About M. O’Brien Plant Hire
M. O’Brien Plant Hire Ltd is a leading supplier of plant hire and transport solutions, supporting major construction and infrastructure projects. With a modern fleet and a strong focus on safety, reliability, and service, we are committed to keeping our customers’ projects running smoothly.
We are looking for a skilled and motivated Workshop Fitter to join our depot team, maintaining and preparing plant equipment to the highest standards.
Purpose of the Role
To maintain, repair, and prepare plant machinery and equipment, ensuring all assets are safe, reliable, and ready for hire, while supporting the operational performance of the depot.
Key Responsibilities
Inspect, diagnose, and repair a wide range of plant equipment including excavators, dumpers, telehandlers, and attachments
Carry out routine servicing and preventative maintenance in line with manufacturer and company standards
Repair and replace mechanical components including hydraulics, engines, gearboxes, and braking systems
Undertake welding, fabrication, and minor structural repairs where required
Prepare plant for hire, ensuring all safety checks and quality standards are met
Complete job sheets, service records, and defect reports accurately using company systems
Manage parts and consumables, ensuring stock levels are maintained
Support installation of safety systems and additional equipment
Maintain high standards of workshop health & safety and organisation
Assist with breakdowns, plant recovery, and occasional on-site repairs as required
What We’re Looking For
Essential:
Proven experience as a plant fitter, mechanic, or engineer within construction plant, heavy vehicles, or agricultural equipment
Relevant qualifications (NVQ Level 2/3, City & Guilds, or equivalent experience)
Strong knowledge of hydraulics, diesel engines, and mechanical systems
Excellent fault-finding and diagnostic skills
Full UK driving licence
Desirable:
Experience within a plant hire or rental environment
Welding and fabrication skills (or willingness to train)
Knowledge of modern plant systems such as telematics and safety equipment
Additional qualifications (e.g. NVQ Level 3 Plant Maintenance, CPCS/NPORS)
Personal Attributes
Practical, hands-on, and detail-focused
Reliable and adaptable in a fast-paced environment
Strong team player with good communication skills
Committed to health & safety and quality standards
Self-motivated with a proactive approach
What We Offer
Competitive salary (DOE)
Stable, long-term opportunity within a growing business
Ongoing training and development opportunities
Opportunity to progress within the workshop or into senior engineering roles
Supportive and professional team environment
Equal Opportunities
M. O’Brien Plant Hire Ltd is an equal opportunities employer. We value diversity and are committed to building an inclusive workforce.

The M O'Brien group is continuing to grow and raise the bar within the construction industry. Led by a strong a motivated team, M O'Brien group is a multi disciplined service provider.
Our staff are hardworking and motivated individuals with a high knowledge of our industry, who are more than happy to help our customers with practical sound advice that comes from experience.
We invest in only the best Machinery to ensure we can provide a quality and reliable service to all of our customers no matter how big or small the Job. M O’Brien can supply a complete solution for Tier 1 Contractors and Land owners. From the demolition of an existing structure, earthworks, and civil engineering works leaving a turn key solution ready for build.
With the wide range of services that we offer, we can offer our clients
Nationwide plant hire
Nationwide Drainage installation services
Earthworks and site remediation
Demolition and Dismantling
Muck away services
Crushing/ Screening
Aggregate supply and haulage
Quarry and mineral site management.
Landfill and restoration site management
M O’Brien Group is renowned nationwide for its quality of its employees. We only employ the best, reliable and experienced operators to work alongside us. We have worked alongside our operators and site management teams for years and have a strong crew of talented individuals who have the M O’Brien Work ethic and conscientiousness to carry out the task to the highest standard.
Safety is extremely important to us, and if it can’t be done safely we do not do it. We work alongside clients that share our priority of getting everyone home safe each and every day. We are always at the forefront of innovation looking for safer ways to carry out higher risk tasks and have developed many tools that are now common practice in today’s industry.