Mechanical Engineer The Perillo GroupMechanical EngineerAurora, COThe ideal candidate will be responsible for designing, developing, and testing mechanical systems and components. Designing and implementing cost-effective equipment modifications to help improve safety and reliability.
Senior Mechanical HVAC Engineer Matrix TechnologiesSenior Mechanical HVAC EngineerWestminster, CO$104,000–$140,000 / yearWhile performing the duties of this job, the employee is occasionally required to stand; walk; sit; stoop, kneel, crouch; use hands to finger, handle, or feel objects, tools or controls; reach with hands and arms; talk, and hear. This employee may perform industrial field work, which could include exposure to hazardous locations, inclement weather, moving mechanical parts, noise, ladders, uneven ground, and stairs.
Mechanical Engineer, Space Based Interceptorstooling & Mgse Design (Senior - Staff) True AnomalyMechanical Engineer, Space Based Interceptorstooling & Mgse Design (Senior - Staff)Denver, CO$125,000–$255,000 / yearDemonstrated expertise designing large structural weldments for aerospace GSE and tooling - welded steel frames, launcher support structures, integration stands, and handling bases - with proficiency in weld joint design, weld symbol specification per AWS A2.4, pre- and post-weld distortion control, material selection for weldability, and vendor qualification of WPS and welder certifications. We are seeking a Senior or Staff Mechanical Engineer, Space Based Interceptors Tooling & MGSE Design to serve as technical authority and team leader for tooling and ground support equipment across our Space Based Interceptors programs.
NewSr. Mechanical Engineer - Avionics Mechanical Packaging - TeraWave Blue OriginSr. Mechanical Engineer - Avionics Mechanical Packaging - TeraWaveDenver, Washington$133,500–$186,898.95 / yearand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. You will own mechanical packaging for the Power Management and Distribution (PMAD) Line Replaceable Unit (LRU), including enclosure, card retention, thermal paths, connector access, mounting interfaces, serviceability, mass optimization, producibility, and integration flow.
Mechanical Engineer - Spacecraft Hardware Approach VentureMechanical Engineer - Spacecraft HardwareDenver, Colorado$100,000–$150,000 / yearMechanical Engineer - Build the mechanical hardware behind a new generation of modular spacecraft, taking complex systems from early concept through qualification, production, and on-orbit operation . You will work closely with systems, electrical, software, test, and manufacturing engineers while helping establish strong mechanical design practices as the team and vehicle platform scale.
Mechanical Design Engineer II Advanced Technology GroupMechanical Design Engineer IIWestminster, ColoradoHas the knowledge of development and derivation of formulas and relationships, basic assumptions made, and limitations and areas of applicability of established mechanical engineering principles, methods, and techniques. In addition, employee may be required to travel for weeks at a time for install and testing on projects, and assist physically in installation and testing activities.
Mechanical Engineer Subject Matter Expert CACIMechanical Engineer Subject Matter ExpertDenver, ColoradoPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Proven subject matter experience in creating and managing end-to-end mechanical system design; system diagrams, wiring diagrams, power budgets, mechanical designs, and managing BOMs.
NewMechanical Engineer – Fort Hood Accura EngineeringMechanical Engineer – Fort HoodDenver, ColoradoMechanical Engineer- Fort Hood ***Work Location: Fort Hood, TX*** Salary: Based on experience and will be discussed with manager in interview REQUIREMENT- Must be a US Citizen and must pass a federal background review and drug screen Position Summary The Mechanical Engineer will provide engineering and commissioning support for federal construction projects at Fort Hood, Texas. The selected candidate will be responsible for reviewing technical aspects of design and construction activities, evaluating mechanical systems, supporting commissioning efforts, reviewing project documentation, and ensuring compliance with contract requirements, codes, and project objectives throughout all phases of construction.
Mechanical Design Engineer Intern (Spring) H3X TechnologiesMechanical Design Engineer Intern (Spring)Louisville, ColoradoYou'll work alongside world-class engineers and builders who are pioneering electric motor technology at scale on some of the coolest programs in the industry, from supersonic aircraft to power generation for AI datacenters. Joining H3X means working on hard, meaningful problems with a skunkworks-style team that's laser-focused on building exceptional products.
Mechanical Engineer - Cheyenne, WY Accura EngineeringMechanical Engineer - Cheyenne, WYDenver, ColoradoWarren AFB (Cheyenne, WY) *** Salary: Based on experience and will be discussed with manager in interview REQUIREMENT- Must be a US Citizen and must pass a federal background review and drug screen Duties/Responsibilities : Candidate will provide engineering services on several simultaneous federal projects ranging in value up from tens of millions to hundreds of millions of dollars in construction value. Emphasis is placed on knowledge and experience with but not limited to HVAC systems, system controls, building automation, chilled water, plumbing, humidification, data centers, and other complex mechanical-engineering related elements found in large and complex buildings and utility plants.
Senior Mechanical Engineer CMTA, IncSenior Mechanical EngineerGolden, COThe company specializes in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems—enhancing energy efficiency, reliability, and sustainability in new and existing facilities. Legence and its affiliates do not accept unsolicited resumes from agencies; any such submissions without a prior signed agreement authorized by Legence Holdings LLC's CHRO or Director of Talent Acquisition will not incur fees and are considered property of Legence.
Director Of Optical Engineering Xcimer EnergyDirector Of Optical EngineeringDenver, CO$190,000–$220,000 / yearAs a member of the engineering leadership team, you will partner closely with scientists, systems engineers, optical physicists, opto-mechanical engineers, and program leadership to ensure that the optical architectures, technical roadmaps, risks, and delivery of optical systems, is accomplished in accordance with the requirements of Xcimer's Fusion and Directed Energy missions. We are looking for a leader who combines exceptional technical depth with strong people leadership, execution discipline, and a passion for solving some of the world's most challenging engineering problems, while very comfortable working in a matrix organization.
Senior Staff Structural Analyst - Spacecraft Engineering IONQSenior Staff Structural Analyst - Spacecraft EngineeringLouisville, CO$192,979–$276,722 / yearIonQ's newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting-edge systems that have been helping customers and partners including Amazon Web Services, and AstraZeneca achieve 20x performance results and accelerate innovation in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense. Please note that in the absence of confirming you are a U.S. Person for export control and government contracts work purposes, IonQ may choose not to apply for a license or decline to use a license exception (if available) for you to access export-controlled technology that may require authorization, and similarly, you may not qualify for government contracts work that requires U.S. Persons, and IonQ may decline to proceed with your application on those bases alone.
NewSr. Category Manager, Strategic Sourcing (Mechanical) CrusoeSr. Category Manager, Strategic Sourcing (Mechanical)Arvada, Colorado$120,000–$145,000 / yearWe're looking for problem-solving, opportunity-finding teammates with a sense of urgency, who believe in the scale of our ambition and thrive on a path not fully paved — people who want to grow their careers alongside a team of experts across energy, manufacturing, data center construction, and cloud services. AVL Qualification & Shop-Floor Vetting: Own the mechanical Approved Vendor List (AVL), verifying actual shop-floor fabrication capabilities (tolerances, welding, equipment) to ensure paper claims match manufacturing reality.
Senior Mechanical Engineer 1 - Nuclear Sargent & LundySenior Mechanical Engineer 1 - NuclearEnglewood, Colorado$84,762–$129,498 / yearFull timeAI & Automation at Sargent & Lundy: In 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 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.
Advanced Opto-Mechanical Engineer - 926 QuantinuumAdvanced Opto-Mechanical Engineer - 926Broomfield, CO$116,000–$145,000 / yearMinimum 6+ years' experience (advanced degree inclusive) with product, assembly tooling, or test equipment opto-mechanical CAD design for optical or photonic applications. By uniting best-in-class software with high-fidelity hardware, our integrated full-stack approach is accelerating the path to practical quantum computing and scaling its impact across multiple industries.
Senior Mechanical Engineer 1 - Energy & Industrial Sargent & LundySenior Mechanical Engineer 1 - Energy & IndustrialEnglewood, Colorado$84,762–$129,498 / yearFull timeFive or more years of experience in the design of mechanical engineering systems for non-commercial, heavy industrial plants (power plant - essential, oil & gas, or chemical - valued), with a focus on integrated, detailed system design for new plants, modifications, or replacements; Experience must include the selection of equipment, piping materials, control philosophy, and the preparation of supporting calculations and specifications. About This Business Unit: The Energy & Industrial Group (EIG) specializes in delivering advanced engineering solutions across various sectors, including power generation, environmental compliance, oil & gas, and industrial projects, from new plant design to plant betterment and upgrade services for operating facilities.
Advanced Mechanical Engineer - System Design & Product Definition - 903 QuantinuumAdvanced Mechanical Engineer - System Design & Product Definition - 903Broomfield, CO$116,000–$145,000 / yearThey will establish and maintain the system product structure, keep CAD, drawings, BOMs, and released configurations aligned, and bring disciplined product-definition practices to designs transitioning from research hardware into production. Experience designing large scientific instruments, semiconductor equipment, aerospace systems, medical devices, industrial automation equipment, or other low-volume, high-complexity products.
Mechanical Engineer II Sierra SpaceMechanical Engineer IILouisville, CO$90,707–$124,744.25 / yearIMPORTANT NOTICE: To conform to U.S. Government international trade regulations, applicant must be a U.S. Citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State or U.S. Department of Commerce. The Mechanical Engineer II role focuses on providing solutions to a variety of technical problems of moderate scope and complexity related to mechanical systems, propulsion, structures, or environmental systems.