Data Center Delivery Engineer

Senior Network Integration & Implementation Engineer – L3
Location: Karachi
Company: JazzWorld

JazzWorld, Pakistan’s fastest-growing digital ecosystem, is seeking a Senior Network Integration & Implementation Engineer to join its Network & Security practice. This hands-on role serves as the Huawei technical lead, responsible for designing, integrating, and delivering complex networks across data centres, enterprise WAN and SD-WAN, campus and wireless environments, as well as service-provider IP core and edge networks. The engineer will lead Huawei technical delivery and manage multi-vendor integrations for public-sector, financial services, service providers, and large enterprises. This position owns the networks connecting compute, storage, backup, and GPU infrastructure, collaborating closely with Systems Integration teams.

Key Responsibilities
- Develop High-Level and Low-Level Designs (HLDs/LLDs) for data centre fabrics, enterprise WAN, SD-WAN, campus, wireless, and IP core/edge networks.
- Design data centre fabrics ranging from traditional three-tier architectures to spine-leaf VXLAN/BGP EVPN, including multi-site orchestration for active-active and disaster recovery setups.
- Architect national-scale SD-WAN and campus solutions featuring zero-touch provisioning, overlay/underlay architectures, controller high availability, and data centre integration.
- Lead Huawei implementations involving iMaster NCE Fabric and Campus, CloudEngine and S-series switching, NE and AR routing, and Huawei firewalls, while integrating other vendor platforms.
- Manage IP core/provider-edge transformations, technology refreshes, SDN deployments, multi-vendor migrations, and live cutovers with detailed validation and fallback plans.
- Design network fabrics optimized for AI/GPU workloads and integrate networks with firewalls, load balancers, virtualization, cloud platforms, and existing multi-vendor environments.
- Incorporate security into network designs through firewall placement, segmentation, and policy migration; lead complex escalations and root-cause analysis.
- Prepare comprehensive documentation including test plans, methods of procedure, migration and rollback strategies, and as-built records; lead customer User Acceptance Testing (UAT) and formal acceptance.
- Own Huawei technical escalations and partner engagement, maintain reference designs and configuration baselines, and mentor engineers progressing through HCIA, HCIP, and HCIE certifications.
- Support bids alongside Solutions Engineering by validating feasibility, estimating effort and resources, assessing risks, preparing bills of quantity/materials, conducting customer workshops, proofs of concept, and delivering technical presentations.

Required Qualifications
- Minimum 6 years of network engineering experience, including at least 4 years delivering Huawei network solutions and 3 years in a technical or team lead role on large-scale programs.
- Bachelor’s degree in Telecommunication, Electrical or Electronics Engineering, Computer Science, or a related field.
- Proven track record of end-to-end production network implementation and integration for government, financial services, or service-provider clients across data centre, WAN, and campus environments.
- Experience delivering software-defined networks at scale, such as controller-based data centre fabrics or SD-WAN rollouts covering 100+ sites through customer acceptance.
- Hands-on expertise with Huawei platforms including NE, AR, CloudEngine, and S-series, and routing/switching protocols like BGP, OSPF, IS-IS, and MPLS.
- Familiarity with VXLAN/BGP EVPN, SDN controllers, iMaster NCE-Fabric/Fabric Insight/MDC-MDA, iMaster NCE-Campus or CloudCampus platforms.
- Experience executing live-production technology refreshes and multi-vendor migrations with structured fallback planning, alongside knowledge of security integration and service-provider IP core/edge networks.
- HCIE-Datacom certification is strongly preferred; at minimum, HCIP-Datacom or HCIP Routing & Switching. Candidates without HCIE-Datacom must commit to attaining it within three months of joining.

Preferred Qualifications and Benefits
JazzWorld offers the opportunity to build Pakistan’s next-generation digital services platform, creating innovative products and solutions at national scale. The company’s extensive reach across connectivity, transactions, and identity empowers engineers to transform ideas into impactful businesses and category leaders.

As a certified Top Employer, JazzWorld fosters an inclusive workplace where diverse talent thrives and performs at their best. Employees are encouraged to build, scale, learn, and repeat in a dynamic environment that values growth and innovation.

Applications are invited by 30th October 2026.