Principal Data Protection & Security Architect PeopleNTech LLCPrincipal Data Protection & Security ArchitectAlexandria, VA$70–$75 / hourDefine and implement data security controls including encryption, tokenization, obfuscation, data masking, row-level security, attribute/column-level security, access governance, and data loss prevention (DLP) capabilities. Deep hands-on expertise in Databricks security architecture , including Unity Catalog, RBAC/ABAC, data masking, row-level security, secure data sharing, lineage, and governance capabilities.
Principal Clinical Research Associate VB Spine LLCPrincipal Clinical Research AssociateLeesburg, VARemote$160,000–$170,000 / yearAs a Principal Clinical Research Associate in our Clinical Affairs function within the Spine division, you'll serve as the primary point of contact with clinical sites, monitor assigned clinical trials to ensure data integrity and regulatory compliance, and provide leadership to other CRAs to drive efficient, high-quality study delivery. At VB Spine, join a high-performing Clinical Affairs team where your expertise in clinical monitoring will help ensure the integrity and success of clinical studies that support innovative spinal technologies and improve patient lives.
NewPrincipal Solutions Architect Expel IncPrincipal Solutions ArchitectVARemote$186,000–$195,000 / yearYou''ll lead technical discovery, demonstrate Expel''s service, design and drive Proofs of Value (POVs), work through technical objections, and create the bridge between Sales and Delivery so customers aren''t starting over once the deal is signed. Meaningful experience leading complex Enterprise POVs, including technical discovery, defining success criteria, coordinating execution, managing objections, troubleshooting issues, and connecting technical outcomes back to customer goals.
Principal Automation Engineer AstraZeneca PlcPrincipal Automation EngineerFrederick, MD$138,771–$208,156 / yearThis individual will provide strategic and hands-on leadership across automation platforms, ensuring systems meet regulatory expectations (FDA, EMA), and support validated processes, and align with business and operational objectives. The individual will partner with site engineering teams and customers to provide consultation and technical problem solving related to complex process controls including both Emerson DeltaV and Rockwell systems.
NewPrincipal Security Design Engineer Iridium Communications IncPrincipal Security Design EngineerMcLean, VAYou will work as a principal‑level technical peer to engineering, influence early design decisions, drive red‑team style assessments, and serve as a tier‑2 subject‑matter expert in select partner and customer conversations. Analyze our AWS-based cloud infrastructure, APIs, and supporting services to identify realistic attack paths and translate findings into clear defensive priorities.
NewPrincipal AI Specialist Bechtel CorpPrincipal AI SpecialistReston, 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. Project Overview: Bechtel Manufacturing and Technology (M&T) is an exciting and growing business that serves the increasing demand of EPC services for customers in the semiconductor (manufacturing facilities and supply chain); data center, electric vehicle (batteries, charging infrastructure, and production); and life sciences markets.
Principal Software Reverse Engineer STRPrincipal Software Reverse EngineerArlington, VA$204,000–$284,000 / yearReverse engineering complex software or firmware targets, ranging from typical Windows/Linux binaries to embedded firmware running non-traditional computer architectures and operating systems. Offers are based on factors, such as but not limited to, the candidate's experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.
Principal Algorithm & Signal Processing Engineer STRPrincipal Algorithm & Signal Processing EngineerArlington, VA$206,000–$284,000 / yearOur engineers are empowered to pursue innovative technical ideas, engage directly with customers, lead multidisciplinary teams, and transform advanced research into prototype capabilities that address the nation's most challenging RF sensing and electronic warfare problems. We investigate cutting-edge technologies and collaborate with engineers across STR, academic researchers, and industry partners to develop practical solutions to RF sensing and counter-sensing challenges.
Principal Model-Based Systems Engineer STRPrincipal Model-Based Systems EngineerArlington, VA$206,000–$284,000 / yearThe ideal candidate will be well-versed in Systems Engineering techniques, Modeling and Simulation, Digital Engineering/MBSE and be excited about opportunities to mentor more junior staff and help foster growth of subject matter expertise across the organization. In addition to modeling in SysML, the Systems Engineer will be responsible for implementing and guiding teams in the customization and automation techniques offered by Cameo to enable multi-disciplinary programs to comply with DoD Digital Engineering goals.
Principal Technical Staff (CLEARANCE REQUIRED) STRPrincipal Technical Staff (CLEARANCE REQUIRED)Washington, DC$220,000–$260,000 / yearThe Signals Exploitation and Tracking (SET) Group in the Analytics and C2 Division focuses on applying machine learning, statistics, estimation theory, and information theory algorithms for signals exploitation, target tracking, predictive analytics, and system resource management. This position requires leading continued development of relevant technology products, as well as leading a portfolio of research and development programs, specifically focused on delivering advanced algorithm and software solutions for the Intelligence Community and Department of Defense.
Principal Defense Systems Analyst STRPrincipal Defense Systems AnalystWashington, DC$220,000–$260,000 / yearWe focus on the capability and limitations of ground, air, and space sensing and counter-sensing platforms (both crewed and uncrewed) and the resource management of these assets in the service of the survivability and capability of US air and space assets (e.g., the F-35 Joint Simulation Environment) using the methods of operational and systems analysis. You will lead and advise fellow researchers, scientists, and engineers on multi-disciplinary teams spread across multiple STR campuses to understand customer objectives, craft strategic plans, lead proposal efforts, and develop innovative solutions to complex and challenging national security problems.
Principal Product Lead (TL2) STRPrincipal Product Lead (TL2)Arlington, VA$206,000–$275,000 / yearAs a Principal Product Lead in the SET group, you will work with SET leadership to craft, drive, and execute a product development and marketing strategy that will integrate, test, and demonstrate SET capabilities to achieve (1) more efficient re-use on new B2G (Business-to-Government) Research and Development opportunities, (2) integrated system offerings for B2G system acquisition opportunities, and (3) component and sub-system offerings for B2B (Business-to-Business) supply chain opportunities. The Signals Exploitation and Tracking (SET) Group in the Analytics and C2 Division focuses on applying machine learning, statistics, estimation theory, and information theory algorithms for signals exploitation, target tracking, predictive analytics, and system resource management.
NewPrincipal Product Manager - Threat Detection Engine and Content (Hybrid) CrowdStrikePrincipal Product Manager - Threat Detection Engine and Content (Hybrid)Arlington, VA$160,000–$250,000 / yearCollaborate closely with CrowdStrike’s Malware Research Center, Data Science, and Engineering teams to understand threat and attack trends and proactively deliver cutting-edge defenses. We base all employment decisions--including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay-offs, return from lay-off, terminations and social/recreational programs--on valid job requirements.
Principal Product Manager – Rail Operations & Service Recovery SOMERSET STAFFINGPrincipal Product Manager – Rail Operations & Service RecoveryWashington, DCServing as the vital bridge between rail operations, executive leadership, technology partners, and Agile delivery teams, you will drive product strategy, roadmap prioritization, and value realization to maximize operational resilience, service reliability, and passenger experience across complex, multi-system operational environments. Required Qualifications & Experience Experience Level: 10+ years of progressive product management experience leading complex, mission-critical enterprise solutions (transportation, logistics, or operational platforms strongly preferred).
NewPrincipal Engineer Alpha CorporationPrincipal EngineerDulles, VA$140,000–$180,000 / yearAlpha Corporation established in 1979, is a full-service woman-owned firm, providing civil, and structural engineering, program and construction management, project controls, and technology services for various building types, transportation, and heavy infrastructure projects. The Project Manager/Principal Engineer will lead the architectural and engineering team in developing complete construction documents for the removal and replacement of underground and aboveground storage tanks at three local transportation facilities.
Principal Cyber Security Engineer ManTechPrincipal Cyber Security EngineerChantilly, VAThe Principal Cyber Security Engineer will leverage their strong technical background and knowledge to support the Sponsor’s system accreditation efforts, to include creating Body of Evidence (BOE) documentation, responding to/implementing/documenting required controls, and completing required tasks/actions. + Deploying solutions to proactively mitigate cyber threats to customer networks while collaborating with cross-functional teams to ensure security and performance requirements.
Senior Principal Cyber Security Engineer ManTechSenior Principal Cyber Security EngineerChantilly, VAThis role ensures performance, integrity, and protection across enterprise platforms while you serve as a senior technical leader and mentor, guiding strategic improvements and staying on the forefront of evolving cybersecurity technologies. + Experience inventorying complex networks and managing network documentation such as security compliance, configuration management, and patching.
NewPrincipal Partner Account Manager - MSPs Workday IncPrincipal Partner Account Manager - MSPsReston, VA$159,000–$238,500 / yearWorking in concert with the Partner Sales, Partner Success, Sales and Services leadership teams, you will drive practice growth, solution identification, AI innovation, and go-to-market plans within North America, aligned to the Workday Sales and Services organizations. 8+ years of experience in Partner Management, Partner Development, Alliance Management, Channel Management, or a related field within a SaaS, Cloud or AI company with specific experience managing Enterprise MSP such as Wipro, Infosys, DXC and TCS.
Principal Technical Product Manager (R5249) Shield AI IncPrincipal Technical Product Manager (R5249)Washington, DC$220,000–$330,000 / yearHivemind consists of four products: EdgeOS (C++ based high-performance middleware for autonomy development), Pilot (autonomy for the edge built atop EdgeOS; a models-based, modular and open architecture C++ codebase), Forge (Shield AI's AI Factory for the design, development, and testing of Hivemind Edge systems; a service-oriented architecture leveraged through an SDK, CLI, and web portal; a Go, Python, Typescript codebase), Commander (Software and hardware to support rich human-in-the-loop and human-on-the-loop interactions with the Hivemind; a C++-based back-end for interaction with Pilot; and a web-application UI for mission planning, command and control by operators implemented in a Typescript/React codebase). What you'll do: Own product definition, roadmap, and metrics across the office of the CTO's agentic AI portfolio: an enterprise knowledge assistant (Brain), an agent-driven engineering platform (Springboard), and enterprise AI/data modernization and app development.
Sr. Principal, Business Development & Head of Air Force Strategy DivergentSr. Principal, Business Development & Head of Air Force StrategyWashington, DC$179,610–$285,200 / yearThe Senior Principal serves as a senior advisor to executive leadership on Air Force market strategy and is responsible for shaping long-term customer engagement, strategic partnerships, and business growth within one of the company's highest-priority defense markets. Develop, own, and continuously evolve Divergent's long-term Air Force strategy by identifying emerging mission needs, acquisition pathways, funding opportunities, executive stakeholders, and strategic partnerships that position the company for sustained growth.