Senior Installation Supervisor

GX Modular Ltd; Ipswich; On-site; GBP 44,000 - 46,000; Full time

Benefits offered by this job

Company van

Fuel card

Bonus scheme

Paid travel

Accommodation

Career opportunities

Job summary

Garden Annexes by GX Modular is seeking an experienced Senior Installation Supervisor to lead a four-person team in constructing high-quality timber-framed domestic annexes at customer properties across the UK. This permanent role involves hands-on installation, site management and ensuring work meets exacting standards, typically delivering one installation per week.

You will travel nationwide (50% away) with paid travel and accommodation, hold a full UK driving licence, and report to the

Qualifications

• At least five years senior 1st and 2nd fix carpentry experience.
• Proven team leadership and site/installation management experience.
• Hands-on leader with strong problem-solving and customer-facing skills.

Responsibilities

• Lead the installation team and manage site activities.
• Offload and assemble timber-framed annexes using glulam and pre-cut panels.
• Check groundworks and oversee 1st and 2nd fix carpentry, floor laying and internal door hanging.
• Oversee kitchen and bathroom fitting, UPVC windows and doors, and EPDM/lightweight tile roofing.
• Liaise with customers and the off-site Project Manager.

Skills

Team leadership

Carpentry experience

Site/installation management

Customer-facing skills

Problem-solving

Driving licence

Job description

Senior Installation Supervisor - Spider is advertising on behalf of Garden Annexes by GX Modular, who are looking for an experienced hands on Senior Installation Supervisor (Senior Fitter) to join their growing team. This permanent, full-time role is based from Bury St Edmunds, Suffolk, with nationwide travel to domestic customer properties.

Fantastic company benefits include:

• Competitive Salary:£43,500 - £45,500 per annum + bonus scheme
• Holiday: 20 days + bank holidays, increasing by one day per year to 25 days
• Other benefits Company van and fuel card, company-wide bonus scheme (payable most months), paid travel and accommodation, consistent year-round work, supportive team and long-term career opportunities.

About the role

As the Senior Installation Supervisor, you will lead an experienced four-person installation team, assembling and finishing high-quality, pre-cut residential annexes at domestic properties across the UK, typically completing one installation per week.

This hands-on role includes:

• Leading the team and managing site activities
• Offloading and assembling timber-framed annexes using glulam and pre-cut panels
• Checking completed groundworks before installation
• Completing and overseeing 1st and 2nd fix carpentry, floor laying and internal door hanging
• Overseeing kitchen and bathroom fitting, UPVC windows and doors, and EPDM/lightweight tile roofing
• Liaising with customers and the off-site Project Manager

About you

You will have at least five years senior 1st and 2nd fix carpentry experience, plus proven team leadership and site/installation management experience. You ll be a hands‑on leader with excellent problem‑solving and customer‑facing skills, able to work independently while maintaining high standards.

A full UK driving licence and willingness to travel nationwide are essential. Approximately 50% of installations involve working away, Monday to Friday only, with paid travel and accommodation. You will return home each weekend.

About GX Modular

Garden Annexes by GX Modular is a growing specialist delivering high-quality domestic annexes across the UK, manufactured in-house and installed at customers homes.

Spider is committed to equal opportunities and welcomes applications from suitably qualified candidates. Please advise us of any reasonable adjustments required during recruitment. Please check your inbox and spam/junk folder for correspondence.