principal infrastructure engineer jobs in Doncaster

Location: Doncaster (Hybrid / Flexible Working) Contract Type: Fixed-term / Contract (until project completion or funding end) Hours:7.5 hours per day Monday to Friday Rate:£50 per hour Ltd and £38.13 PAYE Contract Dates:05/01/2026 until 30/06/2026 About the Role Were seeking an experienced Principal Planner to provide planning and development management expertise for a major Solar Farm...

Remote | Full-time Experience, qualification, and soft skills, have you got everything required to succeed in this opportunity Find out below. 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...

You will define technical strategy, design scalable data systems, mentor senior engineers, and partner closely with product, engineering, analytics, and business leaders to transform strategic goals into robust, data-driven solutions.

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.

You will be a vital part of this evolution, contributing your expertise to our strategy and helping us redefine what services we offer our clients.

You will ensure buildings are designed to minimise fire risks, through contributing to the development of fire strategy reports, calculations and fire risk assessments.

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.

About Intellias Intellias is a European-founded AI, Data and Software Development company with global delivery capability across Europe, India and Latin America. For more than 20 years, we've empowered our customers to embrace innovation at scale and contributed to the success of the world's leading brands. The company is featured in the Inc 5,000 Europe and IAOP Global Outsourcing...

We are a leading provider of pharmacovigilance analytics software for the pharmaceutical industry, delivering innovative, data-driven solutions that help clients enhance drug safety, regulatory compliance, and operational efficiency. We are seeking a Consulting Technology Project Manager to manage client implementation projects for our Pharmacovigilance SaaS solutions. The ideal candidate...

VMware Engineer - 3rd Line / Server / Infrastructure - veeam / backup Doncaster / Hybrid Can you take true ownership of our core Virtual infrastructure and DR platforms? If you enjoy being the technical authority, shaping designs, improving systems, and making sure everything runs smoothly, this role will be right up your street. You'll analyse requirements, design future-proof solutions,...

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...

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. 🎯...

Fire & Security PPM Engineer - Mon - Fri Excellent salary and benefits. Various locations across the UK. About us G4S is a global company operating across 120 countries, employing over 650,000 people across the world. You can find more about us here; https://www.g4s.com/en-gb We are at the forefront of the fire and security integrator market in the UK and have an enviable reputation for...

Principal Grafana Network Analytics Engineer Edinburgh, UK | Fully Remote (UK-based) Engineering | Cyber Security £95,000 & Benefits Ever wanted your dashboards to actually defend the internet? This role does exactly that. I’m recruiting on behalf of a high-growth cyber security technology company that protects some of the world’s most critical online services from large-scale DDoS and...

Position: Industrial Refrigeration Design Engineer Contract: Permanent, Full Time Location: Remote - Based anywhere in the UK (Head office is based in Leicestershire) Salary: circa £75K plus company car or cash allowance & benefits & performance bonus Industry: Industrial Cooling & Refrigeration PRS Engineering has engaged with a key client and a leading Industrial Cooling & Refrigeration...

You will also appraise tender documents, produce bills of quantities (BOQ's), look into risk & value management, prepare budgets, estimates & costing plans. Producing accurate & competitive tender bids, to continue business growth. Estimator duties to include: - Handling multiple projects including civil engineering, groundworks, oversites (concrete layers) & building works

You will own the engineering vision and execution of Keepnet’s core platform, operating across the UK, EU, US, UAE, and Canada, supported by distributed offshore and nearshore teams.

You will not be expected to do everything yourself. Success in this role will be measured by platform reliability, delivery predictability, team health, and customer impact.

Senior HV Plant Engineer Location: Remote, UK Wide Salary: up to £75,000 (based on experience) Position: Permanent Turner Lovell are working with a leading UK utility infrastructure contractor to find a Senior HV Plant Engineer who will play a role in delivering and overseeing primary plant designs for National Grid and other transmission and distribution substation projects across the UK...

Join OCI’s Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You’ll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI’s global edge. This role requires deep expertise in Linux networking data path and...

The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security...