SAFE
The modeling half of this job — ore reserve estimation, geostatistical block models, pit optimization runs, MSHA paperwork and incident reports — is exactly the structured numeric and document work AI is eating fastest. The other half is standing in an active pit or underground heading assessing ground conditions, ventilation adequacy, slope stability and blast placement, then signing a plan that determines whether people go home alive; that half is not automatable with current robotics or acceptable to regulators. Small occupation (about 6,000 jobs) tightly coupled to commodity cycles, which matters more to headcount than AI does.
Mixed — a routine tier and a judgment tier. Whittle/Deswik pit optimisations, Datamine block model runs and MSHA Part 48 training records are already largely software-driven, but walking a bench to read a fresh highwall crack, judging whether a rib is taking weight, or re-sequencing a blast pattern after the drillers hit unexpected water keeps this at 13 rather than the low end.
Hands-on in uncontrolled environments. You are underground or on active benches in dust, diesel, water and unsupported ground on inspection rounds, standing behind the drill rig checking hole depth and burden, and going into the mine after a fall of ground — an environment where robots are used to avoid humans precisely because it cannot be controlled, which is why this sits at 15.
Licensed human required and personally liable. Mine plans, ventilation plans and impoundment designs go out under a state PE seal and the engineer of record is personally answerable to MSHA and state inspectors, but a meaningful share of mining engineers work under the industrial exemption without a stamp, which holds this at 13 instead of the high teens.
Some relationship component. The mine manager, the safety committee and MSHA inspectors deal with you as a known individual whose ground-control judgement they've watched hold up, but the deliverable is a signed plan and a reserve statement that another competent engineer could produce, so the relationship supports the work rather than being the work.
Exists to be accountable for ambiguous calls. Calling whether a slope with a moving prism is still safe to mine, whether ventilation quantity is adequate for the extended heading, or whether to stop production and evacuate is a decision made on incomplete monitoring data with fatalities and a Section 107(a) imminent danger order on the other side of it — 17 reflects that the ambiguity is irreducible and the consequence is bodies.
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