principal mechanical engineer jobs in Woking

You will be developing revolutionary machinery designed to transform some of the world’s most energy‑intensive industries. The team’s mission is bold: enable deep decarbonisation across petrochemicals, chemicals, iron and steel, and cement by replacing traditional fossil‑fuel‑based processes with breakthrough rotating technology.

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.

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 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 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.

Senior or Principal Electrical Engineer Scope of Work: The Electrical Engineer will be responsible for the execution of project work, in accordance with the Discipline Design Instructions, including Company and / or Project Procedures on Safety and Quality Control, within the man - hour, cost budgets and the project schedule targets. Key Requirements: The Electrical Engineer will develop the...

You will take responsibility for the delivery of mechanical designs—particularly air conditioning and ventilation systems—while managing engineers and coordinating closely with project delivery teams.

You will be involved from initial concept through to final installation, ensuring designs are technically robust, commercially viable, and delivered in line with programme requirements.

Mechanical Design Engineer (x3) – Aircraft Airframe Structures – Outside IR35 – £35–£55/hr – 3 Month Contract Mechanical Design Engineer – Aircraft Structures (x3) Contract | Outside IR35 | Hybrid / Fully Remote (UK-based) Rate: £35–£55 per hour (DOE) Duration: Initial 3 months (rolling) Start: Immediate Location: UK-based (company HQ in Buckinghamshire) Overview We are supporting an...

ATEX Ex d (Flameproof) Specialist – OUTSIDE IR35 High Day Rate | Remote Working Life-Saving Product | Consumer & Commercial (Non-Defence) We're looking to engage an experienced ATEX Ex d (flameproof) explosion protection specialist to support the development of a consumer and commercial (non-defence) product that is used to help save lives. The work is focused specifically on Ex d flameproof...

You will be a proven senior who still loves to code, enjoys taking ownership of front-end decisions, and wants to play a key role in shaping both our technology and the people around you. This is a chance to make a real impact across multiple products and help influence our engineering direction as we continue to grow.

Our client is looking for a Senior Rotating Equipment Engineer to support activities in the Mechanical designs for FEED’s and EPC projects. The Senior Mechanical Rotating Engineer is typically accountable to the Lead Engineer. The corporate reporting line is to respective Departmental/Group Manager. We are seeking high caliber people for this key Engineering role that have talent, enthusiasm,...

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...

Mechanical Fitter – High Voltage Projects (UK travel) Permanent | OTE up to £60k + profit share We’re working with a well-established, 100% employee-owned Tier 1 high-voltage contractor that’s busy and growing fast. They need an experienced Mechanical Fitter to join their HV installation teams on major substation, renewable and grid projects up to 132 kV. What you’ll actually be doing -...

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...

Job Description Principal Electrical Package EngineerLocation: WokingContract Duration: 6 months +Start Date: February 2026Role OverviewSeeking an experienced Principal Electrical Package Engineer to provide technical leadership across key electrical equipment packages during FEED and EPC phases. The role is responsible for full technical ownership of assigned packages, ensuring compliance with...

Kent is looking for a Principal Electrical Engineer to work at the Woking office for a duration of 6 months initially. Scope of Work: The Principal Electrical Engineer will be responsible for the execution of project work, in accordance with the Discipline Design Instructions, including Company and / or Project Procedures on Safety and Quality Control, within the man - hour, cost budgets and...

You will be responsible for all activities related to turbine design and interface with turbine OEM in offshore wind. How can you support us? Here below your responsibilities: - Building and verification of aeroelastic model of the turbine - As the Principal WTG Engineer, you will manage the turbine controller tuning and development

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...

A leading engineering firm in the UK seeks a Senior or Principal Electrical Engineer to execute project work and develop engineering deliverables. The role requires collaborating with teams to ensure project standards are met while managing timelines and costs. Ideal candidates should have experience in electrical design, project management, and strong communication skills. The company embraces...

About the job: Kent is looking for a Principal Civil Structural Engineer who will be responsible for leading and coordinating the production of engineering deliverables and providing progress reporting for a project in accordance with the project plan. Typically supervises a team of civil/ structural engineers to address all discipline specific requirements within the project. In addition, has...