Principal Software Engineer GliaCell TechnologiesPrincipal Software EngineerAurora, CO$190,000–$280,000 / yearProvides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements.
Principal Optical Engineer Atom ComputingPrincipal Optical EngineerBoulder, CO$160,000–$185,000 / yearEstablish and enforce best practices for optical design, performing critical design reviews, detailed tolerance analysis, and advanced stray light modeling to ensure suitability of design solutions. At Atom Computing, we build quantum computers using arrays of optically trapped neutral atoms that will empower customers to achieve unprecedented computational breakthroughs.
Principal Software Engineer - Control Systems Atom ComputingPrincipal Software Engineer - Control SystemsBoulder, CO$165,000–$200,000 / yearKnowledge in one or more of the following areas: computer architecture, signal processing, algorithm development, quantum error correction, distributed systems, or compilers, with a willingness to learn across disciplines as needed. This is a hands-on engineering role for someone who loves deep systems work, understands hardware/software co-design, and thrives at the intersection of physics, architecture, and performance engineering.
Senior / Principal Scientist, DMPK Ambrosia BiosciencesSenior / Principal Scientist, DMPKBoulder, ColoradoAs our lead oral small molecule GLP-1 candidate enters Phase 1 clinical trials and we accelerate the development of our broader preclinical pipeline, we seek passionate, driven individuals eager to make a meaningful impact in a dynamic, fast-paced environment. Backed by premier syndicate of investors including Blue Owl Healthcare Opportunities, Redmile, Deep Track Capital, BVF Partners, and Boulder Ventures, we are committed to advancing safe, effective, and accessible therapeutics that transform lives worldwide.
Principal Engineer, Linux and Virtualization Infrastructure Wideopenwest NetworksPrincipal Engineer, Linux and Virtualization InfrastructureDenver, ColoradoRemoteThis is a highly visible engineering role within our enterprise infrastructure organization, supporting multiple datacenters and environments while driving the design, architecture, implementation, and optimization of modern infrastructure solutions. You’ll play a key role in both greenfield deployments and the evolution of existing production environments, helping ensure our platforms remain scalable, resilient, secure, and future-ready.
Crypto Regulatory Principal, Membership Application Program Financial Industry Regulatory Authority, Inc.Crypto Regulatory Principal, Membership Application ProgramDenver, COFINRA 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. The role demonstrates expertise in managing applications, crypto trading platforms, market infrastructure, and distinctions between centralized exchanges, DeFi protocols, and traditional securities markets, utilizing advanced knowledge of custody of crypto asset securities, wallet creation, private key management, operational risk controls, and cybersecurity.
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.
Associate Principal Analyst, Surveillance And Market Intelligence Financial Industry Regulatory Authority, Inc.Associate Principal Analyst, Surveillance And Market IntelligenceDenver, COFINRA 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. Additional insurance includes basic life, accidental death and dismemberment, supplemental life, spouse/domestic partner and dependent life, and spouse/domestic partner and dependent accidental death and dismemberment, short- and long-term disability, long-term care, business travel accident, disability and legal.
Principal Machine Learning Engineer IbottaPrincipal Machine Learning EngineerDenver, ColoradoRemote$228,000–$253,000 / yearCommunicate 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).
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).
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 Structural Engineer ECOMOD LLCPrincipal Structural EngineerHudson, COFull timeCross-Functional Technical Leadership: Serve as the definitive structural authority within our multidisciplinary product development team, collaborating with architects, designers, and manufacturing engineers to deliver optimized, integrated solutions. Advanced Construction Methodologies: Champion and apply the principles of Design for Manufacturing and Assembly (DfMA) and Modern Methods of Construction (MMC) to enhance factory production efficiency, minimize material waste, and ensure scalability.
Principal Platform Engineer Atom ComputingPrincipal Platform EngineerBoulder, CO$170,000–$200,000 / yearIn this role, you will design and design infrastructure spanning on-prem lab environments and cloud platforms, driving key trade-off decisions across reliability, security, scalability, and cost. At Atom Computing, we build quantum computers using arrays of optically trapped neutral atoms that will empower customers to achieve unprecedented computational breakthroughs.
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 Hardware Engineer: High Speed Mixed Signal Designer Atom ComputingPrincipal Hardware Engineer: High Speed Mixed Signal DesignerBoulder, CO$180,000–$220,000 / yearExperience designing, characterizing, and optimizing for low phase noise and spurious content and good linearity in high-speed data-converter designs, inclusive of clock PLL and distribution phase noise, power-supply and reference noise coupling, data converter optimization, and gain / signal conditioning stages and correlating that budget against measured performance. Own the PCB-level design (working closely with the PCB layout designer) of multi-gigabit transceiver interfaces (10+ Gbps) between FPGAs and data converters (stackup, via and connector transitions, routing topology) and validate signal quality and crosstalk with S-parameter-based channel analysis.
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 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 AI Engineer Workday IncPrincipal AI EngineerBoulder, CO$217,000–$325,000 / year10+ years of professional software engineering experience with deep expertise in distributed systems, cloud computing, and API design, plus 2+ years of dedicated focus building production-grade LLM/agentic systems OR 7+ years of experience specifically within Machine Learning Engineering or AI application development, with 3+ years dedicated to shipping LLM-backed products. 6+ years of experience optimizing application performance (specifically tackling constraints like API latency and user interaction design), with 2+ years applied to modern LLM constraints (such as token management, cost optimization, and context-window efficiency).
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. Develop flight software (cFS, embedded Linux), ground systems (Python, modern web frameworks), and cloud/embedded ML or autonomy systems.
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.