IP Designer (Network)
Rate - £530 a day
Length - 26 weeks
Rate - £530 a day inside IR35
We’re working with a leading, globally backed telecommunications organisation at the forefront of delivering innovative digital and connectivity solutions. This is an exciting opportunity to join a business that thrives on diversity of thought, collaboration, and continuous innovation—where people are empowered to grow, succeed, and make a real impact.
The Opportunity
You’ll join a highly skilled IP Network Infrastructure Design team within a broader Connectivity Engineering function, responsible for the architecture and design of large-scale, mission-critical networks. These include mobile MPLS core, data centres, internet connectivity, remote access platforms, and enterprise environments.
This is a senior-level role acting as an IP Network Design Principal / Technical Design Authority (TDA), contributing to the evolution, performance, and resilience of complex IP networks.
Key Responsibilities
* Maintain network hardware and software in line with vendor support and internal design policies
* Ensure network capacity meets evolving traffic demands and forecasts
* Lead the integration of new services into existing infrastructure
* Produce high-quality design documentation, test plans, and implementation strategies
* Support testing, deployment, and service migration activities
* Monitor network performance against KPIs and develop improvement plans
* Define and evolve network standardisation policies
* Evaluate vendor releases, bug fixes, and security advisories
* Design routing solutions to meet resilience and service targets
* Collaborate with suppliers and attend technical review meetings
* Ensure compliance with architecture, regulatory, data protection, and security requirements
* Conduct peer reviews and support governance of design standards
* Engage with operational teams to ensure smooth transition into live environments
* Provide expert consultancy across network design projects
* Contribute to continuous process improvement initiatives
Essential Skills & Experience
* Cisco certification (CCIE not required)
* Strong experience in IP, MPLS, and BGP design within a service provider environment
* Deep understanding of IP networking protocols and architectures
* Hands-on experience with Cisco (CRS, ASR, 7600) and Juniper (MX, PTX) platforms
* Knowledge of telecommunications transmission systems
* Strong communication skills, with the ability to present complex technical concepts
* Experience with change control processes
* Background in hardware and software testing
Desirable
* Experience within a mobile network operator environment
* Knowledge of RADIUS, QoS, DNS, or session management technologies
* Experience in network build and support
* Juniper certifications (JNCIE, JNCIP, etc.)
* Exposure to TSA implementation or standards
* Flexibility to support occasional out-of-hours changes
* Strong collaboration and technical leadership skills
Additional Information
* No line management responsibility
* Involvement in budget forecasting
* Flexible working environment
* Occasional travel to UK offices (Reading, Leeds) and vendor sites
Compliance & Responsibility
You will play a key role in upholding business principles, ensuring compliance with legal, regulatory, and security standards. This includes safeguarding sensitive information, maintaining accurate systems, and proactively seeking guidance when required.
If you're a senior network design professional looking to work on complex, large-scale infrastructure within a forward-thinking and innovative environment, this is an excellent opportunity to take the next step in your career.