Sr. Procurement Specialist - Process Equipment

Marianaminerals

San Francisco HQ +1 more

On-site

Who this role is best for

A natural match if you have experience in heavy industry equipment procurement and building scalable systems.

Best fit for

Candidates with 5–7 years of heavy industry capital equipment procurement experience and a background in commercial risk management
— “5–7+ years of procurement experience in equipment purchasing and heavy industry”
Individuals who have designed or improved procurement workflows and systems for scaling operations
— “Help design scalable procurement processes as Mariana Minerals grows”
Professionals with a track record of managing competitive sourcing processes and driving cost efficiency
— “Proven experience managing competitive sourcing processes for capital equipment”

Things to consider

The role requires direct impact on project timelines and capital efficiency, which demands high coordination with project teams
— “directly impacting project schedules and capital efficiency”
Candidates must be prepared to draft and negotiate structured commercial agreements and NDAs
— “Draft, review, and negotiate NDAs, MSAs, and equipment purchase agreements”

How to stand out

Highlight your experience in end-to-end capital equipment procurement and strategic sourcing
— “Lead pre-award, award, and post-award contracting activities for capital equipment purchases”
Showcase your skill in commercial negotiations, particularly around risk allocation and delivery certainty
— “Drive commercial negotiations with focus on total cost, risk allocation, and delivery certainty”
Emphasize your experience in analyzing spend data to identify cost savings and value creation
— “Analyze spend data and identify cost savings or value-creation opportunities”

Pace · SteadyCollaboration · HighAutonomy · MediumDecision Impact · TeamLevel · Senior

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

Improved capital procurement efficiency
Reduced supply chain risks

Typical background

5+ years in procurement, preferably in heavy industry

Skills & requirements

Required

Procurement ManagementContract NegotiationCommercial Risk AssessmentErp/procurement SystemsCapital Equipment Purchasing

Preferred

Heavy Industry ExperienceSupplier Market Analysis

About the role

Original posting from Marianaminerals via Ashby

ABOUT MARIANA MINERALS
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.
ROLE OVERVIEW
Mariana Minerals seeks a hands-on, commercially savvy Sr. Procurement Specialist – Process Equipment to drive capital project delivery by overseeing end-to-end procurement of capital equipment. This role isn’t about transactional purchasing—here, you’ll manage defined procurement scopes from strategy development through contract award and execution, directly impacting project schedules and capital efficiency.
WHAT YOU’LL DO
OWN CAPITAL PROCUREMENT WORKSTREAMS
Lead pre-award, award, and post-award contracting activities for capital equipment purchases
Develop and execute procurement strategies aligned with project timelines and critical path needs
Drive commercial negotiations with focus on total cost, risk allocation, and delivery certainty
Support PO conversion, approvals, and procurement system processing
MANAGE CONTRACTS & COMMERCIAL RISK
Draft, review, and negotiate NDAs, MSAs, and equipment purchase agreements
Coordinate change orders and commercial amendments with project teams
Ensure documentation is structured, defensible, and audit-ready
DRIVE COST & VALUE
Analyze spend data and identify cost savings or value-creation opportunities
Foster competition in the supplier market
Conduct commercial risk assessments to minimize supply chain and schedule risks
BUILD BETTER SYSTEMS
Help design scalable procurement processes as Mariana Minerals grows
Improve cycle times and streamline sourcing and approval workflows
Contribute to establishing a disciplined, data-driven procurement function from the ground up
WHAT YOU’LL BRING
5–7+ years of procurement experience in equipment purchasing and heavy industry
Proven experience managing competitive sourcing processes for capital equipment
Strong contract negotiation skills
In-depth understanding of commercial risk allocation
Proficiency with ERP/procurement systems and structured documentation
OUR CULTURE IS BUILT ON FOUR PRINCIPLES:
Everyone Gets Home Safe. We never put speed or cost ahead of people.
Extreme Ownership. We take full responsibility for outcomes, relentlessly driving toward solutions.
Engineer Out Requirements, then Automate. We simplify, optimize, and then automate for scale.
Share Your Legos. We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.
JOIN US AS WE BUILD THE FUTURE OF RESPONSIBLE MINERAL SOURCING AND SUPPLY!

Source: Marianaminerals careers (Ashby)