Principal Learning Consultant IbottaPrincipal Learning ConsultantDenver, ColoradoDesign and run Ibotta's leadership development strategy alongside the SVP of Talent Management; including cohort programs, leadership intensives, and ongoing skill-building tied to Ibotta's leadership behaviors. Ibotta (NYSE: IBTA) is a leading performance marketing platform allowing brands to deliver digital promotions to over 200 million consumers through a network of publishers called the Ibotta Performance Network (IPN).
Principal AI/ML Engineer (Large Language Model) CACIPrincipal AI/ML Engineer (Large Language Model)Aurora, Colorado$114,600–$252,100 / yearJob Title: Principal AI/ML Engineer (Large Language Model)Job Category: ScienceTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: LocalAnticipated Posting End: 12/2/2026 The Opportunity: The Principal AI/ML Engineer will support the development of AI/ML algorithms in a multitude of disciplines from object detection/classification, natural language processing, reinforcement learning, and large language models. Experience 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.
Senior Principal Investigator, Crypto Asset Investigations - Tokenized Securities Markets Financial Industry Regulatory Authority, Inc.Senior Principal Investigator, Crypto Asset Investigations - Tokenized Securities MarketsDenver, COThe Senior Principal Investigator in Crypto Asset Investigations (CAI) conducts high-complexity investigations into crypto asset activities of FINRA member firms and their associated persons; provides subject matter expertise to Regulatory Operations staff on crypto asset matters and initiatives; assists in the development and delivery of crypto asset training for FINRA staff and the securities industry; and assist in external engagements and intelligence sharing initiatives to raise awareness of emerging and priority threats related to crypto asset and blockchain technology, and highlight related challenges and effective practices. FINRA employees are required to disclose to FINRA all brokerage accounts that they maintain, and those in which they control trading or have a financial interest (including any trust account of which they are a trustee or beneficiary and all accounts of a spouse, domestic partner or minor child who lives with the employee) and to authorize their broker-dealers to provide FINRA with duplicate statements for all of those accounts.
Principal Geotechnical Tailings Engineer, North America Minerals & Metals AtkinsRealisPrincipal Geotechnical Tailings Engineer, North America Minerals & MetalsDenver, CO$165,000–$225,000 / yearNote to staffing and direct hire agencies: In the event a recruiter or agency who is not on our preferred supplier list submits a resume/candidate to anyone in the company, AtkinsRéalis family of companies, we explicitly reserve the right to recruit and hire the candidate(s) at our discretion and without any financial obligation to the recruiter or agency. Working closely with other senior engineers and supported by junior engineers and technicians, the Principal Engineer will be involved in all stages of the design of structures, from concept to design to construction on earthwork projects in the mining and water resources sectors.
Enverus Careers - Principal Consultant I Oil & Gas- 26308 EnverusEnverus Careers - Principal Consultant I Oil & Gas- 26308Denver, CO$80,000–$90,000 / yearOur solutions create more efficient production and distribution, capital allocation, renewable energy development, investment and sourcing, and help reduce costs by automating crucial business operations. But we've continued to lead the way in energy technology, creating intelligent connections across the entire energy ecosystem, from renewables, power and utilities, to oil and gas and financial institutions.
Principal Machine Learning Engineer IbottaPrincipal Machine Learning EngineerDenver, ColoradoRemoteCommunicate complex machine learning solutions, concepts and the results of analyses in a clear and effective manner to business stakeholders and technology leaders to maximize the effectiveness of machine learning initiatives. Ibotta (NYSE: IBTA) is a leading performance marketing platform allowing brands to deliver digital promotions to over 200 million consumers through a network of publishers called the Ibotta Performance Network (IPN).
Talent Data Management Associate Director - Principal Data Architect (Location Flexible) RSMTalent Data Management Associate Director - Principal Data Architect (Location Flexible)Denver, CO$136,800–$242,000 / yearAs the organization's HR data architecture leader, this position is responsible for designing modern relational database solutions and Azure-based data warehouse architecture that enable trusted, high-quality data for downstream analytics and Power BI reporting. This role leads the design, governance, and evolution of the Talent Operational Data Store (ODS), ensuring HR data is scalable, secure, reliable, and optimized to support enterprise reporting, analytics, and business intelligence.
Principal Software Engineer (TS/SCI) {S} ARKA Group, L.P.Principal Software Engineer (TS/SCI) {S}Aurora, ColoradoBeyond direct design, the architect is expected to drive technical consensus through trade studies, proactively identify and mitigate technical risks, act as the primary technical interface to leadership, government customers, and sub-contractor CA/CE’s, and actively participate in the mentorship and growth of the distributed engineering team, ultimately joining our team to help shape the development and delivery of custom solutions and providing significant opportunities for personal skill development at ARKA. ARKA is seeking an accomplished Software Architect/Principal Software Engineer who is deeply customer mission-focused and passionate about providing strategic technical leadership in the software architecture and design of complex government systems, requiring proven experience leading programs involving 30+ developers in a distributed environment.
Principal Systems Engineer Xcimer EnergyPrincipal Systems EngineerDenver, CO$201,450–$237,000 / yearDevelop strategies, approaches for specialty engineering (operability, reliability, maintainability, supportability) integration, analysis and verification. 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 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 Software Engineer- Flight Systems FS StudioPrincipal Software Engineer- Flight SystemsDenver, ColoradoA fast-growing space-technology company is seeking a Principal Software Engineer to lead architecture and development of ground and flight software for lunar and deep-space missions. Principal Software Engineer – Space Systems Location: Greater Denver, CO (on-site 3–5 days/week) Salary: $160k–$195k + bonus + benefits + relocation.
Principal Design Engineer CrusoePrincipal Design EngineerDenver, ColoradoWe'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 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.
Substation Physical - Principal Engineer ANSSubstation Physical - Principal EngineerDenver, Colorado$153,700–$197,600 / yearKey Responsibilities: Strategic Leadership: The successful candidate will provide strong leadership, overseeing team management, staffing, planning, training, and resource development to ensure the successful execution of projects. Under the direction of experienced engineers and in collaboration with a team, you will gain exposure to the Renewables industry in Solar and Battery Energy Storage projects and Utility Interconnections.
Principal Electrical Engineer CrusoePrincipal Electrical EngineerArvada, ColoradoWe'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. Leadership & Mentorship: Provide expert mentorship to Staff and Senior Electrical Engineers, elevating the team's technical capabilities and fostering future leaders.
Principal Network Software Engineer - TS/SCI Rocket Lab USAPrincipal Network Software Engineer - TS/SCILittleton, CO$170,000–$230,000 / yearTo 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 business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.
Principal Manufacturing Development Engineer Xcimer EnergyPrincipal Manufacturing Development EngineerDenver, CO$170,000–$220,000 / yearSupplier and Integrator Management: Work with procurement and external vendors to develop RFQs, define technical specifications, manage build and installation phases, and lead factory and site acceptance testing for robots, cobots, palletizers, and other actuated parts of the production line. Manufacturing Process Optimization: Evaluate and improve automated manufacturing workflows by analyzing cycle times, material flow, automation ROI, and work-in-process buffering to support consistent production output.
Senior Principal Consultant, Transactional Due Diligence SLR ConsultingSenior Principal Consultant, Transactional Due DiligenceDenver, COactive clients and expertise in client management, internal staff management, and the management of multiple project efforts and project teams; including coordination with staff resources, clients, subcontractors, and regulatory agencies. In the Americas, the Strategic Advisory Team is comprised of over 250 professionals across the Finance, Energy, Mining, and Corporate Sustainability practices, and is now looking for a Senior Principal Consultant to help manage and grow the Finance Advisory - Transactional Due Diligence practice.
Healthcare Engineering Principal HDR, Inc.Healthcare Engineering PrincipalDenver, 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. Work closely with local office leadership and Central Region leadership to ensure that the health engineering practice is meeting the business objectives for the firm from a local and regional perspective.
Education And Science Principal HDR, Inc.Education And Science PrincipalDenver, COWe are consistently ranked #1 in Science and have been recognized by the industry's Lab of the Year program 11 times for designing facilities in which world-class scientists can discover cures for insidious diseases, create new sources of clean energy, protect our resources and improve public health-enriching people's lives around the world. In collaboration with subject matter experts, and independently when appropriate, developing abstracts and presentations for industry conferences, seminars, workshops, and other similar events promoting program messages, research, project outcomes, lessons learned, trends, etc.