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Contractor 25
Engineering Outside IR35 Saffron Walden

25 jobs found in Saffron Walden

CL
Apr 23, 2026  
RF Engineer
RF Engineer Contractor | 3 Months | Outside IR35 |Full-time, Onsite | North Cambridge I am currently recruiting for a market leader in the field of critical communications. Their focus is on providing high quality products to a demanding, mission critical client base, which includes the police, paramedics, sea rescue, major airports, large mining facilities and utilities or oil and gas plants located in hazardous environments. We are looking for a couple of RF Engineers to join the team, who have been have been developing comprehensive TETRA and LTE solutions tailored for users across multiple sectors to address their critical communication needs. You will be responsible for: Technical design and specification of RF circuitry for radio terminal products: Complete subsystem design and implementation Integration with Baseband, Audio and MMI subsystems Component specification and sourcing Design test documentation Schematic creation and PCB layout supervision Technical requirements...
IR35 Status:
Outside IR35

CV-Library Cambridge, UK Contractor
CL
Apr 18, 2026  
PSV Technician Cambridge *contractor
Roles - PSV Engineer / PSV Technician / PSV Mechanic / Bus Technician Location: Cambridge Pay Rate: £34.00 per hour Outside IR35 Do one of these roles describe you? Do you feel undervalued your current role? Are you an experienced PSV Mechanic? Are you available to start work right away? Why not come join our team of engineers here at Excel Resourcing, we specialise in supporting several blue-chip clients who operate in the road transport industry. Benefits of working for Excel: * Weekly Pay * Long-term contracting work * Product Training provided * Minimum Hourly Rate of £34.00 These roles involve: * Carrying out routine maintenance and repairs on all makes of PSV * Diagnosing and rectifying all types of PSV faults * Ensuring all vehicles worked upon are handled carefully and that the relevant precautions are taken whilst on the premises. * Liaising with the parts department to attain correct parts. * Ensuring health & safety regulations and safe...
IR35 Status:
Outside IR35

CV-Library Cambridge, Cambridgeshire Contractor
CL
Apr 17, 2026  
Electronics Engineer
Electronics Engineer - Contract Cambridge (Onsite) Outside IR35 Up to £85 per hour We are seeking an experienced Electronics Engineer to join a highly advanced engineering environment working on cutting-edge defence and security technology. This is a full-time onsite contract role based in Cambridge, offering the opportunity to work on complex, real-world challenges from concept through to delivery. You will be part of a multi-disciplinary team of engineers and scientists, developing innovative solutions across a wide range of projects, from early-stage proof of concept through to fully functional prototypes. The Role You will take ownership across the full product lifecycle, including requirements capture, design, development, testing and delivery. The work is varied, fast-paced and technically challenging, with a focus on electronics design, testing, and system-level hardware integration. Key Responsibilities Design, develop, and test electronic hardware from concept...
IR35 Status:
Outside IR35

CV-Library Cambridge, Cambridgeshire Contractor
CL
Apr 16, 2026  
Contract Electronics Engineer (Outside IR35)
Contract Electronics Engineer (Outside IR35) Cambridge – Onsite 5 days Rate dependent on experience Current SC Clearance desirable, DV clearance highly desirable. Join a specialist team designing next-generation hardware and software for secure communications and defence technologies. This is an opportunity to contribute your expertise on a contract basis, helping turn pioneering concepts into real-world prototypes. You’ll work across the full product life cycle, from capturing requirements and designing to developing, testing, and delivering working solutions. You’ll collaborate with multi-disciplinary teams of engineers, scientists, and designers on fast-moving, varied projects. The work spans early-stage prototypes to fully functional systems, offering both intellectual and practical challenges. This role is ideal for contractors who enjoy hands-on work and seeing tangible results from their efforts. We are looking for a real generalist, how has proven experience with a...
IR35 Status:
Outside IR35

CV-Library Cambridge, UK Contractor
CL
Apr 18, 2026  
RF Design Consultant
RF Design Consultant | Outside IR35 | £60-70p/h My client requires an experienced RF Design Engineer to provide expert-level hardware development and integration support for our next generation of high-reliability wireless terminals. The consultant will be responsible for the end-to-end design, simulation, and hardware-level optimisation of critical RF subsystems. Scope of Work & Deliverables: * Complete component-level schematic design and PCB layout supervision for high-power RF chains, specifically focusing on Power Amplifiers (PA), Low Noise Amplifiers (LNA), and Frequency Generation circuitry. * Perform detailed circuit and electromagnetic simulations using ADS or CST to predict performance and ensure first-pass success of matching networks and filter designs. * Deliver optimised hardware solutions operating across the 700MHz to 6GHz range, ensuring full compatibility with 5G/LTE/4G and WiFi standards. Required Technical Expertise: * Deep expertise in...
IR35 Status:
Outside IR35

CV-Library Milton, Cambridgeshire Contractor
CL
Apr 21, 2026  
Project Manager
Role: Project Manager Status: Contract, 12 months outside IR35 Location: Harlow Addison Project Plc are seeking a PSC contractor to provide Project Management services to support a project in Greater London. Workscope: * To Provide engineering design-based Project Management services from Front End through detailed design. * Full responsibility for the delivery to install a new process integrated into an operational manufacturing plant. Services to be provided: * Complete project management services from Front End through detailed design * Day-to-day client interface and stakeholder management * Provide guidance to client teams and the construction manager * Plan and control scope, schedule, cost and risk * Coordinate multi-discipline design (Process, Mech, EC&I, Civils/Struct) and constructability reviews. * Lead all on site activites, proactive client, design and construction team communication is key for this role *...
IR35 Status:
Outside IR35

CV-Library CM20, Harlow, Essex 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 21, 2026  
Senior Process Engineer
Senior Process Engineer- 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. Role: Senior Process Engineer (Contract – Outside IR35) Location: Harlow Contract: 12 months Start Date: Spring 2026 Workscope Addison Project Plc invites...
IR35 Status:
Outside IR35

CV-Library Harlow, Essex Contractor
CL
Apr 21, 2026  
Civil & Structural Design Engineer
Civil & Structural Design Engineer, Harlow, Contract 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. Role: Civil & Structural Design Engineer Location: Harlow Start Date: Spring 2026 Status: 6 months, Outside IR35 Workscope Addison Project Plc are...
IR35 Status:
Outside IR35

CV-Library Harlow, Essex Contractor
CL
Apr 23, 2026  
Contract Mechanical Technician
Redline has a fantastic opportunity for a Contact Mechanical Technician based in Colchester, Essex. This role has an indicative OUTSIDE IR35 determination therefore we can accept candidates who would like to operate through their own PSC. You'll be joining a global leader in the Electronics industry working at their R&D hub on products worth up to $1 million. You will be working on assembling and modifying machines to customer specifications, working to tight tolerances and within a high precision engineering environment. Key Skills Required - Contract Mechanical Technician based in Colchester, Essex: - Experience in Mechanical Assembly - Experience working in an engineering environment - Experience with mechanisms and movements For more information or to apply for the Contract Mechanical Technician opportunity based in Colchester, Essex, please contact Jack Kelly - (url removed) / (phone number removed) quoting reference JWK1071
IR35 Status:
Outside IR35

CV-Library Essex, UK Contractor
CL
Apr 22, 2026  
Quality Manager
Role - Quality Manager Work Type - Outside IR35 (Depending on IR35 determination) Day Rate - £600pd Overview We are seeking an experienced Quality Manager for our client, a major engineering EPC provider, to take full ownership of the Quality function across a major engineering and construction project. This is a senior leadership role responsible for ensuring all QA/QC activities are delivered safely, efficiently, and in full compliance with contractual and regulatory requirements. You will lead the quality team (including subcontractors), drive best practice, and act as the focal point for all quality-related matters across manufacturing and site-based activities.   Key Responsibilities Lead, manage, and coordinate all QA/QC activities across the project lifecycle Develop and implement quality plans to ensure efficient delivery and protection of commercial interests Act as the primary point of contact for internal teams, external stakeholders, and third-party inspectors on all...
IR35 Status:
Outside IR35

CV-Library Hertfordshire, UK Contractor
CL
Apr 18, 2026  
RD&T Software Engineer
Are you a RD&T Software Engineer? Do you have experience working directly with RD&T technology? Are you confident developing software tools for tolerance analysis, variation simulation, and robust design? If so, a market leader is currently looking for an RD&T Software Engineer on an Outside IR35 contract basis! RD&T Software Engineer OUTSIDE IR35 Contract Monday to Friday (Days) Leamington Spa RD&T Software Engineer Job Description: Develop and maintain software tools for tolerance analysis, variation simulation, and robust design, enabling engineers to evaluate product performance under real-world variability. Implement statistical models and algorithms (e.g., Monte Carlo simulation, Design of Experiments) to analyse variation, predict risk, and support data-driven design decisions. Integrate RD&T solutions with CAD and PLM systems Collaborate with cross-functional teams including design, manufacturing, and quality engineering to translate requirements...
IR35 Status:
Outside IR35

CV-Library Luton, UK Contractor
CL
Apr 18, 2026  
Contract Hardware Automation Test Engineer
Job Title: Contract Hardware Automation Test Engineer Location: Colchester Rate: £50 to £60 per hour Employment Type: Contract Working Arrangements: Onsite working (most of the work will be in the lab, flexibility when this is not required) Are you competent in performing manual and automated testing on electronic hardware? I’m supporting a Colchester‑based engineering team who are looking for a Contract Hardware Automation Test Engineer to join them on a 6‑month contract. You’ll be hands‑on in the lab, testing embedded hardware using oscilloscopes, multimeters, and other bench equipment. Once the manual test approach is understood, you’ll help automate it - and investigate any failures when tests don’t behave as expected. This role is ideal for someone who enjoys practical lab work, debugging, and building smarter, automated ways to validate hardware. What you’ll be doing * Performing manual testing on embedded hardware systems * Using oscilloscopes, multimeters, and standard...
IR35 Status:
Outside IR35

CV-Library CO1, Colchester, Essex Contractor
CL
Apr 18, 2026  
Project Manager - BMS (contract)
BMS PROJECT MANAGER (Contract) London (hybrid/flexible) | 6-12 months | £400-£500 per day (Outside IR35) We're working with a prestigious client in the building controls industry who are looking for an experienced BMS (building management systems) Project Manager to oversee a range of small to large-scale projects across London and the surrounding areas. This is a great opportunity for someone with strong BMS expertise who enjoys leading projects from start to finish, ensuring quality, budget and timescales are consistently achieved. What you'll be doing: Leading contract meetings and managing project status from handover through to completion Working closely with customers to understand and deliver site-specific requirements Providing technical guidance to clients and colleagues across BMS projects Managing budgets, supplier orders and ensuring efficient project cash flow Designing control strategies, point lists and system descriptions for commissioning teams Staying up...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Apr 23, 2026  
Salesforce Engineer | £400 – £450 | Outside IR35 | 6 Months | Remote First
Salesforce Engineer | £400 – £450 | Outside IR35 | 6 Months | Remote First   We’re recruiting for an experienced Salesforce Engineer for a 6-Month contract role. This position will play a key role in leading Salesforce refactoring, modernising backend systems, and driving modern engineering practices across our clients platform. Offering £400 - £450 per day, this role is determined as Outside IR35 and may require occasional travel to the office most local to you.   Key Requirements Take ownership of large‑scale Salesforce Apex refactoring and backend process improvements Enhance Salesforce integration architecture, reliability, CI/CD, and automated testing Drive modern engineering practices and support AI‑assisted development tools Resolve technical debt, improve performance, and ensure scalable architecture Requires strong Salesforce Apex, Java, CI/CD, integrations, automation, and refactoring experience Previous experience working in Fintech or regulated environments is...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 17, 2026  
Contract Senior Structural Engineer
Contract Senior Structural Engineer (OUTSIDE IR35) Central London c£45 p/h 12 months Immediate Start Contract Senior Structural Engineer **OUTSIDE IR35** A major engineering consultancy in Central London is currently looking to recruit a Senior Structural Engineer for a minimum of 12 months. Our client is a leading London consultancy who have an excellent market presence. The successful Structural Engineer will be given the opportunity to work on major Healthcare refurbishment project. Previous large scale buildings design experienced would be advantageous. Ideally our client is looking for someone with strong refurbishment knowledge and good working knowledge of Masterseries software package. Steel work experience will also be looked upon favourably. Hybrid working can be offered. The ideal applicant will have an excellent track record as a structural engineer and ideally have a minimum of 10 years design experience. On offer is an immediate start with excellent...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 16, 2026  
AI Engineer (Contract) – GCP / Startup Experience – Hybrid London
What We’re Looking For Strong experience as an AI / ML Engineer or Applied ML Engineer Deep hands-on knowledge of Google Cloud Platform (Vertex AI, BigQuery, Cloud Run, GKE, Pub/Sub) Proven track record building LLM, GenAI, or traditional ML solutions end-to-end Comfortable in startup or scale-up environments — fast-moving, iterative, delivery-focused Strong Python engineering experience Experience with MLOps, CI/CD, IaC, and productionising ML models Ability to work collaboratively with product, data, and engineering teams Contract Details Location: Hybrid London (2–3 days onsite) Start Date: ASAP Length: 6 months rolling Day Rate: Competitive (Outside IR35)
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 14, 2026  
Mechanical Estimator
My client requires a Mechanical Estimator to work a mix from home and the clients offices in Central London on a long term contract basis. Paying between £(Apply online only) a shift + Outside IR35 + Working from Home and client office in Central London. You will need 5 years experience as an Mechanical Estimator with a proven track record of tendering on commercial projects. As an experienced Mechanical Estimator you will be conversant on Amtech or Trimble software and have the ability to produce accurate tenders. You will need to be Mechanically biased or qualified, ideally to HNC/HND level and have a minimum of 5 years’ experience in a similar position and be comfortable producing tenders with values ranging from £1mill - £3 million In return you can expect to work for a financially stable company who can provide real, long term stability and supportive work colleagues. Starting salary £(Apply online only) a day + Outside IR35 + working a mix from Home and the clients offices....
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 14, 2026  
BMS Service Engineer
BMS Service Engineer Contract 3 – 6 months London & M25 We are offering an accomplished BMS Service Engineer £38 - 45 per hour (outside IR35) to join a well-established Controls company on a contract to cover London and the M25 area. This is an initial 3 – 6 month contract with potential to extend further. The BMS Service Engineer position:- As a BMS Service Engineer, you will need to demonstrate exceptional technical understanding of BMS, in particular Trend control systems.   Your duties will include carrying out service and maintenance on BMS Control systems along with small works.  You will be expected to work independently using your own skill and initiative as well as part of a larger team of engineers when required. Key skills of the BMS Service Engineer:- Exceptional technical knowledge and experience of the BMS sector. Proven experience of carrying out servicing and small works on BMS Controls Systems. Qualifications and experience with Trend control systems....
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 14, 2026  
BMS Project Manager
We have a fantastic contract opportunity for an experienced BMS Project Manager to join an exciting project in London. On offer for the successful BMS Project Manager is a 12 month contract, £350 - £450 per day, and the opportunity to work for a successful BMS intelligent integration business. The BMS Project Manager role:- As a BMS Project Manager, you will be a highly skilled, professional and driven individual who has a wealth of knowledge and background in the BMS sector. You will be required to liaise confidently and positively with the client delivering a fantastic service, attending progress meetings, managing sub-contractors, commissioning engineers, and covering all aspects of project management. To apply you must have a proven track record of managing large BMS projects. Key Skills required of BMS Project Manager:- * Exceptional knowledge and background in the BMS industry. * Proven track record of managing large BMS projects, all aspects. * Strong commercial and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
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