Location
Greater London (Field-based)
Depot
Broxbourne (Operational Hub)
Salary
£35,000 – £45,000 per annum (PAYE)
The upper end of the salary range is reserved for candidates with significant, demonstrable experience, including strong surveying, reporting, estimating, and complex repair capability.
Contract
One-year fixed-term, with opportunity to become permanent
This is a full-time PAYE role with fixed working hours and clear performance expectations, including reliability, punctuality, and accountability.
The Role
This is a full-time, field-based role for a Window & Door Service Engineer (Surveying & Repairs) providing service and repair coverage across Greater London.
The role involves surveying, servicing, and repairing a wide range of window and door systems, combining detailed inspections with high-quality technical repair work. You will be expected to work to defined standards, follow agreed processes, and deliver consistent, reliable outcomes across all assigned jobs.
The position requires an engineer who is comfortable working independently on site, takes ownership of their work, and maintains clear communication and documentation throughout each stage of delivery.
Essential Requirements
To be successful in this role, you will need to demonstrate the ability to deliver both surveying and engineering responsibilities to a high professional standard.
You must have
* Proven experience surveying, diagnosing, repairing, and replacing components across a wide range of window and door systems, with the ability to work independently on site, manage jobs end-to-end, and take ownership of outcomes.
* Strong inspection and fault‑finding capability, including taking accurate measurements, assessing system condition and performance, and determining appropriate repairs, adjustments, or replacements.
* Hands‑on experience completing repairs and replacements, including hinges, handles, locks, cylinders, operating mechanisms, and multi‑point locking systems, with strong locksmith capability.
* Practical experience working with uPVC, aluminium, timber, and aluminium‑clad timber systems, including tilt‑and‑turn, tilt‑and‑slide, lift‑and‑slide, sliding, casement, and sash systems, and with premium brands such as VELFAC, Rationel, and Idealcombi.
* Confidence producing clear written inspection and completion reports that set out findings, required works, and outcomes, with a strong focus on quality, safety, and precision.
* A full UK driving licence, own hand and power tools suitable for window and door service and repair work, and the ability to work full contracted hours consistently.
How the Role Is Delivered
Repairs, Remedial Works & Completion
This role is primarily focused on the delivery of high‑quality repairs and remedial works. You will be responsible for carrying out approved repairs accurately, efficiently, and to a consistently high professional standard, ensuring all windows and doors operate safely, smoothly, and as intended.
Repair works include mechanical adjustments, glazing replacements, sealing works, and the installation of associated remedial measures. You will take full ownership of job completion, including confirming works carried out, recording materials and labour, and providing photographic evidence where required.
Surveys, Specification & Technical Diagnosis
You will carry out structured inspection surveys to accurately diagnose faults, assess system condition and performance, and specify the correct materials and labour required to complete repairs properly first time. Survey accuracy and clear reporting are essential, as repair works are costed and approved based on your findings.
Systems, Hardware & Locksmith Work
The role involves regular work on complex operating and locking hardware. You will be expected to adjust, repair, and replace operating mechanisms and locking systems across uPVC, composite, aluminium, and timber doors and windows.
This includes work on tilt‑and‑turn hardware (hinges, gearboxes, and operating mechanisms), sliding, lift‑and‑slide, and bi‑fold door systems (rollers, tracks, carriers, and locking components), as well as hinges, restrictors, shoot bolts, cylinders, and operating handles where required.
You must be confident diagnosing faults, identifying the correct replacement components, and fitting or adjusting hardware to ensure smooth, secure, and reliable operation in line with system and manufacturer requirements.
Suitable Relevant Trade Backgrounds
Suitable Backgrounds
We are open to candidates from a range of relevant trade backgrounds, provided they can meet the essential requirements of the role. Suitable backgrounds may include :
* Experienced window and door service engineers
* Multi‑trade or glazing engineers with strong window and door repair experience
* Carpenters or aluminium installers with demonstrable experience repairing, adjusting, and fault‑finding on windows and doors
You do not need to meet every requirement on day one. Candidates transitioning from related trades will typically start at the lower end of the pay band, with clear progression as window and door‑specific service, diagnostic, and locksmith skills develop. What matters most is technical aptitude, reliability, and a willingness to work to high service and quality standards.
About GC Doors
GC Doors is a specialist window and door service and repair company operating across residential, commercial, and public‑sector sites throughout Greater London.
We deliver technically accurate surveying, reliable diagnostics, and high‑quality repair and remedial works across uPVC, aluminium, timber, and composite systems, including high‑spec and premium products.
Our reputation is built on technical excellence, realistic planning, and controlled delivery. Across thousands of delivered works, we maintain a recall rate of under 1 %, reflecting the quality of our work and the expertise of the engineers delivering it. We operate in sensitive and high‑expectation environments where accuracy, reliability, and professional conduct are essential.
This role is well suited to professionals who
* Value structured working hours, reliability, and accountability within a well‑planned working day
* Are comfortable working within defined processes and quality expectations, and taking ownership of surveying, reporting, estimating, and job delivery
* Prefer a PAYE role offering stability, consistency, and long‑term opportunity, where strong performance is recognised
Depot & Coverage
GC Doors operates from its main depot in Broxbourne, which serves as the operational hub for material collection, waste disposal, and deployment to sites across Greater London.
This is a field‑based role providing service and repair coverage across Central, North, South, East, West, and Outer London.
Applications are particularly welcomed from candidates based to the north and northwest of the M25, including areas such as Watford, Barnet, Elstree, Borehamwood, Potters Bar, Bushey, Stanmore, Edgware, Mill Hill, Radlett, and Enfield, as this supports efficient depot access and deployment across our typical service locations.
Ideally, candidates will live within a reasonable commuting distance (approximately 45 minutes) of the Broxbourne depot to support reliable start times and efficient operations.
Working Hours & Attendance
Working hours are Monday–Friday, 08 : 00–17 : 00, equating to 40 paid hours per week.
Engineers are expected to be on site and working between 09 : 00 and 17 : 00, unless otherwise agreed due to access arrangements or job requirements. Overtime applies to approved on‑site working time carried out before 08 : 00 or after 17 : 00, and is paid in line with company policy.
Consistent attendance and punctuality are essential. Reliability, timekeeping, and adherence to paid hours, on‑site hours, and overtime arrangements are reviewed during the probationary period and through ongoing performance reviews.
What We Offer
* Secure PAYE employment
* Auto‑enrolment pension scheme
* Competitive salary aligned to experience and capability
* Company van, PPE, uniform, phone, and iPad provided
* Company credit card for approved work‑related purchases
* Paid overtime where applicable
* 28 days annual leave, inclusive of bank holidays
* Structured workloads and realistic planning
* Training and development support
* Monday–Friday working, with no weekend working
Pay & Progression
Salary is set within the advertised range based on experience and capability. The higher end of the range is reserved for engineers with significant, demonstrable experience who can independently survey, specify materials, estimate labour, and deliver complex repairs.
Pay progression is reviewed following the probationary period and is linked to reliability and timekeeping, technical competence, accuracy of surveying, reporting, estimating, and overall independence and quality of work.
Equality and Inclusion
We welcome applications from all backgrounds, regardless of age, gender identity, ethnicity, sexual orientation, faith, or disability. We are committed to creating an inclusive workplace and will make reasonable adjustments throughout the recruitment process where needed.
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