NewUC Consulting Engineer - Principal Amentum Services IncUC Consulting Engineer - PrincipalArlington, VA$260,000–$290,000 / yearIn support of a challenging, critical, and rewarding program that provides integrated voice, video, and data services throughout the Information Technology lifecycle, Amentum is seeking a UC Consulting Engineer - Principal to join our dynamic team of IT professionals dedicated to fostering a positive and collaborative work environment. Essential Responsibilities: The duties and responsibilities of the UC Consulting Engineer - Principal include, but are not limited to the following: Serve as the subject-matter expert in Unified Communications (UC) and collaboration technologies, specializing in platforms such as Cisco Unified Communications Manager (CUCM), Cisco Unity Connection, and Cisco Webex.
Principal Product Manager CventPrincipal Product ManagerTysons Corner, VirginiaFull timeFounded in 1999, Cvent delivers a comprehensive event marketing and management platform for marketers and event professionals and offers software solutions to hotels, special event venues and destinations to help them grow their group/MICE and corporate travel business. This is not a people-management role; it’s a high-impact thought-leadership and execution role for a seasoned product leader who thrives in uncharted territory and reliably drives company-defining initiatives from discovery through measurable impact.
Principal/Lead Nuclear Engineer Mpr Associates, Inc.Principal/Lead Nuclear EngineerAlexandria, VirginiaFull timeOversee MPR engineers performing neutronics simulations and core design: criticality safety evaluations, critical core configurations, fuel cycle management, activation calculations, radiation detection and shielding analyses: alarm setpoint determination, shielding optimization, ALARA implementation, dosimetry calculations. The role requires deep expertise in or an ability to quickly master several nuclear engineering related topics, including neutronics, thermal hydraulics, shielding, fuel and nuclear materials, and radiological consequence evaluation combined with strong communication skills, adherence to best practices, and an eye for growing MPR's portfolio.
Principal Business Analyst - (Functional - Oracle E‑Business Suite - EBS) CventPrincipal Business Analyst - (Functional - Oracle E‑Business Suite - EBS)Tysons Corner, VirginiaFull timeFounded in 1999, Cvent delivers a comprehensive event marketing and management platform for marketers and event professionals and offers software solutions to hotels, special event venues and destinations to help them grow their group/MICE and corporate travel business. Experience in configuring Oracle Modules - General Ledger, Payables/Payments, Receivables, Fixed Assets, Cash Management, Revenue Management, Sub Ledger Accounting and EBTax.
Principal Marketing Analyst Roth Staffing CompaniesPrincipal Marketing AnalystBethesda, Maryland$69.71–$91.34 / hourThe role proactively mobilizes and aligns the right analytical resources (e.g., measurement, experimentation, and reporting/BI partners) to solve business problems and to support planning, launch, and post-launch readouts with timely, decision-ready insights. In a Go-to-Market (GTM) support capacity, this role serves as the primary embedded analytics partner for a designated line of business, translating business objectives into clear analytical questions, success metrics, and measurement plans.
Principal Transportation Planner ICFPrincipal Transportation PlannerArlington, VirginiaPay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. We specialize in developing multimodal transportation plans; conducting needs assessments; analyzing transportation system performance data; evaluating the impacts of infrastructure projects, programs, and government policies; developing technical assistance resources; and documenting best practices related to integrated planning, transportation operations, and the environment.
Design Principal Little CareersDesign PrincipalMc Lean, VirginiaPartnering with a transdisciplinary team, you’ll listen intently, ask insightful questions, surface and frame the real challenges, generate and test ideas, and guide teams toward solutions that measurably advance your clients’ strategic and operational goals. A renowned design firm seeking a Design Principal who will continually elevate the quality of our work in the DC (Tysons Corner) office through positive leadership, a collaborative work style, and deep design expertise.
Principal Computational Engineer, 3D CAD & Geometric Intelligence XometryPrincipal Computational Engineer, 3D CAD & Geometric IntelligenceNorth Bethesda, MDDFM & Sub-Process Intelligence: Drive the methodology for combining classical computational geometry (B-Rep traversal, parametric surface analysis, medial axis, geodesic distance, curvature analysis) with modern learning-based approaches (graph neural networks on B-Reps, point-cloud and voxel encoders, differentiable geometry, neural implicit representations) to detect manufacturability risk across 12+ CNC sub-processes and the broader process catalog. AI/ML Fluency: Familiarity with ML/AI methods relevant to geometry — graph neural networks on B-Reps (BRepGAT, BRepFormer, AAGNet, UV-Net), point-cloud / voxel / SDF encoders, neural implicit representations, NURBS-aware learning — and clear judgment about when classical methods beat learned ones.
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 Software Engineer XometryPrincipal Software EngineerNorth Bethesda, MDYou will bring deep expertise and technical leadership to help us build fast, reliable, and intuitive solutions that empower our partners – enabling them to more easily manage jobs, streamline operations, and maximize their growth potential within our manufacturing marketplace. Xometry's digital marketplace gives manufacturers the critical resources they need to grow their business while also making it easy for buyers at Fortune 1000 companies to tap into global manufacturing capacity.
Senior Principal, ML/AI XometrySenior Principal, ML/AINorth Bethesda, MDPlay a leadership role in identifying areas of opportunity — e.g., using ML/AI to unlock new revenue streams (e.g., rapid quoting for new manufacturing modalities, generative design for customers), reduce cost (e.g., automated quality inspection), or optimize efficiency (e.g., 3D-geometry classification, defect detection, generating manufacturing ready models). Stay ahead of industry developments in ML, AI, generative AI, 2D/3D modeling and manufacturing tech; translate insights into the improvement of internal best practices, tooling, frameworks, model governance, data pipelines, and operationalization.
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 Data Scientist - Gen AI XometryPrincipal Data Scientist - Gen AINorth Bethesda, MDIn 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.
Workday Specialist/Principal/Architect Maryland Environmental ServiceWorkday Specialist/Principal/ArchitectMillersville, MarylandAdditional responsibilities include leading Workday implementation and maintenance across multiple modules including Security, Human Capital Management (HCM), Financial, Spend (Procurement), Talent, Payroll and Workforce Management. Current MES Employees who are interested in applying for this position must visit the Internal MES Careers Page by going to their Workday Dashboard, clicking on the Career icon and selecting Find Jobs.
Principal Value Advisor, Value Management Office AtlassianPrincipal Value Advisor, Value Management OfficeWashington DC, Washington, DC$228,000–$297,667 / yearExtensive experience in value management and proven track record of leading complex, cross-functional engagements across a broad range of customer industries. Responsibilities: The Value Management Office exists to infuse all interactions and engagements towards the fulfillment of the customers’ strategic business needs with joint ownership of their long term success .
NewPrincipal Space Systems Research and Development Engineer BlackSkyPrincipal Space Systems Research and Development EngineerHerndon, VA$180,000–$215,000 / yearAs a principal engineer in the Space Systems R&D group, you will lead the technical development of a portfolio of innovative satellite-related technologies to deliver validated, high-impact prototypes that are ready for integration into BlackSky’s operational capabilities. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.
Principal, AI Solutions Fannie MaePrincipal, AI SolutionsReston, VirginiaArtificial Intelligence Ethics, Cloud Platform, Data Science, Innovation, Leadership, Machine Learning (ML), Project Management, Software Development, Team Management, Technical Architecture Education: Bachelor's Level Degree (Required) The future is what you make it to be. You will support enterprise AI productivity tooling strategy and enablement, and co‑built priority use cases, working with multidisciplinary team of AI solution leads, engineers, and domain specialists.
Principal Systems Engineer Power3 SolutionsPrincipal Systems EngineerLaurel, MarylandThe Level 3 System Engineer (SE) shall possess the following capabilities: Manage system requirements and derived requirements to ensure the delivery of production systems that are compatible with the defined system architecture(s) ± Department of Defense Architecture Framework (DoDAF), Service-oriented Architecture (SOA), etc. Establish a process to formally and proactively control and manage changes to requirements, consider impacts prior to commitment to change, gain stakeholder buy-in, eliminate ambiguity, ensure traceability to source requirements, and track and settle open actions.
Senior Principal Product Manager, Atlassian Government Cloud AtlassianSenior Principal Product Manager, Atlassian Government CloudWashington DC, Washington, DC$228,600–$298,450 / yearAs the Senior Principal Product Manager for Atlassian Government Cloud — Restricted Environments , you will own the product vision, strategy, and delivery of Atlassian’s forthcoming cloud offerings built to support the mission needs of the U.S. Intelligence Community, Department of Defense, and their mission partners. You will also play an important role across the broader Atlassian Government Cloud organization by sharing domain expertise, mentoring other product managers, and helping raise the team’s collective capability in regulated and restricted cloud delivery.
Principal Scientist Galois, Inc.Principal ScientistArlington, VAWith clients including NASA, DARPA, AWS, and the DoW, we leverage our cutting-edge research to deliver high assurance solutions and tools that enhance security, reliability, and operational efficiency across sectors including aerospace & defense, healthcare, semiconductors, and fintech. Who We Are: From building digital engineering tools that make space exploration safer to verifying cryptographic libraries that protect some of the world’s most valuable data, Galois develops technology to guarantee the trustworthiness of systems where failure is unacceptable.