Site Superintendent

Mariana Minerals•Houston, TX

21d

About The Position

Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying critical minerals for energy, AI, and defense technologies. It combines industry expertise with software, automation, and data-driven decision-making. The Site Superintendent leads the full build of industrial process infrastructure, from site development and ground-up civil work through installation, commissioning, startup, and turnover. The role schedules and directs trade contractors, leads daily coordination meetings, resolves construction issues, and inspects work to ensure compliance with plans, specifications, and quality standards. The Superintendent works closely with Construction Management, Design Engineering, Field Engineering, Process Engineering, commissioning, facilities, and Operations to build plants safely, on schedule, and to specification. The role also oversees project schedules, contractor performance, site logistics, quality assurance, reporting, and health, safety, and environmental practices. It includes working with software engineering to improve field reporting tools and support automation. Travel to or relocation near project sites may be needed.

Requirements

10+ years of construction experience in civil work, including site development, earthwork, underground utilities, shoring systems, ground improvements, foundations, pavement, and roadways.
Previous experience as a Superintendent on industrial, mining, or processing plant construction.
Ability to read and interpret construction design documents, specifications, and contracts, and provide constructability feedback.
Working knowledge of building codes, standards, and environmental regulations, including OSHA, NFPA 70E, and stormwater management practices.
OSHA 30 certification and current First Aid/CPR certification, or willingness to obtain them.
Proficiency with Microsoft Office Suite, email, and scheduling tools.
Ability to thrive in a high-performance, cross-functional organization with tight timelines and aggressive goals.
Excellent communication, judgment, and decision-making abilities in dynamic field environments.
Willingness to travel to or relocate near project sites as needed.

Nice To Haves

Brownfield, renovation, or tenant improvement experience.
Experience with EPC/EPCM delivery models.
Experience with Primavera P6 or Microsoft Project.

Responsibilities

Own on-site construction for the full build of industrial process infrastructure, from mobilization through turnover.
Schedule and sequence trade contractors and host daily coordination meetings.
Drive the project schedule, track progress against plan, and escalate construction issues to the Project Manager and leadership early.
Develop and communicate site logistics and operational plans, including laydown, access, and material flow.
Perform daily inspections to ensure work complies with plans, specifications, and company standards.
Develop and run quality assurance inspection plans and hold contractors and team members accountable for quality.
Review design documents and provide constructability feedback before and during construction.
Maintain frequent communication with the Project Manager, project stakeholders, and job site personnel.
Oversee contractor performance to ensure KPIs and deliverables are achieved.
Collaborate with engineering, commissioning, facilities, and operations teams through production startup.
Prepare daily and weekly site progress reports covering schedule, quality, safety, and open issues.
Partner with software engineering to improve field reporting tools and support ongoing automation.
Promote a safe work culture through regular safety walks and toolbox talks.
Follow and enforce state and OSHA regulations to maintain a safe, secure, and healthy work environment.
Keep the job site organized, clean, and safe, including contractor trailers, fabrication areas, and stored materials and equipment.
Monitor and manage construction environmental controls, including dust, stormwater, and waste.