Senior Electrical Engineer Salas O'BrienSenior Electrical EngineerLakewood, ColoradoOur specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more. Job Summary: As a Senior Electrical Engineer, you'll lead the design of innovative electrical systems for complex healthcare, life sciences, and commercial projects while collaborating with multidisciplinary teams to deliver solutions that improve the built environment.
Mechanical Engineer/ Project Manager Salas O'BrienMechanical Engineer/ Project ManagerLakewood, ColoradoOur specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more. Our team is growing and looking to add an experienced electrical engineer team member to our Health & Science Team with a minimum of 10 years of design experience, ideally with experience in healthcare design.
Principal Satellite Systems Engineer Vantor HoldingsPrincipal Satellite Systems EngineerWestminster, ColoradoVantor is hiring a Principal Satellite Systems Engineer to join our SpaceWRX team to execute space projects starting from customer needs to design, develop, and deliver the world’s most capable earth observation systems. Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently.
Cyber Security Analyst & Vulnerability Management Engineer LoenbroCyber Security Analyst & Vulnerability Management EngineerWestminster, CORemote$120,000–$160,000 / yearThe Cyber Security Analyst & Vulnerability Management Engineer is responsible for overseeing the organization's vulnerability management program, supporting security operations, managing cybersecurity aspects of change management processes, and responding to Managed Detection and Response (MDR) security events. Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S. Our market spans all industries, and our service offerings include Critical Electrical, Mechanical & Structural, Soft Crafts, Inspection, Underground Maintenance and Installation, and Fabrication.
NewOpto-Mechanical Engineer (Quantum Computing) InfleqtionOpto-Mechanical Engineer (Quantum Computing)Boulder, CO$130,000–$155,000 / yearUsing high-fidelity opto-mechanical simulations and executing on experimental strategies to characterize optical stability, drift, noise sources, and scaling limits, ranging from back-of-the-envelope calculations to detailed finite element analysis (FEA) encompassing tolerance stack-ups, thermal behavior, structural stiffness, and vibration sensitivity. Designing components for opto-mechanical integration of precision components and assemblies supporting lasers, optics, vacuum-integrated components, state-of-the-art sensors, high-speed photodetectors, DMDs, SLMs, AODs, and EOMs.
Mechanical Design Engineer Intern (Spring) H3X Technologies IncMechanical Design Engineer Intern (Spring)Louisville, CO$23–$37 / hourYou'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 InfleqtionMechanical EngineerLouisville, CO$120,000–$160,000 / yearThis role is ideal for a hands-on engineer who enjoys converting technical direction into clean CAD models, released drawings, buildable parts, and practical tooling that helps a complex aerospace quantum payload move from design into integration. The QGG Pathfinder program brings together atomic physics, aerospace hardware, electronics, software, supply chain, and mission assurance to mature a flight-relevant quantum gravity gradiometer payload.
Senior Propulsion Engineer, Analysis Singularity DefenseSenior Propulsion Engineer, AnalysisDenver, ColoradoDesign and execute comprehensive characterization programs covering mechanical properties (JANNAF strain invariant failure theory, uniaxial tensile, stress relaxation), burn rate (Crawford bomb, strand burner), and aging (HTPB hydrolysis, AP recrystallization, surveillance coupon programs). Perform advanced structural and thermal analyses using Finite Element Analysis (FEA) tools (e.g., ANSYS, Abaqus, NASTRAN) to evaluate stress, strain, fatigue, vibration, buckling, and thermal loads under extreme operating conditions.
Principal Satellite Systems Engineer EVONAPrincipal Satellite Systems EngineerWestminster, ColoradoVantor is hiring a Principal Satellite Systems Engineer to join our SpaceWRX team to execute space projects starting from customer needs to design, develop, and deliver the world’s most capable earth observation systems. Our AI-powered spatial intelligence platform fuses data from the world’s highest-resolution satellites with real-time sensor feeds from space, air, and ground to create the most accurate living digital replica of Earth.
Midstream Project Engineer - Natural Gas Facilities Farnsworth GroupMidstream Project Engineer - Natural Gas FacilitiesGreenwood Village, ColoradoAbility to manage engineering projects from conception to completion, including scoping, budgeting, scheduling, design coordination, construction support, and project closeout is desired. For ten consecutive years, we’ve been certified as a Great Place to Work®, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us.
Plumbing Project Engineer Farnsworth GroupPlumbing Project EngineerGreenwood Village, ColoradoPosting Locations: Normal- IL, Peoria- IL, Springfield- IL, Lisle- IL Dallas-TX, St. Louis- MO, Colorado Springs-CO, Denver- CO, Phoenix- AZ What You’ll Do: Lead plumbing system design for commercial, institutional, healthcare, and other building projects from concept through construction administration. For ten consecutive years, we’ve been certified as a Great Place to Work®, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us.
Mechanical Project Engineer DewberryMechanical Project EngineerDenver, Colorado$136,850–$195,500 / yearFull timeOur experience includes high performance buildings, net zero energy design, renewable energy technologies, microgrid and energy storage system design, energy recovery, energy and climate resilience, commissioning, retrocommissioning, energy audits and studies, carbon accounting, energy / carbon master planning, energy benchmarking, building analytics, water conservation, thermal storage, geothermal design, and other services related to decarbonization / electrification of the built environment. Please have a thorough understanding of building energy and distribution systems, including the ability to analyze existing and design new district energy systems, central plants, and thermal energy networks (including geothermal TENs) for large scale projects.
R0154840 Nuclear Project Engineer II AmentumR0154840 Nuclear Project Engineer IIEnglewood, ColoradoReporting to the Project Manager or Project Engineering Manager, the Project Engineer II : Coordinates the design of a technically sound, safe and operable facility with a high degree of reliability, demonstrating a robust technical command, organized administration of design requirements, and efficient execution of design activities to meet safety, scope, budget, schedule, and quality requirements, ensuring adherence to industry codes, regulatory requirements and sound engineering practices. Project Engineers are assigned to lead smaller teams of Supervising Discipline Engineers on small-to-mid size design scopes and/or during later project phases (Construction support) or may lead a discrete subset of disciplines on large-scale complex projects.
Mechanical Engineer, Space Based Interceptors (Senior - Staff) True AnomalyMechanical Engineer, Space Based Interceptors (Senior - Staff)Denver, CO$125,000–$255,000 / yearLeverage spacecraft and space environment design expertise - including precision mechanisms, electronics packaging, and launch load structural design - to inform cross-domain solutions and bring asymmetric technical advantage to Space Based Interceptors and hypersonic programs. Lead mechanical integration of propulsion subsystems, including solid rocket motor structural interfaces, divert and attitude control system (DACS) packaging, nozzle and TVC structural design, and cross-discipline coordination with propulsion engineers to ensure system-level compliance.
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.
Water Site Civil Engineer HDR, Inc.Water Site Civil EngineerDenver, COOur eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Experience in land development and the design of water and wastewater facilities related site civil (grading, utilities, yard piping, storm drainage, stormwater management, and erosion control) is required.
Mechanical Engineer - Stratospheric Balloons Urban SkyMechanical Engineer - Stratospheric BalloonsDenver, ColoradoDesign and analyze the thermal management of electronic enclosures operating in stratospheric conditions—managing extreme cold (battery thermal floors well below freezing), low convective heat transfer at altitude, internal heat dissipation, and solar/radiative loading to keep avionics, batteries, and power electronics within their operating limits. Develop electronics packaging designs for flight computer, power, communications (satellite/GNSS), and altitude-control and termination electronics—addressing enclosure layout, board mounting, connectorization, sealing, conformal/potting strategies, EMI considerations, and serviceability.
Civil Engineer Matrix TechnologiesCivil EngineerWestminster, CORemote$81,000–$115,000 / yearLead designs for site grading, site layout, stormwater management, storm sewers, sanitary sewers, water/firewater piping, pavement, parking lots, private roads/drives, erosion and sediment control, railroad spurs and general site development for industrial and manufacturing facilities. Matrix is seeking a self-driven mid to senior-level experienced Civil Engineer to join our team in one of our 8 office locations (Maumee, OH; Cincinnati, OH; Westminster, CO; Indianapolis, IN; Peachtree City, GA; Overland Park, KS; Edina, MN; Raleigh, NC).
Civil Engineer (Remote) Matrix TechnologiesCivil Engineer (Remote)Westminster, CORemote$81,000–$115,000 / yearLead designs for site grading, site layout, stormwater management, storm sewers, sanitary sewers, water/firewater piping, pavement, parking lots, private roads/drives, erosion and sediment control, railroad spurs and general site development for industrial and manufacturing facilities. Matrix is seeking a self-driven mid to senior-level experienced Civil Engineer to join our team in one of our 8 office locations (Maumee, OH; Cincinnati, OH; Westminster, CO; Indianapolis, IN; Peachtree City, GA; Overland Park, KS; Edina, MN; Raleigh, NC).
Mechanical Engineer II ProtingentMechanical Engineer IILouisville, CO$90,707–$124,744 / yearAbout Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies. You will provide solutions to a variety of technical problems of moderate scope and complexity and prepare detailed technical documentation and reports to communicate findings and support project objectives.