Major Project Civil Engineer (Staff, Senior, or Principal) Xcel EnergyMajor Project Civil Engineer (Staff, Senior, or Principal)Denver, ColoradoAs a leading combination electricity and natural gas energy company, Xcel Energy offers a comprehensive portfolio of energy-related products and services to 3.4 million electricity and 1.9 million natural gas customers across eight Western and Midwestern states. Coordinate/leads critical projects or portions of projects (including phases such as research, design, equipment selection, procurement support, installation & commissioning), under the direction of a higher level engineer or supervisor.
Sr Principal SW Development Engineer UKGSr Principal SW Development EngineerDenver, CO$163,900–$235,550 / yearOperating at a principal level, this role goes well beyond traditional requirements gathering—serving as a trusted advisor, systems strategist, and transformation leader across large, multi-phase programs involving D365 Finance & Operations, and integrated enterprise platforms. This role partners closely with Finance and Go To Market teams and IT leadership to translate complex business objectives into scalable, compliant, and future-ready system solutions.
Principal Hardware Engineer Prime RoboticsPrincipal Hardware EngineerDenver, CO$180,000–$240,000 / yearPrime Robotics is looking for an experienced Principal Hardware Engineer who works across three modes depending on where the urgency is: fix, build, and design. Design: You will work directly with our China engineering team to improve PCB and electrical system designs: grounding schemes, EMI resilience, connector selection, and environmental sealing.
Principal, Agentic Product Design Engineer AlteryxPrincipal, Agentic Product Design EngineerColoradoRemoteWithin the first 6–12 months, this person is expected to identify and deliver several high-leverage AI initiatives, establish a roadmap for AI-enabled product development, create reusable patterns and tooling adopted by multiple teams, and help shape how our organization designs, builds, and ships AI-powered experiences. Identify and implement high-impact enhancements across design system tooling, AI-enabled workflows, and product experiences, balancing long-term platform investments with immediate user and developer needs.
Principal Software Engineer DSC ResourcesPrincipal Software EngineerColoradoThis individual will be experienced in cloud-native architectures, distributed systems, CI/CD, and modern AI-assisted engineering practices, with a passion for leading by example through active contribution to design and development, delivering end-to-end, innovative, high-quality solutions. This role reports to the Director of Engineering and plays a critical leadership role in shaping the technical strategy and architecture across product lines, driving innovation, and enabling the development of both existing and next-generation platforms.
Principal AI Engineer Strive HealthPrincipal AI EngineerDenver, CO$130,000–$196,000 / yearThis role will work as a forward-deployed AI engineer embedded with business and functional leaders to identify high-value problems, rapidly prototype and deploy practical AI solutions, and help teams adopt new ways of working enabled by enterprise AI platforms such as Claude Code, Glean, and related tools. Create reusable patterns, prompts, skills, templates, runbooks, and reference implementations so successful approaches can be adopted repeatedly; help business teams replace repetitive administrative effort with AI-assisted workflows while preserving the human judgment and relationships that matter most.
Principal Quantum Engineer Atom ComputingPrincipal Quantum EngineerBoulder, CO$200,000–$230,000 / yearWe welcome applicants from a diverse set of backgrounds, but are specifically interested in candidates with experience in the following fields: Trapping and manipulation of cold atoms; Coherent control of quantum systems (for example: neutral atoms, trapped ions, NV- centers, nuclear magnetic resonance, superconducting qubits); Quantum characterization, verification, and validation (QCVV) techniques. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information.
Principal Engineer, Controls Hardware Beehive IndustriesPrincipal Engineer, Controls HardwareLoveland, ColoradoThis includes setting engine control hardware requirements, designing actuators and pumps for the engine control, integrating and iterating with engine software design and analysis, predicting and simulating engine performance or control logic with computer tools and component tests, and formally issuing the hardware design for an engine control system. Experience designing, procuring, and validating electronic engine control (EEC) and full authority digital engine control (FADEC) systems in addition to sensors, fuel systems, lube components, and other auxiliary systems.
TS/SCI - Principal Software Engineer Associates SystemsTS/SCI - Principal Software EngineerAurora, ColoradoThe engineer will work across the full software development lifecycle, troubleshoot system anomalies, coordinate software upgrades, and develop technical solutions for complex software, configuration, network, and operating system issues. Seeking a Principal Software Engineer to support the enhancement, modification, troubleshooting, and sustainment of existing software systems.
Principal Engineer, Rendezvous & Proximity Operations (Rpo), Guidance, Navigation & Control, Lead Sierra SpacePrincipal Engineer, Rendezvous & Proximity Operations (Rpo), Guidance, Navigation & Control, LeadLouisville, CO$184,628–$253,884.50 / yearLead end-to-end efforts in Rendezvous, Proximity Operations (RPO), and docking activities, including mission planning, trajectory optimization, system integration, and operational execution to ensure precise and reliable spacecraft interactions. You will also perform sensor and actuator selection and sizing based on program requirements, using and developing relevant design tools, and assist in AI&T by conducting HITL unit and integrated testing to verify GNC subsystem performance.
Principal Bios Embedded Software Engineer Hewlett Packard EnterprisePrincipal Bios Embedded Software EngineerFort Collins, CO$160,000–$303,000 / yearPreferred qualifications include experience with server platform bring-up, silicon initialization, ACPI, SMBIOS, IPMI or Redfish-related firmware interfaces, secure boot, firmware update flows, board-level debug tools, and collaboration with BIOS vendors or silicon partners. Please note that Hewlett Packard Enterprise (HPE), its direct and indirect subsidiaries and affiliated companies, and its authorized recruitment agencies/vendors will never charge a candidate a registration fee, hiring fee, or any other fee in connection with its recruitment and hiring process.
Sr. Principal Algorithms Software Engineer - Boulder, Colorado Davidson Technologies, Inc.Sr. Principal Algorithms Software Engineer - Boulder, ColoradoBoulder, COFull timeJob Requirements:Principal Algorithm Software Engineer (Level 3): Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and 5 years of related experience, or a Master's degree in a STEM discipline and 3 years experience, or a PhD and 1 year of experience. Principal Algorithm Software Engineer (Level 4): Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and 8 years of related experience, or a Master's degree in a STEM discipline and 6 years experience, or a PhD and 4 year of experience.
Electrical Engineer (Senior - Principal), Harness True AnomalyElectrical Engineer (Senior - Principal), HarnessDenver, CO$135,000–$275,000 / yearExcellent written and verbal communication skills, including experience shaping cross-org alignment and maintaining composure and clarity under program pressure and influencing executive leadership on technical strategy, investment priorities, and organizational direction. Embed True Anomaly's values into cross-org delivery practices; serve as a visible role model for trust, accountability, and principled engineering judgment while setting the cultural tone for how teams collaborate and hold themselves accountable.
Principal Full Stack Engineer ReleadyPrincipal Full Stack EngineerDenver, ColoradoYou will write production code every day across the full platform—front-end, back-end, and full-stack work spanning AI and chat, document processing, analytics, and claims processing, all on a single modern tech stack. Developers own setup, testing, and integration testing without handing work off across silos, which lets the team move faster than a traditional enterprise structure allows.
NewPrincipal Avionics Hardware Engineer Blue Origin Enterprises LPPrincipal Avionics Hardware EngineerLittleton, CO$173,466–$242,851.35 / 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. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
NewPrincipal Avionics Hardware Engineer Blue OriginPrincipal Avionics Hardware EngineerLittleton, Colorado$173,466–$242,851.35 / 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. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
Principal Engineer, Compressor Module Leader Beehive IndustriesPrincipal Engineer, Compressor Module LeaderLoveland, ColoradoPlease note that wage information is a general guideline only, and we will consider factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/training, key skills, and market conditions when extending an offer. As the organization grows, this role will be responsible for scaling design capability to support additional projects which may include some future team leadership.
Principal Integration Engineer MaximusPrincipal Integration EngineerColorado Springs, COFull timeDrive adoption of modern integration patterns, including API-first design, event-driven architectures, microservices-aligned integrations, and reusable integration components. • Proven experience designing scalable enterprise integration architectures across cloud services, SaaS platforms, enterprise applications and APIs.
Principal Quantum Compiler Engineer - 924 QuantinuumPrincipal Quantum Compiler Engineer - 924Broomfield, CO$210,000–$270,000 / yearWe tackle some of the hardest compiler and optimization problems in quantum computing, including scalable routing across trapped-ion architectures, compilation for fault-tolerant quantum systems, and architecture-aware optimizations. In this hands-on technical leadership role, you will shape the compiler roadmap by architecting, prototyping, and evaluating technologies that advance the languages, tooling, and optimization strategies used to develop and execute programs efficiently on our quantum platforms.
Principal Design Engineer Crusoe EnergyPrincipal Design EngineerDenver, CO$200,000–$240,000 / 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. Liquid Cooling Transition: Lead systems-level engineering for the shift from air-cooled units to DLC/CDU architectures, managing integration impacts on power density and structural loads.