Outside IR35 Engineering Contract Jobs
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Lead Snyk & Codewise Engineer
Posted Today by K-Tek Resourcing LLC
Primary SkillsSnyk EngineeringCodewise EngineeringPython AutomationDevSecOpsSecurity EngineeringJob SummarySeeking a Sen...
- Rate Negotiable
- Category Outside
- Work type Hybrid
- Location Remote or Hybrid in Mount Laurel Township, New Jersey
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Sign UpSoftware Engineer - Kotlin & Coroutines, OUTSIDE IR35, REMOTE
Posted Today by Gravitas Recruitment Group Ltd
Senior Software Engineer - Kotlin & Coroutines. £500/day LTD CO OUTSIDE IR35. 100% REMOTE. An interest in AI (Agenti...
- Rate £500 per day
- Category Outside
- Work type Remote
- Location London, UK
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About Our Outside IR35 Engineering Contract Roles
What does a engineering contractor do?
Engineering contractors span the full breadth of engineering disciplines, working across construction, infrastructure, manufacturing, oil and gas, aerospace, defence, utilities, and the growing clean energy sector. The engineering contracting market is one of the largest in the UK, encompassing civil, structural, mechanical, electrical, chemical, process, systems, and software engineering, as well as specialist disciplines including commissioning, reliability, design, and project engineering. Contractors are engaged on capital projects, maintenance programmes, regulatory compliance work, and engineering change initiatives across virtually every industrial and infrastructure sector.
The common thread across engineering contracting disciplines is the expectation of specialist technical depth combined with the ability to operate effectively within project environments, often under commercial and programme pressure, in multi-disciplinary teams with complex stakeholder landscapes. Professional chartership with the relevant engineering institution, whether ICE, IStructE, IMechE, IET, IChemE, or another body, is well regarded and frequently required for senior or client-facing roles on major programmes. Site-based engineering roles require appropriate safety awareness and relevant certifications for the working environment. Design engineering roles require proficiency in the relevant CAD and analysis software. Across all engineering disciplines, the ability to produce and check accurate technical documentation, work to specification and programme, and communicate technical issues clearly to non-engineering stakeholders is consistently expected.
What is the market like for engineering contractors?
Engineering contracting in the UK is underpinned by a large and long-term pipeline of infrastructure, industrial, and energy investment. National programmes in rail, highways, water, flood defence, and nuclear alongside the commercial pipeline in offshore wind, building and commercial construction, and advanced manufacturing create consistent demand for engineering contractors across multiple disciplines simultaneously. The energy transition is reshaping demand within the engineering contractor market, creating new opportunities in renewables, grid infrastructure, and low-carbon industrial processes while sustaining demand in oil and gas for maintenance and decommissioning. The persistent shortage of chartered engineers in many disciplines supports rates above those available in comparable non-engineering professional roles.
What does Outside IR35 mean?
IR35 is UK tax legislation that determines whether a contractor is genuinely self-employed or working in a manner that resembles employment. When a contract is classified as outside IR35, the engagement is treated as a business-to-business arrangement. The contractor operates through their own limited company, invoices for services, and manages their own tax affairs including corporation tax, self-assessment, and VAT where applicable.
Outside IR35 engagements are assessed against three key factors: the degree of control the client exercises over how the work is delivered, whether the contractor has a genuine right to provide a substitute, and whether there is a mutuality of obligation between the parties. Contracts that demonstrate contractor autonomy, project-based delivery, and the absence of ongoing employment obligations are more likely to sit outside IR35. Since April 2021, responsibility for making this determination sits with the end client for medium and large private sector organisations.
On QualityContracts.co.uk, approximately 28% of roles with a stated IR35 status are classified as outside IR35. The proportion varies by sector and role type, with some disciplines seeing a significantly higher or lower share of outside IR35 opportunities. Each listing on this page displays its IR35 status where provided by the hiring organisation.
What engineering roles are usually Outside IR35?
Engineering contracts have a healthier outside IR35 rate than many sectors, with around 40% of contracts with a stated status sitting outside. The project-based nature of much engineering work, designing, building, and commissioning specific systems or structures, creates natural engagement boundaries. The outside IR35 proportion varies significantly by sub-discipline: commissioning, design, and project engineering tend to lean outside, while operational support and maintenance engineering lean inside. Professional autonomy over technical methodology is a strong supporting factor.
How much do engineering contractors usually earn when working Outside IR35?
Contract rates for engineering roles typically range from £350 to £700 per day, depending on the scope of the role, required expertise, and the delivery expectations of the engagement. Rates shown are for outside IR35 engagements and reflect the gross day rate paid to the contractor's limited company before any personal tax obligations.
How many Outside IR35 engineering vacancies are there on Quality Contracts?
Over the past twelve months, we have tracked over 1390 engineering contract roles across the site. Of the roles currently listed on our site, around one in four are Outside IR35. Data reviewed up to June 2026.