refinery process engineer jobs in Doncaster

You will play a key role in delivering the site Asset Care plan, supporting safe systems of work, and driving high standards across people, plant and processes.

Job Description Role: Mechanical Maintenance Engineer / Fitter – Wednesday and Thursday Days (6am to 6pm) and Friday and Saturday Nights (6pm to 6am) Salary: £48000 - £52000 per annum, plus overtime paid at x1.5 and x2.0, benefits & growth opportunities Working Hours: Wednesday and Thursday Days (6am to 6pm) and Friday and Saturday Nights (6pm to 6am) Location: Commutable from Doncaster,...

Role: Principal Electrical Engineer Location: Devonport(Hybrid role requiring onsite presence 2 days/month) Duration: 2 years Inside IR35: Umbrella About our Client: Our client in Devonport is a leading engineering and maritime organisation specialising in the maintenance, repair, and overhaul of naval vessels. The site operates with a skilled workforce across mechanical, electrical, and...

Location: Fully Remote UK, Ireland, Portugal Package: £90k – £130k + High Equity + Solid Benefits The Stack: Python (FastAPI), Go, TypeScript, Next.js, GCP, Temporal The Mission: Fixing the "Plumbing" of Healthcare Healthcare data is a mess of fragmented lab results, wearable pings, and antiquated doctor-patient silos. This company is building the API-first infrastructure layer that makes...

You will design, develop, and maintain our platform’s backend infrastructure, focusing on multi-tenant architectures, security, and efficient LLM integration. This role requires a strong understanding of Python web frameworks, cloud services (particularly AWS), and modern AI approaches including working with agentic architecture.

Database Engineer (PostgreSQL & Python) - MUST BE BASED IN THE UK - Opportunity for a Database Engineer (Junior/Mid/Senior) to join a remote-first, UK-headquartered technology business - Competitive salary between £45,000 - £70,000 + excellent benefits including remote working, autonomy, and the chance to work on an Educational AI platform - Apply online or contact Chelsea Hackett via...

On a mission to help people who have been diagnosed with chronic kidney disease, this start-up are looking to bring on a Senior TypeScript Developer, who’s fully embraced AI-assisted development. Their mission is to make life better for people suffering from kidney disease by building one of the first algorithm-based behavioural change programmes. The application that does this brings together...

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

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...

You will work closely with design and algorithm teams to validate signal-processing functionality and ensure high-quality silicon. Key Responsibilities: - Lead verification of RF/DSP signal-chain blocks using UVM - Develop and maintain UVM testbenches and integrate VIPs - Verify DSP algorithms such as FFT, FIR filters, and channelizers

You will also manage the technical service escalation queries and processes via online and system portals

You will become a vital member of the technical service team to ensure that technical customer service care is high quality for all local business partners and end customers

PME Engineer – Building Management Systems (BMS) Ireland - Hybrid Working Salary - €50,000 - €60,000 + Package + Bonus About the Role A leading engineering organization is seeking a PME Engineer with strong Building Management Systems (BMS) experience to support the design, implementation, and optimization of building and utility control systems. This role plays a key part in ensuring safe,...

Founding Sales Engineer High-Growth Cyber Security Startup 📍 Location: United Kingdom (Remote) 💰 Compensation: £80,000 - £85,000 Base, + Bonus (Uncapped) + Strong Equity We’re hiring a Founding Sales Engineer to join a rapidly growing cybersecurity organisation and play a critical role in how customers evaluate, adopt, and succeed with a modern security platform. This role sits at the...

📍 Remote | Full-time 👋 Overview We’re looking for a pragmatic Full Stack Engineer who can lead the evolution of our infrastructure while keeping systems simple, reliable, and maintainable. This is a remote role for someone who enjoys owning infrastructure decisions without stepping away from hands-on product development. Medify Engineering is a team of ten engineers across two teams, and...

Imagine working for one of the world’s biggest tech companies with the luxury of working from home. For a PDK Engineer, this is such an opportunity – we’re looking for an experienced PDK (Process Design Kit) Engineer to be based anywhere in the UK and help build the silicon team for one of the world’s greatest innovators. Working with one of the world’s most reputed silicon teams, the PDK...

Vice President of Engineering Location: Remote (Ideally need to be based in the UK) Salary: £140,000–170,000 base + equity + benefits About the Company Join a Series A–funded digital asset risk-management platform backed by Microsoft, Coinbase, Samsung, Nyca, and Neotribe. With $22M raised and three years of financial runway, the company powers real-time risk monitoring, analytics, and...

You will shape how our engineers build, test, release, and monitor software, ensuring frictionless workflows while keeping ownership of business logic, test quality, and development practices firmly with the product engineering teams.

About us Halon is an email security and infrastructure company, driving innovation in secure and dynamic email operations for service providers and enterprises worldwide. Trusted by the most innovative enterprises across the globe, Halon offers email solutions that are easy to modify, configure, and run. With a proven track record across six continents and an industry-leading NPS of 75, Halon...

AvetixCyber is delighted to be partnering with a scaling cybersecurity vendor with their expansion throughout EMEA and APAC. They're looking to hire an experienced Sales Engineering Leader to build, implement, and lead a best-in-class Sales Engineering strategy across the EMEA region. This role will be responsible for developing a high-performing regional SE function that partners closely with...

Senior Python Scraping Engineer Location: Fully remote Salary: £60,000 – £70,000 The Opportunity I'm looking for a Python Scraping Engineer to join a growing AI-focused data team. What You’ll Do - Design, build, and maintain large-scale production web scrapers - Tackle advanced anti-bot and detection systems - Work with browser automation and dynamic, JavaScript-heavy sites - Improve...