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Inside IR35 Contractor Cardiff

48 jobs found in Cardiff

CL
Jun 17, 2026  
Technical Cyber Delivery Lead
Technical Cyber Delivery Lead Role: Technical Cyber Delivery Lead Specialism(s): Technical Delivery, Cyber Security, Cyber & Safety, DLP, IAM/Identity, Delivery Flow, Prioritisation, Control Gaps, SCRUM, Technical Coordination, IT & Cyber Delivery, Outcome-Driven Type: Contract, Daily Rate Location: Hybrid - Remote/Greater Cardiff Duration: 6 Months Start: ASAP / Urgent Pay Rate: £500 - £610 per day IR35 Determination: Inside IR35 Technical Cyber Delivery Lead - Cyber & Safety Programmes CPS Group UK are delighted to be working with a leading organisation to appoint a Technical Delivery Lead to spearhead and optimise cyber security and IT delivery as part of various Cyber & Safety programmes. The Technical Delivery Lead will be primarily outcomes (not ceremony) driven and will possess excellent, current technical knowledge of Cyber Security & general IT. The Technical Delivery Lead will be embedded directly into delivery team(s) and partner with SME's to...
IR35 Status:
Inside IR35

CV-Library Cardiff, UK Contractor
CL
Jun 14, 2026  
Data Scientist
Hiring: Data Scientist (Credit Risk) | £490/day | Remote (UK) 🚨 I'm currently working with a client looking for a hands-on Data Scientist to join their team on a credit risk & customer analytics project. This is a great opportunity for someone who enjoys practical, business-facing data science - working with real data, improving models, and influencing decision-making. 💡 What you'll be doing Building and improving predictive models (starting with logistic regression, progressing to more advanced methods) Working with large customer datasets to support credit risk and onboarding decisions Running data QA checks and validating datasets Analysing model performance and turning outputs into clear business insights Supporting initiatives across fraud, identity risk, and investigations 🛠️ Tech / Tools Python (increasingly), R Azure / Databricks Large-scale data environments ✅ Ideal background Experience in Data Science / Machine Learning roles Strong understanding of...
IR35 Status:
Inside IR35

CV-Library Cardiff, UK Contractor
CL
Jun 14, 2026  
Contracts Engineer - Buildings Surveyor
Contracts Engineer - Building Surveyors- 6 month contract - Glascoed, Monmouthshire - £30.41 ph UMB or £22.69 ph PAYE (Inside IR35) The Umbrella rate quoted above is the Gross Umbrella rate (i.e. the rate we pay to the Umbrella Company inclusive of ALL employment costs). Please note, the rate paid by the Umbrella will be less, as will a Limited Deemed rate or Agency PAYE rate. Please get in touch to discuss the rates via these different payment vehicles. The Role The position will report directly into the site Contracts Manager within the estates and facilities management team. Supporting the operation, repairs, maintenance and new works of site infrastructure and services, including for the development, renovation and maintenance, and delivery of legally compliant work pertaining to site land and buildings, utilities and services. Responsible for ensuring that all site buildings are inspected, creation of detailed building condition surveys and maintenance plans. Preparing...
IR35 Status:
Inside IR35

CV-Library Usk, Monmouthshire Contractor
CL
Jun 12, 2026  
Assistant Finance Analys
Interim Assistant Finance Analyst / Commercial Analyst Location: Near Bristol Rate: £180 per day (Inside IR35) Contract Type: Interim Contract Sector: Construction / Civil Engineering / Major Projects Reporting To: Assistant Project Accountant / Commercial Finance Team Role Overview We are seeking an Interim Assistant Finance Analyst / Commercial Analyst to support a major civil engineering and infrastructure project based near Bristol. This opportunity would suit a junior finance, commercial, or quantity surveying professional looking to develop experience within major projects, construction finance, and commercial operations. The successful candidate will support both finance and commercial teams with cost analysis, financial reporting, and the preparation of supporting information relating to contractual cost recovery and client disputes. You will work closely with senior commercial and finance professionals, receiving guidance and direction on information gathering,...
IR35 Status:
Inside IR35

CV-Library Avonmouth, Bristol Contractor
CL
Jun 12, 2026  
Software Engineer C
Software Engineer C++ JOB LOCATION: BRISTOL SECURITY CLEARANCE LEVEL: SC to Start DURATION: 12+ Months (Extension Possible) WORK PATTERN: Full Time ONSITE (Compressed Option Available) RATE: £ 65.00 Per hr on Umbrella (Inside IR35) TARGET INDUSTRIES AND COMPANIES. Is Defence a must? If not what industries can be considered Development for Defence or Safety critical systems. ALTERNATIVE JOB TITLES IN OTHER COMPANIES OR INDUSTRIES Software Engineer or Software Developer Essential Skillset & Tools C++ Overview: * Our team, at our Bristol facility, develop solutions for the next generation of Air Defence Systems; developing evolving products whilst maintaining our enviable reputation for safety, performance and dependability. Role Requirements / Responsibilities: * This is a very hands-on role and requires the continued design and development of Command and Control architectures, and the instantiations for future products. Perfect for a Software Engineer who is...
IR35 Status:
Inside IR35

CV-Library Bristol, City of Bristol Contractor
CL
Jun 11, 2026  
Capital Delivery Programme Manager- Parks and Greenspaces
Interim Capital Programme Delivery Manager Location: Bristol Length of Contact: 6 months Rate: £(Apply online only) a day (inside IR35) Home working is accepted with 1-2 days in the office DK are seeking an experienced Capital Programme Delivery Manager to lead the planning and delivery of a complex capital programme within a Parks and Green Spaces service for a large Local Authority. This is a key role responsible for ensuring effective delivery of multiple capital projects on time, within budget, and to quality standards. Key responsibilities: * Lead delivery of a multi-project capital programme from planning through to completion * Develop and maintain integrated programme plans, schedules, and milestones * Manage budgets, forecasts, and financial performance in line with governance requirements * Identify, manage, and mitigate risks, issues, and interdependencies * Provide clear reporting and updates to senior stakeholders and governance boards * Lead...
IR35 Status:
Inside IR35

CV-Library Bristol, City of Bristol Contractor
CL
Jun 17, 2026  
Project Engineer
World Class Defence Organisation based in Bristol is currently looking to recruit a Project Engineer subcontractor on an initial 12 month contract.   Rate: £50.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol Hybrid / Remote working: circa 4 days onsite Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Project Engineer Job Description: WSSE are integral in the development of weapon systems and system architectures, and as a result we have developed a capability supporting developments across the full product life cycle. The team integrate real products, models and synthetic environments to provide visualisations, demonstrations, verification & validation as well as training capability and support. Responsibilities: The role is to support the delivery of...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 14, 2026  
Systems Design Engineer
World Class Defence Organisation is currently looking to recruit 2x Systems Design Engineer subcontractors on an initial 12 month contract.   Rate: £80.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: The role can be based either from the companies Stevenage, Bolton or Bristol sites Hybrid / Remote working: circa 4 days onsite (more remote working may be possible) Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Systems Design Engineer Job Description: Seekers department develop RF Seekers for use in Missile products.  Responsibilities: Working as part of team developing system architecture and design utilising MBSE. Deriving and managing requirements Communicating with various stakeholders with the Seeker team and the external customer and suppliers Developing Physical...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 13, 2026  
Interim Finance Business Partner - HRA
My Local Government client are looking to recruit a qualified and experienced interim to cover a key role in the Housing finance team. Working as the Interim Finance Business Partner for HRA & Housing, your role will be working on meaningful projects and workstreams across the Directorate. From major transformation programmes such as in Temporary Accommodation, through to delivering a core capital programme, you'll gain valuable experience across a diverse and evolving portfolio. Reporting into the Head of Finance, your role will be at the heart of the housing directorate and will be focused on providing clear financial advice the the senior management team as well as members. To be considered for the role you will need to be a forward‑thinking finance leader who is motivated by public service and excited by complex challenge and driving improvement. You will be a fully CCAB‑qualified professional with post‑qualification experience and a strong commitment to ongoing...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 13, 2026  
Systems Integration and Test Engineer
Solutions Developer (Systems Integration & Test) £72.54 per hour (Inside IR35) 12 months Bristol - full time on site The Solution Developers will provide the core integration resource within a lab-based development environment, bringing with them a technical background in systems integration, communication systems engineering and networking. Typical duties include : * Integrating hardware and software components into tactical military communication systems. * Support the Solution Architect in creating the System Architecture and lower-level system and sub-system designs * Develop and integrate communication systems against designs. * Perform unit testing and debugging in support of verification and validation. * Support the Solution Tester in defining appropriate Tests. * Collaborating with wider project and engineering stakeholders to realise requirements into solutions. Knowledge: ▪ Windows/Linux based management systems responsible for the provisioning of...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 13, 2026  
Aerospace CATIA CPD Designer - Filton Bristol, UK
Aerospace CATIA CPD Designer - Filton Bristol, UK. Our Aerospace client based in Filton, UK, require a Designer with good experience using CATIA CPD. CATIA CPD Composites Design is an advanced workbench within CATIA and the 3DEXPERIENCE platform dedicated to the engineering and manufacturing preparation of composite materials. The successful candidate will be be part of a new project focused around Aero Engine technology. If the candidate has specific Aero Engine knowledge that would be a bonus but not necessary. This role will be offered on a contractor basis working within IR35 regulations and paid PAYE through Strongfield Consultants
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 12, 2026  
C++ Software Engineer
World Class Defence Organisation based in Bristol is currently looking to recruit a C++ Software Engineer subcontractor on an initial 12 month contract, with very likely extension.     Rate: £65.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol Hybrid / Remote working: The role will be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday). Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Job Description: The company are a world leader in missile and missile systems looking for a highly capable and adaptable to join our Development Facility in Bristol. Join the growing dynamic Software team in Bristol in developing the latest mission-critical defence systems. You will work as part of a small team and be empowered to work individually with little...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 11, 2026  
Training Lead
World Class Defence Organisation based in Bristol is currently looking to recruit a Training Lead subcontractor on an initial 6 month contract.   This role would suit someone from a Training Lead / Training Manager background.   Rate: £65.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol Hybrid / Remote working: circa 2 days onsite Duration: 6 months, scope to extend up to 2 years IR35 status: Inside IR35 (Umbrella)   Training Lead Job Description: Training Role for the Transfer of Knowledge programmes into Poland. Polish speaker would be a massive advantage – contracted to deliver training in English but would be a huge bonus.   Need someone from a technical training background to review material/documentation May be presenting training material if required – will be focused on building the material rather than delivery.  Microsoft PPT/office experience   Do not need to have Defence background...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 11, 2026  
Training Lead
Training Lead 6 month contract Based in Bristol Offering £65ph Inside IR35 Do you have experience delivering technical training? Do you have experience in transfer of knowledge activities? 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 Training Lead, 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: Engaging with Subject Matter Experts (SME) acting as a training technical interface to support and guide their training material Design and Creation activities Supporting SME's with their technical interactions with the wider business elements in support of training material Design and Creation Ensuring relevant training development processes are...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 11, 2026  
Senior Project Planner
Role: Senior Project Planner Location: Bristol(2-3days/week) Duration: 6 months Inside IR35: Umbrella The role is responsible for creating, managing and analysing portfolio-level schedules that combine bids, opportunities and strategic initiatives, providing resource-informed planning insights to support leadership decisions on prioritisation, scheduling, feasibility and sequencing. Working within established planning frameworks and guidance, the role focuses on enabling informed decision-making through planning support, rather than taking ownership of delivery execution or contractual obligations. Responsibilities: Portfolio Scheduling & Integration Resource Awareness & Utilisation Forecasting Scenario Planning & Option Analysis Leadership & Stakeholder Engagement Forecasting & Management Information Planning Assurance & Continuous Improvement Experience : Demonstrable experience in project planning, scheduling or project controls within a...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 10, 2026  
Combat Systems Engineer
NRL are currently recruiting for a Combat Systems Engineer based in Bristol. We are looking for experienced Combat Systems Engineers with a background in the maritime sector, specifically working on surface fleet ship weapons systems. This role will be delivered on a hybrid working model, with 2 days per week based in Bristol. Role- Combat Systems Engineer Location- Bristol Role Type- 12 month contract Rate- £50.00 per hour Inside IR35 Essential Requirements Candidates must demonstrate the following qualifications and experience: A Bachelor’s or Master’s degree in Marine Engineering, Electrical Engineering, or a closely related discipline. Chartered Engineer (CEng) status in a relevant discipline, with a minimum of 3 years’ experience at Chartered level; Alternatively, candidates who are not Chartered must demonstrate: At least 7 years’ relevant professional experience, and Evidence of continuous professional development (CPD) and recent innovation in delivered...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 07, 2026  
Human Factors Engineer
World Class Defence Organisation based in Bristol (the role will be split between working from home and onsite) is currently looking to recruit a Human Factors Engineer subcontractor on an initial 6 month contract.   Rate: £90.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol Hybrid / Remote working: circa 3 days onsite Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Human Factors Engineer Job Description: The military operating environment is becoming more complex and new technological capabilities are required to ensure operational advantage. We believe that integration of Human Factors is critical to the development of safe, usable and effective weapon systems. The Human Factors department is responsible for ensuring that user capability is fully considered in...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 07, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
May 23, 2026  
FPGA Design Engineer
World Class Defence Organisation is currently looking to recruit 3x FPGA Design Engineer Subcontractors on an initial 12 month contract.   Rate: £90.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage or Bristol depending on your preference Hybrid / Remote working: Hybrid working of 3 days per week onsite Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   FPGA Design Engineer Job Description:    For this role, we are seeking an experienced FPGA design and verification engineer (~4+ years), to support the development of our growing portfolio of complex FPGA projects. The current portfolio ranges from advanced signal processing systems (ImageRadio), core embedded processing systems, through to safety & security critical systems. Responsibilities: The role...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
May 23, 2026  
Mechanical Design Engineer
World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer subcontractors on an initial 6 month contract. This role would suit a Mechanical Design Engineer who comes from a strong Defence or Aerospace background has strong Creo / PRO-E skills.         Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Stevenage or Bristol – depending on your preference Hybrid / Remote working: 4 days a week likely onsite (likely could be lower on a week by week basis; depending on work). 1 day remote. (flexible on start and finish time). A compressed 4 day week (Monday to Thursday) a possibility. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Design Engineer Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
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