Fibre Optic Engineer

Comex2000uk; Livingston; Hybrid; GBP 32,000 - 52,000; Full time

Job summary

Comex 2000 is seeking an experienced Fibre Optic Engineer to join our team in the UK. You will splice, test, commission, and fault-find across new-build and live fibre networks, ensuring high standards of safety and reliability.

You will work hands-on with OTDRs and power meters, read network diagrams, and collaborate with clients and colleagues to deliver quality connections in varied environments.

Qualifications

• Strong technical skills in fibre splicing, testing, and diagnostics.
• Ability to read and interpret network diagrams and documentation.
• Excellent communication, organisation, and problem-solving skills.
• Comfortable working outdoors in all weather conditions.
• Experience on live and new-build fibre networks.
• Knowledge of FTTP/FTTH/PON/GPON architectures.
• Familiarity with NRSWA requirements and client procedures.

Responsibilities

• Installing, terminating, and testing fibre cables across various environments.
• Fusion splicing using Fujikura or similar equipment.
• Building and installing ODFs, joints, cabinets, and enclosures.
• Carrying out live network splicing and repairs.
• Performing proactive and reactive maintenance on networks.
• Diagnosing faults to minimise downtime and producing test reports.
• Interpreting diagrams, schematics, and job packs.
• Reporting progress through digital systems.

Skills

Fiber splicing

OTDR testing

Network diagrams

Outdoor work

IT & digital reporting

Team & independent work

FTTP/FTTH/PON/GPON

2+ years experience

Education

NRSWA (SLG Unit 2)

Tools

OTDR equipment

Power meter

Job description

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

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.

Testing, Commissioning & Fault Resolution

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.

Network Maintenance

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.

Health, Safety & Compliance

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.

Site Operations & Quality

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).

Relationship Management

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.

Requirements

Strong technical skills in fibre splicing, testing, and diagnostics.

Confident using OTDR and power meter equipment (EXFO, Anritsu, Nettest, etc.).

Ability to read and interpret network diagrams and documentation.

Excellent communication, organisation, and problem-solving skills.

Comfortable working outdoors in all weather conditions.

Competent with IT systems, mobile apps, and digital reporting tools.

Self-motivated, reliable, and able to work independently or as part of a team.

At least 2 years’ experience in fibre splicing and testing.

Experience working on both live and new-build networks.

Understanding of FTTP/FTTH/PON/GPON architectures.

Familiarity with NRSWA requirements and client operating procedures.

Experience with fault diagnostics and characterisation reporting.

Knowledge of fibre components such as closures, ODFs, and patch panels.

Experience updating job data in internal and client systems.

Qualifications

NRSWA (SLG Unit 2)