RAN technical solutionsGeneral Competencies (All Levels)Strong troubleshooting and analytical skillsExperience working on live mobile networksClear documentation and reporting skillsStrong coordination and communication abilitiesCommitment to continuous learning and technology evolution