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Outside IR35 Contractor mentor

101 mentor jobs found

CL
Apr 25, 2026  
Senior Software Engineer
Contract Senior Embedded Software Engineer Rate: up to £60pphr + VAT, outside IR35 Location: East Sussex (Hybrid: 2 days onsite, 3 days remote) Our client, a well-established and financially secure engineering organisation, is seeking a Senior Embedded Software Engineer to join their expanding development team. This is a fantastic opportunity to work within a company recognised for its long-term stability, strong engineering ethos, and continued investment in innovation. You’ll be part of a collaborative, multi-disciplinary team, playing a key role in developing embedded software for advanced electronic systems. The position offers involvement across the full software development lifecycle—from initial requirements through to validation and release. The Role As a Senior Embedded Software Engineer, you will design, develop, and support embedded software for controller systems, instrumentation, and user interfaces. You’ll contribute to both new product development and the...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Jan 21, 2026  
Senior HVAC Design Engineer
We are working with this leading multi national data centre and mission critical specialist who are working on schemes across UK and europe. With data centres being crucial components of today's infrastructure, supporting everything from business to public services. Operators must ensure the longevity, efficiency, and sustainability of their sites while optimizing them for mission-critical tasks. The teams are at the forefront of designing innovative and energy-efficient data centres, ensuring that our clients meet their goals of performance, cost-efficiency, and sustainability. The Opportunity Join our international and multidisciplinary team of passionate design engineers and help us create high-quality, sustainable, and innovative data centre structures. You will work on medium to large-scale mission-critical projects, covering all stages of design - from concept to construction supervision and handover. As part of an interdisciplinary team of architects, advisors &...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 24, 2026  
Manufacturing Engineer
Contract Manufacturing Engineer Contract - 52 weeks - £47.84 per hour (umbrella) The Opportunity We are seeking a Contract Manufacturing Engineer to join a leading organisation in the defence and advanced electronics sector. You will support the development and production of mission-critical systems across multiple domains, working within cross-functional project teams. Key Responsibilities Develop and implement manufacturing processes to support new product introduction Support manufacturing governance, planning, and lifecycle reviews Analyse production data to inform decision-making and improve efficiency Resolve production issues and support shop floor activities Drive continuous improvement in processes, capacity, and workflow Ensure product quality through validation and process control Maintain manufacturing documentation and data Contribute to problem-solving activities (e.g. 8D) Mentor junior team members and promote best practices Required Skills & Experience...
IR35 Status:
Outside IR35

CV-Library Dagenham, London Contractor
CL
Apr 21, 2026  
Lead Piping Designer
Lead Piping Designer - Addison Project, Harlow For over 25 years, Addison Project plc has delivered innovative, sustainable engineering solutions across the chemical, pharmaceutical, energy, and food & beverage sectors. As a family‑owned business with UK‑wide coverage, we combine technical excellence with a collaborative, client‑focused approach. Our fully integrated EPCM capability supported by strong CDM and HSSEQ leadership and accredited management systems ensures projects are delivered safely, efficiently, and to the highest standards from concept through to commissioning and start‑up. If you're passionate about engineering and want to join a dynamic, people‑focused consultancy driving progress and sustainability across the UK’s manufacturing and process industries, Addison Project is the place to grow your career. Job Type: Contract Outside IR35 Start: Spring 2026 Location: Harlow, Essex with travel to site in Home Countries Workscpe Addison Project Plc are seeking...
IR35 Status:
Outside IR35

CV-Library Harlow, Essex Contractor
CL
Apr 26, 2026  
Senior Full-stack Python Typescript AI Engineer
Senior Full-stack Python Typescript AI Engineer- Outside IR35 ROLE This position is for a Senior Backend Developer working in python and typescript to support the development on a SaaS product with a focus on Ai. This role involves designing, building, and optimising scalable backend services and APIs to support a single-tenant, multi‑instance SaaS platform, while contributing to the architecture and implementation of AI‑driven components such as Retrieval‑Augmented Generation (RAG) pipelines, vector databases, semantic search, and structured or knowledge‑graph‑based data modelling approaches. You will support the design of robust data models and pipelines capable of handling both structured and unstructured data with strong traceability and auditability, and help transition prototypes into production‑ready systems with a focus on security, access control, performance, reliability, observability, and monitoring. The role also includes building and managing integrations with...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 25, 2026  
Senior Electrical Engineer - Nuclear
Senior Electrical Engineer - Infrastructure Projects AWE, Berkshire Hybrid - 2 days per fortnight on site £55-60/hour - Outside IR35 (pending determination) Security Clearance: SC required (DV eligibility essential) About the Opportunity We are currently recruiting for a Senior Electrical Engineer to support delivery across the One Team Framework on high-profile defence infrastructure projects. This is an excellent opportunity to work on technically complex, highly regulated programmes, contributing to the design and delivery of critical electrical infrastructure across a secure environment. You'll play a key role in ensuring safe, compliant, and high-quality engineering solutions within a collaborative, multi-discipline team. The Role As a Senior Electrical Engineer, you will lead the design and delivery of electrical infrastructure systems, with a focus on HV/LV power distribution, substations, and associated networks. You will take ownership of engineering outputs...
IR35 Status:
Outside IR35

CV-Library Aldermaston, Berkshire Contractor
CL
Apr 25, 2026  
Senior Civil Engineer
CONTRACT SENIOR CIVIL ENGINEER – LONDON 🚧 📍 London (Hybrid Working) 💷 £40–£48 per hour – Outside IR35 📅 Long-term contract opportunity We’re working with a well-established civil engineering consultancy that is looking to bring in an experienced Senior Civil Engineer to support a strong pipeline of residential and commercial development projects. This is a great opportunity for someone who enjoys hands-on design work and wants flexibility with hybrid working. 🔧 The Role You’ll be involved in delivering infrastructure and drainage design across a range of development schemes, including: • Flood Risk Assessments • Drainage Schemes • SuDS Strategies You’ll play a key role in supporting project delivery from early feasibility through to detailed design and approvals. 💻 Software The team currently uses: • Civils 3D • Site 3D • InfoDrainage Experience in these is preferred, but not essential — strong drainage/infrastructure design experience is the priority. ✅ What...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 25, 2026  
Senior Civil Engineer
Contract Senior Civil Engineer – Fully Remote 🚧 💻 Outside IR35 | 6-Month Contract (Likely Extension) ⏱ 40 Hours per Week I’m currently working with a busy and well-established civil engineering consultancy looking to bring in an experienced Senior Civil Engineer to support a strong pipeline of work. This is a fully remote role, ideal for someone who can hit the ground running and deliver high-quality design work independently. 🏗 The Role: You’ll be working predominantly on residential developments, with some commercial projects, supporting from feasibility through to detailed design and approvals. 🔧 Key Experience: Flood Risk Assessments (FRA) Drainage design & strategies SuDS design Residential infrastructure (roads & drainage) Experience working with UK standards & approvals 💻 Software: Site 3D Causeway Flow (Experience in both is essential) 📌 Details: Fully remote Outside IR35 6-month contract (strong likelihood of extension) 40 hours...
IR35 Status:
Outside IR35

CV-Library Remote Contractor
CL
Apr 25, 2026  
Senior Civil Engineer
Contract Senior Civil Engineer 💻 Fully Remote | Outside IR35 📅 6-Month Contract (Likely Extension) 🏗 The Opportunity We’re working with a well-established civil engineering consultancy seeking an experienced Senior Civil Engineer to support a growing pipeline of infrastructure design work. This is a fully remote contract role, ideal for someone confident delivering technical design independently and managing projects through to approval. 📍 Project Work You’ll be working primarily on large-scale commercial, industrial, and education schemes, focusing on the infrastructure that supports these developments, including: Private roads Drainage networks External works infrastructure 🔧 Scope of Work SuDS Strategies Drainage design (foul & surface water) Estate road / highway design S104, S38 & S278 technical approvals Supporting projects from feasibility through to detailed design 💻 Software Civils 3D InfoDrainage (Experience in both is essential) 📌 Key...
IR35 Status:
Outside IR35

CV-Library Remote Contractor
CL
Apr 25, 2026  
Senior Test Consultant
Senior Test Consultant Location: Hampshire (Onsite) Duration: 18 Months Clearance: DV Clearance required (Active) Rate: £530 to £570 per day - Outside IR35 Overview We are seeking a Senior Test & Trials Consultant to provide specialist oversight and assurance across a highly secure government IT infrastructure programme. This role will focus on shaping, governing, and assuring test and trial activity, ensuring that infrastructure capabilities are validated, risks are identified early, and delivery remains aligned to operational requirements. The successful candidate will act as a trusted adviser to programme leadership, providing independent challenge, structured guidance, and leadership across complex test environments. Key Responsibilities Provide strategic oversight and assurance of Test & Trials activity across the programme Review and shape Test & Trials Strategies, Plans, and governance frameworks Advise programme leadership on test readiness, risks, and...
IR35 Status:
Outside IR35

CV-Library Hampshire, UK Contractor
CL
Apr 25, 2026  
Senior Mechanical Design Engineer
Senior Mechanical Design Engineer - Water Location: Chatham, Kent (flexible hybrid) Job type: Long-term Contract (Outside IR35) A leading water client is seeking an experienced mechanical design engineer to support long-term capital delivery programmes. This client-side position covers the full project lifecycle including feasibility, optioneering, detailed design, construction and commissioning. Responsibilities * Lead mechanical engineering design activities from feasibility through to commissioning on clean water infrastructure projects. * Produce and review detailed mechanical designs, calculations, specifications, reports and drawings for treatment plant assets, pumped systems, pipework and chemical dosing equipment. * Carry out and validate hydraulic calculations, including pump sizing, system curves, head loss assessments and surge considerations. * Ensure design outputs comply with client standards, WIMES, CDM requirements and relevant industry legislation. *...
IR35 Status:
Outside IR35

CV-Library Kent, UK Contractor
CL
Apr 25, 2026  
Senior QS
OUTSIDE SCOPE OF IR35 / Ltd Co *** Freelance Senior QS - Tier One contractor - £90m mixed-use project - Central London - Immediate start I have an immediate requirement for a Freelance Project / Senior QS or Change Manager to measure, price, submit and agree Variations on a £90m mixed-use project in Central London. The project is a mix of Healthcare, Commercial and Residential apartments, c.£90m and runs until Summer 2026 - JCT Traditional contract. The role is site-based with a day a week working from home as required. This position will suit a Project or Senior level Quantity Surveyor from a Tier One or Two main contracting background, who's either run their own projects, been a Senior Project / Package QS on major projects or specialised in Change Management / Variations. The requirement is for c.3 months and has the potential to go longer on this or another project. To apply, or for more info, pleaee contact Micah Evans. Randstad CPE values diversity and promotes...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Apr 25, 2026  
Senior Design Engineer – MedTech (Outside IR35)
Contract Design Engineer – MedTech (Outside IR35) ARCA is supporting an innovative MedTech organisation developing next-generation medical devices, looking to bring in an experienced Senior Design Engineer to support a key development phase. This is a hands-on role across the full product lifecycle – from concept through to design refinement and validation, within a regulated environment. The role: * Mechanical design and development of medical devices * Creating and iterating CAD models and technical drawings * Supporting design verification & validation (DV&V) * Collaborating with R&D, QA/RA, and manufacturing teams * Contributing to design documentation in line with regulatory standards Experience: * Design Engineer within MedTech / medical devices * Strong CAD capability (SolidWorks or similar) * Experience working within ISO 13485 environments * Understanding of design controls, risk (ISO 14971) * Familiarity with verification...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 25, 2026  
Senior Mechanical Design Engineer
Senior Mechanical Design Engineer – Contract – Central London – Outside IR35 – 6 Months An exciting opportunity has arisen for an experienced Senior Mechanical Design Engineer to join a well-established design consultancy renowned for delivering high-quality MEP engineering solutions. This is a 6-month contract role, operating outside IR35, based in Central London. Due to a growing project portfolio, we are actively seeking a skilled engineer to support the delivery of a large scale commercial office project. The Role: Develop detailed mechanical designs in line with client briefs Perform mechanical building services calculations Assist in producing mechanical specifications and schedules Conduct feasibility studies and technical evaluations Provide expert technical support and advice across the project lifecycle Prepare technical statements and reports as required Essential Requirements: Proven background in HVAC design and mechanical building services Strong...
IR35 Status:
Outside IR35

CV-Library City of London, London, UK Contractor
CL
Apr 24, 2026  
Senior QS
Hybrid | 3 Days On‑Site Weekly | Contract We are supporting a major infrastructure partner with the appointment of an experienced Senior Quantity Surveyor to join a long‑term power framework. This is a confidential requirement, and further details will be shared with shortlisted candidates. This role will be based in Perth 3 days a week. Set up: 6-month initial contract Outside IR35 HybridThe Opportunity This role offers the chance to step into a senior commercial position on a high‑profile programme within the power sector. You'll be part of a collaborative commercial team delivering essential capital works with long‑term visibility and stability. What You'll Be Doing Leading commercial management across multiple work packages. Supporting project teams with cost planning, forecasting, change control and contractual support. Managing subcontractor procurement, negotiation and performance. Ensuring compliance with regulated‑sector governance, reporting and assurance...
IR35 Status:
Outside IR35

CV-Library Perth, Perth & Kinross Contractor
CL
Apr 24, 2026  
Senior Quantity Surveyor
Job title: Senior Quantity Surveyor (Freelance) Location: Poole, Dorset Expected Start Date: ASAP Duration: 3 Years Contract Type:  Available on a 3 years fixed-term contract or Day Rate (outside IR35) About the Project We are commencing a major £35m commercial-to-residential redevelopment project in Poole, scheduled to begin in March 2026 and run for approximately 3 years. This is a high-profile conversion scheme with complex phasing, stakeholder coordination, and significant procurement and cost-management responsibilities. To support the Senior Project QS, we are seeking an experienced, locally-based Quantity Surveyor to act as the daily commercial lead on site and client facing. Role Overview The Quantity Surveyor will manage day-to-day commercial activity, ensuring accurate cost control, robust documentation, and smooth communication with the Senior Project QS and the wider project team. You'll be the commercial presence on site each day, responsible for gathering...
IR35 Status:
Outside IR35

CV-Library Poole, UK Contractor
CL
Apr 24, 2026  
Senior AI Engineer £700 p/d | Outside IR35 | Central London
Senior AI Engineer £700 p/d (Outside IR35) - Hybrid, Central London A leading Asset Management firm in Central London is seeking a highly technical, delivery‑focused AI Engineer to accelerate the build‑out of AI automation across critical internal operations. We're looking for someone who can combine deep engineering ability, strong systems thinking, and the ability to listen, understand, and translate stakeholder needs into reliable AI‑powered workflows. You'll be the first specialist within a new AI & Data function, owning solutions end‑to‑end and setting engineering standards from day one. What You'll do: Map human‑heavy processes and identify automation opportunities. Build robust, well‑structured AI systems using ChatGPT Enterprise. Implement retrieval workflows, decision trees, guardrails, and scalable prompt patterns. Develop high‑value internal copilots and productivity tools. Integrate AI workflows with HR, CRM, and other internal platforms. Work closely with...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Apr 23, 2026  
Senior Quantity Surveyor (Freelance)
Senior Quantity Surveyor - Dorset * Long-term exciting apartment project * Lead a commercial team working on a construction management contract * New project with experienced developer and long-term client * Can work fixed-term or outside IR35 The project is a 300+ unit development consisting of apartments and leisure facilities. You will lead the on-site commercial operations working closely with the client team with support from a visiting Commercial Manager. The project is a nine-storey building and the work is predominately internal alteration works with the existing structure being maintained. For more information please do not hesitate to make contact as shortlisting will commence immediately. This is a major commercial-to-residential conversion across multiple phases,you will take full commercial ownership of the project on site, taking responsibility for its commercial outcomes working closely with the partnered developer from start to finish. Please call or email...
IR35 Status:
Outside IR35

CV-Library Poole, Dorset Contractor
CL
Apr 23, 2026  
Senior Procurement Manager
Senior Procurement Manager Central London 12-month Contract - Hybrid £500 per day ARM are delighted to be working with our client to help them recruit a Senior Procurement Manager on a 12 month contract. The Role: Identify, analyse and realise savings opportunities across the procurement pipeline. Engage with Finance Business Partners fortnightly to track performance, forecasts and bottlenecks. Maintain and update savings trackers and reporting for the Investment Finance Board (IFB). Provide input/peer review into category strategies and contract management plans Peer-reviewing procurement strategies across categories. Supporting contract management for the SAP contract (minimal workload). Requirements: Strong attention to details, due to the volume of financial reporting, savings validation and data accuracy requirements. Experience across multiple categories (not limited to ICT). Comfortable delivering full lifecycle procurement from strategy through to contract...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Apr 23, 2026  
Senior Procurement Officer
Senior Procurement Officer Central London 3-month Contract - Hybrid £500 per day ARM are delighted to be working with our client to help them recruit a Senior Procurement Officer on a 3 month contract. The Role: Development of tender documentation from scratch (new contract, not a re-tender). Assess and recommend appropriate route to market (framework vs competitive flexible tender under PA23 thresholds). High stakeholder engagement with operational teams. Contract goes live in 2029; involvement is limited to readiness, engagement with Home Office/ESMCP groups, and early planning. Candidate to support facilitation of procurement activities. Requirements: Ability to manage difficult or complex suppliers and stakeholders Ability to self-manage and lead procurement processes end-to-end with no direct team support. Public sector procurement expertise Contracts management knowledge Strong interpersonal & communication skills Ability to operate independently Disclaimer:...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
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