18 of 18 Contract Principal Engineer Jobs in the UK

Principal Systems Engineer – Modelling/Architecture Barrow-in-Furness, Cumbria (or alternatively Filton, Bristol or Broad Oak, Portsmouth if desirable) – hybrid working 2 days onsite each fortnight – 12 month contract duration – Pay rate £58 p/h PAYE basic (£66.43 p/h including holiday pay) or £78.33 …/h Umbrella The Principal Engineer - Systems (Modelling) will be able to apply their subject matter expertise and domain experience to support submarine programmes through the formalised application of modelling to support system requirements, design, analysis, verification and validation activities beginning in the Strategy and/or Concept ...

Principal Engineer Duration: 6 months + Location- Knutsford, South Manchester (on-site 2-3 days per week) UMBRELLA ONLY Our client, a leading banking institution, is hiring a hands-on Principal Engineer to drive a strategic technology transformation. This role is perfect for an experienced backend … engineer with deep expertise in workflow orchestration platforms like Camunda and/or Temporal.io, and a passion for building resilient, scalable enterprise systems. What you'll be doing: * Lead technical evaluation and comparison of Camunda vs Temporal.io * Design scalable patterns and reference architectures for enterprise workflow orchestration * Drive modern ...

Principal Data Engineer (Contract) Outside IR35 Principal Data Engineer £650 per day | Outside IR35 | 3 Month Contract | Remote UK (Very occasional travel to Leeds if you can) Brio Digital are working with a major UK organisation embarking on a strategic data transformation project to modernise … cross-functional delivery team alongside Solution Architects, Technical Analysts, Project Managers, and Data specialists, taking ownership of the platform's technical design and engineering. Principal Data Engineer Responsibilities: * Design and build a cloud-native AWS data platform * Lead technical delivery of the MVP * Build scalable serverless data pipelines ...

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 ...

Principal Control & Instrumentation Engineer Nuclear Sector | FEED Project | Leading Engineering Consultancy | Hybrid | Long-term Contract | Outside IR35 | Competitive Rate The Opportunity We're recruiting a Principal Control & Instrumentation Engineer to deliver key design elements on an exciting Front End Engineering Design (FEED) project in the nuclear … maintain strong client relationships About You Essential Qualifications & Experience Degree in relevant engineering discipline (ideally 2:1 or better) or equivalent professional experience Chartered Engineer (CEng) or Incorporated Engineer (IEng) status with a relevant professional body Valid safety passport or equivalent industry qualification Minimum 12+ years ...

Title: DV Cleared Principal Engineer Location: Malvern 5 days due to system security purposes Duration: 6 months with possible extension Rate: Market rates Must be willing and eligible to go through the DV Clearance process Our Client is hiring for a reputed client where you'll help deliver … documentation updates throughout project reviews Clear, professional communication during transition/handover to operational teams Additional information: This role suits a Compute and Storage engineer; many tasks can be completed by this specialist skillset. If Splunk skills aren't a perfect match, support can be provided to supervise ...

Principal RF Engineer Southampton (or alternatively Bristol) – 6 month duration – Pay rate £74.07 p/h Umbrella or £54.33 p/h PAYE (£62.23 p/h including holiday pay) We are recruiting for an Engineer with microwave engineering knowledge, who is familiar with working on complex ...

Principal Firmware Engineer Luton 12-month contract Paying up to 85p/h (Inside IR35) Please Note - Due to the nature of the work you ll be required to be eligible to obtain a high level of UK Security Clearance Responsibilities : Design tools such as Xilinx, TCL, Verilog ...

Principal RF Engineer HWIL/RF Test & Simulation Stevenage | £65£75 per hour | Long-term contract Were supporting a leading UK defence organisation looking to bring in a Principal RF Engineer to join their specialist Hardware-in-the-Loop (HWIL) team. This is a hands ...

Principal/Lead Hardware Engineer Location: Luton, Bedfordshire (LU1) Duration: 12 Months Onsite: 90% onsite Rate: £95.44ph UMBRELLA Security: We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance. The Opportunity We're looking … experienced Principal/Lead Hardware Engineer to join a major defence programme developing advanced electronic systems for air, land and maritime platforms. This is a fantastic opportunity to work on complex FPGA and processor-based hardware, contributing throughout the full product lifecycle—from requirements capture and architecture through ...

Principal Data Engineer - Secure Digital Platform (SDP) Data and Integration Location: Reading (hybrid working) Duration: Initially Until Feb '27 - but very likely to extend (new programme) (Inside IR35) Active SC Clearance Required Role details: We are looking for SC cleared Data Engineers to support our defence client … Enterprise Architecture experience. Experience leading large-scale data modernisation programmes. Knowledge of defence security standards and classified environments. If you are a talented Data Engineer ready to take on a critical role in a dynamic and challenging environment, we would love to hear from you. Apply now to join ...

Senior/Principal Safety Engineer Defence Land Systems - Contract Location: Abbey Wood, Bristol (Hybrid Working) Duration: Initial contract to September 2026 with further extensions Rate: £600-£650 per day (Inside IR35) Join ISE on a High-Profile Defence Programme Infinity Systems Engineering (ISE) is seeking an experienced Senior … Safety Engineer to support a major UK defence land systems programme. This role offers the opportunity to influence the safety assurance of operational military capability, working directly with MOD stakeholders, senior military personnel, equipment suppliers and engineering teams. You will be involved in safety management, hazard analysis, safety case ...

Contract Firmware Engineer (FPGA) – Luton - 1756 Location: Luton (90% onsite) Rate: £84.81/hour Umbrella Duration: 12 months 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 for an experienced Firmware … Engineer to support the development of complex FPGA-based digital systems within a multidisciplinary engineering team. The role involves designing, implementing and verifying firmware solutions for high-performance, safety-critical applications. Key Responsibilities Design, develop and verify FPGA firmware for complex digital systems. Derive firmware requirements and architectures from ...

Initial - with intention to extend Payment Terms: Monthly Our client is a FTSE100 Wealth/Asset Management firm seeking to engage a Lead SRE Engineer (Observability SME) to support the implementation and instrumentation of their new Observability solution. This role will be critical in delivering against our Digital OKRs ...

Control Systems Engineer We are seeking an experienced C&I Engineer with a strong systems-engineering background to support major projects across the energy sector, including power generation, CCGT, utilities, oil & gas, and process industries. This role is ideal for an engineer who thrives in technically demanding ...

Contract Firmware Engineer (FPGA) - Luton - 1756 Location: Luton (90% onsite) Rate: £84.81/hour Umbrella Duration: 12 months 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 ...

Initial - with intention to extend Payment Terms: Monthly Our client is a FTSE100 Wealth/Asset Management firm seeking to engage a Lead SRE Engineer (Observability SME) to support the implementation and ins click apply for full job details ...

A key delivery will be sustainable capability uplift including documentation of configurations, processes, playbooks, operational procedures, and improvements. Proactively identify and escalate risks, issues, assumptions, and dependencies relating to cyber security, supporting mitigation planning where ...