Active Network Integration Manager in London

nexfibre is a next-generation network infrastructure provider transforming the UK’s full fibre market. Our platform brings competition and innovation, delivering lasting impact to the people, communities and businesses we serve. Backed by an investment of £4.5 billion from our experienced global investors InfraVia Capital Partners, Liberty Global and Telefónica, and our lenders, we are delivering our network to millions of previously under-served premises across the UK, using the latest XGS-PON architecture, capable of symmetrical speeds of up to 10Gbps. We operate a wholesale business model; our customers are broadband ISPs and B2B resellers and customers. We do not operate a retail broadband business.

Job Purpose
Responsible for the planning and delivery of the active network, service assurance, and OSS integrations, including the management of internal and external stakeholders.

Key Accountabilities

• Act as the primary operational interface between nexfibre, VMO2, and Substantial Group for the integration of active network, service assurance, and OSS platforms.
• Responsible for defining the integration strategy, leading analysis (including separation activities), and ensuring Legal Day 1 readiness.
• Post-acquisition, accountable for the end-to-end delivery of integration programmes, including active network and OSS migration, service assurance continuity, data and asset reconciliation, and remediation activities.
• The role will also involve contributing to fibre planning activities to support and enhance network performance, capacity, and resilience where required.
• Ensures strong stakeholder and partners management, effective governance, risk control, and a smooth transition to BAU operations.

Example Post‑acquisition Activities Include

• Migration and novation of active network infrastructure (e.g. OLT migrations, supplier transitions).
• Integration and migration of OSS platforms (inventory, provisioning, assurance systems).
• Alignment and stabilisation of service assurance processes (fault, incident, performance management).
• Reconciliation and validation of network records, assets, and configurations.
• Delivery of remediation programmes to resolve data, network, and system inconsistencies.
• Coordination of stakeholder engagement across internal teams and partners.
• Transition to BAU operations, including NOC readiness, documentation, and process alignment.

Builds and maintains trusted relationships with key internal and external stakeholders to ensure alignment and successful delivery of integration objectives.

About You
At nexfibre, we’re building a culture that attracts, develops, and retains top talent. Our values are Open, Fast, Simple. Our team is driven, high‑performing, and thrives in a fast‑paced, ever‑evolving digital infrastructure industry. We’re looking for people who share our passion for connecting communities, driving innovation, and delivering the next generation of full‑fibre networks across the UK.

The successful candidate will bring the following attributes and skills:

Knowledge & Experience

• Demonstrable experience in XGS‑PON networks, including active components (e.g. OLTs, ONTs) and OSS platforms (inventory, provisioning, service assurance), within live operational environments.
• Ideally also knowledge of aggregation and core network.
• Experience in Planning activities linked to fibre networks, exchange infrastructure and network resilience.
• Significant experience in developing and challenging costs and benefits in business cases.
• Results driven as well as process driven.
• Able to multi‑task and think about the project through different lenses.
• Strong communication, interpersonal, influencing and presentation skills.
• Able to interact with key decision makers at all levels.
• Self‑motivated and proactive in the working environment.
• Take accountability for innovation pipeline by championing new and creative approaches.
• Able to think critically and creatively.
• Able to collaborate effectively and work as part of a team.
• Is able to incorporate diverse perspectives across the organisation.

Benefits

• Competitive salary and bonus scheme.
• 25 days’ annual leave, plus the usual 8 UK Bank Holidays.
• Bupa private healthcare coverage.
• Access to wellbeing and mental health benefits such as the WeCare app, critical illness cover, dental & optical insurance.
• Pension contribution matched up to 10%.
• Access to our car benefit scheme via Tusker and our Cycle to Work scheme.
• Virgin Media / O2 discounts and offers.

Location
We are based in Paddington. The position is full time, hybrid with a minimum 3 days based in the office. Nexfibre is an equal opportunity employer. We embrace diversity and are committed to creating an inclusive environment for our people. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.