Top Principal Engineer Jobs in Denver & Boulder, CO

Develop and maintain embedded satellite software, including command and control, mission planning, data analysis, and test infrastructure. Perform full software lifecycle activities from requirements and architecture through coding, testing, integration, documentation, and support. The role requires collaboration across teams, formal development practices, object-oriented design, UML modeling, and experience with cloud, web, database, and high-level programming technologies. Work is on-site five days per week and requires an active TS/SCI clearance.

Develops embedded satellite command-and-control, mission planning, data analysis, and test infrastructure software. Performs full software lifecycle activities, including requirements, architecture, design, coding, testing, integration, documentation, and support. The role requires software development across cloud, web, frontend, backend, modeling, and scheduling technologies, along with formal engineering practices, UML, object-oriented design, and active TS/SCI clearance. Work is primarily onsite five days per week.

Develops embedded satellite command-and-control, mission planning, data analysis, and test infrastructure software. Performs full software lifecycle activities, including requirements, architecture, design, coding, testing, integration, documentation, and support. The role requires expertise in software development, cloud and web technologies, object-oriented design, UML, configuration management, and formal development practices. Work is onsite five days per week in office, laboratory, production, or cleanroom environments, with possible travel between company and other locations.

Define EMI/EMC compliance architectures for spacecraft subsystems and electronic hardware. Perform requirements analysis, allocation, flow-down, design support, trade studies, environmental EMC test support, and system-level verification. Document test results, exceedances, and compliance reports while supporting programs throughout their lifecycle. Lead technical discussions and collaborate across engineering and business organizations. The role is primarily on-site and may involve travel between campuses or other facilities.

Lead Concept of Operations development for defense, intelligence, and civil aerospace systems. Define mission workflows and Day-in-the-Life plans across space, air, and ground domains; apply MBSE, modeling, simulation, and trade studies to validate operational concepts. Connect system design with implementation, lead multidisciplinary teams, support proposals and IRAD initiatives, and serve as a technical customer liaison. The role is on-site five days weekly and requires an active Secret clearance with eligibility for Top Secret/SCI.

Lead the development and integration of advanced GNC systems for spacecraft. The role involves designing algorithms, subsystem integration, and ensuring technical excellence across multiple aerospace projects.

Lead architecture, engineering, and lifecycle management of enterprise Hadoop clusters and supporting data platform services. Ensure scalability, reliability, security, and operational excellence; optimize infrastructure, drive provisioning and patching standards, troubleshoot distributed system issues, guide cloud/hybrid migration strategies, mentor engineers, and produce operational runbooks, data views, and automated processing.

Lead development and sustainment of optical coating capabilities for EO payloads. Collaborate with optical architects, supply chain, and technicians to design, qualify, and produce spaceflight-capable coatings. Produce data packages and reports, supervise junior staff, and maintain required security clearance and on-site presence for laboratory, production floor, and cleanroom work.

Drive firmware architecture for SSD platforms, develop firmware tools, provide debug support, validate customer requirements, and collaborate across engineering teams.

Own customer-focused system and SSD validation for enterprise and data-center products, including planning qualification cycles, maintaining test environments, analyzing results, debugging system and drive issues, reproducing customer problems, and developing automated test cases and scripts. Coordinate with firmware, hardware, and systems teams, lead validation execution, contribute to test strategy, mentor engineers, and apply AI to improve organizational efficiency.

Own customer-focused system and SSD validation for enterprise and data-center products. Plan qualification and regression cycles, maintain test environments, analyze results, debug system and drive issues, develop automation and test cases, and coordinate with firmware, hardware, and systems teams. The role also mentors engineers, contributes to validation strategy, supports customer qualification programs, and drives root-cause resolution across complex hardware and software environments.

Serve as a global SME for Industrial Metaverse technologies (PLCs, IoT, cloud/edge, digital twins, AI, EMC/RED, cybersecurity). Lead standards work, develop test programs, perform and supervise complex testing, train staff, represent UL externally, and support clients and continuous improvement across regional or global labs.

Leads firmware verification strategy, test planning, automation, coverage closure, and failure analysis for NVMe enterprise SSD products. Architects Python-based automation frameworks, CI/CD and regression infrastructure, defines validation standards, reviews test code, mentors engineers, and partners with firmware architects to improve testability. The role also applies structured debugging, protocol analysis, AI-enabled workflows, and cross-functional risk management across multiple SSD programs.

Leads the architecture and delivery of complex software-intensive systems across cloud platforms, distributed systems, AI-enabled products, mission software, and operational environments. Defines system boundaries, interfaces, integration strategies, and technical direction across teams; drives trade studies, risk mitigation, validation, operational readiness, and customer adoption. Partners with product and engineering leaders, influences without direct authority, improves technical standards, and mentors senior technical leaders while applying AI to accelerate systems engineering.

As a Principal Engineer, you'll architect and implement security features for storage products, focusing on cryptography and cybersecurity across development lifecycles.

Leads enterprise RF architecture and strategy for spacecraft communication systems across multiple missions and frequency bands. Oversees link performance, EMI/EMC strategy, verification, payload qualification, regulatory coordination, and technical standards. Influences executives, represents the company externally, drives innovative RF capabilities, and develops senior engineering talent across the organization.

Leads the architecture, design, development, integration, verification, and testing of complex software and multidisciplinary space systems. Responsibilities include managing system requirements and architectures, defining operational concepts, leading milestone reviews, mitigating technical risks, improving engineering processes, and mentoring software engineers. The role requires advanced software engineering expertise, scalable system design, algorithmic knowledge, technical leadership, and an active Top Secret clearance.

Lead design and prototyping of generative AI experiences for autonomy development; drive UX for Hivemind products; perform user research, collaborate with CTO and product leads, and deliver reference implementations and integrations across full-stack web and edge systems.

The manager will lead the NVMQRA team, ensuring product quality and reliability of non-volatile memory products through testing, collaboration, and continuous improvement.

Lead a technical team designing, deploying, and managing enterprise Red Hat OpenShift environments across virtual, bare-metal, hybrid, multi-tenant, and single-node clusters. Drive GitLab CI and GitOps automation, monitor performance, manage authentication and authorization, host persistent workloads, and maintain security compliance with FIPS, STIG, CMMC, and RMF requirements. Collaborate with architecture, security, and IT stakeholders while providing advanced escalation support and maintaining documentation and audit readiness.

Develop and support embedded satellite software, including command and control, mission planning, data analysis, and test infrastructure. Perform the full software lifecycle from requirements and architecture through coding, testing, integration, documentation, and support. Work with technologies including C/C++, Rust, Python, Ruby, cloud platforms, containers, web services, databases, and DevSecOps practices. The role is on-site five days per week and requires an active TS/SCI clearance.

Develops embedded satellite command and control, mission planning, and data analysis software and test infrastructure. Performs full software lifecycle activities, including requirements, architecture, design, coding, testing, integration, documentation, and support. The role requires expertise in modern software technologies, cloud and web development, object-oriented design, UML, configuration management, and formal development practices. It is fully on-site and supports defense and space missions.

Leads verification efforts for complex FPGA SoC designs supporting high-reliability space systems. Develops and verifies digital systems, filters, image-processing algorithms, and communication interfaces using FPGA technologies and verification methodologies. Applies VHDL, Verilog, SystemVerilog, Xilinx tools, and ModelSim/QuestaSim while managing requirements flowdown and collaborating with electrical and FPGA engineering teams. Provides technical leadership, documentation, presentations, and support across R&D, production, and proof-of-concept programs.

Develop satellite command and control, mission planning, data analysis, and embedded software systems. Perform full software lifecycle activities including requirements, architecture, design, coding, testing, integration, documentation, and support. Contribute to CI/CD, cloud, containerized, web, database, modeling, simulation, and test infrastructure development while collaborating across engineering and business teams. This is an on-site role requiring an active TS/SCI clearance.

As a Senior Principal Engineer, you'll define and drive the technical strategy for customer experience platforms, lead architectural decisions, and mentor engineering teams to enhance customer and agent experiences.