At a Glance
- Tasks: Diagnose complex broadband faults and improve network efficiency in a dynamic ISP environment.
- Company: Join a leading ISP with a focus on innovation and teamwork.
- Benefits: Competitive salary, flexible working hours, and opportunities for professional growth.
- Other info: Collaborative culture with opportunities for travel and career advancement.
- Why this job: Make a real impact by solving challenging network issues and enhancing user experience.
- Qualifications: Experience in broadband diagnostics and strong problem-solving skills required.
The predicted salary is between 40000 - 50000 € per year.
Permanent Role
The Role
Provide hands‑on technical ownership of complex subscriber broadband faults across access, provisioning and CPE layers within an ISP/Wholesale environment. This is a deeply operational, execution‑focused role requiring expert diagnosis of end‑to‑end FTTP issues, structured evidence gathering, and effective engagement with third‑party BNG and wholesale providers. The role may occasionally require out‑of‑hours work and travel between office locations, primarily Stoke and Irlam.
Reporting to Head of Networks
Key Responsibilities
- Investigate complex FTTP subscriber faults end‑to‑end
- Analyse DHCP session establishment and lease failures
- Troubleshoot Radius authentication and attribute alignment
- Validate subscriber state using third‑party BNG session tools
- Investigate session drops, stale sessions, and re‑authentication behaviour
- Validate VLAN tagging and access alignment
- Diagnose IP addressing and allocation issues
- Investigate MTU and fragmentation‑related faults
- Perform WAN and LAN packet capture analysis
- Deep‑dive into CPE routing, NAT and firewall behaviour
- Investigate DNS resolution issues
- Identify firmware‑related behavioural faults
- Validate ACS / TR‑069 provisioning integrity
- Diagnose Wi‑Fi performance issues (RSSI, airtime utilisation, interference)
- Distinguish internal LAN issues from upstream network faults
- Maintain and update technical knowledge base
- Own and drive clear communication during major faults and escalations, providing structured updates to internal teams, suppliers, and stakeholders, ensuring transparency and alignment at all stages
- Proactively build, maintain, and improve the technical knowledge base, ensuring repeat issues, fixes, and best practices are well documented and easily accessible across teams
- Identify gaps in processes, tooling, and documentation, and work with internal teams and suppliers to implement improvements that reduce repeat faults and increase operational efficiency
Personal Attributes
- Strong communicator, able to present complex technical information clearly
- Collaborative team player with a positive approach to internal teams, suppliers and customers
- Methodical, analytical, and evidence‑driven problem solver
- Calm under pressure with strong operational focus
Key Skills and Experience
Essential
- Strong broadband fault diagnostic experience (FTTP preferred)
- Practical understanding of DHCP and Radius flows
- Solid IP networking fundamentals
- Experience working in an IPoE (DHCP‑based) broadband environment
- Strong Wi‑Fi troubleshooting knowledge
- Comfortable interpreting session data, logs, and diagnostic outputs
- Experience working with third‑party BNG or Retail ISP/Wholesale providers
- Ability to produce clear, structured technical escalations
Desirable
- CCNA‑level knowledge
- Experience diagnosing firmware‑related issues
- Experience with ACS / TR‑069 provisioning systems
Qualifications
Relevant networking qualifications desirable (e.g., CCNA), but not mandatory
Layer 3 Network Engineer (Network Assurance Lead) employer: Freedom Fibre Limited.
As a Layer 3 Network Engineer (Network Assurance Lead) at our company, you will thrive in a dynamic and supportive work environment that prioritises employee growth and collaboration. With opportunities for professional development and a culture that values clear communication and teamwork, you will be empowered to tackle complex technical challenges while enjoying the benefits of working in vibrant locations like Stoke and Irlam. Join us to make a meaningful impact in the ISP/Wholesale sector, where your expertise will be recognised and rewarded.
StudySmarter Expert Advice🤫
We think this is how you could land Layer 3 Network Engineer (Network Assurance Lead)
✨Tip Number 1
Network with industry professionals! Attend meetups, webinars, or local tech events to connect with others in the field. You never know who might have a lead on your dream job!
✨Tip Number 2
Show off your skills! Create a portfolio or a personal project that highlights your troubleshooting expertise and technical knowledge. This can really set you apart from other candidates.
✨Tip Number 3
Prepare for interviews by practising common technical questions related to FTTP and DHCP. We recommend doing mock interviews with friends or using online platforms to get comfortable with the format.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search!
We think you need these skills to ace Layer 3 Network Engineer (Network Assurance Lead)
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Layer 3 Network Engineer role. Highlight your experience with FTTP, DHCP, and Radius flows, as these are key to what we’re looking for. Don’t just list your skills; show us how you’ve used them in real-world scenarios!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you’re passionate about network engineering and how your background makes you a perfect fit for our team. Be sure to mention any relevant projects or experiences that align with the job description.
Show Off Your Problem-Solving Skills:In your application, give examples of how you've tackled complex network issues in the past. We love a methodical, analytical approach, so share specific instances where you’ve diagnosed and resolved faults effectively.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, you’ll find all the details you need about the role and our company culture there!
How to prepare for a job interview at Freedom Fibre Limited.
✨Know Your Technical Stuff
Make sure you brush up on your knowledge of FTTP, DHCP, and Radius flows. Be ready to discuss specific troubleshooting scenarios you've encountered in the past. The more examples you can provide, the better!
✨Showcase Your Problem-Solving Skills
Prepare to demonstrate your analytical approach to diagnosing complex issues. Think of a few challenging problems you've solved and be ready to walk through your thought process step-by-step during the interview.
✨Communicate Clearly
Since this role requires clear communication, practice explaining technical concepts in simple terms. You might be asked to explain how you would communicate updates during a major fault, so think about how you'd keep everyone informed.
✨Be Ready for Real-World Scenarios
Expect situational questions that test your ability to handle real-world network issues. Prepare by reviewing common faults and how you would approach diagnosing them, especially in a high-pressure environment.
