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Principal Geologist Jobs (NOW HIRING)

Endurance Energy

Principal Geologist

Seattle, WA · On-site

What you'll be doing As the Principal Geologist at Endurance, you'll be at the forefront of identifying and characterizing the most promising subsea geothermal sites around the globe. You'll combine ...

Touchstone Environmental Geology

Be Seen First

Project Geologist

Centereach, NY · On-site

... Principal Geologist • Identify and clearly articulate RECs, HRECs, and BRECs with supporting rationale • Coordinate with regulatory agencies including NYSDEC and NYC OER • Manage field ...

NACCO Industries

Senior/Principal Geologist

Plano, TX · On-site

Regular The senior geologist will be responsible for organizing and interpreting geologic data as ... Knowledge of geostatistical principals and geostatistical modeling is required * Competent in basic ...

SLR Consulting Limited

Principal Engineer

$140K - $190K/yr

We are seeking a highly accomplished Principal Scientist, Principal Engineer (PE), or Principal Geologist (PG) to join our New Jersey Land Quality & Remediation (LQR) environmental practice. This is ...

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$36.5K

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How much do principal geologist jobs pay per year?

As of Jun 8, 2026, the average yearly pay for principal geologist in the United States is $109,393.00, according to ZipRecruiter salary data. Most workers in this role earn between $85,000.00 and $125,000.00 per year, depending on experience, location, and employer.

What is a Principal Geologist?

A Principal Geologist is a senior-level geoscientist who leads geological projects, provides technical expertise, and manages teams within organizations such as mining companies, environmental consultancies, or government agencies. They are responsible for designing and overseeing geological investigations, interpreting data, and making recommendations based on their findings. Principal Geologists often play a key role in project planning, risk assessment, and ensuring compliance with regulations. Their extensive experience allows them to mentor junior staff and contribute to strategic decision-making within their organization.

What are some typical challenges Principal Geologists face when leading multidisciplinary projects?

Principal Geologists often oversee complex projects that require collaboration with engineers, environmental scientists, and regulatory agencies. Coordinating these diverse teams can be challenging due to differing priorities and communication styles. Additionally, Principal Geologists must ensure that geological assessments align with project goals, budgets, and timelines while adhering to safety and environmental standards. Strong leadership, clear communication, and problem-solving skills are essential to successfully navigate these challenges and deliver high-quality outcomes.

What are the key skills and qualifications needed to thrive as a Principal Geologist, and why are they important?

To thrive as a Principal Geologist, you need advanced expertise in geological science, extensive fieldwork experience, and a relevant degree such as geology or earth sciences, often supplemented by professional registration (e.g., P.Geo or CPG). Proficiency with geological modeling software, GIS tools, and data analysis platforms is commonly required, alongside familiarity with regulatory and reporting standards. Exceptional leadership, communication, and project management skills help you guide teams and effectively liaise with stakeholders. These skills and qualities are crucial to ensure accurate assessments, regulatory compliance, and successful execution of complex geological projects.

What is the difference between Principal Geologist vs Senior Geologist?

AspectPrincipal GeologistSenior Geologist
Required CredentialsBachelor's or Master's in Geology, often with 10+ years experienceBachelor's or Master's in Geology, typically with 5-10 years experience
Work EnvironmentLead projects, oversee teams, and coordinate with clientsConduct fieldwork, data analysis, and support project execution
Employer & Industry UsageConsulting firms, oil & gas, mining, environmental companiesMining companies, environmental agencies, consulting firms

The Principal Geologist typically holds a senior leadership role, overseeing projects and teams, while the Senior Geologist focuses more on technical fieldwork and data analysis. Both roles require strong geological expertise, but the Principal Geologist has greater managerial responsibilities and client interaction.

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Principal Geologist jobs near you

Principal Geologist

Endurance Energy

Seattle, WA • On-site

Full-time

Medical, Dental, Vision

Posted 14 days ago

Job description

About Endurance
Endurance is building the world's first modular subsea geothermal power plants, converting vast thermal resources under the ocean into gigawatts of baseload power. Backed by First Round Capital and Point72 Ventures, our founding team includes veterans from SpaceX, Helion, and Robinhood. We have completed multiple deep ocean deployments and are launching our generation pilot this year. By leveraging manufacturing scale, efficient drilling, and latent cooling on the seafloor, we are pioneering a new category of energy that outperforms traditional sources on both environmental impact and cost.
What you'll be doing
As the Principal Geologist at Endurance, you'll be at the forefront of identifying and characterizing the most promising subsea geothermal sites around the globe. You'll combine cutting-edge marine geology techniques with practical drilling operations experience to unlock the vast energy potential beneath the ocean floor. This role requires deep technical expertise in resource drilling and the scrappy, entrepreneurial mindset essential to pioneering an entirely new industry.
You'll wear multiple hats, working directly with our engineering teams to translate geological insights into actionable deployment strategies while also getting your hands dirty with field operations and data collection. In true startup fashion, you'll move fast, make decisions with incomplete information, and adapt quickly as we learn from each deployment. Your geological expertise will be fundamental to our mission of scaling clean energy infrastructure globally, and you'll have the autonomy to shape how we approach subsea geology as the company grows.
Key Responsibilities
  • Take ownership of geological and drilling decision-making with limited oversight and tight timelines
  • Lead geological site assessment and characterization for subsea geothermal installations along mid-ocean ridges and hydrothermal systems
  • Develop drilling strategies and wellbore designs optimized for subsea geothermal energy extraction
  • Analyze seafloor geology, heat flow patterns, and hydrothermal fluid characteristics to identify optimal drilling locations
  • Interpret geophysical surveys, bathymetric data, and subsurface imaging to map geological structures and thermal anomalies
  • Design and oversee geological sampling programs using ROVs, submersibles, and specialized drilling equipment
  • Collaborate with marine operations teams to plan and execute subsea drilling campaigns
  • Rapidly assess geological risks including seismic activity, seafloor stability, and thermal system variability
  • Create geological models to predict long-term reservoir performance and system sustainability
  • Support environmental impact assessments and regulatory permitting processes
  • Work across multiple disciplines - from geology to engineering to business development - as needed to move projects forward
Qualifications
  • Bachelor's or master's degree in Geology, or Petroleum Engineering or related discipline (MS or PhD preferred).
  • Direct experience with drilling operations, including oil and gas, geothermal systems (including EGS), and/or deep water wells (2,000+ ft.). Demonstrated track record managing drilling projects with cumulative budgets in the $10M-$100M+ range.
  • Familiarity with drilling techniques, wellbore design, and completion techniques
  • 4+ years of experience in the subsurface fluid resource sector (oil and gas, solution mining, or geothermal); experience at an operator strongly preferred.
  • Demonstrated ability to manage project budgets and control costs.
  • Experience interpreting geophysical data, (seismic, magnetics, etc.), well logs, and other subsurface geological information.
  • Background in hydrothermal systems, volcanic geology, or geothermal resource assessment
  • Ability to thrive in ambiguous, fast-moving environments with minimal structure and maximum autonomy
  • Comfortable making critical geological decisions with incomplete data and tight deadlines
  • Strong bias toward action and hands-on problem solving
  • Excellent adaptability and willingness to tackle challenges outside traditional geological scope
Preferred Skills
  • Offshore geoscience operations, including field experience on research vessels or offshore drilling platforms
  • Experience with ROV/AUV operations and subsea geological sampling techniques
  • Knowledge of reservoir engineering principles and geothermal fluid dynamics
  • Understanding of seafloor drilling systems (riserless drilling, seafloor templates, subsea wellheads)
  • Experience with geological risk assessment for offshore energy projects
  • Background in structural geology, tectonics, or volcanology
Benefits & Perks
  • Global Fieldwork: Travel to fascinating deployment sites along oceanic ridges in locations like the Pacific Northwest, Hawaii, Iceland, Japan, New Zealand, and the Azores
  • Hands-on Experience: Participate in sea trials and deployment operations in partnership with leading oceanographic institutions
  • Cutting-edge Development: Work with technology that spans high-power electronics, marine systems, and clean energy
  • Impactful Work: Help solve one of the world's most pressing challenges
  • Competitive Compensation: Comprehensive salary and equity packages
  • Benefits: Vision, Dental, Health insurance coverage
  • Dive Certification: Company-sponsored recreational dive certification

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