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Contractor 46
Inside IR35 development engineer

46 development engineer jobs found

CL
Mar 22, 2026  
Principal Firmware Engineer
Principal Firmware Engineer Edinburgh 12-month contract Paying up to £75p/h (inside IR35) The Opportunity We are seeking a Senior or Principal Firmware Engineer to join a high-performing engineering team delivering advanced digital systems within the Aerospace, Defence, and Security sector. At Senior or Principal level, you will also provide technical leadership, supporting the delivery of work across multiple engineers while contributing to process improvement and best practice development across FPGA/Firmware teams. Key Responsibilities Design and develop innovative VHDL-based FPGA architectures Apply advanced verification techniques using VHDL or SystemVerilog / UVM Work with currentFPGA technologies from: Xilinx Intel (Altera) Microsemi (semiconductor manufacturer) Develop and integrate high-speed interfaces, including PCIe, DDR3, Ethernet and JESD Analyse system-level documentation to derive detailed firmware requirements Adopt a structured, methodical approach to...
IR35 Status:
Inside IR35

CV-Library Edinburgh, UK Contractor
CL
Mar 22, 2026  
Java Software Engineer II
Software Engineer II Hybrid: Manchester (1 day a week) Inside IR35: £500 Duration: 6 months Tech Stack: Java / Spring Boot, SQL Server, AWS, Kubernetes, CI/CD. Node.js/Python and SSIS experience is a bonus. A technology‑driven team is seeking an experienced Software Engineer II to support the design, build and operation of backend services within a financial data environment. This role is ideal for someone who values strong engineering practices, autonomy, and cross‑functional collaboration. You will help develop and operate backend systems that deliver accurate, timely financial data to critical enterprise processes. The role includes hands-on development, production support, and ensuring compliance with key regulatory frameworks such as SOX and GDPR/PII. Java / Spring Boot Python & Node.js Microsoft SQL Server, SQL optimisation SSIS (bonus) AWS Kubernetes, Docker CI/CD tooling Infrastructure as Code (TypeScript, AWS CDK) Exposure to Apache Spark is a plusIf this sounds...
IR35 Status:
Inside IR35

CV-Library Manchester, Greater Manchester Contractor
CL
Mar 21, 2026  
Electrical Design Engineer
Electrical Design Engineer Initial 12 Month Contract 2-3 days per week on site Samlesbury, Lancashire £47.12 Per Hour (Umbrella Rate - Inside IR35) The Role * Working closely with other engineering disciplines and functions, supplier and customer areas, fostering a team-working and collaborative product development environment. * Producing and issuing Airframe engineering design data to meet project requirements, in line with design standards, whilst maintaining quality, cost and schedule adherence. * Identifying project technical risks and opportunities, and where appropriate propose mitigation plans. * Evaluating and resolving design queries, and supporting the generation of resulting modifications and changes. * Supporting the definition and resource planning of design workload delivery. The Candidate * Proficiency in a CAD system, typically CATIA V5 or equivalent toolset, with experience in a PLM system. * Experience of working in a multidisciplinary integrated product...
IR35 Status:
Inside IR35

CV-Library Blackburn, Lancashire Contractor
CL
Mar 21, 2026  
Control Systems Engineer
Test Technologist - Control Systems Location: Filton (100% on-site) Contract: Until 01/02/2027 (strong possibility of extension) Hours: 35 per week, worked over 4.5 days between 7am-7pm Pay: £58ph Umbrella / £43.36 PAYE Clearance: BPSS + Onboarding Security Checks IR35: Inside of IR35 About the Role Our Client is seeking an experienced Test Technologist to join their world‑class Structures Test organisation. Working within a state-of-the-art aerospace research and test centre, you'll be part of a team performing structural testing on major aerospace programmes and exciting R&D initiatives including hybrid testing technologies and zero‑emissions projects. This role is hands‑on, varied, and ideal for someone with strong control systems experience-particularly with MOOG Control Systems and Aerotest software. Key Responsibilities Operation, maintenance and calibration of servo‑hydraulic control systems. Working across the structural test pyramid from material coupons (level...
IR35 Status:
Inside IR35

CV-Library Filton, Gloucestershire Contractor
CL
Mar 20, 2026  
Azure Cloud Engineer
Azure Cloud Engineer (SC Cleared) London (Hybrid) 6 Month Contract to £550/day-£600/day (Inside IR35) Azure Cloud Infrastructure Engineer needed with active SC Security Clearance, AZURE Terraform code. 6 Month Contract based in Central London (Hybrid). Start ASAP in March 2026. Hybrid Working - 2 days/week remote (WFH), and 3 days/week working on-site from the London office. A chance to work with a leading global IT and Digital transformation business specialising in Government projects: Experienced Azure Cloud Engineer required to support cloud transformation programme. Must have in-depth experienced in AZURE Terraform code, GitHub Actions, implementation of both CI/CD.                                                                                          Hands-on experience in Software Development. Experience implementing or maintaining a CI/CD pipeline using Github Actions, Terraform, and Azure. Good working knowledge of PowerShell, SQL of the installation and...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Mar 20, 2026  
Environmental Engineer
Job Title: Environmental Manager - Major Infrastructure Location: UK Wide Contract Type: Contract (Inside IR35, via Umbrella only) Duration: Ongoing long-term project We are looking for an experienced Environmental Manager to join a major UK infrastructure programme. This role will suit someone with a strong understanding of environmental management within large-scale construction and infrastructure settings. Key Responsibilities Provide environmental assurance across project activities, ensuring compliance with relevant legislation, standards, and environmental commitments. Review and advise on design and construction methodologies from an environmental perspective. Support the development and implementation of environmental management plans. Liaise with regulatory bodies, contractors, and internal teams on environmental matters. Monitor, manage, and report on performance in areas such as noise, water, ecology, and landscape. Key Requirements Minimum 3 years' experience...
IR35 Status:
Inside IR35

CV-Library Milton Keynes, Buckinghamshire Contractor
CL
Mar 20, 2026  
Principal Systems Engineer
Principal Systems Engineer Edinburgh OR Newcastle - fully onsite 12-month contract Paying up to £70p/h (Inside IR35) Role overview: Our client is looking for an experienced Systems Engineers to contribute to the continued development of an in-service radar system, by supporting the planning and analysis of radar trials (rig-based and flight trials). Key Responsibilities: Work with large datasets from rig and flight trials, and use analytical techniques to evaluate radar performance against requirements and raise Systems Problem Reports (SPR) for detailed investigation. Apply signal processing, image processing, and object classification techniques to extract actionable insights. Investigate system anomalies using real trial data, ensuring performance meets specifications. Work collaboratively with multidisciplinary teams to develop and prototype cutting-edge defence solutions. Contribute to System Verification & Validation (V&V) activities as part of the continuous...
IR35 Status:
Inside IR35

CV-Library Edinburgh, UK Contractor
CL
Mar 20, 2026  
Embedded Test Driven Development Lead
Embedded / Electronics Test Driven Development Lead (Automated Testing) JOB LOCATION: BRISTOL SECURITY CLEARANCE LEVEL: SC, BPSS Start DURATION: 6+ Months (Extension Possible) WORK PATTERN: Full Time ONSITE RATE: £ 65 - £ 70 Per hr on Umbrella (Inside IR35) TARGET INDUSTRIES AND COMPANIES. Is Defence a must? If not what industries can be considered Open to all industries (Def/Aero if possible, but not a deal breaker if not) ALTERNATIVE JOB TITLES IN OTHER COMPANIES OR INDUSTRIES (“Test Engineer” OR “Test Lead”) Essential Skillset & Tools knowledge of design methodology TDD skillset (Test driven development)- evidence in previous roles. CI/CD (Continuous integration) experience. advantageous skills noted on jd. Overview: * The UK Embedded Software department is at the core of MBDA's weapon systems. * We create the complex, highly reliable real-time software that powers our missile systems and their components, ensuring that they provide the performance and functionality our...
IR35 Status:
Inside IR35

CV-Library Bristol, City of Bristol Contractor
CL
Mar 20, 2026  
SUMS Pack Deployment Test Engineer
Expleo is seeking a highly skilled SUMS Pack Deployment and Compatibility Operational Test Engineer to join our team in Gaydon, Warwickshire, on an Inside IR35 contract basis. This is a workshop-based role focused on updating current production and engineering vehicles to the latest software packs, ensuring readiness for SOTA and integration testing. You'll be working on cutting-edge automotive technology in a dynamic and collaborative environment. Key Responsibilities: Diagnose and repair mechanical systems (engine, chassis, etc.) Perform software updates and validation testing Conduct service, diagnostics, and repair operations on current vehicles Provide technical feedback to support subsystem development Prepare, fit, and remove test components Assemble and replace systems/components Manufacture and modify electrical harnesses Trace, rectify, and validate faults using diagnostic tools Interpret technical drawings and collaborate with engineering teams Engineer bespoke...
IR35 Status:
Inside IR35

CV-Library Gaydon, Warwickshire Contractor
CL
Mar 19, 2026  
Drainage Engineer
Drainage Engineer Wanted 6 Months + Rolling Contract Start ASAP Hybrid Work Weekly Pay Inside IR35 - Via Umbrella To lead and deliver drainage engineering, surface water management and SuDS advisory work, acting as a technical specialist for flood risk, highway drainage, and development control. The postholder will design and review sustainable drainage solutions, manage flood risk assets, ensure statutory compliance as the Lead Local Flood Authority (LLFA), and support resilient, climate-adaptive infrastructure. Flood Risk & Incident Management Support the flood incident response plan ; investigate flood incidents under Section 19 and produce reports with remedial actions. Develop and deliver maintenance regimes for critical drainage assets and hotspots; prioritise interventions based on risk. Coordinate with residents, local businesses, and Members on drainage concerns and mitigation options Working hours: 37 hours a week min Monday to Friday Weekly Pay How to...
IR35 Status:
Inside IR35

CV-Library Swindon, Wiltshire Contractor
CL
Mar 19, 2026  
Site Engineer
An inside IR35 contract role is available for a Setting out Site Engineer to support the delivery of a major £300 million reinforced concrete package on a cutting-edge carbon capture facility in Teesside. The position involves providing engineering expertise across several key structures, including the turbine hall, condenser plant, and carbon capture unit. Reporting to the Section Engineers, your key responsibilities will be to -   Work safely and in line with approved systems, raising any concerns around safety, environment, or quality. Proactively challenge unsafe practices and carry out safety observations when needed. Perform accurate setting out for complex concrete structures, earthworks, roads, and utilities. Support the Senior Engineers/Section Engineers with material take-offs, stock control, and order scheduling. Prepare Inspection and Test Plans (ITPs), ensure they’re followed, and brief relevant team members. Liaise with the materials team to monitor...
IR35 Status:
Inside IR35

CV-Library United Kingdom Contractor
CL
Mar 19, 2026  
Automation Infrastructure Engineer
Automation Engineer +6 months + +Hybrid - occasional travel to Corsham +SC cleared role - current active clearance is essential +£550 - £575 a day +Inside IR35 Skills: +Automation +DevOps +MOD +SC clearance We're looking for an experienced Automation Engineer to join a fast-paced, Agile delivery team supporting large-scale, multi-vendor infrastructure environments. You'll play a key role in developing automated solutions, building robust web services, and ensuring consistent, secure deployment across complex architectures. This role is ideal for an engineer who enjoys solving problems, streamlining processes, and working collaboratively within high-performing technical teams. Essential Skills & Experience To be considered, candidates must have at least 12 months of hands-on experience within the last 3 years in: Creating PHP and JavaScript web services Consuming REST-based web services Consuming SOAP-based web services Automated deployment of server, network,...
IR35 Status:
Inside IR35

CV-Library Corsham, Wiltshire Contractor
CL
Mar 19, 2026  
Principal Maritime Structural Engineer
Role: Prinicipal Structural Engineer Location: Gosport-onsite Duration: 6 months Rate: £600-£700/day Inside IR35: Umbrella About our Client: Our client is a leading company in defense and aerospace technology, specializing in cutting-edge research, testing, and innovation across multiple sectors. They are known for their state-of-the-art facilities and highly skilled workforce, making them a key player in advancing technology and delivering high-quality solutions. The Role As a Principal Maritime Structural Engineer, you'll be responsible for delivering work streams whilst guiding a mixed discipline engineering team. Ultimately enabling the engineering delivery of a large multi-year high profile maritime project within the Maritime defence sector. Day-to-day, you will use Finite Element Analysis (FEA) to model and assess the structural response of submarine propulsors under quasi-static and dynamic conditions. Responsibilities include developing and reviewing FEA models,...
IR35 Status:
Inside IR35

CV-Library Portsmouth, Hampshire Contractor
CL
Mar 19, 2026  
Resident Engineer - Electrical
Role: Resident Electrical Engineer Location: Devonport, Plymouth Duration: 12 months Inside IR35: Umbrella The purpose: Ensure the delivery of site Quality by managing, providing advice and support, and witnessing the installation and commissioning process through construction works in the submarine refit complex. Primary focus will be Electrical activity. You will be accountable to the Lead Construction Manager for day to day planning matters. You will assist the construction and Project team by providing advice and communicating with contractors and relevant internal stakeholders to resolve site issues/ Technical Queries during construction in line with contract timescales. You will ensure the contractor adheres to the Scope of works and Change requests. You will undertake and record inspections to ensure adherence to scope and integrated test plans. The post operates as part of the Major Infrastructure Projects Business Unit. Roles& responsibilities: Ensure the...
IR35 Status:
Inside IR35

CV-Library Plymouth, Devon Contractor
CL
Mar 18, 2026  
Quality Engineer
Quality Engineer 12 month contract Based in Belfast Offering £31.90ph Inside IR35 Are you an experienced Quality Engineer? Do you have experience working within an Aerospace/Automotive manufacturing environment? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Quality Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Providing guidance and delegation of tasks to Product Quality Control and Quality Assurance Engineering personnel Developing and maintaining Quality documentation and procedures Collecting and analysing data on non-conforming products to enable corrective action to be taken Supporting MRB/CAB activity Preparing and maintaining...
IR35 Status:
Inside IR35

CV-Library Belfast, County Antrim Contractor
CL
Mar 18, 2026  
Electronics Engineer
Electronics Engineer 12 month contract Based in Ampthill Offering circa £63ph Inside IR35 Do you have experience in Electronics Hardware Design? Do you have experience in Digital and Analogue Electronics Design? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Electronics Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. Due to the nature of the work you will be involved in, you will be required to obtain UK SC clearance in this role. You will be involved in: Take responsibility for the design, development, and support of mixed electrical/electronic solutions from concept to completion Provide guidance and governance to the team in the integration of the...
IR35 Status:
Inside IR35

CV-Library Ampthill, Bedfordshire Contractor
CL
Mar 18, 2026  
Test Equipment Hardware Engineer
Role: NPI Test Equipment Hardware Engineer Location: Cheltenham (3 day on-site. 2 remote) Duration: 12 months Rate: up to £75/hour (Umbrella only) Inside IR35 Job Description Summary As an NPI TE Hardware Engineer, you will be responsible for leading, specifying, designing & developing, Test Equipment solutions for power distribution and control programmes. You will work as part of an integrated product team to develop and implement TE Hardware for Qualification & deliver test solutions for the latest power distribution controls products. You will take an innovative approach to problem-solving, demonstrate good people leadership skills, independence, sound technical judgment and be able identify and breakdown complex problems and formulate solutions. Roles and Responsibilities Responsible for the full Test Systems life cycle - from initial requirements through to formal release and support Develop and implement TE Hardware for Qualification Execute the...
IR35 Status:
Inside IR35

CV-Library Cheltenham, Gloucestershire Contractor
CL
Mar 18, 2026  
Infrastructure Virtualisation Engineer
Infrastructure Virtualisation Engineer 2 year Contract Inside IR35 Location - Portsmouth or Corsham Overview The Infrastructure Virtualisation Engineering Service will support the technical team responsible for the design, development, documentation, building and validation of the core virtual estate which form the backbone of the NSoIT(D) Platform. The detailed responsibilities of the team include: The design, development, building and validation of all virtualisation components which form part of the NSoIT(D) Platform. Production and review of all levels of design artefacts. Supporting wider NSoIT(D) system testing activities. Working with Service Management to resolve issues.Essential skills, qualifications and experience In order to deliver this service, it is essential that individuals have: Demonstrable experience of at least 3 years within the industry with detailed knowledge and understanding, of the design, implementation, and troubleshooting of the following:...
IR35 Status:
Inside IR35

CV-Library Portsmouth, Hampshire Contractor
CL
Mar 18, 2026  
Network Engineer
Network Engineer 2 year Contract Inside IR35 Location - Portsmouth or Corsham Overview The Network Engineering Service will support the technical team responsible for the design, development, documentation, building and validation of the core physical and virtual networking components which form the backbone of the NSoIT(D) Platform. The detailed responsibilities of the team include: The design, development, building and validation of all networking components which form part of the NSoIT(D) Platform. Production and review of all levels of design artefacts. Supporting wider NSoIT(D) system testing activities. Working with Service Management to resolve issues.Essential skills, qualifications and experience In order to deliver this service, it is essential that individuals have: Demonstrable experience of at least 3 years within the industry with detailed knowledge and understanding, of the design, implementation, and troubleshooting of the following: Hierarchical IP...
IR35 Status:
Inside IR35

CV-Library Portsmouth, Hampshire Contractor
CL
Mar 18, 2026  
Infrastructure Automation Engineer
Infrastructure Automation Engineer 2 year Contract Inside IR35 Location - Portsmouth or Corsham Overview The Infrastructure Automation Engineering Service will support the technical team responsible for the design, development, documentation, building and validation of infrastructure automation components which form part of the NSoIT(D) Platform. These automation components will primary be developed using Python3, Ansible and Bash with a focus on hardware components, specifically their various features, services, and configurations, as well as interactions with external REST/SOAP APIs and services. The team's responsibilities include: Apply complex problem solving to "reverse engineer" applications, designs and manual build instructions to create zero touch automation packages that are parameterised, dynamic and able to repeatedly and reliably deploy against these designs. Often these applications are legacy, were created without automation in mind or are otherwise resistive...
IR35 Status:
Inside IR35

CV-Library Portsmouth, Hampshire Contractor
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