Mechanical Engineer ConsultNetMechanical EngineerBoulder, CO$40–$70 / hourFor over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact. Support identification and validation of critical spare parts for plant equipment by: o Reviewing vendor manuals, BOMs, and recommended spare parts lists .
Process Engineer, PVD Coatings & Surface Treatments Calico CoatingsProcess Engineer, PVD Coatings & Surface TreatmentsDenver, ColoradoCalico Coatings is part of The HEF Group, a global leader in the science of tribology for more than 50 years, offering innovative nitriding surface treatments and PVD thin-film coating solutions for corrosion, wear and friction reduction of automotive and industrial machinery components. Today, HEF operates 70 facilities throughout Europe, Asia, and the Americas, providing Liquid Nitriding services & chemicals, PVD-based coating services, tribology testing services, and supplying engineered sleeve bearings & bushings for demanding industrial applications.
Senior Project Engineer SSR Mining IncSenior Project EngineerDenver, CO$135,000–$150,000 / yearReporting to the Study Director, the Study Manager / Project Engineer will coordinate and manage technical workstreams associated with mining, processing, infrastructure, and capital project studies from scoping through pre-feasibility and feasibility stages and prepare for execution. Bachelor's degree in Mine Engineering, Mechanical Engineering, Civil Engineering, Metallurgical Engineering, Chemical Engineering, or related engineering discipline.
Project Engineer-Mining Technical Management GroupProject Engineer-MiningDenver, ColoradoBased in the Toronto Office and reporting to the Project Manager, the Project Engineer is responsible for various technical, administrative, business development, and project management functions related to TMG’s various project sites. Establishes the reporting criteria, content and format for monthly status reports, cost variance reporting, forecasts, budget updates, change control notices, and monthly presentations to Owner management.
Senior Process Engineer DISA TechnologiesSenior Process EngineerWestminster, CO$140,000–$180,000 / yearThis role involves heavy lab work supporting the future design and execution of process experiments, generating high-quality data, and providing engineering insights to advance commercialization across multiple market applications. · Preparation of process engineering deliverables for capital equipment orders, including PFDs, mass balance, process design criteria, P&IDs, control philosophy, Lead internal process engineering Research and Development initiatives.
Senior Project Engineer SSR MiningSenior Project EngineerDenver, ColoradoReporting to the Study Director, the Study Manager / Project Engineer will coordinate and manage technical workstreams associated with mining, processing, infrastructure, and capital project studies from scoping through pre-feasibility and feasibility stages and prepare for execution. Bachelor's degree in Mine Engineering, Mechanical Engineering, Civil Engineering, Metallurgical Engineering, Chemical Engineering, or related engineering discipline.
Senior Project Engineer Silver Standard (SSR Mining Inc)Senior Project EngineerDenver, CO$135,000–$150,000 / yearReporting to the Study Director, the Study Manager / Project Engineer will coordinate and manage technical workstreams associated with mining, processing, infrastructure, and capital project studies from scoping through pre-feasibility and feasibility stages and prepare for execution. Bachelor's degree in Mine Engineering, Mechanical Engineering, Civil Engineering, Metallurgical Engineering, Chemical Engineering, or related engineering discipline.
Senior Mineral Processing Engineer WSP Global IncSenior Mineral Processing EngineerLakewood, CO$86,100–$128,500 / yearExposure to a wide range of process operations that may include crushing, grinding, screening, hydro classification, air classification, gravity concentration, magnetic separation, dense media separation, sensor-based sorting, flotation, leaching, heap leaching, pressure oxidation, solvent extraction, electrowinning, thickening, clarification, filtration, drying, mixing, feeding, pumping, bulk solids handling and pneumatic conveying. 7 - 10+ years of process engineering experience on mining, mineral processing, or metallurgical capital projects, with demonstrated depth in gold heap leaching, copper flotation, base metal hydrometallurgical plants and or solvent extraction process design.
R&D Engineer USA Rare EarthR&D EngineerWheat Ridge, ColoradoWhile performing the duties of this job, the employee is regularly required to walk, stand, move, sit, carry, bend, kneel, reach, push, pull, lift, use hands and fingers, handle, or feel, and talk and hear. The R&D Engineer supports the development and scale-up of rare earth processing technologies, focusing on extraction, separation, and purification from primary and recycled feedstocks.
Senior Process Engineer - Capital Projects (Consolidated Separations Plant) USA Rare EarthSenior Process Engineer - Capital Projects (Consolidated Separations Plant)Wheat Ridge, ColoradoExposure will vary and include normal office noise, typical laboratory sounds (e.g., ventilation systems, equipment operation), manufacturing floor noise (e.g., machinery, forklifts), and construction site noise depending on project phase and location. Lead structured review cycles for key engineering deliverables including Process Design Criteria (PDC), Block Flow Diagrams (BFD), Process Flow Diagrams (PFD), Piping & Instrumentation Diagrams (P&ID), and control philosophy documents.
Senior Process Engineer - Capital Projects (Consolidated Separations Plant) USA Rare Earth IncSenior Process Engineer - Capital Projects (Consolidated Separations Plant)Wheat Ridge, CONoise level: Exposure will vary and include normal office noise, typical laboratory sounds (e.g., ventilation systems, equipment operation), manufacturing floor noise (e.g., machinery, forklifts), and construction site noise depending on project phase and location. Lead structured review cycles for key engineering deliverables including Process Design Criteria (PDC), Block Flow Diagrams (BFD), Process Flow Diagrams (PFD), Piping & Instrumentation Diagrams (P&ID), and control philosophy documents.
R&D Engineer USA Rare Earth IncR&D EngineerWheat Ridge, COWhile performing the duties of this job, the employee is regularly required to walk, stand, move, sit, carry, bend, kneel, reach, push, pull, lift, use hands and fingers, handle, or feel, and talk and hear. We have also developed the United States' first rare earth and critical minerals processing facility and we own the only scalable, sintered neo-magnet manufacturing system in the Western Hemisphere.
Senior Mechanical Engineer - Thermo/Fluid Systems SI Solutions, LLCSenior Mechanical Engineer - Thermo/Fluid SystemsDenver, CO$113,670–$153,800 / yearHiring decisions for such positions must comply with these regulations and may result in SIA limiting its consideration of foreign nationals who are citizens of countries that are not on the DOE’s Generally Authorized Destinations List: https://www.ecfr.gov/current/title-10/chapter-III/part-810/appendix-Appendix%20A%20to%20Part%20810. Export Control Notice: Certain positions at SIA may require access to information and technology which is subject to Export Administration Regulations 15 CFR 730-774, including those of the US Department of Energy (DOE) in 10 CFR 810 and Nuclear Regulatory Commission (NRC) 10 CFR Part 110.
Boyd Thermal by Eaton - Metallurgy/Metal Joining Subject Matter Boyd CorporationBoyd Thermal by Eaton - Metallurgy/Metal Joining Subject MatterCOThey will define best practices in physical and chemical metallurgy, develop advanced welding and joining procedures, and ensure our manufacturing processes produce safe, durable, and high-performance components. Remote Alabama, Remote Arizona, Remote Arkansas, Remote California, Remote Colorado, Remote Connecticut, Remote Florida, Remote Georgia, Remote Idaho, Remote Illinois, Remote Indiana, Remote Iowa, Remote Massachusetts, Remote Michigan, Remote Minnesota, Remote Virginia.
Sr Manufacturing Engineer Artech LLCSr Manufacturing EngineerLafayette, CO$55–$60 / hourPreferred: Resistance/ultrasonic welding, laser marking, vision inspection, Lean/Six Sigma, DFM/DFR. Experience with welding equipment specifications, vendors, FAT, and installation.
Project Engineer (Growth) SSR Mining IncProject Engineer (Growth)Denver, CO$120,000–$135,000 / yearReporting to the Study Director, the Project Engineer will coordinate and manage technical workstreams associated with mining, processing, infrastructure, and capital project studies from scoping through pre-feasibility and feasibility stages and prepare for execution. The Project Engineer will help develop study reports (such as PFS and FS reports), technical presentations, economic evaluations, and business cases required to advance projects through the Company's investment pipeline.
Lead Piping Stress Engineer 1 - Nuclear Sargent & LundyLead Piping Stress Engineer 1 - NuclearEnglewood, Colorado$118,023–$180,313 / yearFull timeSince 1954, we’ve been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects. BS or MS in Mechanical Engineering, Engineering Mechanics, Aerospace, or Structural/Civil Engineering, from an ABET Engineering Accreditation Commission-approved program, with an emphasis in solid mechanics, structural analysis, theory of elasticity, metallurgy, and finite element analysis.
Lead Piping Stress Engineer 1 Nuclear Sargent & Lundy LLCLead Piping Stress Engineer 1 NuclearEnglewood, CO$118,023–$180,313 / yearIn this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Leaders in these roles often direct automation and process-improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.
Senior Piping Stress Engineer 1 Nuclear Sargent & Lundy LLCSenior Piping Stress Engineer 1 NuclearEnglewood, CO$84,762–$129,498 / yearIn this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Essential Skills and Experience: BS or MS in Mechanical Engineering, Engineering Mechanics, Aerospace, or Structural/Civil Engineering, from an ABET Engineering Accreditation Commission-approved program, with an emphasis in solid mechanics, structural analysis, theory of elasticity, metallurgy, and finite element analysis.
Materials Engineer (Lab & Test) Boom Technology IncMaterials Engineer (Lab & Test)Centennial, CO$107,000–$144,000 / yearBoom is building jet engines out of high-temperature superalloys, and every material decision we make - alloy selection, heat treat verification, allowables, failure analysis on parts pulled from our own test cell - depends on data generated in a materials lab. This is your chance to be the first dedicated lab and test engineer in a brand new lab and work with world-class material scientists and engineers to create the supersonic jet engine that enables a supersonic passenger renaissance.