CURRENT EMPLOYEES - Please apply using "Jobs Hub" in Workday. This career site is for external applicants only. Employee Type: Intern (Trainee) This program is designed for students currently pursuing an associate or technical degree, who have completed a portion of their curriculum, and will be completing their program after the internship experience. It is not designed for graduates. The successful applicant will be support as a diesel / auto mechanic on scrapers, blades, dozers, haul trucks, miscellaneous small equipment and light vehicles. 3-month positions (May 2027 through August 2027) 8-month positions (May 2027 through December 2027) Job Description: Duties / Tasks: Duties at the surface coal mine will be wide and varied, based on needs of the operation. These duties may include all or some of the following: Perform safety inspections and corrections. Perform mechanical work on heavy equipment and small diesel engines. Remove and install engines and components. Assemble and disassemble engines, brake adjustments, repair clutches and wheel bearings. Perform general repairs on trucks, tractors and light vehicles. Perform engine tune ups and field work. Service, operate and test large equipment. Clean the shop. Perform job duties in accordance with MSHA law and regulations, established company safety procedures, and state and federal environmental regulations. Other duties as assigned. Qualifications: Required Enroll in an accredited diesel mechanic / automotive program and in good academic standing with the college or university. Completed a portion of college in the associated field of study and intents on completing the degree. Applicants need to have a valid driver’s license Able to work outdoors in extreme weather conditions Able to work rotating shifts. Steel-toed Shoes Benefits: Medical, Dental and Vision Insurance 401K & Company Match Paid Time Off Paid Holidays Intern Fees Paid (approval required) Housing stipend Starting Salary: $33.20 (Hourly) Starting Date: May of 2027 End Date: August of 2027 or December of 2027 For additional questions contact: Libby Werth (701) 250-2623 or libby.werth@nacoal.com Tara Berger (701) 250-2489 or tara.berger@nacoal.com Annette Presser (701) 250-2427 or annette.presser@nacoal.com ANALYSIS OF PHYSICAL DEMANDS FOR POSITION: Intermittent: None Occasionally (0 -1/3 of workday): Lift and carry 70 lbs. (tools and equipment), push and pull 80 lbs. (tool boxes, tools and equipment), grip 80 lbs. (using tools), pinch 15 lbs. (small nuts, bolts or wire), sitting, low level activity, elevated activity, and climbing Frequently (1/3 – 2/3 of workday): Lift and carry 50 lbs. (tools and equipment), push and pull 50 lbs. (tools and equipment), grip 40 lbs. (using tools), pinch 8 lbs. (small nuts, bolts or wire), hand coordination, bend and reach. Continually (2/3-3/3 of workday): Lift and carry 25 lbs. (tools and equipment), push and pull 25 lbs. (tools and equipment), grip 20 lbs. (using tools), pinch 4 lbs. (small nuts, bolts or wire), stand and walk (around the shop and while working on equipment). NOTE: This position requires working rotating shifts. The role involves approximately 80% indoor work and 20% outdoor work. Employees must be able to work while wearing required personal protective equipment (PPE), including but not limited to steel-toe boots, safety glasses, a hard hat, face shield, and respirator. Must also successfully pass a Motor Vehicle Record (MVR) check and the applicable Job Function Test (JFT). External individuals interested should apply online at: www.nacoal.com/careers. Advertising and Application dates: September 11, 2026 – TBD 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. We’re fortunate to have some of the most talented and experienced professionals in the coal mining industry on our team. We trust and empower our people to always do the right thing, look out for one another, and draw on their collective expertise to provide efficient and cost-effective solutions for every customer.

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