5 jobs found in Mountain Ash

Hays are now looking for an SC Cleared Software Developer for one of our local clients: £600 p/d Inside IR35 1-2 Days onsite, rest is WFH Location is Cardiff Must hold current SC Clearance You'll join an Agile delivery team, building and supporting secure, high-quality software services used by internal and external users. Working closely with testers, engineers, and researchers, you'll help deliver changes safely while supporting live systems. What You'll Be Doing Building and maintaining user-facing applications and back-end .NET API services Designing and developing secure, well-structured code using modern engineering standards Collaborating with user researchers to deliver user-centred solutions Supporting junior developers through mentoring and guidance Managing releases via CI/CD pipelines and supporting systems in production What We're Looking For Experience developing software across front-end and back-end (.NET APIs) Strong problem-solving skills and the ability to...

Operational Technology Systems Administrator/Analyst - 12 Months Contract- Day Rate £450 - £485 (Inside IR35) - Hybrid (1 Day a week South Wales) The Opportunity Yolk Recruitment Public Sector & Not-for-Profit team has partnered with a very unique nonprofit organisation who are undergoing a significant cyber and infrastructure uplift across their operational technology environment. We're looking for a hands-on System Administrator with a strong focus on security, working across critical national infrastructure. What you'll be doing Supporting a large-scale cyber programme aligned to regulatory standards (E-CAF) Managing and securing core infrastructure across: Windows & Linux servers SQL databases Cisco networks WAN and data centre environments Driving patching, vulnerability management and system hardening best practice Supporting rollout and optimisation of security tooling including EDR and intrusion detection Integrating and maintaining Active Directory and...

R&D Engineer - Lab Filtration Hours per week: 37.5 Site Location: Cardiff Rate: Negotiable (Inside IR35 via Umbrella) Duration: 12 Months Role Summary The R&D Contingent Engineer will provide hands-on mechanical engineering expertise to support the development, validation, and transfer of new and existing lab filtration products. The role focuses on prototype development, design verification, manufacturing readiness, and technical problem-solving in a regulated life sciences environment. Key Responsibilities Provide technical expertise in the development and validation of new and existing products Conduct feasibility studies, design verification, and performance testing Support prototype design, fabrication, and iterative development Lead and contribute to design reviews for new product development (NPD) Develop 2D/3D CAD models using SolidWorks Support manufacturing transfer, process validation, and supplier engagement Prepare technical reports and product...

Would you like to join our leading client who prides themselves on achieving operational excellence? -Do you want to work for one of the World’s most famous Car manufacturers driven by a team of highly competent automotive specialists based in South Wales? -Are you experienced in Materials, Planning and Logistics? If your answer is “yes,” we have the perfect job opportunity for you just here.. The Opportunity  Due to successful project growth, our leading client, a World recognised and respected Automotive OEM Manufacturer based in South Wales, are actively seeking an experienced Material Planner to join their highly successful team with immediate effect on a 3-month rolling on-going Contract basis (Inside IR35). On offer to you, is a competitive, albeit negotiable hourly rate, based on relevant experience. The Role  As the Material Planner, your role is to schedule and control the supply of components/materials to meet immediate production requirements and forward...

Contract Mechanical Shift Engineer South Wales - easy access from most locations Inside IR35 (via Umbrella) 3-6 month initial contract with likely extension Rate DOE Yolk Recruitment are supporting a well established FMCG manufacturer in South Wales with the recruitment of Contract Mechanical Shift Engineers to support their maintenance team on site. These roles are available immediately. You'll join an experienced engineering team on a busy, well invested manufacturing site. The role will involve a mix of planned preventative maintenance, reactive breakdown support and some project work, working on a range of high speed production and packaging equipment. The site has good engineering support and well equipped workshop facilities, allowing the team to carry out a large proportion of work in house. You'll work 12 hour shifts, either 6am-6pm or 6pm-6am, on a rotating pattern of 2-3 days on and off. The rota runs in two week blocks of days followed by two weeks of nights....