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Rocket Fibre is a rapidly growing, forward-thinking Internet Service Provider (ISP) based in the UK. With a strong foundation in delivering high-performance connectivity solutions, we specialise in building and operating robust, scalable network infrastructure for both residential and business markets.
As we continue to expand our reach, Rocket Fibre is actively growing its footprint across Europe and North America, with strategic investments in international transit and wholesale platforms. In parallel, we are launching our wholesale offering, providing carrier-grade connectivity solutions to partners and service providers across the industry.
Driven by innovation, simplicity, and reliability, Rocket Fibre is building the next generation of internet infrastructure—designed for speed, flexibility, and long-term growth.
About the Role
We are seeking an experienced and visionary Senior Network Architect to lead the design, development, and optimisation of our large-scale network infrastructure. This role is critical to ensuring scalability, security, and performance across our systems, while supporting the strategic goals of the organisation.
You will take full ownership of our core and edge network architecture, helping to shape the long-term direction of our infrastructure as we continue to expand. The ideal candidate will have a strong track record in deploying and managing large ISP networks, with deep technical expertise and a forward-thinking approach to network design.
Key Responsibilities
* Design and implement high-performing, scalable, and secure network architectures for large-scale service provider environments
* Develop long-term strategies for network growth, capacity planning, and redundancy
* Evaluate and recommend emerging technologies and innovative solutions
* Provide technical leadership in the design and integration of networking hardware and software
* Lead network migration, modernisation, and optimisation initiatives
* Ensure the highest levels of network availability, security, and resilience
* Produce detailed documentation including architecture diagrams, standards, and operational policies
* Mentor network engineers and contribute to the development of team expertise
* Maintain a proactive approach to problem-solving and infrastructure improvement
Skills & Experience Required
* 8+ years of experience in network engineering or architecture roles, ideally within an ISP or large-scale networking environment
* Demonstrable experience in designing and deploying large-scale ISP networks, including core and edge infrastructure
* Strong knowledge of networking technologies including routing, switching, firewalls, VPNs, SD-WAN, and load balancing
* Deep understanding of protocols such as BGP, OSPF, MPLS, and VXLAN
* Experience with IP transit, peering, and working with internet exchange points (IXPs)
* Strong understanding of Carrier-Grade NAT (CG-NAT) concepts and experience working with related technologies and vendors, such as NetElastic
* Hands-on experience with enterprise-grade platforms (e.g. Cisco, Juniper, Arista, Palo Alto)
* Familiarity with automation tools such as Ansible, Terraform, and scripting for configuration management
* Solid understanding of virtualisation platforms such as VMware, Proxmox, or similar
* Experience with cloud and hybrid networking (AWS, Azure, GCP)
* Relevant certifications preferred (e.g. CCNP/CCIE, JNCIE, AWS/Azure networking)
* Strong analytical, documentation, and communication skills
Why Join Us?
* Be part of a growing ISP delivering cutting-edge connectivity solutions
* Take ownership of a critical network infrastructure that supports real-world services
* Work in a flexible, forward-thinking environment with remote/hybrid options
* Competitive salary and benefits package
* A chance to influence and drive the future of our network strategy.
Seniority level
Mid-Senior level
Employment type
Full-time
Job function
Information Technology
Industries
Technology, Information and Internet
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