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Contractor 79
Outside IR35 Witham

79 jobs found in Witham

CL
Apr 24, 2026  
HMI PLC-SCADA AUTOMATION ROLES X6
All these roles are OUTSIDE IR35 and Expenses are payable. ROLE #1 An experienced automation engineer with a marine background, who can read P&IDs and configure graphics and datapoints using InkScape or similar. • Experience with InkScape • Proven ability with WINMON would be desirable. • Knowledge of HMI design. • Familiarity with SCADA or DCS control systems. • Familiarity with P&ID drawings. • Experience of structured programming languages an advantage e.g. C, C++, Structured Text. • Competent in computer technology and Ethernet network. • Ability to work well within a team whilst at the same time demonstrating initiative and the ability to work without supervision. • Ability to interpret complex documents • Low level programming is a requirement, along with network experience. ROLE #2 Deep understanding of programming languages such as C/C++, Structured Text (ST), etc. and must be open to learn the WINMON language. The automation coder should ideally have experience...
IR35 Status:
Outside IR35

CV-Library Heybridge, Maldon CM9, UK 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 15, 2026  
Contract Applications Developer (C++ & QT)
Job Title: Contract Applications Developer – C++ / Qt Location: Colchester Rate: £55 - £60 per hour (indicative, outside IR35) Contract Length: 3–6 months Working Arrangements: Primarily on-site, with some flexibility depending on project phase Overview An established technology company based in Colchester is looking for an experienced Applications Developer to support a range of embedded, GUI-driven software projects. Working within a multidisciplinary engineering team, you will focus on delivering high-quality application features, user interfaces, and on-screen display tools using C++ and Qt, closely integrated with embedded hardware systems. This role is assessed as outside IR35, making it suitable for contractors operating via a Personal Service Company (PSC). Key Responsibilities Develop and enhance GUI and application-level features using C++ and Qt for embedded platforms Build on-screen display tools and front-end components for hardware-integrated applications...
IR35 Status:
Outside IR35

CV-Library Colchester, UK Contractor
CL
Jan 14, 2026  
Aircraft Fitters
MPI have a requirement for Aircraft Fitters to work on site in at Stansted Airport. Our client requires 4 Aircraft Fitters per day from the 12th January 2026 through to the 18th December 2026 (as with all contracts, this may be subject to change) In addition, they require a further 4 Aircraft Fitters to work opposite shifts to cover the whole roster. The Working hours are 07.00 - 19.00 Working the following shift pattern 5 on 5 off 4 on 5 off 5 on 4 off Then this cycle repeats itself from top. 5 on 5 off 4 on 5 off 5 on 4 off Rate of pay is £29.00 per hour limited. Our client has advised that as well as the shifts above, there are extra hours available each week (Overtime is not guaranteed). This contract is deemed outside of IR35 You will require your own tools as well as current Human Factors, EWIS and Fuel Tank Safety certificates. The successful candidate will be a self-motivated individual with experience working in a Base Maintenance environment Required Qualifications &...
IR35 Status:
Outside IR35

CV-Library Stansted Mountfitchet, Essex 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 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 26, 2026  
Employee Services Advisor
Pensions Specialist - 12 Month Contract Location: London (Hybrid - 2 days onsite, Tuesdays mandatory) Rate: £33.93 per hour (Umbrella) Start: ASAP Overview An opportunity has arisen for an experienced Pensions Specialist to support the delivery and transition of LGPS administration within a large public sector Shared Services environment. This role will focus on delivering high-quality pension administration and embedding sustainable processes for long-term service delivery. Key Responsibilities Deliver end-to-end LGPS administration (starters, leavers, retirements, estimates) Perform complex pension calculations, including CARE schemes Manage and resolve technical LGPS queries Review submissions to third-party administrators Work closely with Payroll and HR teams Produce and maintain process documentation and guidance Support stakeholder engagement and service transition into BAU Essential Requirements Recent, hands-on LGPS administration experience (essential) Strong...
IR35 Status:
Outside IR35

CV-Library Ilford, London Contractor
CL
Apr 26, 2026  
PMO Lead
PMO Lead - Major Infrastructure Programme Location: Dartford (Hybrid - 3 days on-site, Tuesday to Thursday) Rate: £650 per day (Outside IR35) Duration: 12 to 18-month contract A Tier 1 construction firm is seeking an expert PMO Lead to establish and manage a critical, multi-million-pound programme. This isn't a "maintenance" role; we require an architect who can design the governance framework from the ground up and drive the operational rhythm to ensure delivery excellence. You will act as the "conscience of the programme," providing the executive team with the transparent data and insights needed to make high-stakes strategic decisions. Key Responsibilities Define and embed the PMO operating model, including governance standards, reporting cycles, and quality assurance frameworks. Develop and oversee complex, multi-workstream schedules, ensuring all dependencies and critical paths are visible and managed. Lead the identification and mitigation of Risks, Issues,...
IR35 Status:
Outside IR35

CV-Library Dartford, Kent Contractor
CL
Apr 03, 2026  
Stock Condition Surveyor/DEA
Are you looking for work within the Building Surveying industry? Look no further! 1st Select are looking for an experienced Stock Condition Surveyor / Domestic Energy Assessor who would be able to carry out detailed inspections of houses and flats, both internally as well as externally. Our client is a leading Consultancy in the Surveying industry, that has won a large contract covering Hackney and we are looking for 2 Stock Condition Surveyors/DEAs to partake in this program. Responsibilities/requirements will include… Stock Condition Surveying Experience Experience with lodging EPCs HHSRS Experience Benefits for the worker Gain more experience in the building surveying industry Flexible working hours *Payment outside of IR35* This will be a 3-month contract with the possibility of leading on to additional work. If this fits your area of expertise, please contact Lucy Saphier
IR35 Status:
Outside IR35

CV-Library Hackney, Greater London Contractor
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 01, 2026  
Stock Condition Surveyor
Are you looking for work within the Stock Condition Surveying industry? Look no further! 1st Select are looking for an experienced Stock Condition Surveyor who would be able to carry out detailed inspections of houses and flats, both internally as well as externally. Our client is a leading Consultancy in the Stock Condition Surveying industry, that has won a large contract covering Cambridge and we are looking for 3 Stock Condition Surveyors to partake in this program. Responsibilities/requirements will include… Stock Condition Surveying Experience HHSRS Experience RDSAP Experience Benefits for the worker Gain more experience in the building surveying industry Flexible working hours *Payment outside of IR35* This will be a 6-month contract with the possibility of leading on to additional work. If this fits your area of expertise, please contact Mackenzie Brooke
IR35 Status:
Outside IR35

CV-Library Cambridge, Cambridgeshire Contractor
CL
Apr 25, 2026  
Quantity Surveyor
Are you a Rail Quantity Surveyor with experience working on High Speed projects?   Do you have experience working on NEC4 contracts?   This is an excellent opportunity for a Quantity Surveyor to join a rail contractor on the delivery of high speed projects. The ideal candidate will have experience managing the fully life cycle of projects within a framework.   Rate: £400/day, Outside IR35 Location: Sidcup, potential hybrid working Duration: 6 month, rolling contract   Due to growth, my client is looking to add a Quantity Surveyor to their team to manage the commercial aspects of an exclusive 8-year framework as the sole supplier for all building and renewals work on High Speed 1. This is a massive opportunity to join a dedicated team at the very beginning of a landmark project.   Unlike typical maintenance roles, this position is heavily focused on projects, giving you the chance to manage the full life cycle of schemes valued in the millions. You won't be a small cog...
IR35 Status:
Outside IR35

CV-Library New Eltham, London, UK Contractor
CL
Apr 23, 2026  
Integration Engineer (must be eligible for SC clearance)
Integration Engineer (must be eligible for SC clearance) £550 per day Outside IR35 Contract / 6 months Hybrid - 3 days a week in Stevenage The Company Akkodis is a global leader in engineering, technology, and R&D, harnessing the power of connected data to drive digital transformation and innovation for a smarter, more sustainable future. As part of the Adecco Group, Akkodis employs over 50,000 engineers and digital specialists across 30 countries in North America, EMEA, and APAC. Our teams bring extensive cross-sector knowledge in critical technology areas such as mobility, software services, robotics, simulations, cybersecurity, AI, and data analytics, enabling clients to tackle complex challenges in today's rapidly evolving markets. The Role I am looking for an experienced Integration Engineer to join our software & integration team. In this role, you'll be responsible for the discovery, design, and documentation of integrations across our cloud platforms,...
IR35 Status:
Outside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Apr 26, 2026  
Medical Director
Talentmark is recruiting for a Medical Director to join a company in the pharmaceutical industry on a contract basis for 9 months.   Salary: Paying between £95 - £115 per hour Ltd/Umbrella - outside IR35   Medical Director role: Support cross-functional teams to design and execute clinical development plans across all phases of drug development, but with a focus on Phase 3. Provide medical monitoring support for ongoing clinical studies. Closely interface with cross-functional colleagues representing clinical operations, safety, clinical pharmacology, biostatistics, regulatory, research, biomarkers, and others. Support external engagements with advisory boards, site investigators, health authorities, and other key stakeholders.Your Background: You have an MD or MD/PhD with at least 5 years of experience in longitudinal clinical research, including experience in clinical trials (in an industry or academic setting). You are an excellent oral and written communicator. As a...
IR35 Status:
Outside IR35

CV-Library Welwyn Garden City, UK Contractor
CL
Apr 24, 2026  
Global Clinical Program Manager
Talentmark is recruiting for a Global Clinical Program Manager to join a company in the pharmaceutical industry on a contract basis for 12 months.   Salary: Paying from £450-£650 per day Ltd co (outside IR35)   Global Clinical Program Manager role: Be a core member of molecule/disease area teams and drive drug or disease area development programs.   A molecule-level role, with programs in late clinical development (phase III) - filing/launch - on market and mature products. Working on clinical development program management. Maintain program and project management guidelines, standards, and tools as required.Your Background: Experience in leading drug development programs. Exposure to late phase clinical program management, including activities like filing/launch, for on-market and mature products. Experience in global clinical programs and projects, particularly related to drug development. Evidence of Strategic thinking and approach, able to set clear objectives and a...
IR35 Status:
Outside IR35

CV-Library Welwyn Garden City, UK Contractor
CL
Apr 23, 2026  
Cyber Security Engineer
Cyber Security Engineer Day Rate: £500 - £550 per Day (Outside IR35) Duration: 3 Months + Likely Extension Location: London (hybrid working) My client is a rapidly growing global organisation offering a range of services to the Professional Services sector globally. They are recruiting for an experienced hands-on Cyber Security Contractor to support their security operations and compliance initiatives, working closely with their internal Security team to strengthen their cyber resilience and ensure adherence to UK standards. Key Duties: * Implement, manage and actively monitor security controls across e-mail, endpoint, and cloud environments * Monitor and respond to security incidents using advanced threat detection tools * Assist with compliance activities and audits for ISO27001, Cyber Essentials & Cyber Essentials Plus certification * Provide technical expertise on security best practices and risk mitigation * Collaborate with IT and business teams to...
IR35 Status:
Outside IR35

CV-Library EC2N, Lime Street, Greater London Contractor
CL
Apr 25, 2026  
Quantity Surveyor
Quantity Surveyor | Water Sector Contract: Long‑term, Outside IR35 Location: Maidstone, Kent (Flexible Hybrid) Our client in the water sector is seeking an experienced Quantity Surveyor to support commercial operations across a range of infrastructure and operational projects. This long‑term contract offers the opportunity to play a key role in cost management, financial reporting, and commercial governance within a fast‑paced, essential services environment. Hybrid working is available, with regular presence required at the Maidstone office. Key Responsibilities Produce regular cost and revenue reports to support financial oversight Maintain accurate daily work records and commercial documentation Prepare and manage Schedule of Rates pricing Reconcile subcontractor accounts and prepare payment certificates Support valuations, cost tracking and commercial forecasting Liaise with operational and planning teams to monitor progress and scope Price completed works across...
IR35 Status:
Outside IR35

CV-Library Maidstone, UK Contractor
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