At a Glance
- Tasks: Lead the design and development of a cutting-edge ISP network for high-speed connectivity.
- Company: Join a growing full-fibre broadband provider in London.
- Benefits: Competitive salary, influence over network design, and major infrastructure projects.
- Other info: Great opportunity for career growth and mentoring within a dynamic team.
- Why this job: Shape the future of digital infrastructure and make a real impact.
- Qualifications: Extensive ISP experience and expertise in Cisco networking technologies.
The predicted salary is between 70000 - 90000 £ per year.
Looking for a role with plenty of growth opportunities? Join a growing full‑fibre broadband provider delivering high‑speed connectivity to businesses across London. The organisation is focused on providing reliable, gigabit‑capable network services that support businesses of all sizes with modern digital infrastructure. This opportunity is for a Principal Network Engineer to lead the architecture, implementation and ongoing development of a large‑scale Cisco‑based service provider network. Acting as a senior technical authority, the role involves leading network projects, shaping strategic infrastructure development, and providing expertise on complex routing and network challenges. If you would like to learn more about this opportunity, feel free to reach out and apply today!
Responsibilities
- Design, develop, and optimise the ISP core network to ensure scalability, resilience, and performance.
- Lead the technical design and delivery of network expansion and transformation projects.
- Develop and maintain high and low‑level network designs and implementation plans.
- Provide expert‑level support and troubleshooting for complex network issues and major incidents.
- Act as a senior escalation point for routing, switching, and service provider network challenges.
- Work closely with operational teams to ensure network stability and continuous improvement.
- Contribute to capacity planning, network strategy, and future technology adoption.
- Maintain technical documentation, standards, and best practices across the network estate.
- Support mentoring and knowledge sharing within the engineering team.
Required Skills/Qualifications
- Extensive experience working within an ISP, telecommunications, or service provider environment.
- Strong background designing and supporting carrier‑grade core networks.
- Expert knowledge of: BGP, MPLS, Unicast routing technologies.
- Significant experience designing, implementing, and troubleshooting large‑scale routing infrastructures.
- Strong understanding of network architecture and service provider design principles.
- Hands‑on experience with Cisco networking technologies in enterprise or service provider environments.
- Proven ability to deliver complex network projects from design through to implementation.
Desirable Skills
- CCIE certification (Service Provider, Enterprise Infrastructure, or equivalent).
- Experience operating within large‑scale carrier or wholesale ISP networks.
- Exposure to modern service provider technologies and network automation tools.
- Strong technical problem‑solving and analytical skills.
- Comfortable operating as a senior technical lead and subject matter expert.
- Able to work independently whilst collaborating effectively across teams.
- Strong communication skills with the ability to explain technical concepts to a range of stakeholders.
- Proactive approach to ownership, delivery, and continuous improvement.
Benefits
This is an opportunity to play a key role in shaping and developing a carrier‑grade Cisco network environment. You'll have significant influence over network design decisions, work on major infrastructure projects, and be part of a team responsible for delivering highly resilient services at scale.
Salary
Competitive salary based on experience and qualifications.
Principal Network Engineer - Internet Service Provider in London employer: Hamilton Barnes Associates Limited
Join a dynamic full-fibre broadband provider in London, where you'll have the chance to lead innovative network projects and shape the future of high-speed connectivity. With a strong focus on employee growth, a collaborative work culture, and the opportunity to influence major infrastructure decisions, this role offers a rewarding environment for those looking to make a significant impact in the telecommunications sector.
Contact Details:
Hamilton Barnes Associates Limited Recruitment Team
StudySmarter Expert Advice🤫
We think this is how you could land Principal Network Engineer - Internet Service Provider in London
✨Get Chummy with Industry Events
Dive into telecommunications networking conferences and expos. These are golden opportunities to meet potential employers like Hamilton Barnes Associates Limited and learn about open positions directly from their teams. Keep an eye out for workshops or panels – they’re perfect for showcasing your passion and expertise!
✨Join Networking Communities
Find online forums or local meetups that focus on telecommunications and networking. Sites like LinkedIn Groups or Reddit communities can be great for connecting with professionals in the field. Just remember to participate in discussions – you never know when someone might mention job openings at places like Hamilton Barnes Associates Limited.
✨Showcase Your Skills with Personal Projects
If you’ve got any personal projects or contributions to open-source networking tools, flaunt them! Create a portfolio that showcases your skills relevant to what telecommunication companies are looking for. It’s a great conversation starter during interviews and networking chats.
✨Utilise Online Job Boards Wisely
While we’re all about encouraging you to apply through our website, also keep an eye on job boards specific to tech and telecommunication roles. Websites such as Telecommunication Jobs and TechCareers often list full-time roles that may not appear elsewhere. Just be sure to tailor every application to grab attention – even small tweaks can make a big difference!
We think you need these skills to ace Principal Network Engineer - Internet Service Provider in London
Some tips for your application 🫡
Show Off Your Technical Know-How:When you're applying for a role in telecommunications and networking, it’s crucial to highlight your technical skills. Mention specific technologies you're proficient in, like IP networking, VoIP, or security protocols. Be sure your CV includes any relevant certifications such as CCNA or CompTIA Network+; they really show you've got the chops for the job.
Tailor Your Experience to Match Networking Projects:In your CV and cover letter, don’t just list your past jobs—showcase specific projects that align with the role! If you've worked on network design, implementation, or troubleshooting, weave those experiences in and highlight metrics to demonstrate your impact. This paints a vivid picture of how you'd fit into the role at Hamilton Barnes Associates Limited.
Show Enthusiasm for the Industry:With telecommunications evolving rapidly, it’s important to express your passion for the field in your application. Mention any trends or innovations you've been following that excite you and how they'd influence your work. This can really set you apart and show that you're not just after a job, but a career!
Keep It Clean and Professional:While it’s important to be personable, ensure your application maintains a clean and structured format. Use clear headings and bullet points to make it easy for hiring managers to dig into your skills and experience. Remember, you’re applying for a full-time role, so a well-organised application will signal your seriousness about the position at Hamilton Barnes Associates Limited.
How to prepare for a job interview at Hamilton Barnes Associates Limited
✨Brush Up on Networking Protocols
Make sure you’re up to speed with the key networking protocols like TCP/IP, UDP, and perhaps even MPLS if it's relevant. We can expect technical questions about how these protocols function and the problems they solve, so a solid understanding will help you shine.
✨Showcase Your Projects
Got a portfolio? Bring it along! Highlight any relevant projects where you've designed or managed network systems. This is your chance to demonstrate practical experience; employers love to see how your skills can be applied in real-world scenarios.
✨Get Comfortable with Technical Scenarios
You might be faced with a case study or a technical troubleshooting scenario during the interview. Practise responding to common networking issues—like packet loss or latency problems. Thinking through these scenarios will help us sound confident and competent in our responses.
✨Emphasise Team Collaboration Skills
In the telecommunications field, teamwork is key! Make sure to share examples of how you’ve worked collaboratively, whether in past jobs or projects at uni. Employers want to see that you’re not just technically savvy, but also great at working within a team setting.
