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31 Contract jobs
Permanent Full Time Employee: Nuclear Mechanical Engineer 4 (NSSS Systems Design...
Posted Today by Seine LLC
Job Description: TYPE: PERMANENT EMPLOYEELOCATION:PREFERENCE OF HOUSTON, TEXASFOR THOSE LIVING WITHIN A 30-MILE RADIUS O...
- Rate Not specified
- Category Outside
- Work type Remote
- Location Remote
Mechanical Commissioning Engineer
Posted 1 day ago by JAM Recruitment Ltd
PROJECT OVERVIEWMechanical Commissioning Engineer 12 Months Outside IR35 - £600 per day London and South Wales - Site Ba...
- Rate £75 per hour
- Category Outside
- Work type Onsite
- Location London; City of London; East London; Central London; South East London; West London; Canary Wharf; South West London; North London; Greenwich; Stratford
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Lead Mechanical Design Engineer
Posted 3 days ago by Professional Technical Ltd
Job PurposeThe Lead Mechanical Design Engineer will lead the multidisciplinary design and delivery of wastewater treatme...
- Rate £520 per day
- Category Outside
- Work type Remote
- Location Jacob's Well, Guildford (GU4), GU4 7ED
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Sign UpSenior Mechanical Engineer Contractor Day Rate Benchmarks and National Landscape
Live market telemetry, compensation quartiles, and IR35 compliance benchmarks across the UK contract sector.
Median Daily Rate
£464/day
+5.5%
Interquartile Range
£400/day – £480/day
Middle 50% market distribution
Contract Engagement Split
55% Outside IR35
29% Inside IR35 engagements
Market Conditions and Compensation Trajectory
Remuneration intelligence for Mechanical Engineer professionals across the UK currently identifies a median gross compensation level of £464/day per day throughout corporate contracting programmes. Statistical rate distribution reveals a lower quartile of £400/day across foundational technical assignments, scaling steadily to £480/day for engagements mandating advanced technical leadership. Movement into upper compensation tiers requires proven implementation history across Engineering, complemented by comprehensive production experience in cloud infrastructure. 55% of tracked roles remain outside the off-payroll working rules. Figures summarise advertised pay on this hub to November 2026 and are market statistics, not a personal offer or guaranteed assignment rate.
Daily Rate Quartiles and Market Benchmarks
Values combine advertised day rates, stated IR35 outcomes, and sector labels from vacancies matching this hub. Quartiles use priced roles only.
| Metric | Value | What it shows |
|---|---|---|
| Median day rate | £464/day | Mid-market advertised pay for this hub |
| 25th percentile (P25) | £400/day | Lower-quartile priced vacancies |
| 75th percentile (P75) | £480/day | Upper-quartile priced vacancies |
| Outside IR35 share | 55% | Stated limited-company / outside SDS |
| Inside IR35 share | 29% | Stated PAYE / umbrella / inside SDS |
| Undetermined IR35 | 16% | Adverts that omit a published status |
| Leading sector | Engineering (100%) | Largest hiring cluster in the sample |
| Priced sample | 9 roles | Vacancies used for the rate corridor |
| Regional rate band | UK-wide rate parity | Location pricing context, not an SDS |
Statutory Standards and Frequently Asked Questions
Chapter 10 determinations remain a client-side duty for medium and large private-sector hirers of Mechanical Engineer contractors across the UK. An SDS is expected before the assignment begins, and inside IR35 income is typically paid through PAYE or an umbrella. PSC contractors invoice fees gross and the contractor manages corporation tax and dividends. Location does not remove IR35: UK-wide rate parity only describes advertised rates. None of this replaces a CEST assessment or professional advice. The Engineering cluster above is the practical place to compare SDS outcomes for this discipline.
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