Job Description
The Fibre Capacity Analyst is responsible for ensuring sufficient and cost‑efficient capacity across the fibre transport network (access, aggregation, and core), enabling reliable service delivery and headroom for growth. The role combines data analysis, capacity modelling, and cross‑functional coordination to anticipate congestion, trigger augmentations, and optimise utilisation on leased and owned fibre assets.
What you will do in the role:
- Lead capacity management across fibre.
- Build and maintain short‑, medium‑ and long‑term capacity plans for fibre paths, ducts, sub‑ducts, spares, and lit services.
- Translate demand (RAN rollout, 5G/FTTP take‑up, enterprise orders, IP core uplift, maintenance windows) into capacity requirements at link, node, and route level.
- Model headroom and risk using thresholds and time‑to‑exhaust with scenario analysis and seasonality.
- Monitor utilisation trends across access backhaul, aggregation rings, metro and long‑haul, flagging hotspots and service risk.
- Produce weekly congestion dashboards and exception reports; recommend tactical and strategic augments).
- Build repeatable analytics via SQL/Python and BI dashboards (Power BI/Tableau); automate data pipelines and model refresh.
- Raise and track capacity augments (buyouts, xWDM expansion, new waves, duct build, leased line upgrades) through design, commercial approval, and delivery.
- Support on the business cases with ROI/TCO, capex/opex split, options analysis, and risk assessment; present to governance forums (e.g., Change Board).
- Develop and maintain capacity models for fibre infrastructure.
- Forecast future capacity needs based on traffic trends, business growth, and technology evolution.
- Provide capacity input into strategic decision making for investment planning and vendor discussions.
- Drive automation of capacity tracking and monitoring processes.
- Drive the use and development of tooling (e.g., telemetry, inventory, analytics dashboards).
- Collaborate with fibre strategy, fibre planning and fixed fibre enterprise team.
- Support on regulatory requirement for Capacity.
- Govern the integration of Capacity insights into annual budgeting and delivery cycles.
Qualifications
The ideal person for the role.
- Extensive experience in telecom network capacity planning, performance management, and complex problem‑solving using multi-domain data‑driven approaches.
- Proven capability to model capacity scenarios, forecast demand and guide strategic decision‑making.
- Strong root‑cause analysis skills, with the ability to deliver tactical fixes and long‑term performance improvement plans with strong communication and stakeholder management.
- Deep understanding of transport technologies including Fibre, IP, MPLS, and DWDM, alongside proficiency in Python, SQL, Tableau, and Power BI.
- Hands‑on experience with network monitoring and inventory platforms, including producing accurate weekly/monthly capacity and performance reports and dashboards.
Additional Information
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Need to know
We are regulated by the Financial Conduct Authority and all offers of employment for this role are subject to background checks, including criminal (DBS) and financial checks to meet the regulators standards.
We believe everyone should have the opportunity to interview for a role that matches their skills. In collaboration with our Talent, Diversity & Inclusion teams and our employee-led DEI Networks, we identified a range of reasonable adjustments to help you feel comfortable and perform at your best self during the interview process. If you require any reasonable adjustments or have an accessibility request as part of your recruitment journey, for example, extended time or breaks in between online assessments, a sign language interpreter, or assistive technology, please contact your recruiter directly or email [email protected] for guidance.
We use AI in different parts of our business to boost innovation, improve efficiency, and create new opportunities. We know many candidates use AI to fine-tune their CVs or prepare for interviews, but what we really care about is your unique experiences and achievements.
During the interview, we want you to rely on your own knowledge and skills to show us who you really are—your personality, creativity, and abilities. Above all, we’re looking for authenticity and can’t wait to get to know the real you.
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