Average salary: £69,392 /yearly
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£40k - £70k per annum
Hands on Power Electronics Design Engineer required for novel Power Electronic circuit Design and verification to components. Key skills Power Electronics specialist Schematics Design justification Component selection, (SIC, MOSFETs IGBTs, Diodes, GAN) Layout specification...PrincipalPermanent£60k per annum
...Job Title: Senior / Principal Ecologist Salary: £45,000 - £60,000 dependent on experience and level (Senior typically £45k-£55k; Principal typically £55k-£60k) Location: Reading, Bristol, with opportunities in Warrington and Edinburgh (flexible across...PrincipalPermanentFull-timeFlexible hours£50k - £55k per annum
Develop and implement governance, risk, and compliance strategies in line with organisational goals. Collaborate with accounting and finance teams to ensure regulatory compliance across all operations. Monitor and assess existing GRC processes, identifying areas for improvement...PrincipalPermanent£38k - £85k per annum
Experienced Recruiter required to join Expert Employment, a technical recruitment consultancy. You will have a successful track record of developing leads into accounts, hitting your numbers and developing junior staff. This is a fantastic opportunity to join an exciting...PrincipalLong-term contract- £46k - £62k per annumEstimated...Senior Transport Planner / Principal Transport Planner Job Specification Key Responsibilities You will be involved in the management of internal and external client relationships and the preparation of proposals. You will also guide and review the work of less experienced...PrincipalPermanentFull-time
£40k - £60k per annum
...Job Title: Senior/Principal Sustainability Engineer Location: Oxford / Cambridge Job Type: Permanent Key Responsibilities: - Lead and manage sustainability projects, ensuring compliance with Part L and Part O regulations. - Utilize IES software for building simulation...PrincipalPermanent£52k per annum
...Working in collaboration with internal stakeholders across Engineering, Product Management and Technical Leadership, the Senior/Principal Systems Engineer will: ~ Lead the definition, design, and delivery of product architectures and integrated system solutions across...PrincipalPentenAmio
Tewkesbury, Gloucestershire21 days ago- ...A leading clean energy technology company is hiring a Senior / Principal Systems Engineer to accelerate technical development across next‑generation power systems. You’ll define system requirements, verification strategy and integrate multiple subsystems into complete engineered...PrincipalPermanentFull-time
- £39k - £53k per annumEstimatedBinnies is a leading environmental consultancy looking to grow our water and catchment capabilities to support teams in delivering water projects across the UK. We work across the UK, delivering high-impact projects in the water environment involving science, policy, and management...PrincipalLong-term contract
£40k - £60k per annum
...Shape the Future of Environmental Delivery in Lincolnshire – Senior/Principal Environmental Manager Due to continued growth and an expanding portfolio of work across the Lincolnshire region, RSK Group is seeking a Senior or Principal Environmental Manager to support and lead...PrincipalFor contractorsFlexible hours- £39k - £51k per annumEstimated...My client is seeking a skilled Civil 3D Technician at either Senior or Principal level to join their civil engineering team, which specialises in the design of private infrastructure for logistics and film studio developments. This role requires a robust understanding of...PrincipalPermanentFull-time
- ...A leading clean energy technology company is hiring a Senior / Principal Development Test Engineer to accelerate technical development across next‑generation power systems. If you want to design, build and test real hardware, push boundaries on ammonia-to-power and hydrogen...PrincipalPermanentFull-time
£60k - £100k per annum
Mechanical Engineer - Senior/Principal/Associate - Data Centres Location: Glasgow, United Kingdom Start date: 08 December 2025 Pay rate: £60,000 - £100,000 per annum Job Description: We are currently seeking a highly skilled and experienced Mechanical Engineer to join our team...PrincipalFull-timeSpencer Ogden
Glasgow20 days ago- £42k - £57k per annumEstimatedHaskoning’s independent environmental consultancy is recognised as a leading force in assessing, quantifying and managing the potential effects of offshore wind farms and other major developments, across the UK and beyond. Due to an extensive and growing project portfolio...PrincipalPart-timeFlexible hours
Haskoning
Edinburgh15 days ago - £46k - £60k per annumEstimated...Engineering team based in their Watford office. They are looking for candidates from experienced Project Engineer level through to Principal Engineer. Candidates will need; ·A good level of previous UK private sector experience ·Design of private infrastructure (ideally...PrincipalPermanentFull-timeOn-site
- ...We’re seeking a Senior Principal RF Manager to lead high-speed signal/RF interface design and verification for next-generation optical network platforms. You’ll own end-to-end RF architecture, compliance to OIF CEI specifications, simulation and modelling workflows (HFSS,...PrincipalRelief staff
- £54k - £73k per annumEstimatedTesco UK • Welwyn Garden City / London • Permanent • Apply by 11-Jan-2026PrincipalPermanent
£42.04 per hour
Salary: £42.04 per hour (Inside IR35) Location: LondonPrincipalHourly pay- £72k - £95k per annumEstimatedWe are seeking an exceptional Principal Systems Engineer to join a pioneering team developing next-generation in-space systems. This is an exciting opportunity to contribute to complex space missions, including full spacecraft lifecycle development from concept through prototyping...PrincipalPermanent
£64.46k - £74.9k per annum
For further information about the main responsibilities please view the attached job description and person specification.PrincipalFull-time- £41k - £53k per annumEstimated...Senior or Principal Transport Planning Consultant Positions in Basingstoke or Portsmouth My client is looking for enthusiastic and experienced candidates with mid to senior levels of experience in transport development planning, either in consultancy or a local authority...PrincipalPermanentFull-time
- £53k - £72k per annumEstimated...Principal Scientist - Translational Immunology // Drug Discovery // Oxford You are a lab-based, project leading immunologist, with an expertise in utilising primary human immune cells for cellular assays, looking to drive autoimmune disease drug discovery from target...Principal
£90k - £110k per annum
Salary: £90,000-£110,000 per annum Location: London, England – United Kingdom. UK (Hybrid) with travel to client sitesPrincipalHybrid working- £73k - £98k per annumEstimated...Halian is proud to partner with a leading medical device company based in London in their search for a Principal Systems Engineer. This is a pivotal role within the growing R&D team, driving both new product development and sustaining engineering for life-supporting technologies...PrincipalPermanent
- £58k - £78k per annumEstimatedCompany description: OXB is a quality and innovation-led viral vector CDMO with a mission to enable its clients to deliver life changing therapies to patients around the world. One of the original pioneers in cell and gene therapy, we have more than30years of experience ...PrincipalPermanent
£49k per annum
...This highly regarded pension consulting firm and specialist third party administrator are looking to hire a Principal Pension Administrator to join their Manchester based administration team. About the Role The team provide a full administration service to their clients...Principal- We are looking for a Principal FPGA Design Engineer to lead complex FPGA developments from system requirements through to fully verified hardware. This is a senior, hands-on technical leadership role within a high-performance engineering team. Key Responsibilities Lead...Principal
- ...Principal Commissioning Engineer (EC&I) Main Purpose: The role exists in order to develop and implement site commissioning arrangements across all aspects of site activities (e.g. Installation, Commissioning, Handover) in support of the overall project lifecycle....Principal
- £45k - £59k per annumEstimatedCompany description: Oxford Biomedica is a quality and innovation-led viral vector CDMO that enables its clients to deliver life-changing therapies to patients around the world. One of the original pioneers in cell and gene therapy, Oxford Biomedica has more than 25 years...PrincipalPermanent
£65k per annum
...My client is a leading environmental consultancy with an exciting opportunity for a Senior or Principal Environmental Consultant to join their growing team. This is your chance to play a key role on transformative projects across the energy, water, transport, and property...PrincipalRemoteFlexible hours
