Principal Software Engineer (Hybrid, Denver Metro Preferred) FusionAuthPrincipal Software Engineer (Hybrid, Denver Metro Preferred)Denver, COFull timeWhen you join FusionAuth’s Denver team, you’ll enjoy a modern campus experience designed for productivity, wellness, and community: Newly upgraded amenity spaces including a sleek tenant lounge and café with booth seating and collaborative workspaces. Industry & Technology Leadership: Track where the identity industry is heading: passkeys/FIDO2, device authorization, DPoP, token binding, emerging OAuth and OIDC drafts, and the rapidly evolving intersection of AI and identity (agent authentication, scoped credential issuance, authorization for AI-driven workflows).
Principal Electrical Engineer, Global Vantage Data CentersPrincipal Electrical Engineer, GlobalDenver, ColoradoDeveloping and operating across North America, EMEA and Asia Pacific, Vantage has evolved data center design in innovative ways to deliver dramatic gains in reliability, efficiency and sustainability in flexible environments that can scale as quickly as the market demands. You will also own the mechanisms that connect design intent to project delivery across this discipline — including design governance, cross-discipline decision-making, readiness for handover, and the feedback loops that ensure field, commissioning and operational experience strengthens the next version of the platform.
Principal Engineer, Software Verint Systems, Inc.Principal Engineer, SoftwareDenver, COYou will operate at the intersection of hands-on engineering excellence and strategic technical leadership — contributing directly to complex features while shaping how the entire engineering organization builds, scales, and operates its software. + Cloud and Infrastructure: Deep hands-on experience with AWS or Azure including serverless compute, managed messaging (SQS/SNS/Service Bus), managed databases, and cost optimization.
Principal AI/ML Engineer (Large Language Model) (TS/SCI) {S} ARKA Group, L.P.Principal AI/ML Engineer (Large Language Model) (TS/SCI) {S}Aurora, ColoradoExperience leading an interdisciplinary team of researchers and software developers and working with a program manager to define project scope and schedule to ensure we meet project milestones as defined by our customers. Being situated at the foot of the Rocky Mountains, Aurora provides opportunities to enjoy all the beautiful nature that Colorado has to offer, while also being a 20-minute drive from downtown Denver and 15-minutes to the Denver International Airport.
Principal Android Engineer EchoStarPrincipal Android EngineerEnglewood, Colorado$127,050–$181,500 / yearFull timeAs a thought leader and technical anchor, this role not only shapes the internal architecture but also drives outward-facing integration projects and aligns engineering deliverables with overarching business goals. Demonstrated thought leadership with the ability to act as the definitive technical escalation point (anchor), capable of driving organizational change and presenting architectural vision to executive stakeholders.
Principal GNC Engineer True AnomalyPrincipal GNC EngineerDenver, CO$180,000–$305,000 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you 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. Own end-to-end development of spacecraft Guidance, Navigation, and Control (GNC) systems, including architecture definition, algorithm design, software implementation, hardware integration, verification, and flight operations.
Principal Software Engineer Avenue Technologies CompanyPrincipal Software EngineerAurora, ColoradoAvenue Technologies is seeking a Principal Software Engineer to support technical, engineering, and program teams in a hands-on environment. Design, develop, integrate, and maintain software applications that support engineering, production, or test environments.
Principal Design Engineer CrusoePrincipal Design EngineerDenver, Colorado$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.
Principal Engineer – Software EchoStarPrincipal Engineer – SoftwareEnglewood, ColoradoFull timeSkills, Experience and Requirements: Requires Bachelor’s degree (or foreign equivalent) in Computer Science, Engineering, or closely related field plus 5 years of experience in job offered or similar roles. Whether through research and development, technology innovation or solution engineering, our team members play a vital role in connecting consumers with the products and platforms of tomorrow.
NewAutonomy Engineer, Ops Research Senior - Principal True Anomaly IncAutonomy Engineer, Ops Research Senior - PrincipalDenver, CO$180,000–$360,000 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you 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. We build autonomous spacecraft, advanced payloads, mission software, and space-based interceptors - enabling the U.S. and its Allies to secure the space environment and counter threats from the ultimate high ground.
Principal Analytics Engineer AngiPrincipal Analytics EngineerDenver, ColoradoRemoteCross-Functional Alignment: Coordinate across data platforms and product teams to map use cases, eliminate duplicate work, surface technical tradeoffs early, and drastically reduce cycle times from business question to trusted answer. You will play a dual role: empowering human analysts to spend less time debugging and more time driving strategy, while simultaneously hardening our data layer into a load-bearing, semantic infrastructure that AI tools can query accurately and safely.
Principal Engineer – Vision Based Navigation Blue OriginPrincipal Engineer – Vision Based NavigationDenver, Washingtonand/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 Electrical Engineer Aspen Technical Staffing, IncPrincipal Electrical EngineerEnglewood, COLead and provide technical direction to engineers and designers executing electrical scopes on medium to large projects. In this role, you will lead electrical engineering efforts, oversee project execution, and ensure quality, compliance, and innovation across all deliverables.
NewAutonomy Engineer, Ops Research (Senior - Principal) True AnomalyAutonomy Engineer, Ops Research (Senior - Principal)Denver, CO$180,000–$360,000 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you 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. We build autonomous spacecraft, advanced payloads, mission software, and space-based interceptors - enabling the U.S. and its Allies to secure the space environment and counter threats from the ultimate high ground.
Electrical Engineer (Staff Or Principal), Emi/Emc True AnomalyElectrical Engineer (Staff Or Principal), Emi/EmcDenver, CO$165,000–$275,000 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you 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. As an Electrical Engineer (Staff or Principal), EMI/EMC at True Anomaly, you will serve as the company's technical authority for electromagnetic compatibility across our spacecraft, from individual avionics units through fully integrated vehicles.
Principal Platform Engineer – Linux Infrastructure & Modernization Arcadia Talent AdvisoryPrincipal Platform Engineer – Linux Infrastructure & ModernizationAurora, ColoradoThis role leads the design, operation, and modernization of secure Linux-based platforms supporting on-premise mission systems. The position balances deep infrastructure expertise with automation, containerization, and modernization initiatives while sustaining critical legacy environments.
NewPrincipal Mechanical Design Engineer, Antenna QorvoPrincipal Mechanical Design Engineer, AntennaDenver, CO$148,100–$192,500 / yearQorvo's Antenna Technologies team is seeking a Principal Mechanical Design Engineer to develop mechanical and thermal solutions for advanced antenna products, supporting phased array modules, antenna arrays, RF components, and prototype hardware from design through validation. A candidate in this position will be trained and expected to perform the following duties 1-2 years after joining the antenna team: Perform CFD thermal simulations and develop cooling solutions, including cold plates, heat sinks, and TIMs, for high-power RF components.
Principal Ground Navigation Engineer Blue OriginPrincipal Ground Navigation EngineerDenver, Washingtonand/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, R&D Engineer VizientPrincipal, R&D EngineerCentennial, CO$156,500–$290,100 / yearBy working directly with providers, operators, and product leaders across that network, the team has immediate access to the problems that matter most -- allowing it to identify needs early, validate ideas quickly, and build software grounded in how healthcare actually operates. Vizient is the largest healthcare performance improvement company in the U.S., working with thousands of hospitals and health systems and supporting care delivery for millions of patients nationwide.
Principal Network Software Engineer - Ts/Sci Rocket Lab USAPrincipal Network Software Engineer - Ts/SciLittleton, CO$170,000–$220,000 / yearImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.