Principal 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.
Senior Principal Cyber Mobile CNO Engineer Nightwing Intelligence SolutionsSenior Principal Cyber Mobile CNO EngineerSterling, Virginia$122,000–$253,000 / yearThe 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.
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.
NewProject Control Principal GrvtyProject Control PrincipalMcLean, VirginiaComplete understanding of financial analysis such as return on sales (ROS), return on cost (ROC), annual operating plans, accounts receivable, and revenue/profit forecasting. Pay Range: At GRVTY, we understand that compensation is influenced by many factors—such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications.
Senior Principal Cyber Software Engineer (iOS) Nightwing Intelligence SolutionsSenior Principal Cyber Software Engineer (iOS)Sterling, Virginia$122,000–$253,000 / yearThe 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.
Principal Cyber Engineer Nightwing Intelligence SolutionsPrincipal Cyber 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.
Sr. Principal Scientist (Sr. Director) - Regulatory Liaison Merck & Co IncSr. Principal Scientist (Sr. Director) - Regulatory LiaisonRockville, MD$190,800–$300,300 / yearRequired Skills: Biological Sciences, Clinical Reporting, Drug Development, Global Health, In Vitro Diagnostics (IVD), Multiple Therapeutic Areas, Pharmaceutical Regulatory Affairs, Process Improvements, Product Approvals, Regulatory Affairs Compliance, Regulatory Affairs Management, Regulatory Communications, Regulatory Compliance, Regulatory Issues, Regulatory Strategies, Regulatory Strategy Development, Written Communication. As the Global Regulatory Lead (GRL), the Senior Principal Scientist functions as the regulatory single, accountable, global point of contact on the project team and interacts with the global regulatory agencies and/or subsidiaries with regard to global regulatory strategy/registration requirements for one or more company investigational and marketed drugs/biologics in early- and/or late-stage development.
Principal Engineer - Electrical Bechtel CorpPrincipal Engineer - ElectricalReston, 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: Proven ability to perform electrical system calculations for cable sizing, ampacity, grounding, lighting, etc. for combined cycle power plants, Ability to perform short circuit and power system analyses, including transient stability analysis for a power project operating in island mode.
Principal Engineer w/Top Secret Clearance TekSynapPrincipal Engineer w/Top Secret ClearanceWashington, Washington, DC$160,000–$200,000 / yearFull timeKnowledge of operating systems, including Windows, Linux, Mac, and mobile operating systems including iOS and Android, application behaviors, and network traffic analysis to identify malware exploits. Additional Job Information: TekSynap is a fast growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment.
Senior Principal Architect - Data Domain JPMorgan Chase & CoSenior Principal Architect - Data DomainMcLean, VADeep expertise across Data Management Architecture areas, including expertise in database technologies (relational, NoSQL, graph, etc.), Extract, Transform, Load (ETL) tools and processes for managing data pipelines, data warehouses, data lakes, data analytics and data mining tools, and data governance. 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.
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.
NewPrincipal 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.
Principal Consultant Appian CorpPrincipal ConsultantMcLean, VA$100,000–$225,000 / yearKnowledge of software testing practices (test-driven development, automated test suites within a continuous integration framework); integrations experience using APIs such as REST and SOAP, JDBC connections, and web services; familiarity with Amazon Web Services (AWS), Artificial Intelligence (AI), Analytics, Machine Learning, Google Cloud, Application Integration, Database, Developer Tools, Management & Governance, and Elastic Containers is preferred. This includes working within an agile environment to understand our client's business processes and technical needs, launch new relational data models in production, developing APIs to integrate with multiple systems, partnering with Appian Architects and Technical Delivery Managers, and leading/mentoring consultants through fast-paced software implementations.
Principal Data Scientist - Gen AI Xometry IncPrincipal Data Scientist - Gen AINorth Bethesda, MD$200,000–$230,000 / yearIn this role, you will serve as a technical leader, owning a 12 month technical roadmap, driving large-scale cross-functional ML and AI initiatives, and setting the long-term scientific direction for AI-driven solutions that enhance Xometry''s service offerings. Generative AI Development: Develop and deploy generative AI models and large language models (LLMs) for multimodal document processing, focusing on extracting structured data from technical drawings, purchasing orders, and other complex documents.
Principal Cribl Engineer - Observability LiquidKineticsPrincipal Cribl Engineer - ObservabilityReston, VAThis senior role involves architecting scalable Cribl infrastructure, collaborating with cross-functional teams to enhance data visibility, and driving best practices in data management to support real-time analytics and monitoring. LiquidKinetics is seeking an experienced Principal Cribl Engineer specializing in Observability to lead the design, implementation, and optimization of data routing and processing solutions within our observability platforms.
Principal Network Engineer W/Top Secret Clearance TekSynapPrincipal Network Engineer W/Top Secret ClearanceFort Belvoir, Virginia$160,000–$250,000 / yearFull timeTechnology moving at the speed of thought” embodies these principles – the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers. Additional Job Information: TekSynap is a fast growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment.
Principal Cloud Engineer TekSynapPrincipal Cloud EngineerWashington, Washington, DC$160,000–$190,000 / yearFull timeAWS Focused: Configuration of AWS Accounts, IAM Users and Roles, VPCs, subnets, load balancers, Network routes, Transit Gateway, Control Tower, Systems Manager, Config Manager, stack sets, WAF, CloudFront, and Route53. Hands-on experience installing, configuring, upgrading, and administering Kion in AWS environments, including organizational units, account structures, projects, compliance scores, financial guardrails, and cloud provider integrations (AWS, Azure, OCI, and GCP).
Principal Cyber Mobile CNO Engineer Nightwing Intelligence SolutionsPrincipal Cyber Mobile CNO EngineerSterling, Virginia$99,000–$206,000 / yearThe 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.
Principal Process Engineer, Global Manufacturing Science and Technology, Cell Therapy Technical Operations AstraZeneca PlcPrincipal Process Engineer, Global Manufacturing Science and Technology, Cell Therapy Technical OperationsGaithersburg, MD$146,721.60–$220,082.40 / yearActivities include leading technology transfer for pivotal clinical manufacturing, process performance monitoring, defining process validation strategy, driving implementation of continuous process improvements, and authoring validation and regulatory deliverables to enable commercialization and lifecycle management across a global network of AstraZeneca's manufacturing sites. Represent Manufacturing Operations on product CMC teams, and ensure high-quality and timely program deliverables (clinical & commercial supply, site approvals).
Senior/Principal Airframe Stress Engineer Electra Aero IncSenior/Principal Airframe Stress EngineerManassas, VA$130,000–$180,000 / yearOur technology enables aircraft to take off and land in soccer field-sized spaces, unlocking thousands of new operating locations and enabling what we call Direct Aviation: quiet, efficient, point-to-point travel closer to where people live and work. You will work closely with design engineering, loads, materials & processes, manufacturing, structural test, suppliers, and certification teams to develop robust airframe structures that meet performance, safety, and FAA certification requirements.