Senior Geologist

Senior Geologist Nacco Natural Resources Corporation United States, Texas, Plano 5340 Legacy Drive (Show on map) Apr 01, 2026 CURRENT

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Employee Type:

Regular NACCO Natural Resources is seeking a senior geologist to lead the collection, organization and interpretation of geologic data as needed to build geologic models and reports. This role will plan, organize and conduct drilling programs to support marketing efforts and company mines, as needed, and prepare Mineral Resource and Mineral Reserve disclosures for various regulatory organizations.

Job Description:

Essential Duties:

Interpret drill hole geophysical logs, lithologic logs and assays to determine the thickness, depth and volume of various geologic units Organize large quantities of geologic data to develop input files for geologic modeling Build geologic models using Vulcan, Origin or similar software Plan, organize and execute drill programs to support marketing efforts and company mines, including: Determining the number, type and location of drill and core holes needed to meet project objectives Developing detailed plans and cost estimates for drilling programs Preparing requests for proposals, evaluating contractor bids and recommending contractor selection Drafting and managing drilling contracts Lead drilling programs, including: Supervising drill and geophysical logging crews Preparing drill hole cuttings and core lithological descriptions Coordinating packing and shipment of core samples for laboratory analysis Prepare maps, cross sections, resource and reserve estimates and technical report content for mine permitting and regulatory applications Other duties: Present geologic information to company management and external stakeholders Investigate geologic issues and respond to information requests, as needed

Knowledge, Skills, and Abilities:

Experience in geostatistical principles and geostatistical modeling required Proficiency in Microsoft Excel required Working knowledge of Microsoft Word, AutoCAD, ArcGIS and SQL database management desired Strong verbal and written communication skills, with the ability to collaborate effectively with geologists, mining engineers, marketing personnel, company management, contractors and external stakeholders Experience modeling across multiple commodities and geological settings preferred Ability to serve as a Qualified Person under SK-1300 and

NI 43-101

regulations

Education, Training, and Experience:

Bachelor's degree in geology or related discipline; equivalent experience may be considered Professional registration required, or ability to obtain professional registration within one year Minimum of five years of relevant experience required

ANALYSIS OF PHYSICAL DEMANDS OF POSITION

Position:

Senior Geologist Indicate Frequency

• Describe job duties that require physical demands for checked.

for those that apply:

1-Standing Photocopying; meetings; filing; presentations; field work 1-Walking Visit employee's offices; go to telecopy/photocopy machines, printers, computer work stations, file rooms/libraries, meetings; mine tours; field work 3-Sitting Computer work; desk work; meetings; travel 0-Lifting 70 lbs. Moving boxes, books, luggage, bags of core samples 0-Carrying 70 lbs. Moving boxes, books, food trays, bags of core samples 1-Pushing 30 lbs. Closing desk/file cabinet drawers; moving boxes; using dolly/mail cart; opening/closing doors 1-Pulling 30 lbs. Opening desk/file cabinet drawers; moving boxes; using dolly/mail cart; opening/closing doors 0-Climbing Retrieving/placing objects from/to top shelves; going to boardroom; filing; mine tours 0-BalancingRetrieving/placing objects from/to top shelves; mine tours 0-Stooping Filing; packing boxes; moving boxes; field work; digitizing 0-Kneeling Filing; field work 0-CrouchingFiling; packing boxes; moving boxes; field work 1-Reaching Retrieving/placing objects from/to top shelves; filing; desk work; digitizing 3-Fingering Computer work; calculator; paper work; writing 2-Grasping Talking on telephone; picking up books/files; digitizing; packing core samples; holding luggage 2-Speaking Discussing assignments/projects/ideas/situations; giving instructions; presentations; meetings; telephone/voice mail 2-Hearing Discussing assignments/projects/ideas/situations; receiving instructions; presentations; meetings; telephone/voice mail 3-Seeing Reading; writing; computer work; desk work; presentations 0-Depth PerceptionDriving 0-Color Vision Graphics work 2-Repetitive MotionTyping; working on calculator; bind reports; writing

Frequency Legend:

0 = Intermittent 1 = Occasionally (0

• 1/3 of workday) 2 = Frequently (1/3
• 2/3 of workday) 3 = Continually (2/3
• 3/3 of workday)

WORKING CONDITIONS

Requires some travel by automobile and/or commercial airlines within the U.S. and internationally. Field work activities are sometimes conducted in extreme weather.

EEO Statement:

We are an equal opportunity employer and we do not discriminate. You must meet at least the specific minimum requirements listed above to be considered a qualified applicant.