Gig
USD15 per hr
40
Mar 20, 2026
Senior Civil 3D Designer – Earthworks Modelling (Contract)
The Opportunity
We are seeking a senior Civil 3D designer with proven expertise in earthworks modelling and 3D grading to support a time-critical landfill concept design. This role suits an autonomous, senior operator who can take project-level direction and deliver accurately without supervision.
Stubbs Consultants is an independent New Zealand civil infrastructure engineering practice supporting industrial, commercial, and land development projects in operational and environmentally sensitive environments. Led by a Chartered Professional Engineer (CPEng) with over 16 years’ experience, the practice provides earthworks design, stormwater, site grading, and design management services from feasibility through to construction delivery. This is a high-trust, delivery-focused engagement.
The Project
A live project commencing mid-April requires delivery within a 3–4 week programme. The assignment involves developing a concept earthworks model for a landfill facility, including:
-Staged filling strategy
-Capacity optimisation
-Practical grading aligned with operations
-Cut/fill volume assessments
Your Role
-Working under the direction of a NZ Chartered Professional Civil Engineer (CPEng), you will:
-Translate defined engineering intent into Civil 3D models
-Develop surfaces, grading, and volume outputs
-Produce clean, structured drawings (DWG + PDF)
Inputs provided:
-Topographical survey data
-2D concept plans
-Written design brief
-Who This Suits
This role is suited to a senior Civil 3D designer who:
Has 8+ years’ experience in 3D grading, earthworks modelling, and 3D drainage
Works autonomously with minimal supervision
Can take project-level direction and execute efficiently
Not suited to graduate or intermediate-level applicants.
Engagement Model
-Contract / gig-based role
-Fixed scope initial assignment.
-Full commitment required during delivery period
Contractor must provide own Civil 3D software and equipment
Commercials
Looking for a fixed price:
USD $1,200 – $1,800).
Expected Hours : Typically 40–100 hours, depending on capability
Paid trial task required. USD$100
Future Opportunity
Strong performance will lead to:
-Detailed design work
-Additional projects
-Ongoing collaboration
-Example Output Requirements
Applicants must provide sample outputs demonstrating:
-Existing and proposed contour plans
-Earthworks extents and grading
-Cut/fill volume summaries
-TIN surface modelling
-Clean DWG or PDF outputs suitable for client review
Application Requirements
Please provide:
Relevant Civil 3D examples (contours + volumes)
Summary of experience
CV
Hourly rate (USD)
Availability for mid April
Confirmation of ability to complete a paid trial
Expectation
This is a delivery-critical role requiring ownership, clear communication, and the ability to meet programme deadlines without supervision.