Principal Software Engineer- Embedded OS ALTEN TechnologyPrincipal Software Engineer- Embedded OSDenver, Colorado$125,000–$150,000 / yearWe’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. The actual salary offered is dependent on various factors including, but not limited to, location, the candidate’s combination of job-related knowledge, qualifications, skills, education, training, and experience.
Principal Software Engineer- Embedded OS ALTEN Technology USAPrincipal Software Engineer- Embedded OSDenver, CO$125,000–$150,000 / yearWe're ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. The actual salary offered is dependent on various factors including, but not limited to, location, the candidate's combination of job-related knowledge, qualifications, skills, education, training, and experience.
Senior / Principal Devsecops Software Engineer SciTecSenior / Principal Devsecops Software EngineerBoulder, CO$145,000–$204,000 / yearFor the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness; and aircraft survivability missions. SciTec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense.
Principal Adaptive Optics Engineer Xcimer EnergyPrincipal Adaptive Optics EngineerDenver, CODemonstrated hands on experience working with laser beams, including propagation, beam quality, wavefront control, and interaction with real optical hardware . We support the establishment and maintenance of a workplace that fosters trust, equality, and teamwork, in which all employees recognize and appreciate the diversity of individual team members.
Principal Manufacturing & Assembly Engineer Executive Recruiting GroupPrincipal Manufacturing & Assembly EngineerBroomfield, CO$120,000–$180,000We are seeking a Principal Manufacturing & Assembly Engineer who can develop manufacturing processes and assembly methods that transition designs into reliable, repeatable production. Design and develop rocket propulsion structures, motor cases, nozzles, and flight hardware.
NewPrincipal Cloud Engineer ZOLL MedicalPrincipal Cloud EngineerBroomfield, ColoradoRemoteLead the documentation and implementation of NIST 800-53 security controls as they apply to cloud infrastructure, with emphasis on the high-friction control families: AC (Access Control), AU (Audit and Accountability), CM (Configuration Management), IA (Identification and Authentication), IR (Incident Response), RA (Risk Assessment), SA (System and Services Acquisition), SC (System and Communications Protection), and CA (Assessment, Authorization, and Monitoring). Implement and document the logging and audit strategy: log sources, event categories, centralization (OTEL/CloudTrail/VPC Flow Logs), retention periods, access controls, review cadence, alerting, and time synchronization—covering AU-2, AU-6, AU-11, and AU-12 as a cohesive set.
Principal Automation Software Test Engineer: SDET MedtronicPrincipal Automation Software Test Engineer: SDETLafayette, ColoradoIf you are applying to perform work for Medtronic, Inc. (“Medtronic”) in any position which will involve performing at least two (2) hours of work on average each week within the unincorporated areas of Los Angeles County, you can find here a list of all material job duties of the specific job position which Medtronic reasonably believes that criminal history may have a direct, adverse and negative relationship potentially resulting in the withdrawal of a conditional offer of employment. The following benefits and additional compensation are available to those regular employees who work 20+ hours per week: Health, Dental and vision insurance, Health Savings Account, Healthcare Flexible Spending Account, Life insurance, Long-term disability leave, Dependent daycare spending account, Tuition assistance/reimbursement, and Simple Steps (global well-being program).
Principal Compliance Engineer True AnomalyPrincipal Compliance EngineerDenver, CO$195,000–$270,000 / yearWork Location-Successful candidates will be located near one of our office locations including Centennial, CO; Long Beach, CA; SF Bay Area, or Washington D.C. Work environment-the work environment; temperature, noise level, inside or outside, or other factors that will affect the person's working conditions while performing the job. To 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.
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 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.
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 Automation Engineer Agilent Technologies, Inc.Principal Automation EngineerFrederick, CO$146,640–$229,125 / yearKnowledge of computerized systems' server and personal computer hardware, networking, operating systems, integrated architecture, cyber security and resiliency. Agilent's Advanced Therapeutics Division is a contract development and manufacturing organization providing products and services for our clients that provide medicines for many indications improving health for patients.
Principal Design & Firmware Engineer QorvoPrincipal Design & Firmware EngineerDenver, CO$148,100–$192,500 / yearQorvo's Antenna Technologies team is seeking a Principal Firmware & Electrical Design Engineer to design, build, test, and maintain embedded controller hardware and firmware for phased array reference designs and array products, with support for power supply and digital control circuitry. Qorvo serves multiple high-growth segments of large global markets, including consumer electronics, smart home/IoT, automotive, EVs, battery-powered appliances, network infrastructure, healthcare and aerospace/defense.
NewPrincipal Avionics Hardware Engineer Blue OriginPrincipal Avionics Hardware EngineerLittleton, Coloradoand/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.
Sr. Principal Software Engineer Sierra SpaceSr. Principal Software EngineerCentennial, COYou will make high-level design decisions that significantly impact program cost, schedule, and technical performance, drive the strategic direction of the software engineering team, and demonstrate project leadership, strong problem-solving skills, and effective communication with non-technical stakeholders. Furthermore, you will architect and oversee the technical aspects of large-scale projects, innovate, and make strategic decisions regarding the adoption of new technologies and methodologies to enhance efficiency and effectiveness.
Principal Test Engineer & Lab Manager QorvoPrincipal Test Engineer & Lab ManagerDenver, CO$148,100–$192,500 / yearMaintaining internal stores such as assembled array boards, connectors, electronics, resistors, capacitors, mechanical housings, radomes, test fixtures, cables, and related materials required to build, test, and deliver assembled, packaged array products. Qorvo's Antenna Technologies team is seeking a Principal Test Engineer & Lab Manager to manage antenna lab operations and lead assembly, bring-up, and testing of phased array antenna and RF hardware for mission-critical Defense & Aerospace products.
NewSr Principal Software Engineer (Clearance Required) Sierra SpaceSr Principal Software Engineer (Clearance Required)Louisville, CO$206,107–$283,397.50 / yearYou will make high-level design decisions that significantly impact program cost, schedule, and technical performance, drive the strategic direction of the software engineering team, and demonstrate project leadership, strong problem-solving skills, and effective communication with non-technical stakeholders. Furthermore, you will architect and oversee the technical aspects of large-scale projects, innovate, and make strategic decisions regarding the adoption of new technologies and methodologies to enhance efficiency and effectiveness.
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 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.
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.