Job description: Position: Plant Fitter Location: McQuillan Quarries Responsible to: Quarry Manager Contract type: Full-time, permanent Salary: Competitive Working hours: 39 hours per week as well as overtime during mornings, evenings and weekends (weekends on a rota basis), which is a requirement for the role. Why work for McQuillan Companies? McQuillan Companies, a family-run business in Northern Ireland, offers a diverse range of services including roadworks, civil engineering, demolition, quarrying, waste management, outdoor cleaning and analytical chemistry. If you're seeking a career in a growing company with a dynamic environment and great benefits, McQuillan Companies is for you. We value all perspectives and create a supportive space where people thrive McQuillan Quarries have been associated with high quality materials and service for generations. This tradition has ensured that we are now leading suppliers of bituminous products, high PSV aggregate and construction fill materials. Our two asphalt coating plant locations outside Belfast and Dromore Co. Down have state of the art manufacturing facilities allowing us to supply our own contracting division whilst comfortably servicing a public market for any blacktop material needs. With materials testing labs at both depots, we ensure the supply of quality products that meet British and European standards. We offer a range of benefits including: Competitive salaries and overtime (where applicable) An excellent employee pension scheme 30 days of annual leave Working as a part of a dynamic group of professionals who excel at maintaining regulatory standards while fostering a supportive and welcoming environment Excellent development, learning and training opportunities Participation in a range of team building activities Employee Initiatives (Social & Fundraising activities) Free onsite parking Overall objectives We seek to appoint a Plant Fitter to join our busy and expanding team within McQuillan Quarries. If you are looking for a career opportunity within a growing business that includes a range of benefits, in a dynamic and engaging working environment then McQuillan Companies is the place for you. This role will require someone with a 'can do' attitude, a commercial approach and demonstrable attention to detail. The successful candidate will report to the Quarry Management team and must be hardworking, reliable and possess excellent communication & inter personal skills. In return you will be awarded a competitive salary, variety within your role, the ability to build upon your existing experience within the profession and the opportunity to work within a friendly and supportive team. Key responsibilities: Work in full compliance with site health and safety rules, permits and safe systems of work Carry out planned preventative maintenance (PPM) and breakdown repairs on quarry plant and equipment Diagnose mechanical faults efficiently and implement safe, effective repairs to minimise downtime Carry out basic fabrication, welding and fitting work as required Assist with plant installations, upgrades and shutdown maintenance activities Correct use of PPE, isolation procedures and lock-off systems Safely use and maintain hand tools, power tools, lifting equipment and workshop machinery Maintain high standards of housekeeping in workshops and on site Work closely with quarry managers, supervisors and plant operators to support production Essential Criteria: Proven experience in mechanical maintenance and repair of plant and equipment Strong knowledge of mechanical systems including bearings, gearboxes, conveyors, hydraulics and pneumatics Ability to diagnose faults and carry out safe, effective breakdown and preventative maintenance Ability to carry out welding and fabrication work Strong commitment to working safely and following safe systems of work Thorough understanding of quarry and industrial health and safety requirements Experience with risk assessments, method statements and permit-to-work systems Strong problem-solving and fault-finding skills Ability to work independently and make sound decisions under pressure High level of attention to detail and quality of workmanship Willingness to work flexible hours, including breakdowns, shutdowns and emergency call-outs Desirable Criteria: Additional trade qualifications (e.g. welding, fabrication, hydraulics) Confined space, working at height, lifting operations, or LOLER awareness training Forklift, MEWP, or plant operator tickets Due to the location of the Quarry a full driving licence and own transport is essential. Closing date for applications is: Friday 6th February 2026 This job description should not be regarded as conclusive or definite. It is a guideline within which the individual jobholder works. It is not intended to be rigid or inflexible and may alter as the Companys strategic direction changes. Skills: Excellent communication and influencing skills Project management skills Good IT skills Strong customer service skills Min of 2 years experience in a supervisory role Flexible approach to work Good understanding of heavy plant and machinery Benefits: Competitive salaries L&D opportunities 30 days of annual leave