Newcastle, WY 82701-2715 • (0 miles) • Full Time • 10/5/2026

Environmental EngineerWyoming Refining CompanyWHO WE ARE:Par Pacific is a growth-oriented company that owns and operates market-leading energy and infrastructure businesses in logistically complex markets. Par Pacific combines experience in the oil and gas industry with corporate financing know-how. We bring this unique strength to complex markets where we seek out diamonds in the rough. As a nimble, entrepreneurial organization, we actively pursue new opportunities in response to local market demands and changing external environments.The Opportunity:The Environmental Engineer is responsible for supporting and overseeing day-to-day environmental compliance activities at Wyoming Refining Company, including wastewater treatment operations, groundwater monitoring, waste management, remediati

Rapid City, SD 57702 • (43 miles) • Full Time • 10/5/2026

Job Summary:Provides technical assistance and guidance for due diligence, investigation, remediation, impact assessment, permitting, improvement, and construction of infrastructure projects and systems in the public and private sector. Tasks may include assisting with the research, design, concept development, planning, and construction of civil engineering projects. Generates accurate and concise reports and documentation regarding material, installations, and construction specifications. Ensures that responsibilities are delivered and adhered to with a level of quality that meets or exceeds acceptable industry standards for design, safety, and functionality.Job Duties and Responsibilities:• Collect, compile, and analyze data from the physical work site, surveys, blueprints, GIS data, sub

Rapid City, SD 57702 • (43 miles) • Full Time • 9/22/2026

About UsAt American Engineering Testing (AET), we believe that people are the heart of innovation. We create an environment that values teamwork, curiosity, and continuous improvement while delivering innovative engineering and consulting solutions. As a 100% employee-owned firm, we deliver comprehensive testing, analysis, and design to reduce uncertainty in construction projects and offer rewarding work, exceptional training, and career development opportunities. *The chosen candidate will have the option to select their preferred base location fromWilliston, ND, Dickinson, ND, Sheridan, WY, Bismarck, ND, Grand Forks, SD, Fargo, ND, or Rapid City, SD. Please note that if stationed in Rapid City, SD, travel expectations may increase. Job SummaryCoordinate and complete project testing servi

Lead, SD 57754 • (33 miles) • Full Time • 9/15/2026

WharfWe Pursue a Higher StandardWe are a U.S.-based, well-diversified, growing precious metals producer with seven wholly-owned operations: the New Afton gold-copper mine in British Columbia, Canada, the Rainy River gold-silver mine in Ontario, Canada, the Las Chispas silver-gold mine in Sonora, Mexico, the Palmarejo gold-silver mine in Chihuahua, Mexico, the Rochester silver-gold mine in Nevada, the Kensington gold mine in Alaska and the Wharf gold mine in South Dakota. In addition, the Company wholly-owns the Silvertip polymetallic critical minerals exploration project in British Columbia, Canada.Coeur Wharf is an open-pit, heap-leach gold operation and the only gold mine operating in South Dakota. Located in the northern Black Hills, Wharf is the only known operating mine that shares a

Rapid City, SD 57702 • (43 miles) • Full Time • 9/15/2026

TITLE OF POSITION: Automation EngineerPOSITION DESCRIPTION NUMBER: HR-023-33DEPARTMENT: EngineeringREPORTS TO: Engineering Manager, Project ManagerIf you are an Automation Engineer with PLC Controller and Robotics experience, please read on!We are a rapidly growing, high speed engineering services company with product and test development in the medical, mil/aero, and high-end industrial spaces. The work is exciting and challenging every day. Our customers range from fortune 50 companies to startups and across many projects. You can work on satellites, trains, planes, IoT devices to life saving medical devices all in the same week! We are a small team accomplishing great things and are looking for experienced engineers to join our tight knit & growing team.The Position:The Automation Engin

Newcastle, WY 82701 • (15.1 miles) • Full Time • 9/27/2026

The Opportunity:Optimization Planning Engineer at a growth-oriented energy companyOpportunity to work in a positive, collaborative, and inclusive work environmentReporting to the Planning & Economics Manager, you will be primarily tasked with creating refinery-wide operating plans that are safe, feasible, and economically optimized.Key activities include::Runs Linear Program to evaluate near term refinery operations and help build an economically optimized plan. Communicates plan to refinery and corporate. Presents 3 month plan for Wyoming refinery company to refinery and corporate leadership, during Monthly Operating Plan meetings.Coordinates all refinery LP model changes and updates with the assistance of Haverly and/or outside consultant help as needed. Runs LP Model weekly to select cr

Rapid City, SD 57702 • (43 miles) • Full Time • 10/5/2026

Benefits:401(k)Bonus based on performanceCompany partiesCompetitive salaryDental insuranceFlexible scheduleFree food & snacksHealth insuranceOpportunity for advancementPaid time offTraining & developmentVision insurance If you are a Mechanical/Automation Engineer with Machine Design and Robotics experience, please read on! We are a rapidly growing, high speed engineering services company with product design, Automation integration and test development service offerings. We work in the medical, mil/aero and high-end industrial spaces. The work is exciting and challenging every day. Our customers range from fortune 50 companies to startups and across many projects. You can work on satellites, trains, planes, IoT devices to life saving medical devices all in the same week! We are a small team

Rapid City, SD 57702 • (43 miles) • Full Time • 9/16/2026

About American Engineering Testing (AET)At American Engineering Testing (AET), we believe that people are the heart of innovation. We create an environment that values teamwork, curiosity, and continuous improvement while delivering innovative engineering and consulting solutions. As a 100% employee-owned firm, we deliver comprehensive testing, analysis, and design to reduce uncertainty in construction projects and offer rewarding work, exceptional training, and career development opportunities.Apply now for AET’s 2027 Summer Internship!We are seeking motivated individuals pursuing education or careers in Civil Engineering, Geology, Geological Engineering or related fields for AET's Summer 2027 Internships across several of our locations and departments. At AET, we value individuals who ar

Rapid City, SD 57702 • (43 miles) • Full Time • 9/16/2026

Job Duties and Responsibilities:Under general supervision, assist with collecting, compiling, and analyzing data from the physical work site, surveys, blueprints, GIS data, subsurface utility information, maps, geotechnical data, and other matrices for project development, design, and construction. Assist with performing basic professional civil engineering work relating to conducting research and observations of proposed and existing site conditions, resources, building, infrastructure, and transportation channels to determine conformance with applicable rules, standards, and construction or operating permits.Performs routine engineering functions and provides entry-level technical assistance on various design requirements, operating strategies to account for the safety and functionality

Newcastle, WY 82701 • (15.1 miles) • Full Time • 9/27/2026

Process & Projects EngineerThe Opportunity:We are seeking a results-driven Process & Project Engineer to join our refinery team in a high-impact role that combines technical leadership with project execution. Reporting to the Engineering Supervisor, this position offers an exciting opportunity to contribute to a dynamic and growth-focused energy company by supporting the integrity and performance of refinery assets while advancing long-term reliability, safety, and operational excellence.This role offers a dynamic blend of process engineering and project management responsibilities, with a strong focus on fixed equipment systems and unit operations. As an Engineer, you will develop, maintain, and apply subject matter expertise across areas such as pressure vessels, heat exchangers, piping,