How does the salary as Process Engineer II at MP Materials compare with the base salary range for this job?

The average salary for Process Engineer II is $129,202 per year (estimate) in US , which is 26% higher than the average MP Materials salary of $102,480 per year (estimate) for this job.

What is the salary trajectory of a Process Engineer II?

The salary trajectory of a Process Engineer II ranges between locations and employers. The salary starts at $117,911 per year (estimate) and goes up to $238,094 per year (estimate) for the highest level of seniority.

How much does a Process Engineer II make at MP Materials?

The estimated average salary for a Process Engineer II at MP Materials is $129,202 per year or $62 per hour, but some professionals have reported earning up to roughly $178,067 per year (90th percentile). The typical pay range is between $110,475 (25th percentile) and $153,160 (75th percentile) annually. This is based on 2 salaries submitted by MP Materials Process Engineer II professionals on Glassdoor, as of Jul 2026.

What is the typical salary for a Process Engineer II per hour?

Process Engineer II professionals typically earn between $53 and $74 per hour.

What is the typical salary for a Process Engineer II per month?

Process Engineer II professionals typically earn between $9,206 and $12,763 monthly.

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Total salary range for MP Materials Process Engineer II

Total Pay

$90K

$117K_/yr

About our data

Last updated Apr 10, 20252 Salaries submitted

Pay breakdown

$102K

Median total pay

Base Pay

94.3%

$86K - $109K/yr

$97K/yrmedian

Bonus

5.7%

$4K - $8K/yr

$6K/yrmedian

Deep dive into Pay

Recent salaries shared by Process Engineer II at MP Materials

Job Title | Years of Experience

Base • Additional pay

Location

Date submitted

Job Title | Years of Experience

Location

Date submitted

Base • Additional pay

Process Engineer II

4-6 years

$123K - $143K/yr

Mountain Pass, CA

submitted on Jun 2, 2025

$123K - $143K/yr

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Process Engineer II

1-3 years

$91K - $107K/yr

Mountain Pass, CA

submitted on Jul 16, 2021

$91K - $107K/yr

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Total salary range for MP Materials Process Engineer II

About our data

Pay breakdown

$102K

Recent salaries shared by Process Engineer II at MP Materials

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Total salary range for MP Materials Process Engineer II

About our data

Pay breakdown

$102K

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