Fibre Optic Engineer

We’re the team behind the UK’s telecom networks—building, upgrading, and keeping the country connected! From fibre installs to 5G rollouts, we make it happen with innovation, speed, and a smile. If you love a challenge and want to be part of something big, Comex 2000 is the place to be.

We’re looking for an experienced Fibre Optic Engineer to join our growing team. If you take pride in high‑quality engineering, enjoy working both independently and as part of a team, and want to play a key role in building and maintaining the UK’s fibre networks, this could be the perfect fit.

In this role, you’ll be hands\-on with the construction, activation, and maintenance of fibre networks—working across both new\-build and live environments. You’ll be responsible for splicing, testing, commissioning, and fault resolution, ensuring every connection meets the highest standards of performance, safety, and reliability.

What You’ll Be Doing

Fibre Installation

• Installing, terminating, and testing fibre cables (2–432 core SM).


• Fusion splicing using Fujikura or similar equipment.


• Building and installing ODFs, joints, cabinets, and other enclosures.


• Creating new splice points and carrying out live network splicing and repairs.


• Working across underground, overhead, and internal environments (data rooms, comms cabinets).


• Ensuring all routing, coiling, and labelling meets client and industry standards.

• Carrying out OTDR, ILM, CD, PMD, IOLM and PON testing.


• Analysing traces and test results to identify and resolve issues.


• Producing clear, accurate test reports and as\-built documentation.


• Supporting the commissioning and handover of new fibre links.

• Performing proactive and reactive maintenance on live and new\-build networks.


• Diagnosing and repairing faults to minimise downtime.


• Replacing components and ensuring long\-term network reliability.

• Working safely at height, in confined spaces, and across varied environments.


• Completing risk assessments, vehicle checks, and tool inspections.


• Maintaining PPE and equipment to a high standard.


• Participating in the Emergency Response Support rota when required.

• Managing tools, materials, and equipment effectively.


• Interpreting technical diagrams, SLDs, schematics, and job packs.


• Keeping documentation up to date, including splice schedules, redlines, and test results.


• Reporting progress and issues through digital systems.


• Capturing accurate site evidence (photos, measurements, as\-builts).

• Communicating professionally with clients, end users, and the public.


• Providing clear updates on planned works and progress.


• Representing the company with professionalism and a positive attitude.

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