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CMX Supervisor

Rio Tinto - Los Angeles, CA, US

Posted Jun 12, 2026

Benefits

Parental leave
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Non-birth-parent leave
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Family-building benefits
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  • Adoption assistance: Not verified
  • Surrogacy assistance: Not verified
Mental health support
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Relocation assistance
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Childcare support
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Learning budget
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Verification
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Salary
$92K-$127K From the posting source
401(k) match
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Role

Seniority
Senior From the posting source

Schedule

Shift type
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Weekend work
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Application

Cover letter
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Assessment
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Deadline
Not stated

Where they hire

State eligibility is not yet verified.

About this role

CMX Supervisor Los Angeles, CA, US CMX Supervisor - A company with a world-class reputation for safety and performance - Fostering a collaborative team environment built on strong work ethics - Role based in Wilmington, CA - For California based roles the expected annual salary range is $92,240 - $126,830 About the Role We are looking for a CMX Supervisor to join our Project and Engineering team. In this role, you will be responsible for helping manage the Contractor Management process here in Wilmington. You will collaborate with multidisciplinary contractor teams and internal/external subject-matter-experts (SMEs). CMX Supervisor role here in Wilmington, CA is currently responsible for the onsite crane repairs and maintenance (excluding mobile cranes), elevator repairs and maintenance as well as assisting the refinery services on major projects when we are available. Scheduling work for the CMX group as well as mentoring our Designated Managers on site. This role is a great opportunity for a self-motivated individual preferrable with a maintenance background as well as planning and scheduling experience with SAP. Reporting to the Maintenance Superintendent, you will be: - Instrumental in assisting the CMX team in ensuring our contractors understand and follow our site rules and SOP's. - Alignment with Element 7 - Transparency across the entire contractor management process - Greater rigor in contractor buying process - Commercial opportunity & benefits for vendors - Administrative activities shifted to centralized roles - RT staff time re-focused on HSE and quality supervision We are an open, connected global team

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