149 jobs found in Ystrad Mynach

Mechanical Supervisor – Construction Location: Cardiff Contract: 26-week contract Rate: Day rate (DOE) Start: March 2026 We are seeking an experienced Mechanical Supervisor for a construction project in Cardiff, overseeing air conditioning, ventilation, plumbing and other associated works. Key Duties: * Supervise mechanical operatives and subcontractors on site * Oversee installation of AC, ventilation, and plumbing systems * Ensure works meet drawings, programme, and quality standards * Maintain high health & safety standards * Liaise with site management and other trades Requirements: * Proven experience in a Mechanical Supervisor role * Strong knowledge of AC, ventilation, and plumbing * SSSTS (essential) * First Aid at Work (essential) * Valid CSCS card * Ability to read mechanical drawings

Required: Plumbers Location: Merthyr Tydfil (CF47) Duration: 10-11 weeks Start date: Monday 09/02 Site Hours: (Apply online only) (40hrs p/wk) Rate (CIS): £25p/hr rate avg £26.56p/hr as breaks are paid Type of work: Piping up water heaters, soldered copper up to 28mm, 2nd fixing and sanitary ware Requirements: A valid CSCS / JIB / Skill Card How do I apply? Please respond to this advert or contact our 1st Step Bristol office Who are 1st Step Solutions Ltd? Established in 2004, we are a market leader in M&E/Building Services recruitment within the UK construction industry. With over two decades of expertise, we specialise in the supply of both freelance and permanent professionals across all levels of the Built Environment- from Electricians and Plumbers to Supervisors, Project Managers, Quantity Surveyors, and Contracts Managers. Whether you're looking for your next role or seeking skilled labour & staff to support your project, we deliver tailored recruitment...

Required: Plant Room Pipefitters Location: Merthyr Tydfil (CF47) Duration: 10-11 weeks Start date: Monday 09/02 Site Hours: (Apply online only) (40hrs p/wk) Rate (CIS): £25p/hr rate avg £26.56p/hr as breaks are paid Type of work: Experience of working in plant rooms on screwed pipework and victaulic 4" Requirements: A valid CSCS / JIB / Skill Card How do I apply? Please respond to this advert or contact our 1st Step Bristol office Who are 1st Step Solutions Ltd? Established in 2004, we are a market leader in M&E/Building Services recruitment within the UK construction industry. With over two decades of expertise, we specialise in the supply of both freelance and permanent professionals across all levels of the Built Environment- from Electricians and Plumbers to Supervisors, Project Managers, Quantity Surveyors, and Contracts Managers. Whether you're looking for your next role or seeking skilled labour & staff to support your project, we deliver tailored recruitment...

BMSL Group require a Plumber for a project in Porth, affordable apartments new and refurb. You must be from a domestic backround On-site parking Must hold a valid CSCS card This project is best suited to a plumber that prefers a domestic type project Contract Rate: £23.00 p/hr Work until Christmas, possibly back after Christmas Start Date: ASAP 7.30am Start 40 hours per week Monday to Friday Please get in touch via this advert if you are interested in obtaining a start on this project

We are proud to be recruiting for Data Cable Engineers for one of our major Mechanical clients on a busy site in Tredegar What we offer: * Great rates of pay * Good hours * Long term work What we require for the job. * ECS or CSCS Card * Exprience with CAT 6a

Site Engineer needed in Newport, groundworks and civils experience needed

Reliable hard working Labourer required in Llantristant. 18 months work. You must live within 20 mins of Llantristant to considered for this job. Immediate start * 07:30am start * CSCS card * PPE - Hard Hat, Safety Footwear and High Vis. * Hardworking * Good timekeeping * Reliable YOU WILL BE: * Undergoing general site tasks under the direction of the Site Manager. * Keeping site tidy and free of hazards * Loading and unloading construction materials * Assembling and dismantling equipment as required

Reliable hard working Traffic Marshal /Labourer required in Llantristant. 18 months work. You must live within 20 mins of Llantristant to considered for this job. Immediate start * 07:30am start * CSCS card * Traffic Marshal Certificate * PPE - Hard Hat, Safety Footwear and High Vis. * Hardworking * Good timekeeping * Reliable YOU WILL BE: * Undergoing general site tasks under the direction of the Site Manager. * Keeping site tidy and free of hazards * Loading and unloading construction materials * Assembling and dismantling equipment as required

Ref: P3ZBM Location: Merthyr Tydfil (CF47) Hours: Monday to Friday 7.30am-5pm Pay: £25.00ph paid weekly via umbrella Duration: Ongoing Contract – Long Term Project Duties: Pipefitting on a large project, must be able to work with soldered copper

BMSL Group require Pipefitters for a LONG TERM project in Merthyr Tydfil. Must hold a valid skill card showing your trade and CSCS logo. Experience of working on large new build projects is essential. The scope of work involves victaulic, screwed, copper. Contract Rate: £24.00 p/hr 8 months work Start Date: ASAP 7.30am Start 40+ hours per week Monday to Friday Please get in touch via this advert if you are interested in obtaining a start on this project

We are recruiting a Site Engineer / Setting Out Engineer to support the delivery of a large-scale infrastructure scheme involving groundworks, road construction, drainage, and Section 278 works. The contractor is a well-established civils specialist with a strong reputation for delivering complex commercial and infrastructure projects, including high-value technical developments. Key Responsibilities * Setting out for groundworks, roads, drainage, and S278 works * Engineering control and quality checks on site * Interpreting drawings and resolving technical queries * Maintaining accurate site records and as-built information Requirements * Proven civils setting out experience * Strong knowledge of groundworks and highways works * Valid CSCS card * Confident using GPS / Total Station

Groundworker (x2) – Newport Outskirts of Newport Min 10 weeks 8 hours per day £19.00 – £19.50 per hour Immediate start Pro Staff Construction are looking for 2 Groundworkers to work on a new residential project near Newport. Requirements: Experience in foundations & drainage Valid CSCS card If you’re available and interested, please apply now or contact Pro Staff Construction Ltd for more information

Caledonian Construction are recruiting for: * 3 x JIB Electrician * Work is at Newport Data centres * Starting ASAP * 2 months work * Install work * 9.5 hours paid - 7am to 5pm * Contract rate: £26.09 p/h If this role is of interest to you and you want the start, please apply now

Involve Recruitment working with a well-established commercial contractor delivering commercial fit-out projects up to £3m across Cardiff and the surrounding areas. Due to continued workload, they’re looking to appoint an experienced Site Manager to take full responsibility for site delivery. Key responsibilities include: * Day-to-day site management of fit-out projects up to £3m * Managing direct labour and subcontractors * Driving H&S, quality and programme on site * Coordinating with Project Managers, clients and consultants * Maintaining site records, RAMS, inductions and progress reporting * Ensuring works are delivered on time, on budget and to specification About You * Proven experience as a Site Manager on fit-out projects * Strong understanding of health & safety and quality standards * Able to manage multiple trades and tight programmes * Confident communicator with a...

Quantity Surveyor / Senior QS Job Type: Freelance (18 months) with potential of a permanent position after that Day Rate: £300–£350 per day (experience‑dependent) Location: Cardiff – site based, 5 days per week Position Summary We are seeking an experienced Quantity Surveyor to join our team on a freelance basis for an initial 18‑month period, with the opportunity to transition into a permanent role depending on performance and business needs. Our organisation delivers the design, specification, and commercial management of mechanical and electrical (M&E) services across a range of commercial, industrial, government, and healthcare projects. With a strong track record for technical excellence and dependable delivery, we require a commercially strong QS to support the financial, contractual, and procurement functions for our site‑based operations in Cardiff. This role is ideal for a QS with substantial experience within M&E contracting or building services who thrives...

Architect / Architectural Technologist - 12-Month Contract Cardiff Central Station Extension | £27.06/hr | February 2026 Start Why This Role? High-profile rail infrastructure: Work on the extension and refurbishment of Cardiff Central Station-a landmark project with genuine complexity and profile worth having on your CV Top-tier client: Join a leading UK multi-disciplinary design and engineering consultancy (top 5 AJ100 practice) with real depth across rail, structures, and building services True collaboration: Work in a balanced team environment with architects, technologists, engineers, and rail specialists-not siloed drawing production 12-month contract: Solid duration with a reputable client, inside IR35, office-based in Cardiff The Project You'll be working on the technical design and construction stages of Cardiff Central Station's extension and refurbishment. This is RIBA Stage 4 delivery and beyond-producing architectural drawings, schedules, and specifications for a...

Dryliners – Cardiff Pro Staff Construction Ltd are working with a construction contractor who are looking to take on 2 experienced Dryliners for a project in Cardiff. Location: Cardiff Duration: Approx. 10 weeks Start: Immediate Rate: Negotiable (depending on experience) Requirements: Valid CSCS Card (essential) IPAF ticket preferred Previous Drylining experience If you’re available and interested, please apply now or contact Pro Staff Construction Ltd for more information

SHEQ Advisor (Safety, Health, Environmental & Quality) Location: Cardiff, Salary: £35,000–£38,000 per annum Role Overview A proactive and knowledgeable SHEQ Advisor is required to support the development, implementation, and continuous improvement of Safety, Health, Environmental, and Quality standards across the organisation. This role is central to promoting a strong safety culture, ensuring compliance with legislation, and driving best practice throughout all operations. Key Responsibilities Safety, Health, Environmental & Quality Compliance Conduct regular site audits and inspections to ensure adherence to SHEQ standards. Carry out Preventative Safety Observation Tasks (PSOT) to identify and reduce potential risks. Manage the Hazard Notification Card (HNC) process, ensuring hazards are logged, investigated, and resolved. Support the preparation, review, and maintenance of site-specific risk assessments. Coordinate accident and incident investigations, ensuring...

We are recruiting a Trainee Site Supervisor for a long-term freelance role on a commercial construction project in the Cardiff area. Minimum 3 years site experience, CSCS Card and practical experience using site operating and reporting systems. This position would suit someone who has come up through site operations and is ready to take the next step into supervision. Role overview You will support the Site Manager with day-to-day site supervision, coordination of trades, and site reporting. The role offers long-term continuity on a live commercial build and the opportunity to develop supervisory experience in a structured environment. Key responsibilities • Assisting with daily site supervision and coordination • Using site operating and reporting systems to record progress, issues, and compliance • Supporting health and safety implementation on site • Liaising with subcontractors and site teams • Maintaining accurate site records and reports Requirements • Previous experience...

An exciting opportunity for a Site Agent to work on a prestigious Rail Project in Cardiff, Wales As a Site Agent you will be working on lineside rail civils and Drainage. Duties will include: Managing Section Engineers and subcontractor management Planning, forecasting and delivering work Liaising with clients and stakeholders Developing programmes, Risk assessments, Quality assurance. Managing design, NCRs, RFI's, H&S etc. Randstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We encourage and welcome applications from all sections of society and are more than happy to discuss reasonable adjustments and/or additional arrangements as required to support your application. Candidates must be eligible to live and work in the UK. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an...