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Lead Network Design Engineer (L3/3.5)

Keyloop

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?

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.
  • 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.
  • Transit Gateways
  • Route Tables
  • Direct Connect
  • Site-to-Site VPNs
  • ExpressRoute
  • VPN Gateways

NSGs

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

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

L3 / L3.5 Engineering & Technical Leadership

Design and support

  • AWS VPCs
  • Security Groups
  • Network ACLs

Support Azure networking including

  • Virtual Networks
  • Virtual WAN

Security Engineering

  • Partner with Security Operations teams to ensure secure and compliant networking services.
  • AI & Automation Responsibilities

The engineer will

  • Design and build AI-driven operational solutions.
  • Develop automation frameworks for network discovery, inventory management and topology mapping.

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."