Underwater welding salary: award rates versus the national minimum wage

What is an underwater welding salary in Australia?

If you are looking for a single number for an underwater welding salary, you will not find one published by the Fair Work Ombudsman or the Fair Work Commission. That is because underwater welding is not a standalone occupation in Australia’s award system. Instead, it falls under the Professional Diving (Industrial) Award [MA000108] or, less commonly, the Professional Diving (Recreational) Award [MA000109]. The award sets minimum rates for classifications such as Diver, Hyperbaric Welder, Diving Supervisor, and Life Support Technician. Each classification has its own pay rate, and the actual salary depends on the type of diving, depth, experience, and whether the work is offshore or inshore.

This article explains how the award system works for underwater welding, how it compares to the national minimum wage, and why a precise figure is hard to pin down. We also look at the Salary Index – a measure that compares a yearly gross wage to the national full-time adult ordinary-time earnings of $108,352 (index 100).

Awards versus the national minimum wage

From 1 July 2026, the national minimum wage is $26.44 per hour, which annualises to $52,255 (index 48.2). Award minima rose by 4.75% from that date. The Professional Diving (Industrial) Award minimum rates are higher than the national minimum because diving work involves specialised skills, physical risk, and often remote locations.

For example, a Diver under the award might have a base hourly rate around $30–$35, plus an industry allowance and depth allowance. A Hyperbaric Welder – the classification closest to underwater welding – typically earns more because welding underwater requires both diving and welding qualifications. Casual employees receive a 25% loading on top of the base rate. Weekend and public holiday penalty rates also apply.

But the award only sets a floor. Many underwater welders are employed under enterprise agreements or individual contracts that pay above the award. The pay guides from the Fair Work Ombudsman give the minimum rates for each classification, but they do not list a single “underwater welding salary”.

Where does underwater welding sit on the Salary Index?

The Salary Index compares a yearly gross wage to the national line of 100 (full-time adult ordinary-time earnings). Because we do not have a reliable median or average figure for underwater welding, we cannot place it on the index. However, we can make some comparisons.

• National minimum wage: index 48.2
• Mining industry (which includes offshore diving): index 154.7
• Professional, scientific and technical services: index 114.7
• Health care and social assistance: index 97.8

Given that underwater welding is a specialised trade within the mining and offshore sectors, it is reasonable to expect an experienced underwater welder to earn above the national average – possibly in the range of index 120–150. But this is speculation. Without a published survey or ABS data, we cannot confirm.

What the Fair Work Ombudsman says

The Fair Work Ombudsman provides pay guides for the Professional Diving (Industrial) Award. These guides list minimum hourly rates for each classification. For example, the 2026 pay guide (effective from 1 July 2026) shows rates for:

• Diver
• Diver’s Attendant
• Diving Superintendent
• Diving Supervisor
• Hyperbaric Welder
• Life Support Technician

Each rate includes a base rate plus an industry allowance. The hyperbaric welder classification is the closest to underwater welding. The rates are not reproduced here because they are subject to change and subject to change. The Fair Work Ombudsman also provides a [Pay and Conditions Tool that can calculate pay rates for a specific classification.

State differences

Australia’s states have different average earnings. For underwater welding, the state index varies from 88.6 in Tasmania to 109.9 in the ACT. The Professional Diving Award applies nationally, but the actual salary may be higher in Western Australia (index 106.9) and the Northern Territory (index 95.2) due to remote location allowances.

Super and tax considerations

From 1 July 2026, the super guarantee is 12% of the maximum contribution base of $270,830. This is paid on top of the salary. For a resident tax 2026–27, the tax-free threshold is $18,200. The marginal tax rate for a typical underwater welder earning $80,000–$120,000 would be 30% plus 2% Medicare levy. Take-home pay is about 70–75% of gross.

Conclusion

A precise underwater welding salary is uncertain because the award system does not publish a single figure. The Professional Diving (Industrial) Award sets minimum rates that are higher than the national minimum wage. For a precise figure, you would need to consult the award classification that matches the role and add allowances. The Salary Index cannot be placed on the index without a reliable figure.

For more on how the index works, see how the index works. For more on pay guides, see pay guides. For more on industries, see industries. For more on topics, see topics.