Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies. Backed by Khosla and a16z.
About the role
We are hiring a Cost Control Engineer to own the cost baseline, the forecast, and change control on Mariana's capital projects. Found on 1752vc Careers, the job board for startup and VC roles.
What they're looking for
- Education. BS in engineering, construction management, finance, or a related field
- Experience. 5–12 years of project cost control on capital projects in mining, minerals, refining, chemicals, power, or heavy civil. Senior candidates will have owned cost on a project above $100M total installed cost
- Earned value in practice. You have applied earned value management on a live project, not only in training, and can describe where it broke down
- Systems. Hands-on with a project cost management system such as EcoSys, InEight, Prism, or Procore, and with an ERP such as SAP, Oracle, or NetSuite
- Data fluency. Advanced Excel, plus SQL, Power BI, or Python at a level where you build your own reporting instead of requesting it
- Change discipline. You have run a trend and change management process end to end and can say what you would do differently
More about this role
Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We’re reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making.
We are hiring a Cost Control Engineer to own the cost baseline, the forecast, and change control on Mariana's capital projects.
You will build the cost breakdown structure, convert the sanctioned estimate into a control budget, track commitments and actuals, and produce the forecast at completion that the business plans against. The role sits between engineering, procurement, construction, and finance — the path where a commitment becomes an accrual becomes an invoice becomes a capitalized asset — and your job is to make sure the number is the same in all four places. Cost control here is not a monthly report assembled by hand. The reporting is expected to come out of the system and building that pipeline is as much the job as running it.
Set the baseline. Build the WBS and cost breakdown structure with the planner and estimator, convert the sanctioned estimate...
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