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Presales Network Engineer (System Integrator)

Job Description: Presales Network Engineer (System Integrator)

Experience: 8–10 Years
Function: Presales / Network Solution Architect

Role Summary

We at Infobahn are looking for a senior Presales Network Engineer with deep technical expertise in enterprise networking and strong experience in multi-vendor solution design. The role supports system integration engagements by owning technical discovery, architecture design, and presales solutioning across campus, data center, WAN, SD-WAN, and wireless environments.

Key Responsibilities

  • Lead technical discovery sessions to assess customer requirements, existing infrastructure, and constraints
  • Design end-to-end network architectures and integrated solutions across multiple OEM platforms
  • Create HLDs, LLDs, network diagrams, and BOM/BoQs for presales opportunities
  • Own technical responses for RFPs/RFIs, including compliance mapping and design justification
  • Conduct solution walkthroughs, deep-dive technical presentations, and assist in PoCs
  • Validate designs with OEMs and internal delivery teams to ensure implementability
  • Support sales teams with technical inputs, sizing, and solution positioning
  • Participate in solution handover and provide technical support during critical deployment phases

Technical Skills & Experience

  • Strong hands-on expertise in core networking technologies, including:
    • Routing & Switching: BGP, OSPF, EIGRP, VLANs, STP
    • Enterprise LAN & WLAN design
    • Network security fundamentals (segmentation, ACLs, firewall integration)
  • Proven experience designing solutions using multiple OEMs, including:
    • Cisco (Enterprise, Wireless, Data Center, SD-WAN)
    • Aruba
    • Juniper
  • Experience integrating heterogeneous environments and performing technology refresh / migration projects
  • Exposure to SD-WAN, network monitoring, and automation tools is a plus

System Integrator Experience

  • Experience working in a System Integrator or IT services organization
  • Strong understanding of multi-vendor interoperability, licensing models, and solution lifecycle
  • Ability to optimize designs balancing performance, scalability, and cost

Customer Interaction

  • Strong customer-facing skills with the ability to lead technical discussions
  • Comfortable engaging with customer network teams, architects, and technical decision-makers
  • Ability to translate business and operational requirements into technical designs

Qualifications

  • Bachelor’s degree in Engineering or equivalent
  • Relevant certifications such as CCNP/CCIE, JNCIP/JNCIE, Aruba certifications preferred