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OnCore Assistant Maintenance Manager

Job in Big Spring, Howard County, Texas, 79720, USA
Listing for: Atlas Sand
Full Time position
Listed on 2026-02-28
Job specializations:
  • Manufacturing / Production
    Operations Manager
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below

Who We Are

Atlas Energy Solutions Inc. (NYSE: AESI) is a leading solutions provider to the energy industry. Atlas’ portfolio of offerings includes oilfield logistics, distributed power systems, and the largest proppant supply network in the Permian Basin. With a focus on leveraging technology, automation, and remote operations to enhance efficiencies,Atlas is centered around a core mission of improving human beings’ access to hydrocarbons that power our lives and, by doing so, maximizing value creation for our shareholders.

How

You Will Make an Impact

The OnCore Assistant Manager will be responsible for the operations of multiple OnCore Mobile Processing units. Under the direction of the OnCore Manager, supervises overall operations of the wet plant and loadout function and staff.

Key Responsibilities
  • Assists in the preparation and carries out operational and production schedules and coordinates frac sand mining activities with the operations team to ensure 24/7 production and quality of products meet plans and specifications.
  • Directs the activities of the OnCore leadership to ensure effective short and long-term plant operations.
  • Maintains and optimizes metrics relevant to safety, efficiency, quality, costs and other relevant aspects of plant operations.
  • Provides data and input that is used to analyzes personnel team and selects the best method to meet production goals.
  • Ensures safety and environmental practices are maintained and all regulatory requirements are met and exceeded.
  • Monitors costs and quality standards, and establishes and maintains standards.
  • Resolves operational, manufacturing, maintenance, and electrical problems to ensure minimum cost and prevent operational delays.
  • Ensures compliance with production reporting and inventory procedures for the operation.
  • Maintains communications with, Purchasing, Human Resources, Quality, Safety, and Environmental departments.
  • Maintains a positive employee relations environment, while properly motivating and documenting workforce performance.
  • Maintains staff by recruiting, selecting, orienting, training and developing employees.
  • Prepares performance evaluations of direct reports, providing counseling on methods of improving performance and disciplining employees when necessary, enforcing company systems, policies and procedures.
  • Ability to operate front-end loader, scraper, bulldozer and other equipment and provide proper training as needed.
  • Performs other duties as needed.
Qualifications
  • Progressive leadership experience gained over at least five (5) years in an operating plant environment preferred.
  • A minimum of three (3) years of operations leadership experience in silica, aggregate or similar facility required.
  • Strong mechanical knowledge in plant maintenance and rolling stock; prior experience operating front end loader, scraper, bulldozer and other support equipment.
  • Strong electrical/control knowledge in plant systems with and understanding of PLC’s, VFD, and sensors
  • Comfortable working outside in the elements; need to be hands‑on and frequently active in the operation of the plant.
  • Proficient in Microsoft Word, Excel and Power Point
  • Your Well-Being is a Priority. 100% covered Medical, Dental, and Vision
  • Invest in Your Future. 401K with company match, immediate vesting
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