Geothermal Engineer Jobs in Oklahoma (NOW HIRING)

Company Description

GreenFire Energy is a next-generation enhanced geothermal systems developer delivering scalable baseload power to energy-intensive industries. The company is advancing modular geothermal development projects focused on utility, industrial, military, and hyperscale power markets across the United States.

GreenFire Energy is developing a scalable geothermal platform focused on premium 24/7 renewable power generation and long-term infrastructure deployment utilizing advanced geothermal, drilling, and ORC technologies.

Who We Are Looking For

GreenFire Energy is seeking an experienced and execution focused individual to lead all engineering, drilling, subsurface, surface facility, and technical deployment activities associated with the company’s U.S.-focused Enhanced Geothermal Systems platform.

Reporting directly to the CEO with a dotted-line relationship to the COO, this role will oversee the technical vision, engineering execution, and commercialization strategy for GreenFire’s modular geothermal wellfield and power generation systems.

This role will play a key role in shaping the company strategy specifically on:

• U.S.-based EGS development activities
• Drilling and stimulation strategy
• Reservoir development and simulation workflows
• Subsurface integration into surface facility engineering and ORC design
• Modular subsurface geothermal deployment
• Optimization of project cost, efficiency, and operational performance

This individual will also serve as a forward-facing technical leader representing GreenFire with investors, government agencies, utilities, strategic partners, and industry stakeholders.

This opportunity is based in Oklahoma City, OK with moderate travel associated with project development and technical oversight activities.

Qualifications

• Minimum 15 years of experience in engineering, drilling, subsurface development, geothermal, oil & gas, power generation, or energy infrastructure
• Bachelor’s degree in Engineering or related technical discipline required
• Strong background in horizontal drilling, well design, completions, and surface facility engineering and operations
• Experience leading multidisciplinary engineering and infrastructure delivery organizations
• Understanding of geothermal systems, EGS development, ORC systems, and geothermal operations required
• Familiarity with simulation, reservoir modeling, thermal forecasting, and integrated engineering design workflows
• Experience with modular infrastructure deployment, project execution, and commercialization
• Strong communication and leadership skills with the ability to engage technical and non-technical stakeholders
• Familiarity with DOE, defense, utility, and infrastructure development environments preferred

Essential Job Functions Include

• Lead all engineering and technical delivery activities across GreenFire’s U.S. geothermal development platform
• Oversee geothermal reservoir planning, drilling strategy, stimulation design, and wellfield optimization
• Develop best practices for horizontal drilling, completions, geothermal well design, and field development
• Oversee conceptual design, FEED studies, and modular design and build out
• Identify designs to improve system efficiency, parasitic load performance, water efficiency, and modular deployment economics
• Support operational readiness, commissioning, and long-term geothermal facility performance
• Coordinate engineering execution across drilling, subsurface, facilities, commercial, and project development teams
• Drive standardization and repeatability of modular geothermal deployment architectures
• Represent GreenFire in technical, commercial, and strategic discussions with investors, utilities, government agencies, and development partners

Preferred Experience

• Enhanced Geothermal Systems (EGS)
• Horizontal drilling and completions
• Stimulation design and subsurface optimization
• Oil & gas infrastructure and operations

What You Will Receive

• Competitive base salary
• Annual performance bonus eligibility
• Comprehensive benefits including medical, dental, vision, life insurance, short-term and long-term disability
• Paid time off, sick leave, and paid holidays
• 401(k) retirement plan with company match
• Equity participation opportunity through employee stock option programs

Relocation

Preference will be given to candidates located in or willing to relocate to Oklahoma City, OK.