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Contractor 293
Inside IR35 Leiston

293 jobs found in Leiston

CL
May 13, 2026  
Software Developer - Java
Java Developer - 3 Months - Inside IR35 My client, a leading global technology organisation is looking for an experienced Software Engineer to support a range of large‑scale, business‑critical platforms. You'll join a collaborative engineering team working on high‑availability systems used across the UK, contributing to new feature development, platform enhancements, and ongoing operational performance. About the Role You will work as part of an agile cross‑functional team delivering robust, secure, scalable software solutions. The role covers developing new application features, updating existing systems, supporting deployments, and ensuring smooth operation of live services. Key Responsibilities Maintain, enhance, and secure existing Java applications Design and develop new applications, features, and microservices Build and maintain automated test suites using TDD principles Create and manage CI/CD pipelines Support monitoring, troubleshooting, and live operational issues...
IR35 Status:
Inside IR35

CV-Library Ipswich, Suffolk Contractor
CL
May 14, 2026  
Complaints Coordinator
Job Title: Complaints Coordinator Location:  Essex (SS13 3DU) Alternative Work Locations: Westminster Bridge Road Ealing Job Type: Temporary Pay Rate: £14.34 per hour Start Date: 15 December 2025 End Date: 31 March 2026 Working Hours: 7 hours per day Monday to Friday About the Role We are recruiting a Complaints Coordinator to manage and coordinate customer complaints within a housing environment. You will play a key role in ensuring complaints are handled efficiently, fairly, and in line with regulatory standards. This role requires strong communication skills, attention to detail, and the ability to manage sensitive situations professionally.   Key Responsibilities Manage and coordinate incoming customer complaints Assign cases to appropriate team members for investigation Monitor complaint progress and ensure timely resolution Process compensation claims in line with company policies Maintain accurate records using CRM systems Communicate with...
IR35 Status:
Inside IR35

CV-Library Essex, UK Contractor
CL
May 10, 2026  
Chief Engineer - Directed Energy / High Power RF
Chief Engineer - High Power RF / Directed Energy Location: Chelmsford, Essex (Hybrid - 2 days onsite) Rate: £800 - £1000 per day (Inside IR35) SC Cleared 12 Month Contract Overview We are seeking a highly experienced Chief Engineer to act as a technical authority within high-power RF and directed energy systems. This is not a traditional delivery role tied to a single product. Instead, you will operate across a portfolio of customer-funded research and development programmes, shaping capability, guiding technical direction, and supporting the development of next-generation high-power sub-systems. Due to the specialist nature of the work, we are open to individuals looking for either a permanent position or a short-term/advisory engagement. The Role You will provide technical leadership across high-power and RF sub-systems, supporting activity from early concept through to demonstration and low-rate production. Key responsibilities include: Acting as the technical...
IR35 Status:
Inside IR35

CV-Library Chelmsford, Essex Contractor
CL
May 13, 2026  
Science Program Manager
Program Manager Location: Cambridge, United Kingdom (3 days onsite, 2 days remote) Employment Type: Inside IR35 agency Contract- 12 months Pay: 42-44 pounds per hour Role Overview This position plays a critical role in translating frontier research into real-world impact. As a Technical Program Manager, you will work in service of a world-class research lab, acting as the interface between researchers and strategic partners. This role is responsible for leading early access programs and customer-facing engagements that connect cutting-edge AI for Science capabilities with partners in industry and academia. The position requires a passion for how AI advances sciences and an ability to manage milestones and deadlines in a research environment. Key Responsibilities * Lead the design and execution of Research Early Access Programs (REAP), translating frontier AI for Science research into high-impact partner engagements. * Serve as the interface between the research...
IR35 Status:
Inside IR35

CV-Library CB1, Cambridge, Cambridgeshire Contractor
CL
Feb 19, 2026  
Program Management Officer 36368483
PMO Analyst (Project Portfolio & Governance) Sector: Engineering / Infrastructure / Technology £27 per hour Umbrella *INSIDE IR35* 12 Month Contract Coventry   We are looking for a highly analytical PMO Analyst to join our portfolio team. This is a pivotal role where project governance meets digital innovation. You won't just be tracking milestones; you will be building the dashboards and reporting frameworks that drive multi-million-pound decision-making across our entire project estate.   The Role As the PMO Analyst, you will act as the "engine room" for our project portfolio. Your role  is to ensure governance is robust, schedules are aligned, and data is visualized in a way that tells a clear story to our stakeholders. From JQL scripting in Jira to architecting Tableau dashboards, you will be the technical expert who ensures our delivery stays on track.   Key Accountabilities: Support the implementation of portfolio-wide standards, document control, and rigorous...
IR35 Status:
Inside IR35

CV-Library Coveney, ELY CB6, UK Contractor
CL
May 09, 2026  
Electronics Test Engineer
Role: Electronics Test Engineer Location: Haverhill, Cambridge. CB4 0AB Duration: 3 months with possible extension IR35 Determination: Inside Rate: Negotiable on experience (umbrella) High Level Summary: This is an exciting role with our client based in the Cambridge UK office. You will be part of a key Boards engineering team developing hardware for Network cards, which are used for cloud and hyperscale data centre operators and for AMD's AI systems We are looking to hire a Test Engineer/Technician who can: Assist on assembling, testing and commissioning Production Test Fixtures to test PCIe Network cards. This may require limited soldering required for assembling cable harnesses used in the fixtures. Support release of production firmware to the manufacturing site by running candidate release on the Test fixtures as per an agreed test plan. Support Design Validation, debug of Network cards under supervision of other team members. XJTAG is used for low level production...
IR35 Status:
Inside IR35

CV-Library Cambridge, Cambridgeshire Contractor
CL
May 08, 2026  
Mechanical Design Engineer Urgently Required
Inventor and Windchill experiece is essential. Develop and deliver mechanical designs from concept through to initial release using Autodesk Inventor, producing high-quality 3D models, drawings to BS8888 with appropriate GD&T, ensuring technical rigour and traceability. Manage design data within Windchill PLM, including part creation, structures and BoMs, ensuring accurate configuration control and timely release of design documentation in line with company processes. Ensure designs meet requirements, standards and manufacturability expectations through effective self-checking and collaboration with stakeholders, supporting a smooth and compliant initial release. This role is inside IR35 with flexible hybrid working arrangements
IR35 Status:
Inside IR35

CV-Library Cambridge, UK Contractor
CL
May 10, 2026  
Hr Advisor
Job Title: HR Advisor Location: Dunton, Essex (4 days onsite per week) Rate: £26.81ph via an Umbrella Company (increasing to £34.83ph after 12 weeks) Employment Type: Contract 31.12.2026 Hours: 37.5 Reference: F56487 Position Description: HR Advisor These roles offer a significant opportunity to strategically partner with People Leaders and HR Centres of Excellence (CoEs) across various parts of the organisation. You will be instrumental in shaping the employee experience, driving key people priorities, and delivering impactful HR projects that directly contribute to organisational success and reinforce the company behaviours. Skills Required: * HR Advisor experience * Demonstrated ability to build strong, trusted relationships and influence stakeholders. * Exceptional communication (verbal and written), interpersonal, and active listening skills. * A proactive, customer-centric, and solutions-focused approach. * A passion for continuous improvement,...
IR35 Status:
Inside IR35

CV-Library Basildon, Essex Contractor
CL
May 08, 2026  
Senior Mechanical Engineer (contract)
Senior Mechanical Engineer Basildon, Essex (1 day/week on site) £53ph (Inside IR35) Initial 6 month contract **Please note we can only consider sole UK Nationals for this role** We are currently looking for a Senior Mechanical Engineer to join the Precision Guidance Integrated Project Team (IPT), working on equipment for the next generation of Missile Seeker Programmes. What you'll do as a Senior Mechanical Engineer: Support senior members of staff in the delivery of technical solutions on critical Business Programmes. Generation of mechanical solutions to relevant company and international standards. Design of engineering solutions taking into account all requirements including product quality, safety, reliability, testability, sustainability, etc. Mechanical engineering detailed design, including numerical calculations, tolerance studies, etc. Produce Manufacturing Data Packs in line with BS8888 including appropriate application of GD&T. Generate BoM within approve PLM...
IR35 Status:
Inside IR35

CV-Library Basildon, Essex Contractor
CL
Apr 17, 2026  
Functional Safety Systems Engineer
RLE International is working on behalf of their Essex based Automotive Client, who are currently looking for a Functional Safety Systems Engineer to support their team. Position Description: Rate: £29.59 (via Umbrella PAYE) – increasing to £38.38 after 12 weeks under AWR’s (Agency Worker Regulations) Our client is seeking a Functional Safety Systems Engineer to join their core team in the Essex. You will be a key player in ensuring complex, distributed technologies including powertrain, infotainment, and active safety meet the highest safety standards. Using Model-Based Systems Engineering (MBSE), you will bridge the gap between research and production, turning "what if" into "what’s next." As a key member of an exciting team leading Functional Safety activities in Product Development, this role involves working with technology subject matter experts to conduct Functional Safety analysis using efficient model-based systems engineering (MBSE / SysML) tools. Additionally, you will...
IR35 Status:
Inside IR35

CV-Library Basildon, Essex Contractor
CL
May 09, 2026  
Electrical Controls and Instrumentation Supervisor
NW33280 Site Supervisor (Electrical Controls & Instrumentation) £500 - £550 (Inside IR35) Tilbury, Essex Duration: 12-month contract Target Start Date: June 2026 Alecto Recruitment is partnering with market leading Energy from waste company and together we are seeking an experienced EC&I supervisor for their ongoing project in Essex. Role and Responsibilities Oversee all EIC activities on site, covering electrical, instrumentation, and control systems. Serve as the primary on‑site liaison between contractors, site leadership, and engineering teams. Support installation, testing, and commissioning to ensure key programme milestones are achieved. Drive safe, efficient delivery in line with project schedules and quality expectations. Provide hands‑on leadership to ensure work is completed correctly the first time. Champion and enforce HSEQ standards, ensuring all activities follow approved RAMS. Coordinate subcontractors and vendors to maintain progress and resolve...
IR35 Status:
Inside IR35

CV-Library Tilbury, Essex Contractor
CL
May 13, 2026  
Port Health Technical Officer
Port Health Technical Officer – London  £19.77 PAYE / £25.74 Umbrella (Inside IR35) Full Time – 4 Week Rolling Shift Pattern Ongoing Contract We are currently recruiting for a Port Health Technical Officer to join a busy Port Health Service based in London, with travel required across Thurrock and Tilbury.  This is a varied, task-based role combining detailed administrative work with operational duties in a live port environment. You will play a key role in the control and inspection of imported goods, supporting Port Health Officers and working closely with external stakeholders. The role offers limited hybrid working following an initial fully office-based induction period (approx. 12 weeks), after which a rota-based 60/40 office/home split is introduced. Responsibilities Processing large volumes of data and documentation using internal IT systems Cross-checking import documentation against shipments and regulatory requirements Managing emails, records, and database...
IR35 Status:
Inside IR35

CV-Library West Thurrock, Grays, UK Contractor
CL
May 13, 2026  
Supplier Quality Engineer
Supplier Quality Engineer 6 month contract Based in Stevenage - hybrid Offering £45ph Inside IR35 Do you have experience with AS9100 standards? Do you have quality experience in Manufacturing and Supply Chain environments? 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 Supplier 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: Complete scheduled Quality Assurance audits at suppliers using standardised tools Conduct thorough verification/inspection of products to ensure they meet the required quality standards Identify and document any non-conformities in the manufacturing process and deviations from the product specifications...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
May 10, 2026  
Electronics Engineer
On behalf of our client, we are looking for a Electronics Engineer to join them on an initial 12-month basis. As Electronics Engineer you will join the Calibration & Maintenance Team, to service Electrical and Electronic Test Equipment, including Special to Type Test Equipment. Some of these tasks include fault finding and repair of test equipment, supporting routine calibrations, commissioning of Test Equipment and drift analysis. Role: Electronics Engineer Pay: £32 -£35 per hour via Umbrella Location: Stevenage Contract: 12 months (possible extension) IR35 Status: Inside Security Clearance: SC Clearence needed however can start on BPSS Skillset/experience required: Minimum qualification: HNC/HND in Electrical & Electronics Engineering. Experience and knowledge in the calibration of test equipment and maintenance of test systems to component level. Able to utilise instructions, handbooks, drawings or specifications to provide technical advice/guidance. Able to use...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
May 09, 2026  
Operations Quality Assurance Engineer
MERITUS are recruiting for a Operations Quality Assurance Engineer to join our Defence and Space client at their Stevenage site. OPERATIONS QUALITY ASSURANCE ENGINEER - INSIDE IR35 - £32 PER HOUR - 6 MONTHS - LIKELY EXTENDED - 1 STAGE INTERVIEW PROCESS An opportunity has arisen for an Operational Quality Assurance Engineer to join a highly specialised defence and space manufacturing environment in the UK. The Quality function plays a critical role in ensuring that customer and regulatory requirements are met across the full spacecraft production lifecycle, including manufacturing, assembly, integration, and test. This position sits directly within the production environment and is responsible for driving quality standards, preventing defects, and ensuring compliance in complex, high-value hardware programmes. Key Responsibilities Take full ownership of quality assurance activities within a designated production area Conduct critical inspections and witness key manufacturing...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
May 07, 2026  
Building & Construction Project Leader
Building & Construction Project Lead + 12 month project + Mainly remote working + Onsite in Stevenage as required + £44 per hour Inside IR35 Key Skills: Strong Project Manager with construction experience SMSTS or CCNSG would be useful NEBOOSH experience useful Ability to be able to come on site when needed Role Description Set-up and manage Multi-Functional Project Teams to deliver projects in accordance with internal requirements and compliance to AIRBUS procedures. Lead MFTs through the detailed design of Building Services for a range of projects including major plant replacement and refurbishment works. An awareness of the associated maintenance and operation of engineering services including condition surveys, service delivery audits and preparing plant replacement/life cycle plans would be a distinct advantage. Application of industry standard design and calculation software Liaising with clients, architects and other design team members. Preparation of reports,...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
May 07, 2026  
Production Technician
Role Title: Production Technician Duration: 6 months contract with potential for Perm Location: Stevenage Rate: £16.00 for 12 weeks then raising to £16.41 PAYE inside IR35 Role purpose / summary The working days and hours are from Monday to Friday and 7.30/8.00 to 4.30/5.00 depending on the needs of the business. Overtime is paid. Your Responsibilities: Undertake the routine manufacturing activities to produce membrane products. Perform daily lab activities including calibrations and checks using appropriate records and logs. Provide support for NPI introduction including method transfer and validation activities. Assist in compliance inspections and EHS program implementation to maintain high level of EHS compliance. Aware of and comply with the GEHC Quality Manual, Quality Management System, Quality Management Policy, Quality Goals, and applicable laws and regulations as they apply to this job type/position. Undertake training in all Q/C processes required for all membrane...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
May 07, 2026  
Systems Engineer Manager
World Class Defence Organisation is currently looking to recruit a Head of FCAS Systems Design Co-Ordination ( Systems Engineer Manager ) subcontractor on an initial 6 month contract.    This position would suit a candite from the Defence / Aerospace industries and from a Systems Engineering Management background.   Rate: £80.00 per hour Location: Bristol, Stevenage or Bolton, depending on your preference.  Hybrid / Remote working: Hybrid, 3 days per week onsite (the department can offer a compressed 4 day week of Monday to Thursday) 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) Interview process: 1 stage video interview Head of FCAS Systems Design Co-Ordination Job Description:   FCAS is one of the largest, most exciting and challenging programmes within Defence – to design and deliver a Future...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
May 07, 2026  
Business Analyst
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a Business Analyst subcontractor on an initial 6 month contract.  The role will be a hybrid position of 1-2 days in office, rest of the week remote.   Rate: £34.87 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: Hybrid, 1-2 days per week onsite and the rest remote from home. The department can offer a compressed 4 day week of Monday to Thursday) Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)   Job Description:   The CAFM Business Analyst is responsible for establishing structured project delivery, documentation standards, and operational processes for the CAFM function. The role will define requirements, process maps, governance frameworks, and change management structures to support...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
May 07, 2026  
FCAS Head of Systems Design
Head of FCAS Systems Design Co-Ordination inside IR35 can be based out of Stevenage or Bristol or Bolton Candidates must be eligible for UK Eyes Only SC Skillset/experience required: Demonstrable ability to form and maintain strong relationships within both the sector and with our external partners Strong leadership to be able to develop individuals roles on project and ensure they have the right opportunities Excellent understanding of multiple stakeholder needs and how these align within a wider business context to aid effective decision making Ability to influence and drive a narrative Fantastic attention to detail along with excellent organisational and communication skills Overview of department: FCAS is one of the largest, most exciting and challenging programmes within Defence - to design and deliver a Future Combat Air Programme for the RAF in record time. The key cornerstone of FCAS is the Global Combat Air Programme (GCAP), which sees the UK working with our...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
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