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Engineering Design Manager

Mariana Minerals· Project & Construction Management
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Houston, TX, San Francisco HQ$100k - $200kFull-timePosted 6mo ago

About the role

Design Manager responsible for leading detailed engineering and cross-discipline coordination for industrial facilities, especially minerals processing plants, during the Detail Engineering phase and ensuring on-time, compliant delivery.

Responsibilities

  • Take a hands-on approach leading the detail design of industrial facilities – especially minerals processing plants – with responsibility for integrated technical design and engineering execution.
  • Manage engineering activities across internal engineering teams, external engineering partners, and vendors.
  • Assist in building and improving digital project-execution tools, applying expertise to develop tools that help deliver projects.
  • Coordinate cross-discipline engineering reviews, ensuring timely engagement from process, mechanical, structural, piping, electrical, instrumentation, and construction teams.
  • Lead technical interface management, resolving gaps and issues between disciplines, vendors, and EPC partners.
  • Own and lead by example on project performance for cost and schedule, managed against established metrics.
  • Build and maintain strategic relationships with external partners, vendors, and contractors.
  • Support resolution of technical issues arising during fabrication and construction phases.
  • Lead safety in design, including consistent implementation of policies, procedures, and external best practices.
  • Ensure compliance with applicable regulatory requirements and industry codes and standards.
  • Prepare project status reports communicating overall progress, major issues, and mitigation plans.
  • Manage review/approval workflows for engineering documents, vendor submittals, and project deliverables.
  • Track engineering deliverables and action items, maintaining up-to-date logs, trackers, and registers to align with the project schedule.

Qualifications

  • Bachelor’s degree in engineering (mechanical, civil, chemical, or related discipline).
  • 7–15+ years of relevant experience in project engineering, project management, EPC/EPCM environments, or industrial project engineering roles.
  • Familiarity with engineering project workflows, including planning, risk management, document control, design reviews, RFI management, and vendor coordination.
  • Strong communication and coordination skills, with the ability to interface across disciplines and follow up effectively with teammates and external partners.
  • Ability to work in a fast-paced, first-principles-oriented environment, managing competing priorities under schedule pressure.
  • Familiarity with applicable industry codes and standards.
  • Strong competencies in accountability, organizational skills, problem-solving, self-motivation, and professionalism across internal and external stakeholders.

Skills

Required:Detail engineering leadershipCross-discipline coordinationVendor and EPC interface managementProject management fundamentalsEngineering documentation workflows
Last updated Sep 9, 2026. Interested? Apply on the company site.

About Mariana Minerals

We to the Future of Minerals, verify the mineral supply chain.

Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies.

software-firstmineralsenergyAIdefense
Company profileWebsite

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