Network Operations Center Engineer – Level 2 (Core Engineer)

VACANCY: Network Operations Center Engineer – Level 2 (Core Engineer) Application Deadline:October 26, 2026 Type:Full-Time (Standard Hours + On-Call / Shift Requirements) About Habari Node Limited Habari Node is a licensed Internet Service Provider (ISP) headquartered in Arusha, Tanzania. We provide standard Internet services and innovative ICT business solutions to both residential and enterprise customers across the country. To support our rapid network expansion, product growth, and customer acquisition, we are looking for a highly skilledCore NOC Engineer (Level 2)to join our team and ensure fast, reliable, and affordable connectivity nationwide. Role Summary TheCore NOC Engineeris a highly technical Level 2 role responsible for maintaining the stability, performance, and integrity of Habari’s core backbone network. Key Snapshot Core Focus:High-capacity routing, core switching, MPLS/IP networks, data center interconnects, and Proof of Concept (POC) testing for new gear. Full Lifecycle:Managing active core hardware from deployment to software/firmware upgrades, configuration audits, and decommissioning. Coverage:Occasional Level 1 operational support for real-time monitoring, triage, and ticket handling. Key Duties & Responsibilities 1. Core Network Engineering Backbone:Monitor and maintain core network elements (Cisco Nexus/ASR, Juniper MX, NetGate TNSR, NetElastic BNG, MikroTik). Complex Routing:Troubleshoot and optimize advanced protocols includingMPLS, BGP (iBGP/eBGP), OSPF, and IS-IS. High-Level Escalation:Serve as the senior escalation point for L1/L2 teams to resolve deep-seated, large-scale traffic issues. Capacity & Transport:Monitor link utilization/latency; manage long-haul transport technologies (DWDM, OTN, SDH/SONET). Deployments:Ensure proper setup, naming conventions, and correct radio frequency overlays across base station last-mile access and client infrastructure. 2. Change Management & Resilience Execution:Lead high-risk maintenance windows, firmware upgrades, hardware replacements, and large-scale migrations. Disaster Recovery:Test and maintain core redundancy mechanisms to ensure business continuity during major fiber cuts or hardware failures. 3. Research, POC & Continuous Improvement POC Leadership:Design and lead Proof of Concept environments to evaluate new networking hardware, SD-WAN/SDN, or automation frameworks. Emerging Tech:Research trends (AI Ops, 6G, Quantum Networking, Zero Trust) and produce technical white papers. Vendor Bake-Offs:Perform vendor evaluations using TCO and performance rubrics. Lab Management:Oversee virtual/physical R&D labs (GNS3, EVE-NG, Cisco Modeling Labs) for failure scenario simulations. 4. Level 1 Operational Cover (As Needed) Perform initial triage, event response, and first-level fixes (Cisco, MikroTik, OpenWRT, Ubiquiti). Manage ticket lifecycles via CRM, log detailed incidents, and maintain KB runbooks. Key Performance Indicators (KPIs) • Core Network Uptime (Target:99.99%) • MTTR (Mean Time to Repair) on Core Elements • Successful Core Change Rate (Zero Rollbacks) • Tier 3 Escalation Deflection Rate • POC Evaluation Turnaround Time • MTTD (Mean Time to Detect) • First-Contact Resolution Rate Work Schedule & Availability Primary:Standard business hours. On-Call & Shifts:Regular on-call availability, night, and weekend work for maintenance windows and critical incidents. Shift Cover:Ability to work within a 24/7 rotating schedule during Level 1 coverage periods. Candidate Requirements Education & Experience Degree / Diplomain Telecommunications, Computer Science / IT, Electronics & Communication, or a related field. 3+ Years Minimumexperience in a NOC, IT support, or network operations environment. Field experience with wireless, VoIP, firewalls, and fiber solutions. Technical Skills & Tools Strong knowledge ofTCP/IP, OSI model, DNS, DHCP, VPNs, RouterOS, and routing protocols (OSPF, BGP). Hands-on familiarity with RF theory/modeling and network security principles. Proficiency in monitoring tools (Zabbix, PRTG, SolarWinds) and ticketing systems (Freshdesk, ServiceNow, Jira). Scripting/Automation (Bonus):Hands-on experience withPythonorAnsibleis a strong advantage. Certifications Remuneration & Benefits Anattractive packagealigned with industry standards will be offered to the successful candidate. How to Apply Interested and qualified candidates should send their application package following the instructions below: Combine yourApplication Letter, CV, and Certificates into ONE (1) PDF document. Email your application toapplications@habari.co.tz Ensure your application is submitted no later than26 October 2026. Hand-written applications willNOTbe accepted. Only candidates with relevant qualifications will be contacted. People and Culture Business Partner P. O. Box 1215