Twelve

Sr. Principal Electrical Engineer

Electrical Engineer

20+ years in electrical engineering for continuous process plants; expert in electrical infrastructure, substations, and plant power distribution; willing to relocate; Bachelor’s in Electrical Engineering.

Staff Electrochemical Modeling Engineer

Strong electrochemical fundamentals; ability to build models or design experiments; PhD or equivalent depth preferred; collaboration across disciplines.

Sr. Procurement SCM Specialist, Global Supply Chain

Bachelor's degree; 20+ years global procurement; EPC experience; ERP experience; CPSM/CSCP preferred; willing to relocate to Moses Lake, WA.

Senior / Staff Equipment & Mechanical Engineer

Equipment & Mechanical Engineer

Hardware-focused mechanical engineer with multidisciplinary experience in pumps, high-pressure gases, fabrication, and electromechanical systems; strong safety, communication, and hands-on skills.

Plant Operations Manager (Jet Fuel Plant)

Plant Operations Manager

Experience in hydrocarbon/naphtha or jet fuel production; focus on safety, regulatory compliance; startup environment; Bachelor’s in a STEM field, preferably Chemical Engineering.

Senior Plant Production Engineer (Jet Fuel Plant)

Senior Plant Production Engineer

Bachelor's in Chemical or Mechanical Engineering; 8+ years in Refining/Chemical Manufacturing; OSHA PSM knowledge; strong leadership and data-driven decision making.

Director, EH&S

10-15 years EH&S experience; leadership in research and manufacturing safety; regulatory knowledge; strong communication; proficient with Google Workspace and safety programs.

EH&S Lead

10+ years in EHS; 7+ years in a PSM facility; Bachelor’s in safety, engineering, chemistry, or environmental science; strong regulatory knowledge; proven ability to implement EHS programs.

Future Opportunities at Twelve

Future Opportunities

No explicit role-specific requirements provided.

Title	Location	Date
Sr. Principal Electrical Engineer Full Time · $184K-$230K · 20+ YOE Moses Lake, Washington, United States · Onsite	Moses Lake, Washington, United States Onsite	Apr 20, 2026
Staff Electrochemical Modeling Engineer Full Time · $164K-$205K Berkeley, California, United States · Hybrid	Berkeley, California, United States Hybrid	Mar 9, 2026
Sr. Procurement SCM Specialist, Global Supply Chain Full Time · $160K-$200K · 20+ YOE Moses Lake, Washington, United States · Onsite	Moses Lake, Washington, United States Onsite	Mar 2, 2026
Senior / Staff Equipment & Mechanical Engineer Full Time · $164K-$240K Berkeley, California, United States · Onsite	Berkeley, California, United States Onsite	Feb 20, 2026
Plant Operations Manager (Jet Fuel Plant) Full Time · $176K-$220K Moses Lake or Berkeley · Onsite	Moses Lake or Berkeley Onsite	Dec 19, 2025
Senior Plant Production Engineer (Jet Fuel Plant) Full Time · $152K-$190K · 8+ YOE Moses Lake, Washington, United States · Onsite	Moses Lake, Washington, United States Onsite	Dec 19, 2025
Director, EH&S Full Time · $200K-$250K · 10+ YOE Moses Lake, Washington, United States · Onsite	Moses Lake, Washington, United States Onsite	Dec 19, 2025
EH&S Lead Full Time · $137K-$172K · 10+ YOE Moses Lake, Washington, United States · Onsite	Moses Lake, Washington, United States Onsite	Dec 19, 2025
Future Opportunities at Twelve Full Time Berkeley, California, United States · Onsite	Berkeley, California, United States Onsite	May 14, 2024

Activities	Carbon dioxide transformationSustainable fuel productionElectrochemical reactor manufacturingCarbon-neutral chemical synthesisIndustrial material production
Headquarters	US
Industries	Clean TechnologyChemical Manufacturing
Name	Twelve
Employees	250
Type	Private
Subsidiaries	Twelve Benefit Corporation
Tagline	Transforms carbon dioxide into sustainable fuels and chemicals.
Founded	2,015
Website	twelve.co
Latest Funding Round	Series C
Latest Funding Year	2,025
Latest Funding Amount	83,000,000
Latest Investors	Amazon's Climate Pledge FundGreycroft

Twelve

About Twelve