Program Principal Engineer BCC-NIHProgram Principal EngineerBethesda, MarylandBlack Canyon Consulting (BCC) is searching for a Program Principal Manager (C++ Software Developer) to support our work at the National Institutes of Health (NIH) . Work with a diverse group of scientists, bioinformaticians and other developers across the center to implement efficient bioinformatics algorithms.
Principal Marketing Scientist Geico InsurancePrincipal Marketing ScientistBethesda, MD$80,000–$230,000 / year4+ years of demonstrated experience in Marketing Science related solutions including, but not limited to: MMM, MTA, A/B Testing, Design of Experiments, Statistical Hypothesis Testing, Attribution, Response Modeling, Uplift Modeling, Audience List Creation and Deployment, Identity Resolution, Econometric Modeling, or other applied marketing science solutions. Geico is looking to hire a Principal Marketing Scientist to join the Marketing team in leading complex data analysis of large datasets and development of statistical marketing measurement methodologies to drive business decisions, identify actionable insights, and create specific business value through deployed solutions.
Principal, Strategic Comms/Comms Focused PrecisionPrincipal, Strategic Comms/Comms FocusedWashington, DC$85,000–$105,000 / yearOur team is seeking a principal to join our Strategic Communications team in New York, NY or Washington DC executing cutting-edge communications strategy for clients ranging from nonprofits and advocacy groups to media start-ups and industry leaders. understanding how work ladders up to the larger goal, meets deadlines without reminders, organizes documents for team sharing, comfortable with a variety of tools and hard skills, can manage multiple projects at once, manages up, if necessary).
Principal of Commercial Blue EnergyPrincipal of CommercialChevy Chase, MarylandWe also pair natural gas with nuclear at our sites, so customers can start receiving power from gas turbines right away and then switch over to clean nuclear power once it comes online - getting energy to the grid faster while nuclear is being built. This role sits at the intersection of customer strategy, commercial structuring, and market insight - supporting the creation, positioning, and execution of first-of-a-kind commercial offerings for Blue Energy’s Small Modular Reactor (SMR) fleet.
Principal Engineer - Retail Systems Lululemon Athletica IncPrincipal Engineer - Retail SystemsWashington, WA$205,000–$257,000 / yearIdentify and mitigate systemic technical risks, reliability gaps, integration complexity, platform constraints, AI governance needs, and technical debt that could impact store operations, guest experience, or enterprise scale.qualificationsBachelor's degree in Computer Science, Information Systems, Information Technology, or equivalent experience; Master's degree preferred.11+ years of progressive software engineering experience, with demonstrated expertise in large-scale system design, technical architecture, and cross-functional leadership across multiple technology domains. You will influence across multiple teams without relying on formal authority, building consensus around technical direction, surfacing trade-offs, and acting as a thought partner to technology leadership on how AI, engineering practices, and platform strategy can drive meaningful retail business outcomes.select responsibilities include:Define the technical vision, system design, and implementation approach for major retail systems initiatives that support global store, guest, educator, and omni-channel experiences.
Senior Principal Architect - Application Platforms JPMorgan Chase & CoSenior Principal Architect - Application PlatformsMcLean, VADeep enterprise expertise across Application & Collaboration Platforms Architecture areas including collaboration and communication ecosystems, document/content lifecycle management, multimedia toolchains, secure-by-design governance and compliance, integration/interoperability patterns, reliability and lifecycle operations, portfolio rationalization, financial/TCO decisioning, and executive-level change leadership. Leads reuse-first adoption of enterprise-authorized AI capabilities within the work environment to accelerate architecture analysis, option evaluation, and delivery of strategic global solutions, with human-in-the-loop validation and appropriate handling of sensitive data.
Principal Cyber Mobile CNO Engineer Nightwing Intelligence SolutionsPrincipal Cyber Mobile CNO EngineerSterling, VirginiaThe team comprises engineers of multiple disciplines including vulnerability research, reverse engineering, CNO/CNE development, hardware emulation, system engineering, and data analytics. Cyber Offense and Defense Experts (CODEX) is seeking a cyber engineer to join our team to solve real-time cyber challenges, working on site with our end users in their spaces.
Senior Principal FPGA & Digital Signals Processing Engineer Research InnovationsSenior Principal FPGA & Digital Signals Processing EngineerAlexandria, VAAs the Principal FPGA & DSP Engineer, you will serve as the technical leader responsible for designing and delivering the next generation of real-time FPGA-based signal processing capabilities that enable rapid spectrum awareness, signal exploitation, and electronic warfare operations. Working closely with hardware, software, AI, and RF engineering teams, you will architect high-performance firmware solutions that transform advanced algorithms into deployable capabilities supporting the Department of Defense, Intelligence Community, and allied mission partners.
Principal Engineer - Mechanical Bechtel CorpPrincipal Engineer - MechanicalReston, VA$159,700–$231,000 / yearExtraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Experience with sizing and specification of mechanical power plant equipment including cooling towers, condensate and feedwater pumps, steam surface condensers, plate and frame heat exchangers, air compressors, auxiliary boilers, etc.
Principal Specialist Sales Engineer, Zero Trust Branch - Majors, East Zscaler IncPrincipal Specialist Sales Engineer, Zero Trust Branch - Majors, EastWashington, DCRemote$175,875–$251,250 / yearThe Speciality Sales team is a global group of professionals who are passionate about delighting our customers, nurturing trusted partnerships, and sharing their expertise to drive a secure, cloud-enabled digital future and further cement our position as the world leader in cloud security. Sales, Customer Success, Sales Enablement, Solution Architects, Business Development, Transformation, and Technology Partnerships all work together to demonstrate the power and agility of Zscaler cloud transformation to the world, and we are looking for your expertise to elevate our Exposure Management team.
Principal Solutions Architect CIS Secure Computing, Inc.Principal Solutions ArchitectAshburn, VAOur products and solutions include secure telephones and computers, encrypted tactical communications systems, secure tele- and video-conferencing systems, and specialized systems designed for use within secure networks and challenging operational environments. Serving as a primary technical interface with customers, this individual will translate complex mission, technical, and functional requirements into compliant, functional architectures and help guide solutions from initial concept and customer presentation through design, prototyping, development, and delivery.
Senior Principal Electro-Optics Engineer General Dynamics Mission Systems, IncSenior Principal Electro-Optics EngineerAnnapolis Junction, MD$191,246–$206,000 / yearAs a Senior Principal Electro-Optics Engineer, you will be a leader on the GDMS Free Space Optical (FSO) communications team, and own the architecture, engineering practices, and technical direction for our hardware, helping mature our work from prototype to product. Bachelor's degree in Electrical Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 10 years of relevant experience; or Master's degree plus a minimum of 8 years of relevant experience.
Principal Specialist Sales Engineer, Data Security - Majors, East Zscaler IncPrincipal Specialist Sales Engineer, Data Security - Majors, EastWashington, DC$175,875–$251,250 / yearZscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training.
NewPrincipal Software Developer Bigbear.aiPrincipal Software DeveloperWashington, Washington, DCFull timeWhat you will do: Innovate and Build: Dive into hands-on development on a large-scale codebase, tackling tasks such as processing large datasets within the JavaFX framework, optimizing storage solutions, and integrating external APIs to deliver new features. At BigBear.ai , we empower organizations to make sense of their data through cutting-edge technology, transforming massive volumes of structured and unstructured data into actionable insights every single day.
Principal Software Engineer Bigbear.aiPrincipal Software EngineerColumbia, MarylandFull timeEngineer will work closely with mission stakeholders to analyze software requirements, design innovative technical solutions, develop software applications, and implement high-performance capabilities supporting advanced mission objectives. About BigBear.ai: BigBear.ai is a leading provider of AI-powered decision intelligence solutions for national security, supply chain management, and digital identity.
NewArchaeologist Principal Investigator /Project Manager- Pacific Northwest True EnvironmentalArchaeologist Principal Investigator /Project Manager- Pacific NorthwestWashington, WashingtonThis position is responsible for developing work, leading and conducting all phases of cultural resource investigations under Section 106 and 110 of the National Historic Preservation Act (NHPA) and other environmental planning projects, including but not limited to consultation, preparing data recovery and monitoring plans, lead field coordination and interpretation of state and federal laws and report writing. Lead/Principal investigator for cultural resources projects include performing research, archaeological fieldwork surveys, monitoring, testing, and data recovery projects, historical research, preservation activities, report preparation, site forms and curation of archaeological artifacts.
Principal Architect - IT Operations Domain JPMorgan Chase & CoPrincipal Architect - IT Operations DomainMcLean, VALeads reuse-first adoption of enterprise-authorized AI capabilities within the work environment to accelerate architecture analysis, option evaluation, and delivery of strategic global solutions, with human-in-the-loop validation and appropriate handling of sensitive data. Translates highly complex technical issues, trends, and approaches to leadership to drive the firm's innovation and enable leaders to make strategic, well-informed decisions about target state architecture.
Digital Twin Principal Scientist (f/m/d) Focused Energy GmbHDigital Twin Principal Scientist (f/m/d)Washington, DCYou will lead a team of scientists who develop and own the simulation codes for each major subsystem - laser, target, fusion chamber, target injection and tracking, and target manufacturing - and drive the synthesis of those subsystem models into a comprehensive, self-consistent plant-level simulation framework. Focused Energy is advancing laser-driven inertial fusion energy (IFE) toward commercial power generation, and the credibility and velocity of that mission depend on our ability to model how the full IFE system behaves, where the physics risks lie, and what each subsystem must achieve for the plant to be economically viable.
Principal Engineering Advisor (Secret #26-113) Strategic Analysis, Inc.Principal Engineering Advisor (Secret #26-113)Arlington, VAThe ideal candidate combines broad technical fluency with the disciplined reasoning of a systems engineer or industrial engineer: someone who naturally decomposes complexity, evaluates assumptions, identifies dependencies and failure modes, compares alternatives, and brings structure to ambiguous technical decisions.2. Senior individual contributor who can provide high-value technical evaluation, strategic analysis, and decision support directly to the Office Director (OD), using a strong engineering mindset to assess complex technical concepts, portfolios, performers, and opportunities.3.
Principal Engineer - Plant Design Bechtel CorpPrincipal Engineer - Plant DesignReston, VAExtraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Required Knowledge and Skills: Ability to perform power plant and equipment layout considering requirements for access, operations, maintenance and safety, Ability to optimize pipe routing considering requirements for cost, access, operations, flexibility, and thermal stress.