G.Network Communications
Principal Field Engineer (Cabinets)
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About the Company
G.Network is transforming London’s connectivity by delivering world-class, full fibre broadband direct to homes and businesses. As a 100% full fibre provider, we’re rolling out Fibre to the Premises (FTTP) across central London.
Our vision is to build a better-connected London, and our purpose is to unlock the power of GigaFast speeds to enable the communities we serve to thrive.
We’re a values-led organisation, and our culture is built around four key principles:
- Fair – We treat everyone with respect, create equal opportunities, and always strive to do the right thing.
- Excellence – We take pride in our work and aim to deliver the highest standards in everything we do.
- Resilience – We stay focused and adaptable, even when things get tough, supporting each other to overcome challenges.
- Fast – We move at pace, make smart decisions quickly, and act with purpose to deliver for our customers.
We believe in creating a workplace where everyone feels they belong. These values guide how we work, how we support one another, and how we make a real impact across London.
About the Role
The Cabinet Engineer is an experienced, multi-skilled engineer responsible for the maintenance, operation, fault finding and technical support of fibre network cabinets and the equipment contained within them. The role requires a strong understanding of cabinet infrastructure, electrical systems, power distribution, fibre connectivity and network equipment, including Cisco devices.
The engineer is responsible for diagnosing and resolving complex technical faults, carrying out planned and reactive maintenance, supporting network upgrades and ensuring cabinet infrastructure remains safe, reliable and operational. The role involves working across multiple technical disciplines and requires the ability to identify faults, determine root causes and implement effective solutions with minimal impact to network services.
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Responsibilities
- Install, maintain, upgrade and commission fibre network cabinets and associated equipment.
- Carry out electrical and power fault finding, including AC/DC supplies, batteries, PSUs, breakers and distribution equipment.
- Install, maintain and troubleshoot Cisco and other network equipment, including basic network and connectivity faults.
- Carry out fibre patching, testing, fault finding and fibre connectivity work.
- Diagnose and resolve complex faults across electrical, power, fibre, networking and hardware systems.
- Respond to network faults and outages, working with the NOC and other engineering teams to restore services.
- Carry out planned preventative maintenance and identify potential equipment or cabinet issues before they cause failures.
- Support cabinet upgrades, network expansion projects, equipment replacements and migrations.
- Maintain accurate cabinet records, asset information, test results and fault reports.
- Follow all health & safety procedures, RAMS, permits and company standards when carrying out work.
- Work independently as an experienced engineer and provide technical support and guidance on complex cabinet-related issues.
Qualifications
- Relevant technical qualification in Telecommunications, Electrical Engineering, Networking or a related field.
- Appropriate electrical and health & safety training/certification.
- Relevant fibre optic and network equipment training.
- Cisco qualifications or equivalent networking knowledge would be beneficial.
- Full UK driving licence.
Required Skills
- Significant experience working as a Cabinet, Fibre, Telecoms or Network Engineer.
- Strong hands-on experience working with telecommunications/network cabinets and associated equipment.
- Experience with electrical fault finding, power systems and equipment maintenance.
- Experience installing, maintaining and fault-finding Cisco switches, routers and other network equipment.
- Good understanding of fibre infrastructure, patching, testing and fault finding.
- Practical experience carrying out OTDR and iOLM testing on live fibre networks, including interpreting test results and using them to identify and diagnose fibre faults.
- Experience tracing fibre faults and identifying issues such as breaks, high loss, reflections, poor splices and connector-related faults.
- Experience diagnosing faults across power, electrical, fibre, networking and hardware.
- Experience working independently on planned and reactive maintenance and responding to network faults.
- Experience supporting network upgrades, equipment replacements and infrastructure projects.
- Proven data centre experience within the telecommunications industry.
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Preferred Skills
- Technically confident with a strong practical approach to problem solving.
- Excellent fault-finding and diagnostic skills.
- Able to work independently and take ownership of issues through to resolution.
- Reliable, organised and able to prioritise work effectively.
- Calm and methodical when dealing with faults and service outages.
- Strong attention to detail when working on critical network infrastructure.
- Good communication skills and able to work effectively with NOC, network, project and engineering teams.
- Willing to share knowledge and support less experienced engineers.
- Strong commitment to health, safety and quality.
- Flexible and willing to work outside normal hours when required for critical faults or planned works.
- CNCI Fibre, PIA SA002, PIA S6/S7, NRSWA Unit 2, Working at heights, EUSR Shea telecoms, G39EAL Level 3 in DC Electrical Installations (Desirable).
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