28,766 jobs found

Principal Firmware Engineer (FPGA) 1701 Location: Edinburgh (primarily onsite, with limited remote working) Duration: 12 Months (Inside IR35) Rate: £70 per hour Umbrella We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance. Overview An opportunity has arisen for a Principal Firmware Engineer to join a multidisciplinary engineering team developing advanced FPGA and firmware solutions for complex, high-performance electronic systems. The role ...

Principal Firmware Engineer (FPGA) - 1701 Location: Edinburgh (primarily onsite, with limited remote working) Duration: 12 Months (Inside IR35) Rate: £70 per hour Umbrella We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance click apply for full job details

Principal Infrastructure Engineer +6 months + +DV cleared role - current active clearance is essential +Inside IR35 + 700 - 725 a day +On site in Yeovil We are seeking an experienced Principal Infrastructure Engineer to lead complex infrastructure projects and drive innovation within our organisation. This role offers a unique opportunity to shape the future of our technical architecture while collaborating with cross-functional teams to deliver scalable and reliable infrastructure solutions. Key Responsibilities: ...

Principal Platform Engineer (CyberArk/PAM) Active DV Clearance Highly Preferred, Lapsed DV Considered UKEO 6 Month Contract Initially £100/hour Umbrella Fully Onsite in Yeovil (compressed hours considered) We're recruiting for an experienced Principal Platform Engineer to join a high-profile defence programme, providing specialist expertise across Privileged Access Management (PAM) within a click apply for full job details

Principal Platform Engineer (CyberArk/PAM) Active DV Clearance Highly Preferred, Lapsed DV Considered UKEO 6 Month Contract Initially £100/hour Umbrella Fully Onsite in Yeovil (compressed hours considered) We're recruiting for an experienced Principal Platform Engineer to join a high-profile defence programme, providing specialist expertise across Privileged Access Management (PAM) within a click apply for full job details

Principal Platform Engineer (CyberArk/PAM) Active DV Clearance Highly Preferred, Lapsed DV Considered UKEO 6 Month Contract Initially £100/hour Umbrella Fully Onsite in Yeovil (compressed hours considered) We're recruiting for an experienced Principal Platform Engineer to join a high-profile defence programme, providing specialist expertise across Privileged Access Management (PAM) within a secure enterprise environment. This role is suited to someone with strong CyberArk and enterprise platform experience who enjoys solving complex technical challenges, influencing solution design and acting as the subject matter expert withi ...

Principal Management/ Financial Accountant covering dedicated schools grant and maintained schools for Wakefield You will assist Group Finance Managers in developing the Council's forward-looking Medium Term Financial Strategy. Having regard to estimates of future government funding and other income and cost pressures resulting from demand for council services, inflationary or legislative changes click apply for full job details

Principal Marketing Analyst, Crawley; 9-month contract; Inside IR35 We currently have a requirement for a Principal Marketing Analyst based in Crawley working for an aerospace and defence client .This role will be responsible for providing analysis and insight of markets and competitors relating to the Integrated Airspace Protection (IAS) business winning activity and offer development. The business winning component of the role is significant and entails the provision of black hat, value prop, ...

Principal Mechanical Engineer Location: Remote (occasional travel to local office: London, Manchester, Newcastle, Glasgow) 6 Month rolling contract 65 per hour Umbrella - Inside IR35 only Overview ARM is recruiting for an experienced Mechanical Engineer to support a growing Energy Transition team delivering some of the UK's most innovative low- and zero-carbon energy projects. The Role As a senior member of the engineering team, you will lead mechanical engineering activities from early-stage feasibility studies through to det ...

Job Role: Senior Revit Technician Rate: 40-45p/h inside IR35 Location: Remote working Duration: 12-month contract Our client is looking for a talented and motivated Revit Technician to join their multi-disciplinary design team, as part of a growing and dynamic department providing detailed designs for water related projects in the UK. About the role: By working on landmark projects and schemes of all shapes and sizes to help their clients tackle climate change and improve the UK's nature water resource, you will have the opportunity to develop ...

Principal Mechanical Engineer Warrington (Hybrid - 3 Days On Site) 56-61 per hour Inside IR35 Are you an experienced Principal Mechanical Engineer looking to play a key role on one of the UK's most complex engineering programmes? We're seeking an innovative engineer to join a specialist design team supporting the development of bespoke tooling and equipment for critical plant operations. This is an opportunity to lead technical delivery from concept through to deployment while managing a small team of engineers and designers. The Opportunity Working within a m ...

Principal Mechanical Engineer Shape the Future of Our Cities and Environments Our client is seeking an experienced and dynamic Principal Mechanical Engineer to join their Design & Advanced Technology (D&AT) team. As part of a talented, multi-disciplinary group, you will be at the forefront of delivering innovative and iconic projects within the Water market. This is an opportunity to work on cutting-edge engineering projects that have a global impact, contributing to critical UK infrastructure ...

Principal Mechanical Engineer Shape the Future of Our Cities and Environments Our client is seeking an experienced and dynamic Principal Mechanical Engineer to join their Design & Advanced Technology (D&AT) team. As part of a talented, multi-disciplinary group, you will be at the forefront of delivering innovative and iconic projects within the Water market. This is an opportunity to work on cutting-edge engineering projects that have a global impact, contributing to critical UK infrastructure ...

The OpportunityPWHytek Ltd are currently recruiting for a Principal Nuclear Safety Engineer to support a major programme of work within the nuclear sector.This is an excellent opportunity to join a high-profile programme, providing specialist nuclear safety expertise across complex and highly regulated projects. The role is primarily remote, with occasional site visits required, offering flexibility while contributing to critical national infrastructure.The RoleAs a Principal Nuclear Safety Engi ...

Principal Officer (Child Protection Chair) Location: Birmingham, West Midlands Rate: 286.37 per day (Umbrella) Contract: Temporary/Agency Contract Sector: Children's Social Care Are you an experienced social work professional with a strong background in child protection and conference chairing? We are recruiting for a Principal Officer (Child Protection Chair) to join a dedicated safeguarding service in Birmingham, West Midlands. This is an excellent opportunity for a highly skilled practitioner to play a pivotal role in safegu ...

Principal Operational Highway Engineer Overview: Our client in the North East is seeking an experienced Principal Highways Engineer to lead the operational delivery of highways maintenance and civil engineering services. This position plays a key role in managing day-to-day operational activity, ensuring highway networks are safely maintained, efficiently managed, and delivered to industry best practice. You will oversee maintenance programmes, manage budgets, coordinate inspections, support service improvements, and act as a senior point of co ...

Principal Planning Officer/Team Leader (Development Management) North West Around £60 per hour (Negotiable) 12 month contract My client is looking to source an experienced, qualified Town Planner to provide temporary maternity cover. The role involves managing a Development Management team, overseeing complex planning applications, and ensuring high-quality delivery across the borough. Key experience required: RTPI-recognised degree in Town Planning and Corporate membership Significant experien ...

Principal Pipeline Engineer Location: Remote - occasional travel to your local office (London, Manchester, Newcastle, Glasgow) 6-month rolling contract 65 per hour Umbrella - Inside IR35 only ARM is recruiting for an experienced Principal Pipeline Engineer to support major projects across the power generation, utilities, oil & gas, and process industries sectors. You'll lead pipeline engineering activities across projects involving: Natural gas transmission Hydrogen infrastructure CO2 pipelines ...

Location: Remote (Occasional travel to Manchester, London, Newcastle & Glasgow) IR35 Status: Inside IR35 The Opportunity We are currently seeking an experienced Principal Pipeline Engineer to join a rapidly growing Energy Transition team supporting the design and delivery of cutting-edge low-carbon infrastructure projects across the UK. This is an exciting opportunity to play a leading technical role on nationally significant projects focused on the future of the UK energy sector, including ...

Principal Planning Officer - Development Management Hybrid Working (flexible office attendance) £50-55 p/h (guide rate) 3 Month Rolling Contract Job Ref - 65639 An opportunity for an experienced Principal Planning Officer in Development Management to shape and influence the future growth of the Council's area by managing high-profile and complex residential and commercial development schemes. The role involves providing expert advice to Members and stakeholders, mentoring junior officers, and contributing to strategic growth initiatives. Ke ...

Oyster is working with a local authority in the South East that is looking for an experienced Principal Planning Officer to support on a key plan-making and planning policy project. This is a 6-month temporary opportunity, suited to someone who can start at short notice and bring strong experience in Local Plan preparation, evidence base review, policy drafting and member engagement. The role is offered on a hybrid basis, with an expectation of 1 day per week in the office. The role will involve: You ll be supporting complex work relating to the preparation of the Local Plan, including reviewing evidence base d ...

Principal Planning Officer Surrey £55+ per hour (DOE) Inside IR35 3 months Initially + view to extend JOB REF - 67561 You will be mainly working from home, with the exception of site visits and key meetings. The office location can be discussed upon application to the role. Office presence is flexible for the right candidate but ideally will be able to attend the office once a week This newly created role is because of an increase in workload due to continued development in the local area with ...

I am currently working with a Local Authority in the South of England who are looking for at least 2 Principal Planning Officers on an initial 6 month interim basis. The Role Manage a varied caseload of planning applications, including householder, minor, small major and complex strategic developments. Assess planning applications against local and national planning policy. Deal with highly controversial, politically sensitive and complex planning applications. Support the Council on a range of major developmen ...

A local authority in Oxfordshire is looking to appoint an experienced Principal Planning Officer to represent the council at an upcoming Planning Appeal Inquiry relating to logistics development proposals. This will be a 6-7 month contract, commencing ASAP, running until early October. The Role They are looking for a Principal Planning Officer to: Represent the council at a planning appeal inquiry Prepare and present professional planning evidence Attend and participate in a public inquiry setting Give evidence and respond to cross-examination Support preparation work ahead of ...

Principal Planning Officer South West £55 per hour 3 months Initially You will be mainly working from home, with the exception of site visits and key meetings. The office location can be discussed upon application to the role. Office presence is flexible for the right candidate. This newly created role is because of an increase in workload due to continued development in the local area with the main focus on town centre regeneration. The local authority is looking to bring in an experienced pla ...

Principal Platform Engineer - Ref: 1733 Initial contract until 27/12/26 98.82ph, UMB, inside IR35 Yeovil - Full time onsite Please note, DV clearance is required for this positon and the programme will have "UK Eyes Only" restrictions. Your Impact Are you ready to take on complex technical challenges at the forefront of cyber and platform engineering? At Leonardo, our Principal Platform Engineers are hands-on experts who shape the design, integration, and delivery of secure platforms that keep our customers' missions running. Your work at Leonardo UK will see y ...

Overview The role requires the services of a Principal Process Engineer with extensive knowledge and experience in the design of onshore Gas Processing Facilities to lead the process team working on an allocated engineering design project. Part time attendance at the Clients Aberdeen Offices will be necessary. The role reports to the Process Discipline Manager and the Project Engineering Manager and is supported by the discipline Technical Authority. Duties To lead a team of process engineers o ...

Principal Process Engineer (Contract) Manchester, Leeds or Chester Hybrid Working We are seeking an experienced Principal Process Engineer to support the delivery of major water sector projects across the UK. This is an excellent opportunity to join a leading engineering team working on wastewater treatment, clean water treatment and sludge processing schemes. Key Responsibilities Deliver process engineering designs for water and wastewater treatment projects. Produce and review P&IDs, Control Philosophies and equipment sizing calculations. Undertake feasibility studies, risk a ...

Our client, a leader in the energy sector, is currently seeking a Principal Process Engineer to join their team on a contract basis. This exciting opportunity focuses on the development of innovative, low-carbon process designs within the energy transition space. As part of a large multidisciplinary engineering group, you will oversee the design and delivery of process plants for various energy projects, including carbon capture schemes, hydrogen generation, gas networks, energy from waste plan ...

Principal Protection & Control Engineer - Transmission & Substations Contract (Outside IR35) 86-90 per hour Glasgow (Hybrid / Site Visits) Immediate Start RESPONSIBILITIES: Lead protection & control design for high-voltage substation and transmission projects. Approve protection schemes, relay settings, and technical designs. Review and sign off detailed substation protection packages (up to 400kV). Carry out protection coordination and fault level studies. Review vendor documents, specificatio ...