IR35.org

Inside IR35 Civil engineering contracts

13 open inside IR35 Civil engineering contracts, typically £485–£565 a day.

Open contracts
13
Typical day rate
£485–£565Median £505, from 11 contracts stating a rate
Remote
0% of these contracts

At the median £505 a day over 220 working days, you'd take home about £70,451 a year outside IR35, or £66,665 inside IR35. Work out your own take-home pay

Skip to results

13 contracts found

  1. Structures AgentOn site

    Sizewell C

    £500–£550/dayInside IR35 (implied)

    Campsea Ashe · 6 months · Posted 6 days ago

    • Civil engineering
    • Site management (SMSTS)
    • Systems engineering
    • Project management
    • Health and safety

    2 adverts

  2. Site ManagerOn site

    Leading tier-one contractor managing electrical substation scheme

    £600–£650/dayInside IR35

    Trawsfynydd · 24 months · Posted 6 days ago

    • Civil engineering
    • Site management (SMSTS)
    • Health and safety
    • NEC contracts
  3. PTS Site EngineerOn site

    Tier 1 Principal Contractor

    Rate not statedInside IR35

    West London · Posted 7 days ago

    • Civil engineering
    • Infrastructure
    • Procurement
  4. Senior Quantity SurveyorHybrid

    Major infrastructure optimisation project

    £458–£549/day£61/hrInside IR35

    Suffolk · Posted 7 days ago

    • Civil engineering
    • Quantity surveying
    • Infrastructure
    • Procurement
    • Contract management
    • +1 more

    2 adverts

  5. Health & Safety AdvisorOn site

    Major highways infrastructure project on the A47

    £380–£450/dayInside IR35

    Norwich · Posted 7 days ago

    • Civil engineering
    • Health and safety
    • Infrastructure
    • Audit
    • Process improvement

    2 adverts

  6. Principal Civil/Structural EngineerHybrid

    Devonport

    £600/day£80/hrInside IR35

    Plymouth · 12 months · Posted 12 days ago

    • Civil engineering

    3 adverts

  7. Highways Maintenance OfficerHybrid

    Local Authority in the East of England

    Rate not statedInside IR35

    East Anglia · Posted 19 days ago

    • Civil engineering
    • Stakeholder management
    • Observability / monitoring
  8. Site EngineerOn site

    Leading international infrastructure group

    £480–£500/dayInside IR35

    Scotland · Posted 33 days ago

    • Civil engineering
    • Infrastructure
    • Budget management
    • Project management
    • Process improvement
  9. Senior Project ManagerOn site

    Leading international infrastructure group

    £525/day£70/hrInside IR35

    South East · 6 months · Posted 35 days ago

    • Civil engineering
    • Project management
    • Infrastructure
    • Site management (SMSTS)
    • Process improvement
  10. Surface & Highway Structures B2 EngineerHybrid

    Major transport organisation

    £424/dayInside IR35

    London · Posted 36 days ago

    • Civil engineering
    • Stakeholder management
    • Observability / monitoring
    • Process improvement
  11. Major Projects Estimator - ConstructionOn site

    Highways and civil engineering contractor

    £500/dayInside IR35

    Tyne and Wear · 3 months · Posted 36 days ago

    • Civil engineering
    • NEC contracts
    • Infrastructure
    • Quantity surveying
    • Budget management
    • +1 more
  12. Senior Project ManagerOn site

    Scottish and Southern Electricity Networks

    £583–£700/day£78/hrInside IR35

    Glasgow · 4 months · Posted 42 days ago

    • Civil engineering
    • Project management
    • Infrastructure
    • Procurement
    • Budget management
    • +2 more

    2 adverts

  13. Site EngineerOn site

    Leading international infrastructure group

    £400–£550/dayInside IR35

    Milford Haven · 12 months · Posted 48 days ago

    • Civil engineering
    • Infrastructure
    • Health and safety
    • Excel
    • Site management (SMSTS)
    • +2 more

    2 adverts

Contracts come from job boards and employers' own careers sites, updated hourly. IR35 status is as stated in each advert: always confirm it with the hirer.

Disclaimer: calculations are estimates only and not financial or tax advice. See the terms.

Copyright © 2026 IR35.org. All rights reserved.