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Contractor 26
Engineering Inside IR35 Rochester

26 jobs found in Rochester

CL
May 24, 2026  
Electronics Design Engineer (HV Design)
We are recruiting for an Electronics Design Engineer (HV Design) to join our London-based manufacturing client in 6-month rolling contract role inside IR35 (through umbrella). As an Electronics Design Engineer (HV Design), you will be responsible for providing high-voltage (HV) design expertise, including creepage and clearance considerations, as well as validation activities. You will assess and develop solutions for HV clearance challenges at the PFE level and within HV switch designs. THE SUCCESSFUL APPLICANT * Degree in electrical/electronic engineering; at least 8 years of experience. * Must have end to end HW product development experience involving complex electronics with deep knowledge and strong hands-on experience in: * Power electronics (DC-DC converters up to 5kW, HVDC systems). * High-voltage engineering (design, validation, standards compliance). * Thermal/mechanical integration for high-power systems. * Experience in electronics design within a regulated...
IR35 Status:
Inside IR35

CV-Library SE10, Peninsula, Greater London Contractor
CL
Jun 20, 2026  
BI Engineer / AWS Engineer - AI / ML
I am recruiting for a BI / AWS Engineer to work on a remote basis with occasional travel to London or Swindon (once a month). The role falls inside IR35 so you will be required to work through an umbrella company for the duration of the contract. I am searching for an experienced Business Intelligence Engineer / AWS Data Engineer to support the development of a modern data platform and contribute to emerging AI-driven initiatives. This role will suit someone with a strong foundation in AWS data engineering and BI, alongside practical exposure to AI/ML concepts or tools. You must have strong hands-on experience in: AWS Data Engineering stack (e.g. Glue, S3, Lambda, Redshift, Athena) SQL (advanced level) Python (for data processing and pipeline development) Infrastructure / tooling exposure (e.g. Terraform, APIs, CI/CD beneficial) Experience working in Business Intelligence / analytics environments Candidates must demonstrate some level of exposure to AI/ML, such as: Working...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Jun 21, 2026  
Senior Quantity Surveyor
Job Title: Senior Quantity Surveyor (Freelance) Location: North London (multiple sites) Contract Type: Freelance Contract Rate: £550 – £650 per day – INSIDE IR35 Company Overview We are recruiting for an experienced Senior Quantity Surveyor to support the delivery of civil engineering and infrastructure projects across North London. This opportunity sits with a well-established Tier 1 contractor operating across sectors including water, utilities, transport, and energy. The business delivers projects through long-term frameworks, standalone schemes, and reactive works, offering exposure to a diverse range of project types and environments. This is a great opportunity to join a high-performing commercial team on a contract basis, supporting key infrastructure projects with an immediate start. The Role As a Senior Quantity Surveyor, you will take responsibility for the commercial management of multiple projects across various sites in North London. This is a hands-on role...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 14, 2026  
SC Cleared Senior Data Engineer
Senior Data Engineer | £650 - £700 Inside IR35 | Hybrid | London We are looking for an experienced Senior Data Engineer to join a high-profile project delivering modern data solutions within a secure environment. This is a hybrid role which will require you to be on site 2 days per week in London. Active SC Clearance is mandatory for this role – candidates without current SC clearance cannot be considered Key Responsibilities Design and build scalable data pipelines Work across large-scale data platforms and cloud environments Collaborate with engineering and architecture teams to deliver high-quality solutions Key Skills & Experience Strong experience with Python and PySpark Hands-on expertise in AWS Experience working with Databricks Ideally 5+ years working with this tech stack as a data engineer Proven background delivering data engineering solutions at scale If this is a role that suits you skill set, you have active SC clearance and are available immediately then...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 21, 2026  
Composite Laminator
Composite Laminator Location: Witham, Essex Pay Rate: Negotiable (Paid via PAYE Inside IR35) Monday to Friday, 08:00-4:30 (Plus 20% uplift on night shift) Contract: 6 - 12 months, potential for extension/permanent About Us We deliver all aspects of design, engineering, testing and manufacture from a single facility. This vertical integration represents considerable supply chain benefits to our customers and a broad working environment for our teams. We are partners on ultra-premium, low-volume programmes delivering vehicle programmes for the ultra-exclusive, ultra-high-value automotive sector for automotive brands. Role Summary: We have an exciting opportunity for Carbon Laminators to join our team delivering design, engineering, and manufacturing solutions for some of the world's most exclusive and ultra-premium car programmes. If you have a passion and desire for delivering high-end products and components - intricate machining, carbon fibre mould tooling, complex jigs, and...
IR35 Status:
Inside IR35

CV-Library Witham, Essex Contractor
CL
Jun 21, 2026  
Composite Trimmer
Composite Trimmer Location: Witham, Essex Pay Rate: Negotiable (Paid via PAYE Inside IR35) Monday to Friday, 08:00-4:30 (Plus 20% uplift on night shift) Contract: 6 months, potential for extension/permanent About Us We deliver all aspects of design, engineering, testing and manufacture from a single facility. This vertical integration represents considerable supply chain benefits to our customers and a broad working environment for our teams. We are partners on ultra-premium, low-volume programmes delivering vehicle programmes for the ultra-exclusive, ultra-high-value automotive sector for automotive brands. Role Summary: We have an exciting opportunity for Carbon Trimmers to join our team delivering design, engineering, and manufacturing solutions for some of the world's most exclusive and ultra-premium car programmes. If you have a passion and desire for delivering high-end products and components - intricate machining, carbon fibre mould tooling, complex jigs, and...
IR35 Status:
Inside IR35

CV-Library Witham, Essex Contractor
CL
Jun 18, 2026  
HV Power Electronics Engineer
Job Title: Senior HV Power Electronics Engineer Contract Duration: 12 Months Location: London Rate: £70–75 p/h DOE (Inside IR35) About the Role We are supporting an advanced engineering programme requiring a Senior HV Power Electronics Engineer with deep expertise in high-voltage system design, insulation coordination, and HV product validation. Key Responsibilities * Lead high-voltage creepage and clearance assessments across HV systems and subsystems. * Support the design and validation of high-voltage power conversion systems and associated power electronics. * Define and review insulation coordination strategies for complex electronic products. * Conduct HV risk analysis, DFMEA activities, and system-level design reviews. * Develop validation methodologies including HV withstand and insulation resistance testing. * Work closely with electrical, mechanical, safety, and systems engineering teams to resolve HV integration challenges. Required Experience *...
IR35 Status:
Inside IR35

CV-Library W1, Marylebone High Street, Greater London Contractor
CL
Jun 18, 2026  
Subject Matter Expert/Design Manager (Airports)
An exciting opportunity has arisen for an experienced Subject Matter Expert/Design Manager (Airfield Systems) to join a major UK airport, supporting the delivery of a multi-billion-pound capital investment programme focused on enhancing critical airport infrastructure and operational efficiency. This role sits within a dynamic construction and project delivery environment and will play a pivotal role in leading the design of large-scale, strategically important airfield systems projects (typically £100m-£150m+). The Role As the Subject Matter Expert/Design Manager, you will lead design management activities from project inception through to construction, commissioning and handover, ensuring solutions are safe, compliant, cost-effective, and aligned with operational requirements. You'll manage a small team of Design Management professionals and act as a key interface between internal stakeholders, engineering teams, and external design consultants and contractors. Key...
IR35 Status:
Inside IR35

CV-Library Gatwick, West Sussex Contractor
CL
Jun 21, 2026  
Mechanical Engineer - Certification & Validation
Mechanical Engineer - Certification & Validation Location: Stevenage (Hertfordshire) Duration: 6 months (extension possible) Rate: £50 p/h Umbrella IR35: Inside Clearance: SC (BPSS to start possible) / UK Eyes Only (UKEO) Working pattern: 2 days minimum onsite, remainder remote Overview An opportunity to become part of Europe's No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional teams, to develop products to meet our customer's needs. Within this role you will have the opportunity to work as part of a multi-disciplinary team to work on the certification and validation activities to allow a new product to be delivered into service with international customers. Responsibilities: Support the Mechanical Certification Lead Engineer on generating evidence statements against Mechanical Requirements. * Interpreting Test reports from subsystem, inert and live munition testing * Interfacing with the Systems team,...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Jun 20, 2026  
Mechanical Design Engineer
Mechanical Design Engineer 12 month contract Based in Stevenage Offering £50ph Inside IR35 Do you have experience using CREO? Do you have experience carrying out mechanical design and proving 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 Mechanical Design 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: Carry out Mechanical Design and proving activities as part of a wider team for prime and variant products, of both piece parts and assemblies Support/liaise with manufacturing, resolving manufacturing problems & defects Support the functional & environmental testing and trials Liaise with suppliers/purchasing to...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Jun 20, 2026  
Mechanical Engineer – Certification & Validation
World Class Defence Organisation is currently looking to recruit a Mechanical Engineer – Certification & Validation subcontractor on an initial 6 month contract. Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: 2 days a week onsite, the rest working remotely from home. 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 Engineer – Certification & Validation Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional teams, to develop products to meet our customer’s needs. Within this role you will have the opportunity to work as part of a multi-disciplinary team to work on the certification and validation activities to allow a new product to be delivered into...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 18, 2026  
Production Test Engineer
Production Test Engineer 12-month contract Based in Stevenage Offering £36ph Inside IR35 Are you an experienced Electronics Test Engineer? Do you have experience testing down to component level? 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 Production Test 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: Providing test engineering support to operators on the shopfloor Testing and diagnosing complex electrical/electronic systems, sub-assemblies, and circuit cards down to component level Generating test specifications, operator instructions, and technical reports - based on higher-level requirements and information Identify remedial and...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire 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 Stevenage, UK Contractor
CL
Jun 12, 2026  
Mechanical Design Draughtsperson
World Class Defence Organisation is currently looking to recruit a Mechanical Design Draughtsperson subcontractor on an initial 6 month contract. Rate: £45.00 per hour Location: Stevenage Hybrid / Remote working: 2 days a week likely onsite.  The rest working from home 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 Draughtsperson Job Description: An opportunity to become a member of Europe’s No. 1 Missile Systems company as a design draughtsperson in the mechanical engineering function, you will work closely with a wide range of project teams to develop definitions to meet our manufacturers and customer’s needs. Responsibilities: Must have a strong background in the ability to create 2D and 3D definitions. In this role, you will develop the 2D and 3D definitions working with the...
IR35 Status:
Inside IR35

CV-Library Stevenage, 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 Stevenage, UK Contractor
CL
Jun 05, 2026  
Electronics Design Engineer
World Class Defence Organisation based in Stevenage (the role can be a split of working Onsite and Working From Home) is currently looking to recruit a number of Electronics Design Engineer subcontractors on an initial 12 month contract.    Electronic Design Engineers with excellent skills in Analogue Design or Digital Design or Power Design or FPGA are sought after.    Job Title: Electronics Design Engineer Rate: £58 per hour Overtime Rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: This role will involve some remote working opportunities Contract: 37 Hours per week Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   Electronics Design Engineer Job Description: The Electronic Engineering function is a friendly and supportive environment. Within the function, you will be working with other engineers who have a collective wealth of...
IR35 Status:
Inside IR35

CV-Library Stevenage, 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 Stevenage, UK Contractor
CL
May 16, 2026  
Principal Thermal Engineer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a Principal Thermal Engineer Subcontractor on an initial 12 month contract.   Hourly Rate: £50.00  Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role will likely be onsite 3 days per week. Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage onsite interview   Principal Thermal Engineer Job Description: The Mechanical Analysis Group are looking for a Principal Thermal Engineer to join its team in Stevenage. The group consists of over 30 engineers working across a wide spectrum of cutting-edge military systems. Working for an internationally recognised company, you will play a critical role in ensuring that products deliver the necessary performance against key...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
May 15, 2026  
V&V Systems Engineering Specialist
World Class Defence Organisation is currently looking to recruit a Verification and Validation Systems Engineering Specialist subcontractor on an initial 12 month contract.  Rate: £85.00 per hour Overtime Rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Location: Stevenage or Bristol (depending on your preference) Hybrid / Remote working: The role will be a hybrid role of on average 2 days per week onsite Contract: 37 Hours per week Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) V&V Systems Engineering Specialist Job Description: The Test & Evaluation team are looking for a V&V Systems Engineering Specialist to operate with a high-level of technical responsibility for the entire lifecycle of our product, ranging from design and development to qualification and deployment. A specialist will bridge the gap between design and production, ensuring that complex,...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK 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
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