How to become a dredge operator
Official title: Dredge operator
Also called: Dredger
Dredge operators excavate waterways to remove sand, gravel and other materials by using suction, scooping, digging or lifting equipment.
Main tasks
- Control dredges
- Remove sand, gravel and other materials
- Use cranes and hoists to lift materials
- Measure depth and size of work areas
- Check machines and equipment for safety
- Guide others to move materials safely
- Keep work areas clean and clear
How to become one
You usually need to do training to become a dredge operator and a qualification may be useful. You usually don't need specific NCEA levels for this job, but Level 2 may be useful. Required: a Class 2, 3, 4 or 5 driver licence; a Wheels, Track and Rollers Course (WTR) endorsement. Other requirements: to join a professional organisation if working at sea; to meet sea service, medical fitness, eyesight, and fit and proper person requirements; to complete training courses and get the required ancillary certificates; to complete a training course; a New Zealand Certificate in Domestic Maritime Operations (CIDMO) (Restricted Limits) (Level 4); to pass an oral examination and get a Skipper Restricted Limits (SRL) certificate of competency from Maritime New Zealand.
Ways in
- Certificates and diplomas: Intermediate certificates in marine craft operation. TEC links this job to study in maritime engineering and operations. Qualifications: NZ Cert in Domestic Maritime Operations (Restricted Limits), NZ Cert in Maritime Crewing, NZ Cert in Marine Engineering Class 6. Usually 9 months. Graduates of these qualifications earn a median $70,000 a year one year after study and $71,000 five years after; 74% are employed one year after (TEC, from Stats NZ IDI data).
Pay · Past change
- Most common pay: $62,000 to $106,000 a year (median $80,000), a TEC estimate before tax.
- Upper: $130,000 a year
- TEC's pay figures are estimates only. TEC says they must not be used to set pay, in pay negotiations or in visa applications.
- Change in the number of people doing this job between the 2018 and 2023 Censuses: Decrease (TEC). This is past change, not a forecast.
Who does this work
- About 54 people did this job at the 2023 Census (TEC).
Related jobs
- Pile driver operator
- Materials handling machine operator supervisor
- Loader operator
- Heavy equipment operator
- Heavy equipment technician
- Crane operator
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Questions people ask
How do I become a dredge operator?
You usually need to do training to become a dredge operator and a qualification may be useful. You usually don't need specific NCEA levels for this job, but Level 2 may be useful. Required: a Class 2, 3, 4 or 5 driver licence; a Wheels, Track and Rollers Course (WTR) endorsement. Other requirements: to join a professional organisation if working at sea; to meet sea service, medical fitness, eyesight, and fit and proper person requirements; to complete training courses and get the required ancillary certificates; to complete a training course; a New Zealand Certificate in Domestic Maritime Operations (CIDMO) (Restricted Limits) (Level 4); to pass an oral examination and get a Skipper Restricted Limits (SRL) certificate of competency from Maritime New Zealand.
How much does a dredge operator earn in New Zealand?
The Tertiary Education Commission estimates median pay at $80,000 a year, before tax. Most common pay is $62,000 to $106,000 a year.
Has the number of people working as a dredge operator grown in New Zealand?
It has shrunk: TEC records a decrease in the number of people doing this job between the 2018 and 2023 Censuses. This is past change, not a forecast.
Sources
- Tertiary Education Commission (Tahatu Career Navigator): Tahatu career ideas: descriptions, tasks, pay estimates, people employed, employment change 2018 to 2023, entry requirements, registration, interest scores (Site scrape 2026-10 (816 career ideas, sitemap lastmod 2026-10-01)), CC BY 4.0, retrieved 4 October 2026
This content is sourced from the Tertiary Education Commission through the Tahatū Career Navigator website (www.tahatu.govt.nz) and used under the CC BY 4.0 licence. All or some of the information has been modified by Peernovo. TEC has not approved, endorsed or tested these modifications. TEC will not be held accountable for any errors within this content.
Qualification information from NZQA, used under CC BY 3.0 NZ.
This work is based on/includes Stats NZ's data which are licensed by Stats NZ for reuse under the Creative Commons Attribution 4.0 International licence. Census data via Figure.NZ.
Includes information from O*NET OnLine by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA), used under the CC BY 4.0 license. O*NET is a trademark of USDOL/ETA. USDOL/ETA has not approved, endorsed, or tested these modifications.
Sources: Tertiary Education Commission, Tahatū Career Navigator (career ideas, pay estimates, entry requirements and study options, CC BY 4.0, modified by Peernovo); Stats NZ, 2023 Census (via Figure.NZ) and the National Occupation List (CC BY 4.0); NZQA qualification information (CC BY 3.0 NZ); O*NET interest scores (CC BY 4.0); ILO global generative AI exposure index (CC BY 4.0). Links between career ideas and ANZSCO groups, degree fields and broad job groups are Peernovo's.
These results are not official statistics. They have been created for research purposes from the Integrated Data Infrastructure (IDI), which is carefully managed by Stats NZ.
Graduate outcomes: these results are not official statistics. They have been created for research purposes from the Integrated Data Infrastructure (IDI), which is carefully managed by Stats NZ.
Updated 4 October 2026
