Top Principal Engineer Jobs in Denver & Boulder, CO

Performs end-to-end software and hardware system testing for the Deep-Space Advanced Radar Capability program. Develops test plans, procedures, verification methods, integration scenarios, and reports; supports formal acceptance testing, fault detection and recovery, test readiness reviews, requirements documentation, peer reviews, and technical data analysis. The role also supports Agile development, test automation, and integration of complex radar systems across engineering disciplines.

Designs and implements embedded satellite command-and-control, mission planning, and data analysis software. Performs full software lifecycle activities (requirements, architecture, design, coding, testing, integration, documentation, support) and maintains on-site engagement. Works across programs using CI/CD, containerization, cloud, and modern web/back-end/front-end technologies.

Design, develop, and test C++ software for RF processing, radar systems, simulations, and toolchains. Translate algorithm descriptions into software, integrate radar systems with experimental data and analytical tools, optimize performance, and participate in code reviews. Collaborate with cross-functional engineering teams to define requirements and deliver reliable, scalable solutions. The role is performed onsite five days per week and requires an active Secret clearance with eligibility for Top Secret/SCI.

Design, develop, test, and maintain embedded satellite command & control, mission planning, and data analysis software. Perform full software lifecycle work (requirements, architecture, code, integration, test, documentation), collaborate across teams, and support on-site development and deployment activities.

Develop and maintain embedded satellite command-and-control, mission planning, and data analysis software. Perform full software lifecycle tasks (requirements, architecture, design, code, test, integration, documentation). Build and support test infrastructure, CI/CD and containerized deployments. Work onsite regularly and collaborate across engineering and program teams. Requires active TS/SCI clearance and experience with modern cloud, embedded, and software engineering practices.

Define EMI/EMC compliance architectures for spacecraft subsystems and electronic hardware. Perform requirements analysis, allocation, interface definition, trade studies, circuit and system analysis, and environmental EMC test support. Document test results, investigate exceedances, prepare compliance reports, and lead activities across the program lifecycle. The role requires expertise in EMI/EMC physics, RF analysis, space environments, reliability, risk mitigation, and applicable military and spacecraft testing standards.

Design, build, deploy, and maintain resilient, scalable production systems for Toast’s retail customers. The role sets long-term technical architecture and strategy, communicates technical direction, mentors senior engineers, improves engineering productivity, diagnoses performance issues, and drives initiatives amid ambiguity. Engineers collaborate directly with retail customers, visit stores, understand operational workflows, and use AI tools to improve development velocity and quality.

Lead design and analysis of space-based RF payloads and digital receivers; manage suppliers and subcontractors; integrate ultrawideband ADCs, ASICs, and AI/ML signal processing; work across direct-sampling, heterodyne, and HF-to-mmWave receivers; collaborate with cross-functional teams. Requires active TS/SCI clearance, BS in engineering plus experience, and on-site work five days per week.

Lead design and analysis of RF payload systems and board-level digital receivers. Manage suppliers/subcontractors, integrate wideband receiver/processors, and collaborate with customers and internal teams. Apply technologies such as ultrawideband ADCs, ASICs, AI/ML signal processing, and phased-array RF chains to develop space-based RF sensor payloads. Provide technical leadership, presentations, and cross-functional coordination.

The Principal Engineer will lead the design and delivery of core platform capabilities, focusing on scalable systems, AI application, and mentoring engineers while driving architectural decisions and improving operational systems.

Provides technical leadership for MBSE, systems architecture, and digital engineering across complex programs. Develops system architectures, requirements structures, interfaces, verification relationships, modeling methods, reference architectures, and reusable MBSE patterns. Integrates models with engineering and lifecycle data, evaluates systemic process and digital opportunities, mentors engineers, facilitates cross-functional technical discussions, and guides responsible use of AI and automation in engineering workflows.

Provides senior technical leadership for systems engineering, MBSE, digital engineering, and enterprise ecosystem initiatives. Leads complex systems analysis, architecture, integration, verification, and lifecycle engineering across programs and organizations. Defines MBSE strategies, digital architectures, standards, governance, and reusable capabilities; advises leadership, mentors technical professionals, resolves cross-functional challenges, and evaluates emerging AI and automation technologies. The role is primarily on-site at least three days per week, with possible travel between campuses and other locations.

Provides senior technical leadership for systems engineering, MBSE, systems architecture, and digital engineering initiatives. Leads cross-disciplinary systems analysis, defines enterprise MBSE strategies, develops digital ecosystem architectures, and integrates engineering data, models, tools, and processes. Advises leadership, establishes standards and technical roadmaps, mentors engineers, resolves complex organizational challenges, and evaluates AI and automation opportunities. The role is primarily on-site and may involve travel between campuses or other locations.

Provides technical leadership in MBSE, systems architecture, and digital engineering for complex programs. Develops system architectures, requirements structures, interfaces, verification relationships, modeling methodologies, reference architectures, and reusable patterns. Integrates models with engineering information and guides enterprise digital engineering solutions. Facilitates cross-disciplinary technical discussions, mentors engineers, evaluates AI and automation applications, and influences technical direction across programs and organizations.

Lead the architecture and development of next-generation RADAR systems. Direct multidisciplinary integrated product teams across mechanical, electrical, software, firmware, and test engineering; own trade studies, technical roadmaps, customer CONOPS, supplier oversight, risk management, and executive reporting. Mentor systems engineers, improve technical processes, and oversee hardware execution from design through manufacturing, integration, testing, and operational delivery.

Provides senior technical leadership for systems engineering, MBSE, systems architecture, and digital engineering initiatives. Leads complex systems analysis, defines enterprise MBSE strategies, establishes technical direction for integrated engineering information, and guides digital ecosystem architectures. Advises senior leadership, develops standards and governance, evaluates AI and automation opportunities, mentors technical leaders, and resolves cross-functional challenges across engineering, program, IT, and business organizations.

Lead the architecture and technical roadmap for a next-generation RADAR system. Coordinate multidisciplinary teams across RADAR, mechanical, electrical, software, firmware, and test engineering; manage trade studies, requirements, verification, risk, schedules, customer engagement, subcontractors, and executive reporting. Mentor systems engineers, develop technical processes, and oversee hardware execution from design through manufacturing, integration, testing, and operational delivery. The role requires on-site work five days per week and an active Secret clearance with eligibility for Top Secret/SCI.

Provides technical leadership in Model-Based Systems Engineering, systems architecture, and digital engineering. Leads architecture, requirements, functional decomposition, interface, verification, modeling, and lifecycle activities; develops reusable MBSE methods and reference architectures; integrates models with engineering tools and data; mentors engineers; supports enterprise MBSE adoption; and evaluates AI and automation opportunities. The role requires cross-disciplinary facilitation, technical influence, and collaboration across engineering, program leadership, IT, and other organizations.

Lead spacecraft electrical power systems engineering across program phases. Act as responsible engineer for batteries, solar arrays, power conversion and distribution, support procurement, sizing, technical proposals, and IR&D. Represent EPDS to programs and contribute to power system architectures, testing, and delivery of space-qualified hardware.

Lead spacecraft electrical power systems engineering for space missions, performing design, sizing, testing, procurement oversight, and delivering EPDS components (batteries, solar arrays). Represent power team to programs, support proposals, advance power architectures, manage IR&D, and collaborate across teams to ensure mission requirements are met.

Supports satellite and spacecraft design, development, and operations by analyzing hardware health, troubleshooting discrepancies, performing calibrations, maintaining technical documentation, and briefing customers and management. Collaborates with engineers, technicians, factory teams, and contractors to resolve technical issues and execute vehicle engineering tasks. The position is fully on-site and may involve laboratory, production floor, cleanroom, and outdoor environments.

Designs and implements embedded satellite command-and-control, mission planning, and data analysis software. Performs full software lifecycle tasks—requirements, architecture, design, coding, testing, integration, documentation, and support—while working on-site and collaborating across business and technical teams.

Design, implement, test, and integrate embedded satellite command/control, mission planning, and data analysis software. Perform full software lifecycle activities (requirements, architecture, coding, testing, integration, documentation) and maintain cross-team relationships while supporting program portfolios and on-site operations.

Lead development of embedded satellite command-and-control, mission planning, and data analysis software. Perform full software lifecycle (requirements, architecture, design, coding, testing, integration, documentation, support), maintain CI/CD and containerized/cloud services, produce UML designs, and collaborate across engineering and business units to deliver high-quality, testable systems.

Supports the design, development, and operation of satellites and spacecraft. Analyzes hardware state-of-health, troubleshoots system discrepancies, performs calibration activities, and maintains technical documentation and procedures. Interfaces with factory teams and contractors, collaborates with engineers and technicians, and delivers technical briefings, reports, status updates, and presentations to customers and management. The role is performed on-site and may involve laboratory, production floor, cleanroom, and outdoor environments.