Liberty Oilfield Services jobs

Qualifications & Requirements: * 1-3 years' experience as a heavy equipment operator. * Comprehends documents such as safety rules, operating maintenance instructions, load charts, and procedure manuals. * May be required to work overtime based on business and facility needs. * Working knowledge of equipment capabilities and limitations. * Must be able to perform each essential duty satisfactory and with utmost regard to safety. * Must have a valid driver's license. * Ability to understand technical instructions. Indicators & Attributes for Success: * Ability to stay on task and follow through * Attention to detail * Safety conscious * Customer/Client focus * Positive attitude * Prioritization skills * Accountability * Ethical practice * Strong team-player Primary Responsibilities: * Safe operation of excavator/backhoe/telehandler/front end loader/ haul truck. * May build level and excavate land surfaces using graders and other construction equipment. * Performs duties with an awareness to avoid overloading, obstruction of equipment movement, working with overhead utilities, etc. * Effectively communicates to all site personnel. * Maintains daily logs of equipment usage, fuel, maintenance, etc. * Daily & routine maintenance of equipment (including, but not limited to, greasing, fueling, cleaning equipment). * Identifies, reports, and corrects hazards within the employee's capability. * Performs tasks maintaining all health, safety and environmental rules and ensures all work is done in a manner which enhances the safety of the work environment. * Other Duties: This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this position. Duties, responsibilities and activities may change at any time with or without notice. Working Conditions/Environment: * Regularly operates in a highly safety-conscious environment, outdoor and indoor. * Regularly exposed to dust, odors, oil, fumes, and noise. * Regularly be exposed to a noisy environment, with heavy machinery. Salary: $26/Hr-$29/Hr Compensation for the role will depend on a number of factors, including a candidate's qualifications, skills, competencies, and experience and may fall outside of the range shown. Benefits: At LOS, our total employee benefits include, but are not limited to, the following: Medical, Dental, Vision, Prescription Drug (Rx) Voluntary Life Insurance for Employee, Spouse, & Child(ren) Employee Basic Life and AD&D Insurance - Company Paid Short Term & Long Term Disability - Company Paid 401(k) or Roth 401(k) Retirement Plan, plus a company match Parental Leave Flexible Paid Time Off And many other benefits not listed here

The Cement Pump Packer performs regular maintenance on fluid ends, centrifugal pumps, cement pumps, bulk trailers, field bins, and tractors while ensuring all repairs are recorded in the appropriate work order through the Manager Plus system. Responsibilities Perform fluid end maintenance, such as inspect, and repair fluid ends for damaged or worn parts; inspect tie rods and tie bars for proper torque; inspect packing bore for wear and retainer nuts for cracked or broken threads; replace valves and seats; replace packing as required. Performa centrifugal pump maintenance, such as repack or rebuild centrifugal pumps as needed and paint centrifugal pumps after rebuilding and assign asset numbers. Perform cement pump maintenance, such as troubleshoot air leaks and valves that leak; replace actuators and valves as needed; rebuild actuators and valves as required; remove iron for testing and certification and reinstall after completed. Perform bulk trailer and field bin maintenance, such as troubleshoot and replace actuators or valves that do not work properly; troubleshoot fluffers not working correctly and replace check valves as needed; determine if fluffer pads need to be replaced; troubleshoot and replace faulty check valves; troubleshoot and replace safety pop off valves; check and adjust cut-in valves; assist crew in removing cemented plumbing and chipping cement out of tub; perform oil and filter changes when requested by shop lead. Conduct preventative maintenance, oil changes, and filter changes to tractors as directed by the shop lead. Ensure all maintenance work and repairs are documented in Manager Plus work orders. Maintain compliance with Health, Safety, and Environmental (HSE) policies by attending all required HSE training sessions, safety meetings, and always utilize proper Personal Protective Equipment (PPE). Other duties as assigned. Qualifications Minimum 2 years as a pump technician preferred. Minimum 2 years in a cementing or frac pump maintenance or similar role preferred. High School diploma, GED, or equivalent, required. Maintain a valid current driver's license and a clean driving record preferred. English speaker preferred. Oil and Gas Industry experience preferred. Must be Forklift Operator certified or willing to obtain required certification. Experience managing inventory preferred. Physical Demands The physical demands described here represent those required for an employee to successfully perform the role's essential functions. Reasonable accommodation may be made for individuals with disabilities to perform their major responsibilities. While performing the duties of this job, the employee is regularly required to sit, stand, or walk; use hands to manipulate, handle, or feel; reach with hands and arms; stoop or bend; and talk or hear. The employee must occasionally lift and/or move up to 50 lbs. Work Environment The work environment characteristics described here represent environmental conditions an employee will encounter while performing the role's essential functions. The noise level in some work environments can be moderate and an employee may encounter extreme weather conditions while performing major duties. Reasonable accommodation may be provided for individuals with disabilities to perform their major responsibilities. Disclaimer The information provided in this indicates the general nature and level of work performed by employees within the role's classification. This job description is not to be interpreted as a comprehensive inventory of all duties, responsibilities, qualifications required of employees assigned to this role. ProPetro is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

About us: Started in 1977, Cudd Energy Services provides customers with more than four decades of industry-leading experience for operational excellence in a wide range of oil and gas service-related applications. From drilling through production, we deliver high-quality solutions for some of the most complex issues faced by modern-day oil and gas operators, carrying on the time-honored tradition established by our founder Bobby Joe Cudd. Our commitment to delivering unrivaled service is founded on the pursuit and development of highly efficient technology along with a dedication to QHSE diligence. With resources and personnel strategically located throughout the major basins, we maintain a customer-centered, operational focus so we can continue to offer the best services by engineering results for optimal performance. About the role: The Equipment Operator is the backbone of our operations and customer service. You will perform advanced hydraulic fracturing operations and assist in various aspects of the job including pre-job preparation, mobilization, rig up, on site operations, rig down, on-site maintenance, safety, environmental assurance, de-mobilization, post job inventories, and maintenance. The Equipment Operator ensures that all assigned equipment is properly functioning and applicable procedures and tests are conducted in compliance with company standards. Essential duties include the following: * Performs pre-trip and post-trip inspections, as needed. * Follows supervisor guidance concerning all Frac related operations. * Attends all required safety meetings (on-site and off). * Cross-trains at other Districts, as necessary, to gain required experience and training. * Performs general labor, as necessary. What we're looking for: Our best Equipment Operators share the following traits and experience: * Willingness to work as a team to meet the customer's needs * Commitment to excellence in the face of adversity * Attention to detail * Respect for safety * Experience running frac equipment (sand, pumps, blender, liquid additive systems) * Class A CDL (manual transmissions) What to expect: We believe in transparency and want you to be prepared for the role. On the job you will experience: * Approximately 12 hour per day work shifts * Two week rotations away from home * Working outdoors in all weather conditions during the day/night * Roughly 10% driving, and 90% operating and maintaining equipment * Climbing ladders, carrying hoses and iron, swinging a sledgehammer, and other physical tasks What we offer: Challenging work deserves competitive compensation: * Base pay: $17.50 - $26 p/hr. * Overtime pay: $26.25 - $39 p/hr. * Approximately 80 - 90 hours per week, often more * Health insurance with great coverage and low rates * Training program and career path with opportunities for advancement Join us: Apply Now if you want to start your career with Cudd and join the industry leader in customer service! Equal Opportunity Employment

Operates Pressure Control Equipment (Power Source, Reel Trailer, Control Cabin, Injector, Coiled Tubing Unit) and performs Level 2 Maintenance.Demonstrated competency in operations of job specific equipment. Perform level-2 maintenance, as necessary. Demonstrated competency in the use and operation of Data Acquisition System (DAS). Understands and performs pre-trip and post-trip inspections, as needed. Follows supervisor guidance concerning all Coiled Tubing related operations. Assists in various aspects of Coiled Tubing operations which may include pre-job and preparation, mobilization, rig up, on site operations, rig down, on-site maintenance, safety, environmental assurance, de-mobilization, and post job inventories and maintenance, as well as assist the Coiled Tubing Supervisors, as needed. Performs any and all Coiled Tubing services job duties for which they have been trained and are qualified to perform, including general labor, as necessary. Other duties as assigned. Equal Opportunity Employer

Performs as the Water Management Job Supervisor for Biocide and Remediation Services. Supervises other employees while carrying out the objectives of the district and must exercise independent judgment and discretion in performing the job duties to which he is assigned safely and proficiently. Essential duties include the following: * Champions the company's H.S.E.&T program in all aspects of work performed to provide quality service in a safe and efficient manner. * Supervises various aspects of Water Management operations and personnel, which may include pre-job and preparation, mobilization, rig up, on site operations, rig down, on-site maintenance, safety, environmental assurance, de-mobilization, and post job inventories and maintenance. * Understands and perform pre-trip and post-trip inspections, as needed. * Conducts required safety meetings (onsite and off). Use independent judgment and discretion to identify specific topics to be addressed at each meeting. Answers questions raised by employees and takes follow-up action, when necessary to resolve issues that arise during day-to-day operations and safety-related issues or occurrences. * Manages the accuracy and completion of data into MESO. * Follows manager guidance concerning all Water Management related operations. * Ensures that all equipment assigned to them is properly functioning and all applicable procedures and tests are conducted in compliance with required standards. * Monitors and makes recommendations which may affect conditions of employees' employment, including hiring, firing, advancement, promotion, compensation, disciplinary actions, or any other change of status of subordinate employees. * Evaluates issues raised by management and exercise independent judgment and discretion to determine proper protocol for implementing changes, when necessary, with the district. * Manages crew time sheets. * Performs any and all job duties as assigned by supervisory personnel including general labor, as necessary. * This position is required to perform safety sensitive functions as defined in the CES Drug and Alcohol Plan. Equal Opportunity Employment

The Category Manager oversees and manages strategic sourcing activities and supplier relationships for assigned categories; secures the highest quality materials, goods, and services at the lowest price; and acts as supervisory direct report for assigned personnel. Responsibilities Analyze spend portfolio to determine procurement approach for assigned categories based on magnitude of dollars, strategic importance, and opportunity for value delivery Develop a comprehensive understanding of the assigned category, including customer needs, market trends, and competitive landscape Create and execute strategic plans to achieve category objectives and drive profitability Identify opportunities for product innovation, differentiation, and expansion within the category Maintain current knowledge of industry best practices and technology trends (i.e., participate in training programs, professional organizations, attend seminars, and research periodicals or studies, etc.) Source, evaluate, and onboard new vendors that align with the category strategy and meet quality and cost requirements Manage strategic business relationships with internal and external suppliers to comprehensively understand business requirements Negotiate terms and contracts with vendors (i.e., pricing, payment terms, and promotional support) Maintain ongoing relationships with vendors to ensure product availability, quality control, and adherence to agreed-upon terms Conduct regular market research and analysis to monitor industry trends, consumer behavior, and competitive activity Utilize data analytics tools and techniques to extract insights and identify category growth and improvement opportunities Stay informed about emerging technologies, market disruptions, and regulatory changes that may impact the category Analyze profitability metrics to identify areas for improvement and implement corrective actions as needed Work closely with inventory planning and warehousing teams to ensure optimal category inventory levels Utilize metrics, tools, or processes, and work collaboratively with team members to optimize sourcing, supplier activities, and efficiencies Minimize stockouts and excess inventory (i.e., forecast demand, monitor inventory turnover, and implement replenishment strategies) Identify slow-moving or obsolete inventory Develop strategies to liquidate or mitigate inventory risks Partner with cross-functional teams to align category strategies with overall business objectives (i.e., Sales, Marketing, Operations, Finance, and Engineering) Communicate category plans, priorities, and performance metrics to stakeholders, soliciting input and feedback as needed Collaborate on joint initiatives and projects that require cross-functional coordination and support Oversee and evaluate document retention practices to ensure compliance with Sarbanes Oxley (SOX) requirements Ensure subordinates, internal customers, and vendors follow applicable laws and regulations Act as supervisory direct report for assigned personnel (i.e., performance management, corrective action, training, defining daily priorities, creating work schedules, etc.) Manage time and attendance for assigned personnel including timecard approval or paid time off Oversee the hiring of assigned personnel (i.e., collaborate with Human Resources recruiters, perform interviews, select qualified talent, etc.) Maintain compliance with Health, Safety, and Environmental (HSE) policies by attending all required HSE training sessions, safety meetings, and always utilize proper Personal Protective Equipment (PPE) Other duties as assigned Qualifications Minimum 5 years of relevant experience (equivalent education will be considered in lieu of experience) Bachelor's Degree, required Oil and gas industry experience, strongly preferred Experience in a Managerial or leadership role, preferred Strong leadership characteristics, able to coach, mentor, train, track performance, enact corrective action, and delegate duties to a team Personable and collaborative, able to work with cross-functional teams to reach a common objective Good written and verbal communication skills, able to effectively communicate with vendors and personnel at all levels of the organization Highly organized and detail oriented with strong time management skills Strong critical thinking and analytical skills, able to utilize data to shape objectives Proficient working with Microsoft Office 365 applications and able to quickly other work-related software systems Physical Demands The physical demands described here represent those required for an employee to successfully perform the role's essential functions. Reasonable accommodation may be made for individuals with disabilities to perform their major responsibilities. While performing the duties of this job, the employee is regularly required to sit, stand, or walk; use hands to manipulate, handle, or feel; reach with hands and arms; stoop or bend; and talk or hear. The employee must occasionally lift and/or move up to 20 lbs. Work Environment The work environment characteristics described here represent environmental conditions an employee will encounter while performing the role's essential functions. The noise level in some work environments can be moderate and an employee may encounter extreme weather conditions while performing major duties. Reasonable accommodation may be provided for individuals with disabilities to perform their major responsibilities. Disclaimer The information provided in this indicates the general nature and level of work performed by employees within the role's classification. This job description is not to be interpreted as a comprehensive inventory of all duties, responsibilities, qualifications required of employees assigned to this role. ProPetro is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Performs advanced hydraulic fracturing operations and related functions for designated District. Essential duties include the following: * Assists in various aspects of hydraulic fracturing (stimulation) operation, including pre-job preparation, mobilization, rig up, on site operations, rig down, on-site maintenance, safety, environmental assurance, de-mobilization, post job inventories and maintenance. * Ensures that all equipment assigned is properly functioning and all applicable procedures and tests are conducted in compliance with company standards. * Performs pre-trip and post-trip inspections, as needed. * Cross-trains at other districts, as necessary, to gain required experience and training. * Follows supervisor guidance concerning all Frac related operations. * Attends all required safety meetings (on-site and off). * Performs general labor, as necessary. Equal Opportunity Employer

Performs general engineering functions related to oil and gas well services. Essential duties include the following: * Champions the company's H.S.E.&T program in all aspects of work performed to provide quality service in a safe and efficient manner. * Maintains a working knowledge of the oil field "jobs" contracted for by the company. * Interacts with the customer and others at the job site in a manner that is effective and promotes a positive image for the company. * Performs job calculations, monitors jobs, prepares post job reports, executes job designs, pricing and maintains quality control. * Performs various mathematical calculations as required in oil field stimulation operations. * Performs and oversees Job Quality testing in the lab and at the job site. * Operates design and monitoring software at the facility and on the job site. * Prepares job proposals and designs as required. * Assists the District Engineer and/or District Manager in day-to-day operations of the district and provides technical sales support to the district staff. * Performs any and all job duties as assigned by supervisory personnel including general labor, as necessary. * This position is required to perform safety sensitive functions as defined in the CES Drug and Alcohol Plan. Equal Opportunity Employer

The Field Mechanic is responsible for performing intermediate-level maintenance, diagnostics, and repair tasks on a variety of machinery and equipment in the field. Our vision is to develop a team of highly skilled mechanics focused on equipment maintenance and reliability, guided by our core values of ownership, safety, quality, continuous improvement, and collaboration. This position requires moderate experience, the ability to work independently, and a great attitude with a focus on professionalism and improvement. Responsibilities Service, maintain, and ensure proper function of hydraulic fracturing equipment pumps and pneumatic systems Perform basic mechanic duties (i.e., filter changes, diagnostics, repairs, etc.) Install and/or replace new or reconditioned repair parts and create work orders for all discovery work and performed repairs Maintain accurate records of maintenance activities (i.e., order parts using Power Apps, generate QC daily reports, etc.) Immediately communicate failures to Field Mechanic Lead or Supervisor Supply own tools for each shift. Perform general housekeeping of parts trailer, service trucks, and work area Safely drive a company vehicle day or night, on all road types, and in all weather conditions Maintain compliance with Health, Safety, and Environmental (HSE) policies by attending all required HSE training sessions, safety meetings, and always utilize proper Personal Protective Equipment (PPE) Follow HSE procedures on location (watch for high pressure lines, observation of red zone boundaries, perform lock out tag out, etc.) Other duties as assigned Qualifications 2 + years mechanical experience, required A Technical Associates degree or certificate is preferred High School diploma or equivalent, required Maintaining a current, valid driver's license and a clean driving record, required Must know basic hydraulic fracturing equipment, pump and blender operations, and be able to identify key blender components Must be familiar with electronic instrumentation and automation equipment Clear communication skills, able to effectively interact with team members, leads, and supervisors Must be able to communicate, read, and write in English Basic knowledge of Microsoft Office 365 applications, Power Apps, and able to quickly learn other work-related software Safety conscious, observant, and willing to use stop work authority when necessary Must be physically able to safely perform duties during a 12+ hour work shift that will include days, nights, holidays, and weekends Must be physically able to safely perform duties in all weather conditions including extreme heat or cold Must be physically able to remain alert and safe during exposure to moving mechanical parts, fumes, toxic chemicals, airborne particles, and moderate to loud noises Must be physically able to bend, stoop, kneel, twist, crawl, walk on uneven surfaces, and climb equipment ladders or stairs throughout the work shift Must be physically able to safely lift or move 50 lbs. without assistance Daily bonus for days worked, subject to change Housing provided depending on work site location proximity to office/yard CAT Class Factory/Tri-Tech training ProPetro & Dynamic Gas Blending (DGB) Training Physical Demands The physical demands described here represent those required for an employee to successfully perform the role's essential functions. Reasonable accommodation may be made for individuals with disabilities to perform their major responsibilities. While performing the duties of this job, the employee is regularly required to sit, stand, or walk; use hands to manipulate, handle, or feel; reach with hands and arms; stoop or bend; and talk or hear. The employee must occasionally lift and/or move up to 50 lbs. Work Environment The work environment characteristics described here represent environmental conditions an employee will encounter while performing the role's essential functions. The noise level in some work environments can be moderate and an employee may encounter extreme weather conditions while performing major duties. Reasonable accommodation may be provided for individuals with disabilities to perform their major responsibilities. Disclaimer The information provided in this indicates the general nature and level of work performed by employees within the role's classification. This job description is not to be interpreted as a comprehensive inventory of all duties, responsibilities, qualifications required of employees assigned to this role. ProPetro is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

The Cement Laboratory Technician conducts cement, water, and oilfield chemical tests in the organization's cement laboratory; prepares cement mixtures and chemical solutions following standard formulas or customer specifications; compiles and interprets data from tests, writes reports, and inputs data into databases; and maintains laboratory inventory. Responsibilities Conduct cement, water, and oilfield chemical tests in the organization's cement laboratory Conduct experiments, tests, and analyses using laboratory methods(i.e., chromatography, spectroscopy, microscopy, and physical or chemical separation) Operate standard oilfield lab equipment (i.e., cement consistometers, ovens, water baths, bench top rheometers (viscometers), water analysis kit, etc.) Prepare cement mixtures and chemical solutions following standardized formulas or customer specifications Maintain quality standards by sampling or analyzing raw materials, chemical intermediates, or products Collaborate with Cement Engineers to develop customer specified cement mixes, assist with experimental design, develop new processes, develop new chemical engineering techniques, and provide technical support Ensure compliance with customer specifications and organizational standards by monitoring product quality Compile and interpret data from test and analyses, write technical reports, and input data into proper databases Maintain laboratory inventory and order replenishment supplies Maintain laboratory cleanliness, perform housekeeping duties, and ensure instruments are properly sterilized prior to each new use Maintain compliance with standard laboratory safety practices, chemical handling regulations, and assist in laboratory safety audits Maintain compliance with Health, Safety, and Environmental (HSE) policies by attending all required HSE training sessions, safety meetings, and always utilize proper Personal Protective Equipment (PPE) Other duties as assigned Qualifications High school diploma or equivalent required Current, valid driver's license and a clean driving record preferred Must be able to learn analytical and scientific software Must be able to learn and follow safe laboratory and chemical handling procedures Excellent oral and written communication skills, able to effectively interact with customers and personnel at all levels of the organization Strong analytical and critical thinking skills, able to compile, interpret, and utilize relevant data to inform products and processes Personable with good collaboration skills, able to effectively work with a team Organized with good time management skills, able to prioritize workload Strong mathematical skills Proficient working in Microsoft 365 applications, specifically Excel, and able to quickly learn other work related software Must be physically able to climb, balance, stoop, kneel, crouch, crawl, talk, hear, and smell when necessary Able to safely perform required duties during a 12+ hour work shift that will include days or nights, weekends, and holidays Must be physically able to lift and/or move up to 50 lbs. Physical Demands The physical demands described here represent those required for an employee to successfully perform the role's essential functions. Reasonable accommodation may be made for individuals with disabilities to perform their major responsibilities. While performing the duties of this job, the employee is regularly required to sit, stand, or walk; use hands to manipulate, handle, or feel; reach with hands and arms; stoop or bend; and talk or hear. The employee must occasionally lift and/or move up to 50 lbs. Work Environment The work environment characteristics described here represent environmental conditions an employee will encounter while performing the role's essential functions. The noise level in some work environments can be moderate and an employee may encounter extreme weather conditions while performing major duties. Reasonable accommodation may be provided for individuals with disabilities to perform their major responsibilities. Disclaimer The information provided in this indicates the general nature and level of work performed by employees within the role's classification. This job description is not to be interpreted as a comprehensive inventory of all duties, responsibilities, qualifications required of employees assigned to this role. ProPetro is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

The Cement Service Supervisor oversees cement field operations personnel on location, ensures all cement equipment is operational, troubleshoots equipment failures, and inputs invoices into system. Responsibilities Oversee cement equipment service operations on location Ensure equipment is maintained and operational Perform quality control checks throughout job to ensure customer job requirements are met Ensure all required materials and equipment are prepared for each job Maintain regular communication and a working relationship with customer representative and company man Perform down hole and cement volume calculations Rig up and rig down equipment Assist crew and operate equipment when necessary Troubleshoot equipment issues or failures and provide solutions Input invoices into the system, ensure correct discounts are applied, and confirm charges for chemicals or additives are correct Complete and submit required Railroad Commission paperwork Spot and direct convoy and moving equipment safely Ensure trucks and equipment are fueled Oversee and assist in housekeeping on location before, during, and after the job Perform vehicle and equipment inspections to ensure proper fluid levels, functioning brakes, working lights, and safe tire condition Document and report any defective equipment Communicate all equipment issues and failures to Cement Field Supervisor Communicate all hours of operation issues (bottlenecks) to Cement Field Supervisor Conducts a proper Job Safety Analysis (JSA) prior to work start Maintain compliance with Health, Safety, and Environmental (HSE) policies by attending all required HSE training sessions, safety meetings, and always utilize proper Personal Protective Equipment (PPE) Other duties as assigned Qualifications Minimum 2 years' experience working in cement equipment service operations required Maintain a valid current driver's license and a clean driving record required Valid current CDL-A preferred Able to operate and perform maintenance on vehicles or relevant equipment required Strong verbal and written communication skills, able to give and follow directions in English Personable, able to effectively interact with clients and personnel at all levels of the organization Proficient math skills, able to perform calculations Must be self-motivated, independent, and reliable with a strong work ethic Has a mechanical aptitude and knowledge of safe hand tool use Must be physically able to bend, stoop, kneel, twist, crawl, walk on uneven surfaces, and climb equipment ladders or stairs throughout the work shift Must be physically able to work indoors and outdoors with possible exposure to extreme weather conditions Must be physically able to safely lift or move up to 50 lbs. without assistance Physical Demands The physical demands described here represent those required for an employee to successfully perform the role's essential functions. Reasonable accommodation may be made for individuals with disabilities to perform their major responsibilities. While performing the duties of this job, the employee is regularly required to sit, stand, or walk; use hands to manipulate, handle, or feel; reach with hands and arms; stoop or bend; and talk or hear. The employee must occasionally lift and/or move up to 50 lbs. Work Environment The work environment characteristics described here represent environmental conditions an employee will encounter while performing the role's essential functions. The noise level in some work environments can be moderate and an employee may encounter extreme weather conditions while performing major duties. Reasonable accommodation may be provided for individuals with disabilities to perform their major responsibilities. Disclaimer The information provided in this indicates the general nature and level of work performed by employees within the role's classification. This job description is not to be interpreted as a comprehensive inventory of all duties, responsibilities, qualifications required of employees assigned to this role. ProPetro is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

The Planning and Logistics Coordinator 1 tracks the location of all hydraulic fracturing equipment; maintains constant communication with relevant organizational departments regarding maintenance workload, work orders, and equipment status updates; performs and verifies equipment tracker updates; and coordinates all Heavy Haul equipment movement. Responsibilities Track the location of all hydraulic fracturing equipment Follow the maintenance yard flow chart to coordinate equipment through the yard Maintain constant communication with relevant organizational departments regarding maintenance workload, work orders, and equipment status updates Verify the accurate completion of work orders and performance of proper testing before clearing equipment for field operation Perform updates in the equipment tracker Verify that equipment tracker notes match all open work orders for units in the organization's yards Coordinate all Heavy Haul equipment movement and provide all necessary documentation to Heavy Haul drivers Create work orders upon arrival of equipment to the organization's yards Monitor stage counts and update Pump Fleet Focus Promptly answer or reply to all received communication (i.e., phone calls, texts, and emails) Maintain compliance with Health, Safety, and Environment (HSE) policies by attending all required HSE training sessions, safety meetings and always utilizing proper Personal Protective Equipment (PPE) All other duties as assigned Qualifications Minimum 1 year experience in an administrative, clerical, or customer service role, required Strong written, verbal, and interpersonal communication skills; can effectively interact with teammates, supervisors, and personnel at all levels of the organization Highly collaborative, can work effectively with others to reach a common objective Excellent customer service skills Highly detail oriented with accurate data entry capabilities Can accurately perform duties in a fast-paced environment Excellent critical thinking, analytical, and problem-solving skills Highly organized with advanced time management skills Proficient working in Microsoft 365 applications, specifically excel, and can quickly learn other work-related software Must be available to work rotating 12-hour shifts, nights, and weekends Physical Demands The physical demands described here represent those required for an employee to successfully perform the role's essential functions. Reasonable accommodation may be made for individuals with disabilities to perform their major responsibilities. While performing the duties of this job, the employee is regularly required to sit, stand, or walk; use hands to manipulate, handle, or feel; reach with hands and arms; stoop or bend; and talk or hear. The employee must occasionally lift and/or move up to 20 lbs. Work Environment The work environment characteristics described here represent environmental conditions an employee will encounter while performing the role's essential functions. The noise level in some work environments can be moderate and an employee may encounter extreme weather conditions while performing major duties. Reasonable accommodation may be provided for individuals with disabilities to perform their major responsibilities. Disclaimer The information provided in this indicates the general nature and level of work performed by employees within the role's classification. This job description is not to be interpreted as a comprehensive inventory of all duties, responsibilities, qualifications required of employees assigned to this role. ProPetro is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

The Electrician works under minimal supervision to maintain and repair electrical equipment used to control and provide power to well service equipment; performs in-depth repairs, maintenance, and replacement of electrical components; makes repairs to medium voltage electrical components; and assists with scheduling and monitoring less experienced Electricians. Responsibilities * Maintain and repair electrical equipment used to control and provide power to well service equipment * Make repairs to medium voltage electrical components * Under minimal supervision, perform maintenance and in-depth repairs or replacement of electrical components * Start up and run intermediate and some advanced functions of electrical equipment * Assist with scheduling and monitoring less experienced Electricians * Perform lock out/ tag out procedures * Utilize and fully engage with the organization's information systems * Adhere to standard operating procedures (SOPs) and best practices (BPs) for all electrical equipment * Communicate all electrical issues to applicable organization departments * Use training and technical manuals to diagnose and repair equipment failures * Identify and address electrical problems on well service equipment * Work cross-functionally with warehouses to maintain sufficient E-Fleet spare parts inventory * Ensure provided company vehicle is properly serviced, inspected, and maintained * Safely drive company vehicle day or night, on various road types, and in all weather conditions * Perform general housekeeping and routine maintenance of company property * Attend all required training associated with the role (i.e., electrical safety, maintenance, best practices, industry standards, etc.) * Report all observed safety hazards to supervisor * Remain available to adjust work schedule when necessary, work alternative shifts when requested by supervisor, and remain on 24 hour call when required * Utilize stop work authority when required * Maintain compliance with Health, Safety, and Environmental (HSE) polices by attending all required HSE training sessions, safety meetings, and always utilize proper Personal Protective Equipment (PPE) * Other duties as assigned Qualifications * Minimum 3 year experiences as a Journeyman Electrician, preferred * Technical Associate's degree preferred and may be considered in lieu of experience * High School diploma or equivalent, required * Maintaining a current, valid Journeyman Electrician license, required * Maintaining a current, valid driver's license and a clean driving record, required * Proficient working with medium voltage components on well servicing equipment * Must possess moderate knowledge of electrical equipment used in well servicing * Moderate knowledge of well stimulation services * Full understanding of E-Fleet schematic for all cable connections and layout * Must stay current on continuing educations requirements (i.e., National Electrician Code (NEC), NFPA 70, etc.) * Must attend all organization required training and be willing to obtain any certification deemed necessary * Good leadership characteristics; able to monitor and coach less experienced team members * Good written and verbal communication skills, can effectively interact with team members, supervisors, and personnel at all levels of the organization * Able to read instruction manuals, blueprints, utilize diagnostic tools, and follow detailed directions * Proficient working in Microsoft Office 365 applications and all other work related software * Safety conscious, observant, and willing to use stop work authority when necessary * Must be physically able to safely perform duties during a 12+ hour work shift that will include days, nights, holidays, and weekends * Must be available to adjust work schedule and remain on call when required * Must be physically able to safely perform duties in all weather conditions including extreme heat or cold * Must be physically able to remain alert and safe during exposure to moving mechanical parts, fumes, toxic chemicals, airborne particles, and moderate to loud noises * Must be physically able to bend, stoop, kneel, twist, crawl, walk on uneven surfaces, and climb equipment ladders or stairs throughout the work shift * Must be physically able to safely lift or move 50 lbs. without assistance Physical Demands The physical demands described here represent those required for an employee to successfully perform the role's essential functions. Reasonable accommodation may be made for individuals with disabilities to perform their major responsibilities. While performing the duties of this job, the employee is regularly required to sit, stand, or walk; use hands to manipulate, handle, or feel; reach with hands and arms; stoop or bend; and talk or hear. The employee must occasionally lift and/or move up to 50 lbs. Work Environment The work environment characteristics described here represent environmental conditions an employee will encounter while performing the role's essential functions. The noise level in some work environments can be moderate and an employee may encounter extreme weather conditions while performing major duties. Reasonable accommodation may be provided for individuals with disabilities to perform their major responsibilities. Disclaimer The information provided in this indicates the general nature and level of work performed by employees within the role's classification. This job description is not to be interpreted as a comprehensive inventory of all duties, responsibilities, qualifications required of employees assigned to this role. ProPetro is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

The Heavy Haul Driver has a Class A Commercial's Driver's License (CDL-A), safely drives units day or night in all weather conditions and complies with all safety regulations. Responsibilities Safely and legally drive company owned units day or night, on various road types, and in all weather conditions (occasionally over long distances) Perform pre-trip and post-trip inspection of equipment each job Accurately maintain driver logs Verify and complete required documentation and reports Follow instructions and complete the required training Work variable schedule to meet business needs Maintain and utilize required safety equipment Maintain compliance with Health, Safety, and Environment (HSE) policies by attending all required HSE training sessions, safety meetings, and always utilize proper Personal Protective Equipment (PPE) Other duties as assigned Qualifications Minimum 1 year of relevant driving experience, required Maintaining a valid and current CDL-A and a clean driving record, required Minimum 21 years of age, required Familiarity with Federal Motor Carrier Safety Administration (FMCSA) regulations, required Able to pass a Department of Transportation (DOT) pre-employment drug test and physical examination, required Able to pass a road test, required Able to operate both manual and automatic transmissions, required Able to perform Pre- and Post-trip Commercial Motor Vehicle (CMV) inspection, required Must be familiar with electronic logging devices Clear verbal and written communication skills, must be able to read, write, speak, and follow directions in English Physical Demands The physical demands described here represent those required for an employee to successfully perform the role's essential functions. Reasonable accommodation may be made for individuals with disabilities to perform their major responsibilities. While performing the duties of this job, the employee is regularly required to sit, stand, or walk; use hands to manipulate, handle, or feel; reach with hands and arms; stoop or bend; and talk or hear. The employee must occasionally lift and/or move up to 50 lbs. Work Environment The work environment characteristics described here represent environmental conditions an employee will encounter while performing the role's essential functions. The noise level in some work environments can be moderate and an employee may encounter extreme weather conditions while performing major duties. Reasonable accommodation may be provided for individuals with disabilities to perform their major responsibilities. Disclaimer The information provided in this indicates the general nature and level of work performed by employees within the role's classification. This job description is not to be interpreted as a comprehensive inventory of all duties, responsibilities, qualifications required of employees assigned to this role. ProPetro is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

The Field Equipment Maintenance Technician will be responsible for the maintenance, troubleshooting, repair, and installation of all PropX containers, conveyor belts, and equipment as designated. This position will ensure that all equipment is continually maintained at the highest standards, resulting in proper functionality and minimum failures. The Field Equipment Maintenance Technician will perform quality checks according to procedure and modifyequipment in a timely manner. This position will also perform preventative maintenance, repair, and overhaul, troubleshoot and test mechanical & electrical equipment according to PropX standards. The Field Equipment Maintenance Technician will require long hours in various weather conditions, being "on call" 24/7 and travel to various PropX Equipment locations. Qualifications & Requirements: * Strong background in machine electrical required. * Proven PLC Programming experience - Allen Bradley RS 5000 required, with networking (Ethernet, ControlNet, DeviceNet, etc.) experience preferred. * PLC background requires writing, debugging, developing, and troubleshooting PLC's and proven HMI Programming experience preferred (Wonder Ware). * Computer skills: Windows environment and ability to load/setup varioussoftware. * Ability to troubleshoot electrical and mechanicalproblems and the ability to read prints including mechanicaland electrical prints. * Excellent analytical skills and data interpretation required. * Knowledge of safety practices such aslockout/tagout, NFPA 70E and proper use of PPE. * High School Diploma or Equivalent; Associates Degree preferred. * 4 years combined schooling and industrial experience. Indicators & Attributes for Success: * Willingness to learn and retain information * Ability to stay on task and follow through * Communication skills * Attention to detail * Safety conscious * Customer/Client focus * Positive attitude * Prioritization skills * Accountability * Ethical practice * Strong team-player Primary Responsibilities: * Troubleshoots mechanical equipment, PLC's and ladder diagrams, AC and DC circuits, electrical sensors and switches, motor controls and servo controllers, safety circuits. * Installs, troubleshoots, and repairs electric motors and equipment (120, 240 and 480V). * Knowledge of basic hand tools and machine shop equipment. * Completes preventive maintenance tasks as scheduled, and documents finished work. * Systematically tracks system failures, including thorough cause analysis. * Recommends maintenance intervals to ensure maximum system productive time. * Travels to locations with PropX equipment to troubleshoot and repair. * Interfaces with manufacturers and their suppliers to improve current and future designs. * Conducts training, lessons learned, and problem solving with client's maintenance staff. * Installs, modifies, and repairs automated industrial control equipment. * Understands software utilized within programmable logic control (PLC) systems. * Designs, plans, installs, and maintains industrial control equipment and instrumentation such as loop controls, variable frequency drives, control panels and load balancing. * Understands mechanical, hydraulic, pneumatic, and electrical systems. * Assists in routine planned maintenance and emergency repairs of plant equipment including conveyors, bucket elevators, and washing/drying equipment. * Interfaces with customer representatives on proper operation and maintenance of equipment. * Other Duties: This job description is not designed to cover or contain a comprehensive listing of activities, duties and responsibilities that are required of the employee for this position. Duties, responsibilities, and activities may change at any time with or without notice. Working Conditions/Environment: * Regularly operates in a highly safety-conscious environment, outdoor and indoor. * Regular exposure to dust, odors, oil, fumes, and noise. * Must be able to work in adverse working conditions such as heat, wet, cold, noise, etc. * Must be available to work off-shifts, weekends, and holidays, as needed. * Location Travel may be required. * Must be willing to work overtime, as needed Salary: $22.00-40.00/hr Compensation for the role will depend on a number of factors, including a candidate's qualifications, skills, competencies, and experience and may fall outside of the range shown. Benefits: At LOS, our total employee benefits include, but are not limited to, the following: * Medical, Dental, Vision, Prescription Drug (Rx) * Voluntary Life Insurance for Employee, Spouse, & Child(ren) * Employee Basic Life and AD&D Insurance - Company Paid * Short Term & Long Term Disability - Company Paid * 401(k) or Roth 401(k) Retirement Plan, plus a company match * Parental Leave * Flexible Paid Time Off * And many other benefits not listed here

Utilizes basic skills to repair, maintain and perform preventative maintenance on electronic and electro-mechanical equipment for designated District. Essential duties include the following: * Champions the company's H.S.E.&T program in all aspects of work performed to provide quality service in a safe and efficient manner. * Uses troubleshooting and repair skills to keep instrumentation in working order. * Installs and configures electronic, electro-mechanical and instrumentation equipment. * May assist and train mechanical technicians in testing components and repairing electrical problems. * Researches equipment and component needs and maintains electronic parts inventory. * Performs preventative maintenance on instrumentation and maintains preventative maintenance records. * Follows operating instructions for guidance in troubleshooting, maintenance, and performing general repairs. * Provides technical support in the form of operator training on electronic equipment. * Performs emergent repairs on electronics and instrumentation at field locations. * Works directly with vendors and other internal departments to advance business objectives and operations. * Performs any and all job duties as assigned by supervisory personnel including general labor, as necessary. * This position is required to perform safety sensitive functions as defined in the CES Drug and Alcohol Plan. Equal Opportunity Employer

Maintenance Expeditor (ME) is responsible for requesting parts needs for an assigned fleet. Reviewing and verifying daily field restock orders, managing them in the Will Call area and ensuring that orders are being received in the field. Placing parts request from Bay correctly into the maintenance system. Able to use and search Liberty and Vendor systems to identify parts. Responsible for correctly returning all cores and unused parts to the warehouse to ensure work order accuracy. Managing consumables stock levels and organization for assigned area. Will have to participate in Quarterly Inventory count in Warehouse. Qualifications & Requirements: * Basic understanding of Frac operations and theory. * Good understanding of maintenance software systems and able to navigate different Vendor systems. * Possesses good communication skills. * Processes maintenance forms and verifies their proper completion. * Understanding of computers and Microsoft based programs. * Follows all safety processes and procedures. * Must not have received any write-up within the past year Indicators & Attributes for Success: * Effective & decisive decision-making skills * Cultural awareness * Business acumen * Customer/Client focus * Critical evaluation * Positive attitude * Prioritization skills * Communication skills * Empathy * Accountability * Ethical practice * Patience * Flexibility * Must be sensitive to Corporate needs, employee goodwill, and the business needs Primary Responsibilities: * Performs work tasks in a safe manner.•Reviews and verifies field restock orders. * Verifies that out-of-stock parts at time of field restock order are distributed to crew once they become available. * Places field restock orders in Will Call location and ensures field delivery. * Processes core and unused part returns to Warehouse correctly. * Manages assigned consumable area stock levels and organization. * Properly processes parts request within maintenance software system. * Verifies and delivers parts kits to bay based on maintenance scheduler. * Must participate in Quarterly inventory count in Warehouse. * Cleans and organizes assigned bay. * Ability to identify Liberty equipment by name and have a basic understanding of its operation and purpose. * Good understanding of all the standard operating procedures required in the Maintenance Department(Inspection forms, OC inspection forms, Equipment inspection form, etc..). * Assists with the Implementation of New Products and Equipment at the District Level. * Other Duties: This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this position. Duties, responsibilities and activities may change at any time with or without notice Working Conditions/Environment: * Operates in a professional and/ or business casual office environment. * Exposed to dust, odors, oil, fumes and noise. * Routinely uses standard office equipment such as laptops, photocopiers/scanners, and smartphones. * Evening and weekend work maybe required as job duties demand. Salary: $20-30/hr Compensation for the role will depend on a number of factors, including a candidate's qualifications, skills, competencies, and experience and may fall outside of the range shown. Benefits: At LOS, our total employee benefits include, but are not limited to, the following: * Medical, Dental, Vision, Prescription Drug (Rx) * Voluntary Life Insurance for Employee, Spouse, & Child(ren) * Employee Basic Life and AD&D Insurance - Company Paid * Short Term & Long Term Disability - Company Paid * 401(k) or Roth 401(k) Retirement Plan, plus a company match * Parental Leave * Flexible Paid Time Off * And many other benefits not listed here

Assists the Maintenance Technician II and Maintenance Technician III positions with repairs and troubleshooting. Qualifications & Requirements: * 1 year or less at Liberty or of related industry experience. * Basic understanding of engines, transmissions and their theories. * Can perform PM services with little to no instruction. * Must possess basic tool set. * Possesses general knowledge of electrical circuits. Training & Cross-Training: * All training must be signed off by the appropriate leadership, showing understanding and completion of training before a progression test can be given. Coworker referral must score a minimum of 25 out of 30. * A Progression test will be given after 6 months of service and requires a score of 90% to be considered passing. * Requires guidance and training to complete advanced tasks. * Current Liberty employees: Must not have received any write-ups within the past year. Training * New Hire Origination and PEC Training * Hydraulic Training Course * Air Brake Training Course * Wheel Bearing Training Course * Employees can attend the training courses and receive a certificate of completion at the end of each course. Courses are scheduled throughout the year to ensure that all employees can receive the scheduled training. A training schedule is posted and available to all employees, along with prior notice of courses that have been scheduled for employees from their supervisor or manager. All training will be tracked on a progression form to ensure that requirements have been met. Cross - Training Parts Department: Will be required to complete 2 days of cross-training in the Parts Department to receive an understanding of part ordering, issuing and processing. Cross-training will be scheduled by the Maintenance Manager/Parts Manager and must be completed within the first month of employment. Upon completion of cross training, must be signed off by Maintenance and Parts Manager. Indicators & Attributes for Success: * A willingness to learn and retain information. * Attention to detail * Ability to stay on task and follow through * Safety conscious * Customer/Client focus * Positive attitude * Prioritization skills * Accountability * Ethical practice * Strong team-player Primary Responsibilities: * MUST FOLLOW ALL SAFETY REGULATIONS AND STANDARDS * Must be able to explain the differences in the PM schedules * Must be able to explain what fluid type is to be used in engines, transmissions, power ends, drive boxes, small engines and the fluid capacity of each type * Identifies all greasing points that are included in the PM Service for both trailer mounted units and tractors * Understands how to properly check u-joints and identifies if they need to be replaced * Has basic equipment knowledge including where battery disconnect switches are, the proper way to powerup and power down equipment and understands the starting procedures of equipment * Understands the proper way to engage power take off on a tractor * Base knowledge of key points on hydraulic systems and where major failures can occur if proper steps are not followed * Understands how to check fluid levels after a PM service and identifies which components are checked while running, and which ones are checked in a no-run state * Must be able to identify all Liberty equipment by name * Shows understanding of unit mounted tools and how they are used in the process of doing a PM service. (i.e. fuel priming pump) * Full understanding on completing all required paper work * Understanding of manual gauges, their purpose, and correct readings per each equipment type * General knowledge of electrical: use of a multi meter to check voltage and resistance * Other Duties: This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this position. Duties, responsibilities and activities may change at any time with or without notice. Working Conditions/Environment: * Regularly operates in a highly safety-conscious environment, outdoor and indoor. * Regularly be exposed to dust, odors, oil, fumes and noise. Salary: $26-48/hr Compensation for the role will depend on a number of factors, including a candidate's qualifications, skills, competencies, and experience and may fall outside of the range shown. Benefits: * At LOS, our total employee benefits include, but are not limited to, the following: * Medical, Dental, Vision, Prescription Drug (Rx) * Voluntary Life Insurance for Employee, Spouse, & Child(ren) * Employee Basic Life and AD&D Insurance - Company Paid * Short Term & Long Term Disability - Company Paid * 401(k) or Roth 401(k) Retirement Plan, plus a company match * Parental Leave * Flexible Paid Time Off * And many other benefits not listed here

The Maintenance Technician position is a fast-paced, very demanding role that requires very close attention to detail regarding safety and repair of multiple pieces of fixed equipment on the mine site. This position offers the flexibility of performing multiple maintenance activities throughout the site, including but not limited to, conveyance, dryer repair, pump repair, shaker screen repair, loadout repair, etc. Qualifications & Requirements: * 3-5 years' experience as a maintenance technician in heavy industrial environment. * Working knowledge of conveyance, dryer, pump, shaker screen, loadout maintenance. * Comprehends documents such as safety rules, operating procedure and maintenance instructions, and equipment schematics. * Working knowledge of equipment capabilities and limitations. * Must have a valid driver's license. * May be required to work overtime, based on business and facility needs. * Ability to understand technical instructions. Indicators & Attributes for Success: * Ability to stay on task and follow through * Attention to detail * Safety conscious * Customer/Client focus * Positive attitude * Prioritization skills * Accountability * Ethical practice * Strong team-player Primary Responsibilities: * Troubleshoots scenarios to determine the safest and most efficient way to repair a piece of equipment. * Repairs and maintains facility to uphold highest of standards for the operation. * Conveyance System Repairs. * Dryer repairs. * Pump repairs. * Shaker Screen repairs. * Loadout repairs. * Completes all pre-post job documentation required of a maintenance technician. * At times, repairs small pieces of mobile equipment for the operation. * Generates and processes plant work orders in a timely and accurate manner. * Other Duties: This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this position. Duties, responsibilities and activities may change at any time with or without notice. Working Conditions/Environment: * Regularly operates in a highly safety-conscious environment, outdoor and indoor. * Regularly exposed to dust, odors, oil, fumes, and noise. * Regularly be exposed to loud machinery. Salary: $32/Hr - $38/Hr Compensation for the role will depend on a number of factors, including a candidate's qualifications, skills, competencies, and experience and may fall outside of the range shown. Benefits: At LOS, our total employee benefits include, but are not limited to, the following: Medical, Dental, Vision, Prescription Drug (Rx) Voluntary Life Insurance for Employee, Spouse, & Child(ren) Employee Basic Life and AD&D Insurance - Company Paid Short Term & Long Term Disability - Company Paid 401(k) or Roth 401(k) Retirement Plan, plus a company match Parental Leave Flexible Paid Time Off And many other benefits not listed here