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Advert for Chief Account and Core Network Engineers & Core Network Manager | HireLiberia

Liberia Telecommunications Corporation · Montserrado · recently closed

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About this role

JOB VACANCIES: INTERNAL/EXTERNAL Organization : Liberia Telecommunications Corporation Hours of Work : Full time (48 hours per week) Status of Post : Regular based on satisfactory performances/probation Location : LTC Headquarters and other locations as may be required About Us The Liberia Telecommunications Corporation (LTC Mobile) is a national telecommunications operator committed to delivering cutting-edge communication solutions that empower individuals, businesses and government institutions across Liberia. As we continue to expand and innovate, we are seeking qualified, self-motivated and talented individuals to join our team. Core Network Manager (1 Position) Job Summary The role covers the core ISP backbone, upstream and internet exchange connectivity, core and distribution routing and switching, core firewalls, OLTs, and 24Online or other approved bandwidth management platforms. Responsibilities apply to deployed systems assigned to the Core Network unit. The network operates twenty-four hours a day, seven days a week. The incumbent must be available for critical incidents, emergency restoration, operational support and scheduled maintenance during daytime, nighttime, weekends and public holidays. Coverage shall follow approved duty and on-call arrangements, with clear handovers, backup personnel and appropriate rest after extended emergency work. The position requires reliable communication and timely response within the agreed escalation arrangements. . Job responsibilities: Configure, operate, maintain and troubleshoot the core ISP backbone and assigned service platforms, while leading unit personnel, planning, performance and resilience. The Manager must demonstrate the same hands-on technical capabilities required of the Engineer and carry additional supervisory and management responsibility.  Configure and maintain core routers, autonomous system (AS) border routers, distribution routers and switches; manage routing policies, VLANs, IP addressing, segmentation and redundancy.  Diagnose route, interface, switching and reachability faults affecting site uptime. Maintain approved configurations and verify service restoration.  Implement approved BGP, OSPF and MPLS configurations where deployed; apply routing controls and validate primary and backup paths.  Configure and maintain upstream and exchange connections, peering sessions and approved routing policies. Monitor session status, traffic utilization and link performance.  Coordinate provider incidents and planned maintenance, record technical evidence, escalate unresolved faults and validate connectivity following restoration.  Maintain connection records, provider contacts, routing filters and failover procedures.  Configure OLT uplinks, service profiles, VLAN mappings and ONU/ONT settings within assigned scope; troubleshoot access connectivity and optical alarms.  Coordinate physical faults with Transmission and customer-facing teams. Verify approved service parameters and document commissioning and handover tests.  Administer 24Online and approved bandwidth management platforms; configure authorized authentication, service profiles, bandwidth limits and traffic policies.  Activate, modify, suspend and restore services against approved requests. Reconcile technical settings with authorized records and escalate suspected unauthorized connections or discrepancies.  Monitor congestion and utilization; recommend capacity or configuration improvements supported by measurements.  Maintain approved firewall rules, NAT, VPNs and management access; review relevant logs and escalate suspicious activity or vulnerabilities.  Inspect and troubleshoot Ethernet and fiber connectivity, optical modules, patch panels and equipment interfaces. Perform approved patching, labeling and cable tracing safely.  Manage unit priorities, personnel, resources and performance. Maintain clear system ownership and responsibilities shared with departments, providers or partners.  Delegate daily coordination to the designated Supervisor while retaining accountability. Provide technical direction, coaching, work review and effective backup coverage.  Maintain operational procedures and identify skills gaps, staffing constraints and knowledge-transfer needs  Lead major incidents, establish restoration priorities and coordinate engineers, the Command Center, relevant units and providers.  Ensure timely technical updates and management communication. Review root-cause findings and track corrective actions, owners and deadlines.  Establish maintenance, backup, failover and recovery-testing plans. Review results and escalate unresolved transmission, power, hosting or provider dependencies.  Organize 24/7 incident coverage, backup leadership and handovers; avoid dependence on one person for critical knowledge or privileged access.  Prepare consolidated weekly reports covering achievements, uptime and performance, incidents, capacity, outstanding faults, risks and priorities.  Perform other duties as may be assigned  To have a flexible approach to work Qualification and Experience  A bachelor's degree in Telecommunications Engineering, Electrical or Electronic Engineering, Computer Science, Information Technology, or a related discipline. Professional certifications supplement the degree requirement.  At least three years of relevant experience in ISP operations, telecommunications networking or core backbone management. Must have served in a similar core network management, supervisory or technical leadership role.  Demonstrated experience with production networks, major outages, technical teams and provider or vendor escalations.  CCNP, relevant MikroTik certification or equivalent professional certification is desirable. A relevant postgraduate qualification is an advantage.  Routing and addressing: TCP/IP, IPv4/IPv6, subnetting, BGP, OSPF, route policies and filters, default routes, failover and asymmetric routing; MPLS where de

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