{"id":1884062,"url":"https://alion.io/job/mtn-cameroon-job-opportunity-engineer-core-network-operations","title":"Job opportunity :Engineer - Core Network Operations","company":{"id":177590,"name":"MTN Cameroon","domain":"mtn.cm","url":"https://alion.io/company/mtn-cameroon","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Douala, Cameroon"],"countries":["CM"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":21000,"max_usd":50000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":648},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DNS","optional":false},{"name":"Ignite","optional":false},{"name":"Supervision","optional":false},{"name":"TCP/IP","optional":false},{"name":"PyTorch","optional":true},{"name":"Wireshark","optional":true}],"status":"live","first_seen_at":"2026-09-15T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-09-15T00:00:00Z","board_verified":false,"closed_at":null,"days_open":36,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":36},"description":"JOB ADVERTISEMENT : Engineer - Core Network Operations - MTN Cameroon - Mobile Telecommunication Networks\r\nEngineer - Core Network Operations.Technology\nDouala, Littoral, Cameroon (On-site)\nTrending\nWant to know more about us? We’ve got you! Please scroll to the end of the section to get to know us better.\n\nJob Description\nWe at MTN Cameroon are a purpose and value-led organization.\n\nAt MTN Cameroon we believe that understanding our people’s needs and aspirations is key to creating experiences that delight you at work, every day. We are committed to fostering an environment where every member of our Y’ello Family is heard, understood, and empowered to live an inspired life. Our values keep us grounded and moving in the right direction. Most importantly, they keep us honest. It is not something we claim to be. It is in our DNA.\n\nAs an organisation, we consider it our mission to create an exciting and rewarding place to work, where our people can be themselves, thrive in positivity and ignite their full potential. A workplace that boosts creativity and innovation, improves productivity, and ultimately drives meaningful results. A workplace that is built on relationships and achieving a purpose that is bigger than us. This is what we want you to experience with us!\n\nOur commitments go beyond an organisational promise. It is in our leadership and managerial ethos to meaningfully partner with our employees, customers, and stakeholders with a vision to realise our shared goals. \n\nOur values dubbed, LIVE Y’ello, are the cornerstone of our culture.\n\nLead with Care\n\nCan-do with Integrity\n\nCollaborate with Agility\n\nServe with Respect\n\nAct with Inclusion\n\nResponsibilities\nAccountable for developing and implementing processes and procedures to integrate new nodes, links and services in the Core network of MTN Cameroon. \nResponsible for the implementation of all core systems, change requests, testing and reviewing performance before and after every change completion. \nResponsible for the review of all Core systems’ statistical performance daily with reports shared accordingly. \nResponsible for supporting local teams & providing guidance on troubleshooting of general & specific network faults \nManagement and coordination of the activities and performance for all 3rd party vendors delivering specific core services for MTN Cameroon such as GTP, SS7 and SMS firewall. \nResponsible for building the necessary communication requirements among different departments: IN, Billing, Planning & IS teams, etc...\nResponsible for handling all UAT/PAT testing with project implementors and/or other departments during project acceptance.\nEnsure all UAT/PAT issues are resolved and documented. \nResponsible for the resolution of all vulnerabilities on the Core systems.\nProvide other departments with technical core systems information upon request\nResponsible for the scheduling of Disaster Recovery Plan activities and documentation thereof in line with MTN Cameroon’s business continuity plan. \nResponsible for the coordination of vendor service requests per the agreed SLAs\nAudit of core systems configurations to ensure homogeneity in pooled systems.\nPromote the use of intelligent tools for Core network service analytics to enhance operational excellence.\nParticipate in core network (Circuit Switch, Packet Switch) area trouble shooting, remote / on-site support and emergency recovery activities.\nProvide guidance to both planning and project teams in the adoption and implementation of core network solutions.\nAbility to schedule regular reporting sessions with Managed service partners and 3rd parties and report to upper management on core systems performance.\nEnsure all Core systems backups are up to date in compliance with BCP guidelines.\nSupport internal and external audit engagements pertaining to core network systems.\nInvolve in the System / Function Verification, trial project and support activities.\nProvide technical support in the core network (Circuit Switch, Packet Switch) area towards Marketing Unit, Customer service, and other departments.\nPerform new product lab test, customer environment qualification and integration\nmaintenance of effective PS and CS network elements and implementation of network requirements and specifications to support business strategic, services and products\nPerform a full system test daily as required by circumstances.\nSupervision and troubleshooting of core network problems as they arise and ensure it stays fully operational.\nDeveloping and maintaining the knowledge base for networking technologies.\nProcedures and providing consulting support to project team as the need arises.\nCarry out installations, preventive maintenance and troubleshooting on nodes (MSC, \nMSS, MSC-S Blades, STP, DRA/DEA, SGSN-MME, GGSN/EPG, PCRF, PCEF, MGW, SBG HLR-FE, HSS-FE, EIR-FE, CUDB, IMS, vSBG, DNS.\nManage stakeholder relationships with other Telcos and partners in the set up and operation of shared mobile services\nManage performance of MS (Managed Service) partners and 3rd party vendors in delivering world class core systems’ performance\nPerforming software upgrade in Core nodes (PNF&VNF&CNF) \nManaging and coordinating roaming configurations and routine tests \nPrepare reports daily, weekly, and monthly reports for engineers, Management and Group \n\nQualifications\nEducation:\n\nB.Sc. in Electrical/ Electronic or Telecommunications Engineering\n\nWork Experience:\n\nAt least 5 years’ work experience in Core CS&PS Network\nExperience in troubleshooting TCP/IP with protocol analyzers, Wireshark\nProven experience in Core CS&PS Network operations\nExperience in the ZTE, Huawei and Ericsson Core equipment portfolio will be desirable.\n\nTraining/Certification\n\nZTE ZXUN EPC/PCRF/NCEE/DRA Product Operation and Maintenance\nNFV(TCES)） Intermediate Training\nZTE ZXUN CS&USPP/VoLTE/RCP/ Product Basic Operation and Maintenance\nGSM/WCDMA MSC/MSC-S R13.2 Configuration (ERICSSON)\nEricsson Centralized User Database (CUDB) 13B Operation and Service \nConfiguration\nGSM System Survey and GPRS System Survey\nISO 9001: 2015 Quality Management System-Requirements\nITIL V3 frameworks\nFluency in English and French \nTelecommunications industry experience \nGlobal mindset to service worldwide operations\nAny other relevant\n\nKnowledge:\n\nUnderstanding of 3GPP, ITU-T and ANSI standards. \nCircuit and Packet switched communications protocols such as SS7 (including SCCP, TCAP, MAP and CAMEL phases 1 to 4), SCTP (SIGTRAN), Diameter, including ability to design and configure voice, data and messaging flows.\nVoice SIP / RTP, ISUP and voice convergence technologies, including IMS (including VoLTE and VoWiFi).\nOnline Charging System (OCS) and CAMEL in billing and call control\nCore Network virtualization and cloudification\n\nSkills:\n\nBasic understanding of telecom network key technology is preferred\nFamiliar to 3GPP, ITU-T Standard and Core network and flow is preferred.\nVoice SIP / RTP, ISUP and voice convergence technologies, including IMS (including VoLTE and VoWiFi)\nHands on with sniffers, Wireshark and testing tools advanced mode\nExperience with mobile networks(2G/3G/4G/5G), international signaling, and international interconnects a strong plus\nExtensive experience with complex signaling interop within the next generation intelligent networks\nProblem Solver\nQuality and efficiency minded, analytical thinking\nQuick learner, willing to take challenge, thriving in fast paced, high-pressure environment\nStrong writing and documentation skills are needed to develop reports\nFlexible, showing initiative, perseverance and have good communication & co-operation skills, strong teamwork\nPro-active, customer-oriented with good customer communications\nAdaptability and responding to change\nResults Achiever\nOperationally Astute\nBe able to work under pressure\nCreativity, flexibility and adaptability\nRelationship skills\nTeam working, inter-personal skills\nSelf-motivated and Decisive\n\nBehavioral Qualities\n\nDecisive Problem Solver\nDetail-oriented\nHighly organized\n\nHOW TO APPLY ? \n\nAll applications must be submitted ONLINE at : https://ehle.fa.em2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/6017\n\nDeadline: Apply Before 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