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Lead Network Design Engineer (L3/3.5)

KeyloopDesign
Hiring from
India
Work type
Hybrid
Posted
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Keyloop bridges the gap between dealers, manufacturers, technology suppliers and car buyers.
We empower car dealers and manufacturers to fully embrace digital transformation. How? By creating innovative technology that makes selling cars better for our customers, and buying and owning cars better for theirs.
We use cutting-edge technology to link our clients’ systems, departments and sites. We provide an open technology platform that’s shaping the industry for the future. We use data to help clients become more efficient, increase profitability and give more customers an amazing experience. Want to be part of it?

About the Role

We are seeking a skilled and experienced Senior Network Design & L3/L3.5 Engineer to act as a technical authority across our global network infrastructure. This role combines architecture, design, engineering, automation and advanced operational support responsibility for enterprise networking, cloud connectivity, security services and application delivery platforms.

The successful candidate will operate at the highest levels of technical escalation, leading the design, governance and optimisation of routing, switching, firewalling, load balancing and cloud networking technologies. They will also be expected to drive the adoption of AI and automation to improve network visibility, operational efficiency, proactive capacity management and incident resolution.

This role is suited to an engineer who enjoys both strategic design work and deep technical troubleshooting, and who can influence standards, mentor engineers and modernise network operations through automation and intelligent tooling.

Key Responsibilities

  • Network Architecture & Design

    • Design and govern enterprise network architectures across datacentres, public cloud and corporate environments.

    • Define standards, patterns and roadmaps for routing, switching, firewall, DNS and load balancing technologies.

    • Lead network design reviews, technical governance and architectural decision-making.

    • Design highly available and resilient network solutions supporting business-critical applications and customer-facing platforms.

    • Develop network standards covering segmentation, availability, performance and security.

    L3 / L3.5 Engineering & Technical Leadership

    • Act as a senior escalation point for complex network incidents and major service outages.

    • Perform deep root-cause analysis across LAN, WAN, cloud and security platforms.

    • Provide technical leadership during major incidents and high-risk infrastructure changes.

    • Lead troubleshooting activities across routing, switching, firewall, DNS and application delivery environments.

    • Mentor network engineers and support technical capability development across the team.

    Cloud & Hybrid Connectivity

    • Design and support network architectures within AWS, and some work in Azure environments.

    • Build and maintain secure hybrid connectivity between cloud platforms, datacentres and customer environments.

    • Design and support:

    • AWS VPCs

    • Transit Gateways

    • Route Tables

    • Direct Connect

    • Site-to-Site VPNs

    • Security Groups

    • Network ACLs

    • Support Azure networking including:

    • Virtual Networks

    • ExpressRoute

    • VPN Gateways

    • NSGs

    • Virtual WAN

    Security Engineering

    • Design, implement and maintain network security controls.

    • Govern firewall policies and segmentation strategies.

    • Support security initiatives including Zero Trust, segmentation and hybrid-cloud security architectures.

    • Partner with Security Operations teams to ensure secure and compliant networking services.

    AI & Automation Responsibilities

    A key objective of this role is driving the next generation of intelligent network operations.

    The engineer will:

    • Design and build AI-driven operational solutions.

    • Develop automation frameworks for network discovery, inventory management and topology mapping.

    • Use AI and machine learning techniques to improve:

    • Incident triage

    • Fault identification

    • Capacity forecasting

    • Configuration validation

    • Performance optimisation

    • Change impact assessment

    • Build automated network documentation and topology generation capabilities.

    • Develop predictive capacity and utilisation reporting.

    • Implement Infrastructure and Network as Code principles.

    • Leverage APIs, Python, Terraform, Ansible, PowerShell and AI-assisted development tools such as GitHub Copilot, Claude Code and similar engineering platforms.

    • Essential skills & experience:

    • Routing & Switching

      • Cisco Catalyst switching platforms.

      • Cisco Nexus 9000 series.

      • Advanced knowledge of:

      • OSPF

      • BGP

      • EIGRP

      • MPLS

      • VXLAN

      • STP

      • HSRP/VRRP

      • Multicast

      • QoS

      • Data Centre network design.

      Firewalls & Security

      • Cisco ASA.

      • Cisco Firepower.

      • Fortinet FortiGate firewalls.

      • Firewall policy management.

      • VPN technologies.

      • Site-to-site and remote access VPN design.

      • Network segmentation and Zero Trust principles.

      Load Balancing & Application Delivery

      • F5 BIG-IP.

      • LTM.

      • GTM/DNS.

      • WAF.

      • SSL offload.

      • Application delivery optimisation.

      • Traffic management.

      Monitoring & Visibility

      • SolarWinds.

      • Network monitoring and observability platforms.

      • Capacity management and forecasting.

      • Network performance analysis.

      • NetFlow and telemetry solutions.

      DNS & Domain Management

      • BIND.

      • Microsoft Active Directory DNS.

      • AWS Route53.

      • Public and private DNS architectures.

      • Domain management and registrar governance.

      • DNS security and resilience.

      • SolarWinds IPAM

      Cloud

      • Strong AWS networking experience.

      • Experience integrating datacentre and cloud environments.

      • Understanding of Azure networking services would be an advantage.

    Desirable experience:

      • Nutanix AHV, networking & Flow micro-segmentation.

      • VMware vSphere environments.

      • SD-WAN technologies.

      • SASE / ZTNA solutions.

      • Infrastructure as Code.

      • AI Ops platforms.

      • Cloud-native network security products.

        • Qualifications & Certifications

        Preferred

        • CCNP Enterprise.

        • CCIE Enterprise Infrastructure and/or Security.

        • AWS Advanced Networking Specialty.

        • AWS Solutions Architect Professional.

        • ITIL Foundation.

        Desirable

        • Fortinet NSE / FCSS certifications.

        • F5 Certified Technology Specialist (F5-CTS) or equivalent.

        • Azure Network Engineer Associate.

    Key Attributes

      • Strong design and systems-thinking mindset.

      • Able to challenge existing approaches and drive continuous improvement.

      • Passionate about automation and operational excellence.

      • Comfortable influencing technical strategy and governance.

      • Strong written and verbal communication skills.

      • Able to lead technical discussions with engineers, vendors and senior stakeholders.

      • Analytical, data-driven and outcome focused.

    Success Measures

    • Reduction in recurring network incidents.

    • Increased automation and reduced manual operational effort.

    • Improved network visibility and documentation accuracy.

    • Improved capacity forecasting and performance reporting.

    • Reduced mean time to identify and resolve incidents.

    • Successful delivery of cloud and infrastructure transformation programmes.

    • Establishment of AI-assisted operational capabilities across the network estate.

    Why join us?
    We’re on a journey to become market leaders in our space – and with that comes some incredible opportunities. Collaborate and learn from industry experts from all over the globe. Work with game-changing products and services. Get the training and support you need to try new things, adapt to quick changes and explore different paths. Join Keyloop and progress your career, your way.
    An inclusive environment to thrive
    We’re committed to fostering an inclusive work environment. One that respects all dimensions of diversity. We promote an inclusive culture within our business, and we celebrate different employees and lifestyles – not just on key days, but every day.
    Be rewarded for your efforts
    We believe people should be paid based on their performance so our pay and benefits reflect this and are designed to attract the very best talent. We encourage everyone in our organisation to explore opportunities which enable them to grow their career through investment in their development but equally by working in a culture which fosters support and unbridled collaboration.
    Keyloop doesn’t require academic qualifications for this position. We select based on experience and potential, not credentials.
    We are also an equal opportunity employer committed to building a diverse and inclusive workforce. We value diversity and encourage candidates of all backgrounds to apply.
    "At Keyloop, AI is a daily ally: We encourage and train every employee to use our AI tools to boost their creativity and productivity."

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