Senior Systems Engineer jobs in Cardiff

Position Title: Electrical Engineer – BESS Salary: £45K - £55K + bonus Location: United Kingdom Your New Employer You’ll be joining a globally respected energy solutions provider at the forefront of utility-scale battery energy storage. With a strong track record in grid-connected projects and an international footprint, the business delivers full turnkey BESS solutions for some of the most...

Join our team as an innovative mechanical engineer specializing in complex system integration and performance modeling across critical infrastructure projects. Responsibilities include the design, analysis, and implementation of thermal management and fluid dynamic systems, ensuring optimal energy efficiency and operational reliability for specialized environments. Candidates must demonstrate...

Contract – 8 Months Inside IR35 Remote – UK Power Systems Consultant (EMT & RMS Studies) The consultant will support power system projects across multiple phases by delivering high-quality electrical studies and technical documentation. Key Responsibilities - Develop and validate EMT and RMS models for assets such as WTGs, PPCs, and STATCOMs. - Plan and execute design and Grid Code...

Join our team as an expert system engineer focusing on seamless technology integration and system lifecycle management. This position involves evaluating and integrating new technologies, ensuring secure data flow across disparate platforms, and developing comprehensive system documentation for internal and external use. Experience with modern cloud environments (e.g., IaaS, PaaS) and...

Job Description Principal / Associate Smart Building Technical Engineer - Building Technology Systems Join to apply for the Principal / Associate Smart Building Technical Engineer - Building Technology Systems role at WSP in the UK & Ireland. What we will be looking for you to demonstrate - A passion for the future of technology in the built environment, and deep curiosity for exploring its...

We are looking for an experienced Big Data Engineer passionate about building and scaling high-throughput, real-time data processing systems. This critical role centers on leveraging distributed computing frameworks, such as the Spark or Hadoop ecosystems, to manage massive, rapidly growing datasets. Key duties involve designing streaming ingestion pipelines, ensuring low-latency data delivery,...

Job Description Role: Senior DevSecOps Engineer Salary: £47,675 - £56,445 Grade: SEO Location: Cardiff (hybrid) The Opportunity Yolk Recruitment are excited to be working with an innovation-driven civil service organisation as they journey through some incredible projects whilst working with one of the first fully cloud-based organizations. This is a senior technical role responsible for...

Job Description Senior Mechanical Project Engineer Water (AMP8 Framework) Location: South Wales Employment Type: Permanent Sector: Water / Utilities / Infrastructure Are you a seasoned Mechanical Project Engineer ready to take the lead on major water infrastructure projects? This is an opportunity to join a high-performing delivery team at the forefront of the AMP8 investment programme,...

You will receive a salary, dependent on experience. Salary is up to £70,000 On top of the salary there are some fantastic extra benefits.

Job Description Project Manager (Security Systems) Cardiff £45,000 - £50,000 + Long-Term Career Prospects + Training + Autonomy + Key Decision Maker + Successful Nationwide Business + Company Vehicle + Fuel Card + Company Benefits Excellent opportunity for a Security Systems Project Manager to work for a successful business, where you'll be a key player in their highly technical installation...

Job Description Senior Building Physics Engineer / Sustainability Engineer Central Cardiff Office + hybrid workingSalary Circa £55,000Looking for your next position in the Sustainability / Building Physics sector?If you would like to work with a building services specific consultancy which can give you a huge insight to the sustainability consulting world, as well as offer you the opportunity...

Senior Mechanical Engineer Salary: From £47,000 (dependant on experience) Duration: Permanent Location: Merthyr/Cardiff area (site visits across Wales) Hybrid Working: Some With over two decades of engineering experience, our Client strives to combine first class engineering and design to deliver the high quality that is required. Our Client maintains a proactive approach, working closely with...

Reports to: Technology Director / Executive Sponsor Location: Remote with occasional travel to London (2 times a month) Contract: Full-time, permanent Base Salary: £70,000 – £80,000 location and experience dependent + 10% company bonus scheme and sales commission scheme Why This Role Exists Serve Legal is entering a new chapter: evolving beyond compliance auditing into AI enabled,...

Senior Rust Engineer UK, fully remote (Must be based in the UK now) Sadly no sponsorship possible Up to £95K Skills: Rust | Backend Systems | gRPC | Postgres | Integrations I’m partnering with an early-stage, product-led startupbuilding a platform for transport operations - frankly, one of the most complex, real-time environments in the world. The team are already profit making with runway...

Senior Full Stack Engineer | Up to £110K | One of the UK's fastest growing AI platforms | UK Remote | React/Node/TypeScript I am currently working with one of the fastest-scaling platforms in the creator economy which is a creator-first, AI-powered product that enables creators around the world to directly monetise their audiences. Every system you build will operate at serious global scale. 🎯...

📍 Remote | Full-Time 👋 About Us Medify is a mission-driven EdTech company widening access to medicine and healthcare careers. Our platform supports thousands of learners preparing for high-stakes admissions exams, and our engineering team plays a critical role in delivering reliable, scalable, and high-quality learning experiences. Medify Engineering is a team of ten engineers across two...

Job Description Senior/Principal Mechanical Engineer Cardiff A leading engineering consultancy is currently seeking a Senior Principal Associate (Mechanical Engineering) to join their established team. This is a senior appointment, offering an office-based role with regular site inspections, ideal for an experienced mechanical engineer looking to operate at associate level with strong client...

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

Job Description Senior Civil Engineer Cardiff Salary up to £60,000 + Benefits I am currently seeking a Senior Civil Engineer with significant experience in the current design of highways and drainage for residential developments, including external levels and plot drainage design. Our client is based in Cardiff, with great accessibility, the office is made up of a friendly and expert team of...

You will be involved in full lifecycle design, including specification, concept generation, detail development, procurement, build, installation and commissioning support.

You will maximise reliability and quality of the production line whilst ensuring conformity with machinery safety regulations.